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-rw-r--r--.gitattributes1
-rw-r--r--.github/workflows/main.yml8
-rw-r--r--.travis.yml2
-rw-r--r--CODE_OF_CONDUCT.md154
-rw-r--r--Documentation/Makefile1
-rw-r--r--Documentation/MyFirstContribution.txt2
-rw-r--r--Documentation/RelNotes/2.17.6.txt16
-rw-r--r--Documentation/RelNotes/2.18.5.txt6
-rw-r--r--Documentation/RelNotes/2.19.6.txt6
-rw-r--r--Documentation/RelNotes/2.20.5.txt6
-rw-r--r--Documentation/RelNotes/2.21.4.txt6
-rw-r--r--Documentation/RelNotes/2.22.5.txt7
-rw-r--r--Documentation/RelNotes/2.23.4.txt7
-rw-r--r--Documentation/RelNotes/2.24.4.txt7
-rw-r--r--Documentation/RelNotes/2.25.5.txt7
-rw-r--r--Documentation/RelNotes/2.26.3.txt7
-rw-r--r--Documentation/RelNotes/2.27.1.txt7
-rw-r--r--Documentation/RelNotes/2.28.1.txt7
-rw-r--r--Documentation/RelNotes/2.29.3.txt8
-rw-r--r--Documentation/RelNotes/2.30.0.txt22
-rw-r--r--Documentation/RelNotes/2.30.1.txt55
-rw-r--r--Documentation/RelNotes/2.30.2.txt8
-rw-r--r--Documentation/RelNotes/2.31.0.txt365
-rw-r--r--Documentation/SubmittingPatches2
-rw-r--r--Documentation/blame-options.txt2
-rw-r--r--Documentation/config.txt2
-rw-r--r--Documentation/config/core.txt2
-rw-r--r--Documentation/config/diff.txt2
-rw-r--r--Documentation/config/http.txt4
-rw-r--r--Documentation/config/init.txt2
-rw-r--r--Documentation/config/lsrefs.txt9
-rw-r--r--Documentation/config/maintenance.txt5
-rw-r--r--Documentation/config/pack.txt7
-rw-r--r--Documentation/config/rebase.txt3
-rw-r--r--Documentation/config/trace2.txt2
-rw-r--r--Documentation/date-formats.txt11
-rw-r--r--Documentation/diff-generate-patch.txt6
-rw-r--r--Documentation/diff-options.txt59
-rw-r--r--Documentation/fetch-options.txt4
-rw-r--r--Documentation/git-am.txt2
-rw-r--r--Documentation/git-blame.txt2
-rw-r--r--Documentation/git-branch.txt6
-rw-r--r--Documentation/git-check-mailmap.txt9
-rw-r--r--Documentation/git-clone.txt4
-rw-r--r--Documentation/git-config.txt16
-rw-r--r--Documentation/git-difftool.txt8
-rw-r--r--Documentation/git-for-each-ref.txt8
-rw-r--r--Documentation/git-fsck.txt8
-rw-r--r--Documentation/git-gc.txt14
-rw-r--r--Documentation/git-http-fetch.txt10
-rw-r--r--Documentation/git-index-pack.txt25
-rw-r--r--Documentation/git-log.txt46
-rw-r--r--Documentation/git-ls-files.txt13
-rw-r--r--Documentation/git-mailinfo.txt4
-rw-r--r--Documentation/git-maintenance.txt126
-rw-r--r--Documentation/git-mktag.txt39
-rw-r--r--Documentation/git-p4.txt2
-rw-r--r--Documentation/git-pack-objects.txt11
-rw-r--r--Documentation/git-range-diff.txt20
-rw-r--r--Documentation/git-repack.txt9
-rw-r--r--Documentation/git-rev-list.txt93
-rw-r--r--Documentation/git-rev-parse.txt74
-rw-r--r--Documentation/git-send-email.txt6
-rw-r--r--Documentation/git-shortlog.txt8
-rw-r--r--Documentation/git-show.txt7
-rw-r--r--Documentation/git-stash.txt8
-rw-r--r--Documentation/git-status.txt30
-rw-r--r--Documentation/git-tag.txt2
-rw-r--r--Documentation/git-update-index.txt5
-rw-r--r--Documentation/git-worktree.txt79
-rw-r--r--Documentation/git.txt28
-rw-r--r--Documentation/gitdiffcore.txt41
-rw-r--r--Documentation/githooks.txt2
-rw-r--r--Documentation/gitmailmap.txt123
-rw-r--r--Documentation/gitmodules.txt30
-rw-r--r--Documentation/i18n.txt2
-rw-r--r--Documentation/mailmap.txt75
-rw-r--r--Documentation/pretty-formats.txt34
-rw-r--r--Documentation/rev-list-options.txt14
-rw-r--r--Documentation/technical/chunk-format.txt116
-rw-r--r--Documentation/technical/commit-graph-format.txt31
-rw-r--r--Documentation/technical/commit-graph.txt77
-rw-r--r--Documentation/technical/hash-function-transition.txt293
-rw-r--r--Documentation/technical/index-format.txt46
-rw-r--r--Documentation/technical/pack-format.txt40
-rw-r--r--Documentation/technical/packfile-uri.txt7
-rw-r--r--Documentation/technical/protocol-v2.txt15
-rw-r--r--Documentation/technical/reftable.txt44
-rwxr-xr-xGIT-VERSION-GEN2
-rw-r--r--Makefile80
l---------RelNotes2
-rw-r--r--abspath.c64
-rw-r--r--bisect.c4
-rw-r--r--builtin/add.c18
-rw-r--r--builtin/am.c4
-rw-r--r--builtin/bisect--helper.c183
-rw-r--r--builtin/blame.c58
-rw-r--r--builtin/branch.c53
-rw-r--r--builtin/check-mailmap.c2
-rw-r--r--builtin/checkout-index.c35
-rw-r--r--builtin/checkout.c9
-rw-r--r--builtin/clone.c34
-rw-r--r--builtin/commit-graph.c6
-rw-r--r--builtin/commit.c2
-rw-r--r--builtin/describe.c2
-rw-r--r--builtin/diff-files.c8
-rw-r--r--builtin/diff-index.c4
-rw-r--r--builtin/diff-tree.c5
-rw-r--r--builtin/diff.c12
-rw-r--r--builtin/fast-export.c22
-rw-r--r--builtin/fetch-pack.c3
-rw-r--r--builtin/fetch.c242
-rw-r--r--builtin/for-each-ref.c2
-rw-r--r--builtin/for-each-repo.c7
-rw-r--r--builtin/fsck.c20
-rw-r--r--builtin/gc.c514
-rw-r--r--builtin/grep.c15
-rw-r--r--builtin/index-pack.c96
-rw-r--r--builtin/log.c67
-rw-r--r--builtin/ls-files.c81
-rw-r--r--builtin/ls-remote.c9
-rw-r--r--builtin/merge.c3
-rw-r--r--builtin/mktag.c235
-rw-r--r--builtin/name-rev.c12
-rw-r--r--builtin/notes.c20
-rw-r--r--builtin/pack-objects.c57
-rw-r--r--builtin/pack-redundant.c19
-rw-r--r--builtin/pull.c70
-rw-r--r--builtin/push.c2
-rw-r--r--builtin/range-diff.c30
-rw-r--r--builtin/rebase.c24
-rw-r--r--builtin/receive-pack.c6
-rw-r--r--builtin/reflog.c3
-rw-r--r--builtin/repack.c9
-rw-r--r--builtin/rev-list.c46
-rw-r--r--builtin/rev-parse.c106
-rw-r--r--builtin/shortlog.c26
-rw-r--r--builtin/show-ref.c2
-rw-r--r--builtin/sparse-checkout.c5
-rw-r--r--builtin/stash.c169
-rw-r--r--builtin/submodule--helper.c26
-rw-r--r--builtin/tag.c64
-rw-r--r--builtin/worktree.c112
-rw-r--r--bundle.c109
-rw-r--r--cache-tree.c64
-rw-r--r--cache-tree.h2
-rw-r--r--cache.h5
-rw-r--r--chunk-format.c179
-rw-r--r--chunk-format.h68
-rwxr-xr-xci/install-dependencies.sh10
-rwxr-xr-xci/lib.sh3
-rwxr-xr-xci/run-build-and-tests.sh3
-rw-r--r--command-list.txt1
-rw-r--r--commit-graph.c644
-rw-r--r--commit-graph.h15
-rw-r--r--commit-reach.c224
-rw-r--r--commit-reach.h2
-rw-r--r--commit.c129
-rw-r--r--commit.h29
-rw-r--r--compat/mingw.c2
-rw-r--r--compat/mingw.h1
-rw-r--r--compat/open.c25
-rw-r--r--compat/precompose_utf8.c52
-rw-r--r--compat/precompose_utf8.h2
-rw-r--r--config.c240
-rw-r--r--config.h1
-rw-r--r--config.mak.uname4
-rw-r--r--configure.ac51
-rw-r--r--connect.c34
-rw-r--r--contrib/buildsystems/CMakeLists.txt4
-rw-r--r--contrib/completion/git-completion.bash56
-rw-r--r--diff-merges.c146
-rw-r--r--diff-merges.h24
-rw-r--r--diff.c56
-rw-r--r--diff.h37
-rw-r--r--diffcore-rename.c464
-rw-r--r--diffcore-rotate.c46
-rw-r--r--diffcore.h1
-rw-r--r--dir.c24
-rw-r--r--dir.h2
-rw-r--r--entry.c8
-rw-r--r--environment.c8
-rw-r--r--environment.h12
-rw-r--r--ewah/bitmap.c54
-rw-r--r--ewah/ewah_bitmap.c15
-rw-r--r--ewah/ewok.h3
-rw-r--r--fetch-pack.c123
-rw-r--r--fmt-merge-msg.c32
-rw-r--r--fsck.c70
-rw-r--r--fsck.h18
-rw-r--r--fsmonitor.c134
-rw-r--r--fsmonitor.h5
-rw-r--r--gettext.c104
-rw-r--r--gettext.h7
-rwxr-xr-xgit-bisect.sh58
-rw-r--r--git-compat-util.h22
-rw-r--r--git-gui/po/ru.po2
-rw-r--r--git-mergetool--lib.sh6
-rwxr-xr-xgit-p4.py2
-rw-r--r--git-sh-i18n.sh22
-rw-r--r--git.c5
-rw-r--r--gpg-interface.c15
-rw-r--r--gpg-interface.h9
-rw-r--r--grep.c236
-rw-r--r--grep.h19
-rw-r--r--hash-lookup.c (renamed from sha1-lookup.c)30
-rw-r--r--hash-lookup.h (renamed from sha1-lookup.h)22
-rw-r--r--http-fetch.c20
-rw-r--r--http.c15
-rw-r--r--http.h10
-rw-r--r--list-objects-filter.c2
-rw-r--r--log-tree.c63
-rw-r--r--ls-refs.c82
-rw-r--r--ls-refs.h1
-rw-r--r--mailmap.c49
-rw-r--r--mailmap.h2
-rw-r--r--merge-ort.c3507
-rw-r--r--merge-ort.h19
-rw-r--r--merge-recursive.c11
-rw-r--r--mergetools/vimdiff13
-rw-r--r--midx.c437
-rw-r--r--name-hash.c3
-rw-r--r--object-file.c (renamed from sha1-file.c)10
-rw-r--r--object-name.c (renamed from sha1-name.c)16
-rw-r--r--object-store.h3
-rw-r--r--object.c10
-rw-r--r--oid-array.c10
-rw-r--r--pack-bitmap-write.c474
-rw-r--r--pack-bitmap.c264
-rw-r--r--pack-bitmap.h10
-rw-r--r--pack-revindex.c188
-rw-r--r--pack-revindex.h72
-rw-r--r--pack-write.c144
-rw-r--r--pack.h10
-rw-r--r--packfile.c91
-rw-r--r--packfile.h1
-rw-r--r--pager.c18
-rw-r--r--parse-options.c2
-rw-r--r--parse-options.h6
-rw-r--r--patch-ids.c16
-rw-r--r--patch-ids.h20
-rw-r--r--po/README22
-rw-r--r--po/TEAMS8
-rw-r--r--po/bg.po8582
-rw-r--r--po/ca.po7142
-rw-r--r--po/de.po9092
-rw-r--r--po/es.po10746
-rw-r--r--po/fr.po8631
-rw-r--r--po/git.pot8118
-rw-r--r--po/id.po24358
-rw-r--r--po/pl.po26403
-rw-r--r--po/pt_PT.po6128
-rw-r--r--po/ru.po13534
-rw-r--r--po/sv.po8751
-rw-r--r--po/tr.po8629
-rw-r--r--po/vi.po8947
-rw-r--r--po/zh_CN.po8387
-rw-r--r--po/zh_TW.po8873
-rw-r--r--preload-index.c10
-rw-r--r--pretty.c115
-rw-r--r--pretty.h12
-rw-r--r--quote.c15
-rw-r--r--quote.h18
-rw-r--r--range-diff.c130
-rw-r--r--range-diff.h23
-rw-r--r--read-cache.c38
-rw-r--r--ref-filter.c218
-rw-r--r--ref-filter.h13
-rw-r--r--refs.c194
-rw-r--r--refs.h27
-rw-r--r--refs/files-backend.c4
-rw-r--r--remote.c16
-rw-r--r--remote.h6
-rw-r--r--repository.c6
-rw-r--r--rerere.c77
-rw-r--r--revision.c90
-rw-r--r--revision.h9
-rw-r--r--run-command.c16
-rw-r--r--run-command.h9
-rw-r--r--sequencer.c16
-rw-r--r--serve.c2
-rw-r--r--shallow.c2
-rw-r--r--shortlog.h1
-rw-r--r--submodule.c8
-rw-r--r--symlinks.c24
-rw-r--r--t/.gitattributes4
-rw-r--r--t/README32
-rw-r--r--t/annotate-tests.sh16
-rw-r--r--t/helper/test-pcre2-config.c12
-rw-r--r--t/helper/test-read-graph.c4
-rw-r--r--t/helper/test-ref-store.c13
-rw-r--r--t/helper/test-tool.c1
-rw-r--r--t/helper/test-tool.h1
-rw-r--r--t/helper/test-trace2.c9
-rw-r--r--t/lib-bitmap.sh26
-rw-r--r--t/lib-bundle.sh42
-rw-r--r--t/lib-credential.sh2
-rw-r--r--t/lib-cvs.sh2
-rw-r--r--t/lib-diff.sh (renamed from t/diff-lib.sh)0
-rw-r--r--t/lib-diff/COPYING (renamed from t/diff-lib/COPYING)0
-rw-r--r--t/lib-diff/README (renamed from t/diff-lib/README)0
-rw-r--r--t/lib-gettext.sh2
-rw-r--r--t/lib-gitweb.sh (renamed from t/gitweb-lib.sh)0
-rw-r--r--t/lib-log-graph.sh4
-rw-r--r--t/lib-rebase.sh1
-rw-r--r--t/lib-submodule-update.sh16
-rw-r--r--t/oid-info/README2
-rw-r--r--t/perf/.gitignore1
-rw-r--r--t/perf/Makefile4
-rwxr-xr-xt/perf/p4205-log-pretty-formats.sh2
-rwxr-xr-xt/perf/p5303-many-packs.sh12
-rwxr-xr-xt/perf/p7519-fsmonitor.sh78
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-rwxr-xr-xt/t0002-gitfile.sh9
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-rwxr-xr-xt/t0008-ignores.sh2
-rwxr-xr-xt/t0012-help.sh2
-rwxr-xr-xt/t0017-env-helper.sh8
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-rwxr-xr-xt/t0050-filesystem.sh9
-rwxr-xr-xt/t0060-path-utils.sh4
-rwxr-xr-xt/t0068-for-each-repo.sh6
-rwxr-xr-xt/t0090-cache-tree.sh82
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-rwxr-xr-xt/t0300-credentials.sh8
-rwxr-xr-xt/t0500-progress-display.sh25
-rwxr-xr-xt/t1004-read-tree-m-u-wf.sh43
-rwxr-xr-xt/t1006-cat-file.sh2
-rwxr-xr-xt/t1008-read-tree-overlay.sh5
-rwxr-xr-xt/t1009-read-tree-new-index.sh7
-rwxr-xr-xt/t1011-read-tree-sparse-checkout.sh4
-rwxr-xr-xt/t1021-rerere-in-workdir.sh5
-rwxr-xr-xt/t1090-sparse-checkout-scope.sh13
-rwxr-xr-xt/t1091-sparse-checkout-builtin.sh5
-rwxr-xr-xt/t1092-sparse-checkout-compatibility.sh301
-rwxr-xr-xt/t1300-config.sh313
-rwxr-xr-xt/t1301-shared-repo.sh7
-rwxr-xr-xt/t1305-config-include.sh6
-rwxr-xr-xt/t1308-config-set.sh4
-rwxr-xr-xt/t1400-update-ref.sh84
-rwxr-xr-xt/t1402-check-ref-format.sh32
-rwxr-xr-xt/t1403-show-ref.sh21
-rwxr-xr-xt/t1404-update-ref-errors.sh2
-rwxr-xr-xt/t1405-main-ref-store.sh53
-rwxr-xr-xt/t1406-submodule-ref-store.sh41
-rwxr-xr-xt/t1407-worktree-ref-store.sh35
-rwxr-xr-xt/t1408-packed-refs.sh15
-rwxr-xr-xt/t1410-reflog.sh85
-rwxr-xr-xt/t1411-reflog-show.sh5
-rwxr-xr-xt/t1412-reflog-loop.sh7
-rwxr-xr-xt/t1413-reflog-detach.sh27
-rwxr-xr-xt/t1414-reflog-walk.sh15
-rwxr-xr-xt/t1416-ref-transaction-hooks.sh13
-rwxr-xr-xt/t1430-bad-ref-name.sh57
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-rwxr-xr-xt/t3005-ls-files-relative.sh4
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-rwxr-xr-xt/t3204-branch-name-interpretation.sh9
-rwxr-xr-xt/t3205-branch-color.sh12
-rwxr-xr-xt/t3206-range-diff.sh71
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-rwxr-xr-xt/t3210-pack-refs.sh7
-rwxr-xr-xt/t3211-peel-ref.sh7
-rwxr-xr-xt/t3300-funny-names.sh2
-rwxr-xr-xt/t3301-notes.sh12
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-rwxr-xr-xt/t3304-notes-mixed.sh11
-rwxr-xr-xt/t3308-notes-merge.sh2
-rwxr-xr-xt/t3320-notes-merge-worktrees.sh7
-rwxr-xr-xt/t3400-rebase.sh65
-rwxr-xr-xt/t3402-rebase-merge.sh47
-rwxr-xr-xt/t3403-rebase-skip.sh9
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-rwxr-xr-xt/t9001-send-email.sh31
-rwxr-xr-xt/t9003-help-autocorrect.sh7
-rwxr-xr-xt/t9100-git-svn-basic.sh5
-rwxr-xr-xt/t9145-git-svn-master-branch.sh9
-rwxr-xr-xt/t9151-svn-mergeinfo.sh46
-rwxr-xr-xt/t9155-git-svn-fetch-deleted-tag.sh5
-rwxr-xr-xt/t9156-git-svn-fetch-deleted-tag-2.sh9
-rwxr-xr-xt/t9163-git-svn-reset-clears-caches.sh5
-rwxr-xr-xt/t9169-git-svn-dcommit-crlf.sh5
-rwxr-xr-xt/t9300-fast-import.sh92
-rwxr-xr-xt/t9301-fast-import-notes.sh17
-rwxr-xr-xt/t9302-fast-import-unpack-limit.sh16
-rwxr-xr-xt/t9350-fast-export.sh89
-rwxr-xr-xt/t9351-fast-export-anonymize.sh7
-rwxr-xr-xt/t9400-git-cvsserver-server.sh35
-rwxr-xr-xt/t9401-git-cvsserver-crlf.sh19
-rwxr-xr-xt/t9402-git-cvsserver-refs.sh11
-rwxr-xr-xt/t9500-gitweb-standalone-no-errors.sh25
-rwxr-xr-xt/t9501-gitweb-standalone-http-status.sh19
-rwxr-xr-xt/t9502-gitweb-standalone-parse-output.sh21
-rwxr-xr-xt/t9600-cvsimport.sh5
-rwxr-xr-xt/t9601-cvsimport-vendor-branch.sh19
-rwxr-xr-xt/t9602-cvsimport-branches-tags.sh7
-rwxr-xr-xt/t9603-cvsimport-patchsets.sh11
-rwxr-xr-xt/t9800-git-p4-basic.sh5
-rwxr-xr-xt/t9801-git-p4-branch.sh19
-rwxr-xr-xt/t9806-git-p4-options.sh21
-rwxr-xr-xt/t9807-git-p4-submit.sh5
-rwxr-xr-xt/t9811-git-p4-label-import.sh5
-rwxr-xr-xt/t9902-completion.sh333
-rwxr-xr-xt/t9903-bash-prompt.sh117
-rw-r--r--t/test-lib-functions.sh188
-rw-r--r--t/test-lib.sh76
-rw-r--r--tag.c15
-rw-r--r--tmp-objdir.c6
-rw-r--r--trailer.c15
-rw-r--r--trailer.h2
-rw-r--r--transport-helper.c5
-rw-r--r--transport-internal.h10
-rw-r--r--transport.c23
-rw-r--r--transport.h29
-rw-r--r--tree-walk.c33
-rw-r--r--tree.c2
-rw-r--r--tree.h2
-rw-r--r--unpack-trees.c16
-rw-r--r--upload-pack.c13
-rw-r--r--usage.c11
-rw-r--r--worktree.c132
-rw-r--r--worktree.h23
-rw-r--r--wt-status.c8
-rw-r--r--wt-status.h2
819 files changed, 137432 insertions, 64361 deletions
diff --git a/.gitattributes b/.gitattributes
index b08a141..b0044cf 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6,6 +6,7 @@
*.pm eol=lf diff=perl
*.py eol=lf diff=python
*.bat eol=crlf
+CODE_OF_CONDUCT.md -whitespace
/Documentation/**/*.txt eol=lf
/command-list.txt eol=lf
/GIT-VERSION-GEN eol=lf
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index aef6643..5f2f884 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -123,6 +123,7 @@ jobs:
runs-on: windows-latest
needs: [windows-build]
strategy:
+ fail-fast: false
matrix:
nr: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
steps:
@@ -227,6 +228,7 @@ jobs:
runs-on: windows-latest
needs: [vs-build, windows-build]
strategy:
+ fail-fast: false
matrix:
nr: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
steps:
@@ -272,6 +274,7 @@ jobs:
needs: ci-config
if: needs.ci-config.outputs.enabled == 'yes'
strategy:
+ fail-fast: false
matrix:
vector:
- jobname: linux-clang
@@ -286,7 +289,7 @@ jobs:
- jobname: osx-gcc
cc: gcc
pool: macos-latest
- - jobname: GETTEXT_POISON
+ - jobname: linux-gcc-default
cc: gcc
pool: ubuntu-latest
env:
@@ -309,6 +312,7 @@ jobs:
needs: ci-config
if: needs.ci-config.outputs.enabled == 'yes'
strategy:
+ fail-fast: false
matrix:
vector:
- jobname: linux-musl
@@ -336,7 +340,7 @@ jobs:
if: needs.ci-config.outputs.enabled == 'yes'
env:
jobname: StaticAnalysis
- runs-on: ubuntu-latest
+ runs-on: ubuntu-18.04
steps:
- uses: actions/checkout@v1
- run: ci/install-dependencies.sh
diff --git a/.travis.yml b/.travis.yml
index 05f3e3f..908330a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ compiler:
matrix:
include:
- - env: jobname=GETTEXT_POISON
+ - env: jobname=linux-gcc-default
os: linux
compiler:
addons:
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index fc4645d..65651be 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -8,73 +8,64 @@ this code of conduct may be banned from the community.
## Our Pledge
-In the interest of fostering an open and welcoming environment, we as
-contributors and maintainers pledge to make participation in our project and
-our community a harassment-free experience for everyone, regardless of age,
-body size, disability, ethnicity, sex characteristics, gender identity and
-expression, level of experience, education, socio-economic status,
-nationality, personal appearance, race, religion, or sexual identity and
-orientation.
+We as members, contributors, and leaders pledge to make participation in our
+community a harassment-free experience for everyone, regardless of age, body
+size, visible or invisible disability, ethnicity, sex characteristics, gender
+identity and expression, level of experience, education, socio-economic status,
+nationality, personal appearance, race, religion, or sexual identity
+and orientation.
+
+We pledge to act and interact in ways that contribute to an open, welcoming,
+diverse, inclusive, and healthy community.
## Our Standards
-Examples of behavior that contributes to creating a positive environment
-include:
+Examples of behavior that contributes to a positive environment for our
+community include:
-* Using welcoming and inclusive language
-* Being respectful of differing viewpoints and experiences
-* Gracefully accepting constructive criticism
-* Focusing on what is best for the community
-* Showing empathy towards other community members
+* Demonstrating empathy and kindness toward other people
+* Being respectful of differing opinions, viewpoints, and experiences
+* Giving and gracefully accepting constructive feedback
+* Accepting responsibility and apologizing to those affected by our mistakes,
+ and learning from the experience
+* Focusing on what is best not just for us as individuals, but for the
+ overall community
-Examples of unacceptable behavior by participants include:
+Examples of unacceptable behavior include:
-* The use of sexualized language or imagery and unwelcome sexual attention or
- advances
-* Trolling, insulting/derogatory comments, and personal or political attacks
+* The use of sexualized language or imagery, and sexual attention or
+ advances of any kind
+* Trolling, insulting or derogatory comments, and personal or political attacks
* Public or private harassment
-* Publishing others' private information, such as a physical or electronic
- address, without explicit permission
+* Publishing others' private information, such as a physical or email
+ address, without their explicit permission
* Other conduct which could reasonably be considered inappropriate in a
professional setting
-## Our Responsibilities
+## Enforcement Responsibilities
-Project maintainers are responsible for clarifying the standards of acceptable
-behavior and are expected to take appropriate and fair corrective action in
-response to any instances of unacceptable behavior.
+Community leaders are responsible for clarifying and enforcing our standards of
+acceptable behavior and will take appropriate and fair corrective action in
+response to any behavior that they deem inappropriate, threatening, offensive,
+or harmful.
-Project maintainers have the right and responsibility to remove, edit, or
-reject comments, commits, code, wiki edits, issues, and other contributions
-that are not aligned to this Code of Conduct, or to ban temporarily or
-permanently any contributor for other behaviors that they deem inappropriate,
-threatening, offensive, or harmful.
+Community leaders have the right and responsibility to remove, edit, or reject
+comments, commits, code, wiki edits, issues, and other contributions that are
+not aligned to this Code of Conduct, and will communicate reasons for moderation
+decisions when appropriate.
## Scope
-This Code of Conduct applies within all project spaces, and it also applies
-when an individual is representing the project or its community in public
-spaces. Examples of representing a project or community include using an
-official project e-mail address, posting via an official social media account,
-or acting as an appointed representative at an online or offline event.
-Representation of a project may be further defined and clarified by project
-maintainers.
+This Code of Conduct applies within all community spaces, and also applies when
+an individual is officially representing the community in public spaces.
+Examples of representing our community include using an official e-mail address,
+posting via an official social media account, or acting as an appointed
+representative at an online or offline event.
## Enforcement
Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported by contacting the project team at git@sfconservancy.org. All
-complaints will be reviewed and investigated and will result in a response
-that is deemed necessary and appropriate to the circumstances. The project
-team is obligated to maintain confidentiality with regard to the reporter of
-an incident. Further details of specific enforcement policies may be posted
-separately.
-
-Project maintainers who do not follow or enforce the Code of Conduct in good
-faith may face temporary or permanent repercussions as determined by other
-members of the project's leadership.
-
-The project leadership team can be contacted by email as a whole at
+reported to the community leaders responsible for enforcement at
git@sfconservancy.org, or individually:
- Ævar Arnfjörð Bjarmason <avarab@gmail.com>
@@ -82,12 +73,73 @@ git@sfconservancy.org, or individually:
- Jeff King <peff@peff.net>
- Junio C Hamano <gitster@pobox.com>
+All complaints will be reviewed and investigated promptly and fairly.
+
+All community leaders are obligated to respect the privacy and security of the
+reporter of any incident.
+
+## Enforcement Guidelines
+
+Community leaders will follow these Community Impact Guidelines in determining
+the consequences for any action they deem in violation of this Code of Conduct:
+
+### 1. Correction
+
+**Community Impact**: Use of inappropriate language or other behavior deemed
+unprofessional or unwelcome in the community.
+
+**Consequence**: A private, written warning from community leaders, providing
+clarity around the nature of the violation and an explanation of why the
+behavior was inappropriate. A public apology may be requested.
+
+### 2. Warning
+
+**Community Impact**: A violation through a single incident or series
+of actions.
+
+**Consequence**: A warning with consequences for continued behavior. No
+interaction with the people involved, including unsolicited interaction with
+those enforcing the Code of Conduct, for a specified period of time. This
+includes avoiding interactions in community spaces as well as external channels
+like social media. Violating these terms may lead to a temporary or
+permanent ban.
+
+### 3. Temporary Ban
+
+**Community Impact**: A serious violation of community standards, including
+sustained inappropriate behavior.
+
+**Consequence**: A temporary ban from any sort of interaction or public
+communication with the community for a specified period of time. No public or
+private interaction with the people involved, including unsolicited interaction
+with those enforcing the Code of Conduct, is allowed during this period.
+Violating these terms may lead to a permanent ban.
+
+### 4. Permanent Ban
+
+**Community Impact**: Demonstrating a pattern of violation of community
+standards, including sustained inappropriate behavior, harassment of an
+individual, or aggression toward or disparagement of classes of individuals.
+
+**Consequence**: A permanent ban from any sort of public interaction within
+the community.
+
## Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage],
-version 1.4, available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+version 2.0, available at
+[https://www.contributor-covenant.org/version/2/0/code_of_conduct.html][v2.0].
+
+Community Impact Guidelines were inspired by
+[Mozilla's code of conduct enforcement ladder][Mozilla CoC].
+
+For answers to common questions about this code of conduct, see the FAQ at
+[https://www.contributor-covenant.org/faq][FAQ]. Translations are available
+at [https://www.contributor-covenant.org/translations][translations].
[homepage]: https://www.contributor-covenant.org
+[v2.0]: https://www.contributor-covenant.org/version/2/0/code_of_conduct.html
+[Mozilla CoC]: https://github.com/mozilla/diversity
+[FAQ]: https://www.contributor-covenant.org/faq
+[translations]: https://www.contributor-covenant.org/translations
-For answers to common questions about this code of conduct, see
-https://www.contributor-covenant.org/faq
diff --git a/Documentation/Makefile b/Documentation/Makefile
index b980407..81d1bf7 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -21,6 +21,7 @@ MAN1_TXT += gitweb.txt
MAN5_TXT += gitattributes.txt
MAN5_TXT += githooks.txt
MAN5_TXT += gitignore.txt
+MAN5_TXT += gitmailmap.txt
MAN5_TXT += gitmodules.txt
MAN5_TXT += gitrepository-layout.txt
MAN5_TXT += gitweb.conf.txt
diff --git a/Documentation/MyFirstContribution.txt b/Documentation/MyFirstContribution.txt
index 7c9a037..af0a9da 100644
--- a/Documentation/MyFirstContribution.txt
+++ b/Documentation/MyFirstContribution.txt
@@ -664,7 +664,7 @@ mention the right animal somewhere:
----
test_expect_success 'runs correctly with no args and good output' '
git psuh >actual &&
- test_i18ngrep Pony actual
+ grep Pony actual
'
----
diff --git a/Documentation/RelNotes/2.17.6.txt b/Documentation/RelNotes/2.17.6.txt
new file mode 100644
index 0000000..2f181e8
--- /dev/null
+++ b/Documentation/RelNotes/2.17.6.txt
@@ -0,0 +1,16 @@
+Git v2.17.6 Release Notes
+=========================
+
+This release addresses the security issues CVE-2021-21300.
+
+Fixes since v2.17.5
+-------------------
+
+ * CVE-2021-21300:
+ On case-insensitive file systems with support for symbolic links,
+ if Git is configured globally to apply delay-capable clean/smudge
+ filters (such as Git LFS), Git could be fooled into running
+ remote code during a clone.
+
+Credit for finding and fixing this vulnerability goes to Matheus
+Tavares, helped by Johannes Schindelin.
diff --git a/Documentation/RelNotes/2.18.5.txt b/Documentation/RelNotes/2.18.5.txt
new file mode 100644
index 0000000..dfb1de4
--- /dev/null
+++ b/Documentation/RelNotes/2.18.5.txt
@@ -0,0 +1,6 @@
+Git v2.18.5 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6 to address
+the security issue CVE-2021-21300; see the release notes for that
+version for details.
diff --git a/Documentation/RelNotes/2.19.6.txt b/Documentation/RelNotes/2.19.6.txt
new file mode 100644
index 0000000..bcca6cd
--- /dev/null
+++ b/Documentation/RelNotes/2.19.6.txt
@@ -0,0 +1,6 @@
+Git v2.19.6 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6 and
+v2.18.5 to address the security issue CVE-2021-21300; see the
+release notes for these versions for details.
diff --git a/Documentation/RelNotes/2.20.5.txt b/Documentation/RelNotes/2.20.5.txt
new file mode 100644
index 0000000..1dfb784
--- /dev/null
+++ b/Documentation/RelNotes/2.20.5.txt
@@ -0,0 +1,6 @@
+Git v2.20.5 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6, v2.18.5
+and v2.19.6 to address the security issue CVE-2021-21300; see
+the release notes for these versions for details.
diff --git a/Documentation/RelNotes/2.21.4.txt b/Documentation/RelNotes/2.21.4.txt
new file mode 100644
index 0000000..0089dd6
--- /dev/null
+++ b/Documentation/RelNotes/2.21.4.txt
@@ -0,0 +1,6 @@
+Git v2.21.4 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6, v2.18.5,
+v2.19.6 and v2.20.5 to address the security issue CVE-2021-21300;
+see the release notes for these versions for details.
diff --git a/Documentation/RelNotes/2.22.5.txt b/Documentation/RelNotes/2.22.5.txt
new file mode 100644
index 0000000..6b280d9
--- /dev/null
+++ b/Documentation/RelNotes/2.22.5.txt
@@ -0,0 +1,7 @@
+Git v2.22.5 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6,
+v2.18.5, v2.19.6, v2.20.5 and v2.21.4 to address the security
+issue CVE-2021-21300; see the release notes for these versions
+for details.
diff --git a/Documentation/RelNotes/2.23.4.txt b/Documentation/RelNotes/2.23.4.txt
new file mode 100644
index 0000000..6e5424d
--- /dev/null
+++ b/Documentation/RelNotes/2.23.4.txt
@@ -0,0 +1,7 @@
+Git v2.23.4 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6, v2.18.5,
+v2.19.6, v2.20.5, v2.21.4 and v2.22.5 to address the security
+issue CVE-2021-21300; see the release notes for these versions
+for details.
diff --git a/Documentation/RelNotes/2.24.4.txt b/Documentation/RelNotes/2.24.4.txt
new file mode 100644
index 0000000..4e216ee
--- /dev/null
+++ b/Documentation/RelNotes/2.24.4.txt
@@ -0,0 +1,7 @@
+Git v2.24.4 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6, v2.18.5,
+v2.19.6, v2.20.5, v2.21.4, v2.22.5 and v2.23.4 to address the
+security issue CVE-2021-21300; see the release notes for these
+versions for details.
diff --git a/Documentation/RelNotes/2.25.5.txt b/Documentation/RelNotes/2.25.5.txt
new file mode 100644
index 0000000..fcb9566
--- /dev/null
+++ b/Documentation/RelNotes/2.25.5.txt
@@ -0,0 +1,7 @@
+Git v2.25.5 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6, v2.18.5,
+v2.19.6, v2.20.5, v2.21.4, v2.22.5, v2.23.4 and v2.24.4 to address
+the security issue CVE-2021-21300; see the release notes for
+these versions for details.
diff --git a/Documentation/RelNotes/2.26.3.txt b/Documentation/RelNotes/2.26.3.txt
new file mode 100644
index 0000000..4111c38
--- /dev/null
+++ b/Documentation/RelNotes/2.26.3.txt
@@ -0,0 +1,7 @@
+Git v2.26.3 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6, v2.18.5,
+v2.19.6, v2.20.5, v2.21.4, v2.22.5, v2.23.4, v2.24.4 and v2.25.5
+to address the security issue CVE-2021-21300; see the release
+notes for these versions for details.
diff --git a/Documentation/RelNotes/2.27.1.txt b/Documentation/RelNotes/2.27.1.txt
new file mode 100644
index 0000000..a1e08a9
--- /dev/null
+++ b/Documentation/RelNotes/2.27.1.txt
@@ -0,0 +1,7 @@
+Git v2.27.1 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6, v2.18.5,
+v2.19.6, v2.20.5, v2.21.4, v2.22.5, v2.23.4, v2.24.4, v2.25.5
+and v2.26.3 to address the security issue CVE-2021-21300; see
+the release notes for these versions for details.
diff --git a/Documentation/RelNotes/2.28.1.txt b/Documentation/RelNotes/2.28.1.txt
new file mode 100644
index 0000000..8484c82
--- /dev/null
+++ b/Documentation/RelNotes/2.28.1.txt
@@ -0,0 +1,7 @@
+Git v2.28.1 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6, v2.18.5,
+v2.19.6, v2.20.5, v2.21.4, v2.22.5, v2.23.4, v2.24.4, v2.25.5,
+v2.26.3 and v2.27.1 to address the security issue CVE-2021-21300;
+see the release notes for these versions for details.
diff --git a/Documentation/RelNotes/2.29.3.txt b/Documentation/RelNotes/2.29.3.txt
new file mode 100644
index 0000000..e10eedb
--- /dev/null
+++ b/Documentation/RelNotes/2.29.3.txt
@@ -0,0 +1,8 @@
+Git v2.29.3 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6,
+v2.18.5, v2.19.6, v2.20.5, v2.21.4, v2.22.5, v2.23.4, v2.24.4,
+v2.25.5, v2.26.3, v2.27.1 and v2.28.1 to address the security
+issue CVE-2021-21300; see the release notes for these versions
+for details.
diff --git a/Documentation/RelNotes/2.30.0.txt b/Documentation/RelNotes/2.30.0.txt
index 0190fa6..c2f1dc7 100644
--- a/Documentation/RelNotes/2.30.0.txt
+++ b/Documentation/RelNotes/2.30.0.txt
@@ -81,8 +81,8 @@ UI, Workflows & Features
* "git update-ref --stdin" learns to take multiple transactions in a
single session.
- * Various subcommands of "git config" that takes value_regex
- learn the "--literal-value" option to take the value_regex option
+ * Various subcommands of "git config" that take value_regex
+ learned the "--literal-value" option to take the value_regex option
as a literal string.
* The transport layer was taught to optionally exchange the session
@@ -120,11 +120,11 @@ Performance, Internal Implementation, Development Support etc.
test pieces to run.
* Adjust tests so that they won't scream when the default initial
- branch name is changed to 'main'.
+ branch name is different from 'master'.
* Rewriting "git bisect" in C continues.
- * More preliminary tests have been added to document desired outcome
+ * More preliminary tests have been added to document desired outcomes
of various "directory rename" situations.
* Micro clean-up of a couple of test scripts.
@@ -136,9 +136,6 @@ Performance, Internal Implementation, Development Support etc.
* The code to detect premature EOF in the sideband demultiplexer has
been cleaned up.
- * Test scripts are being prepared to transition of the default branch
- name to 'main'.
-
* "git fetch --depth=<n>" over the stateless RPC / smart HTTP
transport handled EOF from the client poorly at the server end.
@@ -252,7 +249,7 @@ Fixes since v2.29
(merge c779386182 jc/sequencer-stopped-sha-simplify later to maint).
* The code to see if "git stash drop" can safely remove refs/stash
- has been made more carerful.
+ has been made more careful.
(merge 4f44c5659b rs/empty-reflog-check-fix later to maint).
* "git log -L<range>:<path>" is documented to take no pathspec, but
@@ -299,7 +296,7 @@ Fixes since v2.29
(merge 81c4c5cf2e jk/4gb-idx later to maint).
* Since jgit does not yet work with SHA-256 repositories, mark the
- tests that uses it not to run unless we are testing with ShA-1
+ tests that use it not to run unless we are testing with ShA-1
repositories.
(merge ea699b4adc sg/t5310-jgit-wants-sha1 later to maint).
@@ -337,7 +334,7 @@ Fixes since v2.29
(merge 506ec2fbda tb/idx-midx-race-fix later to maint).
* "git apply" adjusted the permission bits of working-tree files and
- directories according core.sharedRepository setting by mistake and
+ directories according to core.sharedRepository setting by mistake and
for a long time, which has been corrected.
(merge eb3c027e17 mt/do-not-use-scld-in-working-tree later to maint).
@@ -363,6 +360,10 @@ Fixes since v2.29
* Tighten error checking in the codepath that responds to "git fetch".
(merge d43a21bdbb jk/check-config-parsing-error-in-upload-pack later to maint).
+ * "git pack-redundant" when there is only one packfile used to crash,
+ which has been corrected.
+ (merge 0696232390 jx/pack-redundant-on-single-pack later to maint).
+
* Other code cleanup, docfix, build fix, etc.
(merge 3e0a5dc9af cc/doc-filter-branch-typofix later to maint).
(merge 32c83afc2c cw/ci-ghwf-check-ws-errors later to maint).
@@ -397,3 +398,4 @@ Fixes since v2.29
(merge 56f56ac50b ab/unreachable-break later to maint).
(merge 731d578b4f rb/nonstop-config-mak-uname-update later to maint).
(merge f4698738f9 es/perf-export-fix later to maint).
+ (merge 773c694142 nk/refspecs-negative-fix later to maint).
diff --git a/Documentation/RelNotes/2.30.1.txt b/Documentation/RelNotes/2.30.1.txt
new file mode 100644
index 0000000..249ef14
--- /dev/null
+++ b/Documentation/RelNotes/2.30.1.txt
@@ -0,0 +1,55 @@
+Git v2.30.1 Release Notes
+=========================
+
+This release is primarily to merge fixes accumulated on the 'master'
+front to prepare for 2.31 release that are still relevant to 2.30.x
+maintenance track.
+
+Fixes since v2.30
+-----------------
+
+ * "git fetch --recurse-submodules" failed to update a submodule
+ when it has an uninitialized (hence of no interest to the user)
+ sub-submodule, which has been corrected.
+
+ * Command line error of "git rebase" are diagnosed earlier.
+
+ * "git stash" did not work well in a sparsely checked out working
+ tree.
+
+ * Some tests expect that "ls -l" output has either '-' or 'x' for
+ group executable bit, but setgid bit can be inherited from parent
+ directory and make these fields 'S' or 's' instead, causing test
+ failures.
+
+ * "git for-each-repo --config=<var> <cmd>" should not run <cmd> for
+ any repository when the configuration variable <var> is not defined
+ even once.
+
+ * "git mergetool --tool-help" was broken in 2.29 and failed to list
+ all the available tools.
+
+ * Fix for procedure to building CI test environment for mac.
+
+ * Newline characters in the host and path part of git:// URL are
+ now forbidden.
+
+ * When more than one commit with the same patch ID appears on one
+ side, "git log --cherry-pick A...B" did not exclude them all when a
+ commit with the same patch ID appears on the other side. Now it
+ does.
+
+ * Documentation for "git fsck" lost stale bits that has become
+ incorrect.
+
+ * Doc for packfile URI feature has been clarified.
+
+ * The implementation of "git branch --sort" wrt the detached HEAD
+ display has always been hacky, which has been cleaned up.
+
+ * Our setting of GitHub CI test jobs were a bit too eager to give up
+ once there is even one failure found. Tweak the knob to allow
+ other jobs keep running even when we see a failure, so that we can
+ find more failures in a single run.
+
+Also contains minor documentation updates and code clean-ups.
diff --git a/Documentation/RelNotes/2.30.2.txt b/Documentation/RelNotes/2.30.2.txt
new file mode 100644
index 0000000..bada398
--- /dev/null
+++ b/Documentation/RelNotes/2.30.2.txt
@@ -0,0 +1,8 @@
+Git v2.30.2 Release Notes
+=========================
+
+This release merges up the fixes that appear in v2.17.6, v2.18.5,
+v2.19.6, v2.20.5, v2.21.4, v2.22.5, v2.23.4, v2.24.4, v2.25.5,
+v2.26.3, v2.27.1, v2.28.1 and v2.29.3 to address the security
+issue CVE-2021-21300; see the release notes for these versions
+for details.
diff --git a/Documentation/RelNotes/2.31.0.txt b/Documentation/RelNotes/2.31.0.txt
new file mode 100644
index 0000000..cf0c7d8
--- /dev/null
+++ b/Documentation/RelNotes/2.31.0.txt
@@ -0,0 +1,365 @@
+Git 2.31 Release Notes
+======================
+
+Updates since v2.30
+-------------------
+
+Backward incompatible and other important changes
+
+ * The "pack-redundant" command, which has been left stale with almost
+ unusable performance issues, now warns loudly when it gets used, as
+ we no longer want to recommend its use (instead just "repack -d"
+ instead).
+
+ * The development community has adopted Contributor Covenant v2.0 to
+ update from v1.4 that we have been using.
+
+ * The support for deprecated PCRE1 library has been dropped.
+
+ * Fixes for CVE-2021-21300 in Git 2.30.2 (and earlier) is included.
+
+
+UI, Workflows & Features
+
+ * The "--format=%(trailers)" mechanism gets enhanced to make it
+ easier to design output for machine consumption.
+
+ * When a user does not tell "git pull" to use rebase or merge, the
+ command gives a loud message telling a user to choose between
+ rebase or merge but creates a merge anyway, forcing users who would
+ want to rebase to redo the operation. Fix an early part of this
+ problem by tightening the condition to give the message---there is
+ no reason to stop or force the user to choose between rebase or
+ merge if the history fast-forwards.
+
+ * The configuration variable 'core.abbrev' can be set to 'no' to
+ force no abbreviation regardless of the hash algorithm.
+
+ * "git rev-parse" can be explicitly told to give output as absolute
+ or relative path with the `--path-format=(absolute|relative)` option.
+
+ * Bash completion (in contrib/) update to make it easier for
+ end-users to add completion for their custom "git" subcommands.
+
+ * "git maintenance" learned to drive scheduled maintenance on
+ platforms whose native scheduling methods are not 'cron'.
+
+ * After expiring a reflog and making a single commit, the reflog for
+ the branch would record a single entry that knows both @{0} and
+ @{1}, but we failed to answer "what commit were we on?", i.e. @{1}
+
+ * "git bundle" learns "--stdin" option to read its refs from the
+ standard input. Also, it now does not lose refs whey they point
+ at the same object.
+
+ * "git log" learned a new "--diff-merges=<how>" option.
+
+ * "git ls-files" can and does show multiple entries when the index is
+ unmerged, which is a source for confusion unless -s/-u option is in
+ use. A new option --deduplicate has been introduced.
+
+ * `git worktree list` now annotates worktrees as prunable, shows
+ locked and prunable attributes in --porcelain mode, and gained
+ a --verbose option.
+
+ * "git clone" tries to locally check out the branch pointed at by
+ HEAD of the remote repository after it is done, but the protocol
+ did not convey the information necessary to do so when copying an
+ empty repository. The protocol v2 learned how to do so.
+
+ * There are other ways than ".." for a single token to denote a
+ "commit range", namely "<rev>^!" and "<rev>^-<n>", but "git
+ range-diff" did not understand them.
+
+ * The "git range-diff" command learned "--(left|right)-only" option
+ to show only one side of the compared range.
+
+ * "git mergetool" feeds three versions (base, local and remote) of
+ a conflicted path unmodified. The command learned to optionally
+ prepare these files with unconflicted parts already resolved.
+
+ * The .mailmap is documented to be read only from the root level of a
+ working tree, but a stray file in a bare repository also was read
+ by accident, which has been corrected.
+
+ * "git maintenance" tool learned a new "pack-refs" maintenance task.
+
+ * The error message given when a configuration variable that is
+ expected to have a boolean value has been improved.
+
+ * Signed commits and tags now allow verification of objects, whose
+ two object names (one in SHA-1, the other in SHA-256) are both
+ signed.
+
+ * "git rev-list" command learned "--disk-usage" option.
+
+ * "git {diff,log} --{skip,rotate}-to=<path>" allows the user to
+ discard diff output for early paths or move them to the end of the
+ output.
+
+ * "git difftool" learned "--skip-to=<path>" option to restart an
+ interrupted session from an arbitrary path.
+
+ * "git grep" has been tweaked to be limited to the sparse checkout
+ paths.
+
+ * "git rebase --[no-]fork-point" gained a configuration variable
+ rebase.forkPoint so that users do not have to keep specifying a
+ non-default setting.
+
+
+Performance, Internal Implementation, Development Support etc.
+
+ * A 3-year old test that was not testing anything useful has been
+ corrected.
+
+ * Retire more names with "sha1" in it.
+
+ * The topological walk codepath is covered by new trace2 stats.
+
+ * Update the Code-of-conduct to version 2.0 from the upstream (we've
+ been using version 1.4).
+
+ * "git mktag" validates its input using its own rules before writing
+ a tag object---it has been updated to share the logic with "git
+ fsck".
+
+ * Two new ways to feed configuration variable-value pairs via
+ environment variables have been introduced, and the way
+ GIT_CONFIG_PARAMETERS encodes variable/value pairs has been tweaked
+ to make it more robust.
+
+ * Tests have been updated so that they do not to get affected by the
+ name of the default branch "git init" creates.
+
+ * "git fetch" learns to treat ref updates atomically in all-or-none
+ fashion, just like "git push" does, with the new "--atomic" option.
+
+ * The peel_ref() API has been replaced with peel_iterated_oid().
+
+ * The .use_shell flag in struct child_process that is passed to
+ run_command() API has been clarified with a bit more documentation.
+
+ * Document, clean-up and optimize the code around the cache-tree
+ extension in the index.
+
+ * The ls-refs protocol operation has been optimized to narrow the
+ sub-hierarchy of refs/ it walks to produce response.
+
+ * When removing many branches and tags, the code used to do so one
+ ref at a time. There is another API it can use to delete multiple
+ refs, and it makes quite a lot of performance difference when the
+ refs are packed.
+
+ * The "pack-objects" command needs to iterate over all the tags when
+ automatic tag following is enabled, but it actually iterated over
+ all refs and then discarded everything outside "refs/tags/"
+ hierarchy, which was quite wasteful.
+
+ * A perf script was made more portable.
+
+ * Our setting of GitHub CI test jobs were a bit too eager to give up
+ once there is even one failure found. Tweak the knob to allow
+ other jobs keep running even when we see a failure, so that we can
+ find more failures in a single run.
+
+ * We've carried compatibility codepaths for compilers without
+ variadic macros for quite some time, but the world may be ready for
+ them to be removed. Force compilation failure on exotic platforms
+ where variadic macros are not available to find out who screams in
+ such a way that we can easily revert if it turns out that the world
+ is not yet ready.
+
+ * Code clean-up to ensure our use of hashtables using object names as
+ keys use the "struct object_id" objects, not the raw hash values.
+
+ * Lose the debugging aid that may have been useful in the past, but
+ no longer is, in the "grep" codepaths.
+
+ * Some pretty-format specifiers do not need the data in commit object
+ (e.g. "%H"), but we were over-eager to load and parse it, which has
+ been made even lazier.
+
+ * Get rid of "GETTEXT_POISON" support altogether, which may or may
+ not be controversial.
+
+ * Introduce an on-disk file to record revindex for packdata, which
+ traditionally was always created on the fly and only in-core.
+
+ * The commit-graph learned to use corrected commit dates instead of
+ the generation number to help topological revision traversal.
+
+ * Piecemeal of rewrite of "git bisect" in C continues.
+
+ * When a pager spawned by us exited, the trace log did not record its
+ exit status correctly, which has been corrected.
+
+ * Removal of GIT_TEST_GETTEXT_POISON continues.
+
+ * The code to implement "git merge-base --independent" was poorly
+ done and was kept from the very beginning of the feature.
+
+ * Preliminary changes to fsmonitor integration.
+
+ * Performance improvements for rename detection.
+
+ * The common code to deal with "chunked file format" that is shared
+ by the multi-pack-index and commit-graph files have been factored
+ out, to help codepaths for both filetypes to become more robust.
+
+ * The approach to "fsck" the incoming objects in "index-pack" is
+ attractive for performance reasons (we have them already in core,
+ inflated and ready to be inspected), but fundamentally cannot be
+ applied fully when we receive more than one pack stream, as a tree
+ object in one pack may refer to a blob object in another pack as
+ ".gitmodules", when we want to inspect blobs that are used as
+ ".gitmodules" file, for example. Teach "index-pack" to emit
+ objects that must be inspected later and check them in the calling
+ "fetch-pack" process.
+
+ * The logic to handle "trailer" related placeholders in the
+ "--format=" mechanisms in the "log" family and "for-each-ref"
+ family is getting unified.
+
+ * Raise the buffer size used when writing the index file out from
+ (obviously too small) 8kB to (clearly sufficiently large) 128kB.
+
+ * It is reported that open() on some platforms (e.g. macOS Big Sur)
+ can return EINTR even though our timers are set up with SA_RESTART.
+ A workaround has been implemented and enabled for macOS to rerun
+ open() transparently from the caller when this happens.
+
+
+Fixes since v2.30
+-----------------
+
+ * Diagnose command line error of "git rebase" early.
+
+ * Clean up option descriptions in "git cmd --help".
+
+ * "git stash" did not work well in a sparsely checked out working
+ tree.
+
+ * Some tests expect that "ls -l" output has either '-' or 'x' for
+ group executable bit, but setgid bit can be inherited from parent
+ directory and make these fields 'S' or 's' instead, causing test
+ failures.
+
+ * "git for-each-repo --config=<var> <cmd>" should not run <cmd> for
+ any repository when the configuration variable <var> is not defined
+ even once.
+
+ * Fix 2.29 regression where "git mergetool --tool-help" fails to list
+ all the available tools.
+
+ * Fix for procedure to building CI test environment for mac.
+
+ * The implementation of "git branch --sort" wrt the detached HEAD
+ display has always been hacky, which has been cleaned up.
+
+ * Newline characters in the host and path part of git:// URL are
+ now forbidden.
+
+ * "git diff" showed a submodule working tree with untracked cruft as
+ "Submodule commit <objectname>-dirty", but a natural expectation is
+ that the "-dirty" indicator would align with "git describe --dirty",
+ which does not consider having untracked files in the working tree
+ as source of dirtiness. The inconsistency has been fixed.
+
+ * When more than one commit with the same patch ID appears on one
+ side, "git log --cherry-pick A...B" did not exclude them all when a
+ commit with the same patch ID appears on the other side. Now it
+ does.
+
+ * Documentation for "git fsck" lost stale bits that has become
+ incorrect.
+
+ * Doc fix for packfile URI feature.
+
+ * When "git rebase -i" processes "fixup" insn, there is no reason to
+ clean up the commit log message, but we did the usual stripspace
+ processing. This has been corrected.
+ (merge f7d42ceec5 js/rebase-i-commit-cleanup-fix later to maint).
+
+ * Fix in passing custom args from "git clone" to "upload-pack" on the
+ other side.
+ (merge ad6b5fefbd jv/upload-pack-filter-spec-quotefix later to maint).
+
+ * The command line completion (in contrib/) completed "git branch -d"
+ with branch names, but "git branch -D" offered tagnames in addition,
+ which has been corrected. "git branch -M" had the same problem.
+ (merge 27dc071b9a jk/complete-branch-force-delete later to maint).
+
+ * When commands are started from a subdirectory, they may have to
+ compare the path to the subdirectory (called prefix and found out
+ from $(pwd)) with the tracked paths. On macOS, $(pwd) and
+ readdir() yield decomposed path, while the tracked paths are
+ usually normalized to the precomposed form, causing mismatch. This
+ has been fixed by taking the same approach used to normalize the
+ command line arguments.
+ (merge 5c327502db tb/precompose-prefix-too later to maint).
+
+ * Even though invocations of "die()" were logged to the trace2
+ system, "BUG()"s were not, which has been corrected.
+ (merge 0a9dde4a04 jt/trace2-BUG later to maint).
+
+ * "git grep --untracked" is meant to be "let's ALSO find in these
+ files on the filesystem" when looking for matches in the working
+ tree files, and does not make any sense if the primary search is
+ done against the index, or the tree objects. The "--cached" and
+ "--untracked" options have been marked as mutually incompatible.
+ (merge 0c5d83b248 mt/grep-cached-untracked later to maint).
+
+ * Fix "git fsck --name-objects" which apparently has not been used by
+ anybody who is motivated enough to report breakage.
+ (merge e89f89361c js/fsck-name-objects-fix later to maint).
+
+ * Avoid individual tests in t5411 from getting affected by each other
+ by forcing them to use separate output files during the test.
+ (merge 822ee894f6 jx/t5411-unique-filenames later to maint).
+
+ * Test to make sure "git rev-parse one-thing one-thing" gives
+ the same thing twice (when one-thing is --since=X).
+ (merge a5cdca4520 ew/rev-parse-since-test later to maint).
+
+ * When certain features (e.g. grafts) used in the repository are
+ incompatible with the use of the commit-graph, we used to silently
+ turned commit-graph off; we now tell the user what we are doing.
+ (merge c85eec7fc3 js/commit-graph-warning later to maint).
+
+ * Objects that lost references can be pruned away, even when they
+ have notes attached to it (and these notes will become dangling,
+ which in turn can be pruned with "git notes prune"). This has been
+ clarified in the documentation.
+ (merge fa9ab027ba mz/doc-notes-are-not-anchors later to maint).
+
+ * The error codepath around the "--temp/--prefix" feature of "git
+ checkout-index" has been improved.
+ (merge 3f7ba60350 mt/checkout-index-corner-cases later to maint).
+
+ * The "git maintenance register" command had trouble registering bare
+ repositories, which had been corrected.
+
+ * A handful of multi-word configuration variable names in
+ documentation that are spelled in all lowercase have been corrected
+ to use the more canonical camelCase.
+ (merge 7dd0eaa39c dl/doc-config-camelcase later to maint).
+
+ * "git push $there --delete ''" should have been diagnosed as an
+ error, but instead turned into a matching push, which has been
+ corrected.
+ (merge 20e416409f jc/push-delete-nothing later to maint).
+
+ * Test script modernization.
+ (merge 488acf15df sv/t7001-modernize later to maint).
+
+ * An under-allocation for the untracked cache data has been corrected.
+ (merge 6347d649bc jh/untracked-cache-fix later to maint).
+
+ * Other code cleanup, docfix, build fix, etc.
+ (merge e3f5da7e60 sg/t7800-difftool-robustify later to maint).
+ (merge 9d336655ba js/doc-proto-v2-response-end later to maint).
+ (merge 1b5b8cf072 jc/maint-column-doc-typofix later to maint).
+ (merge 3a837b58e3 cw/pack-config-doc later to maint).
+ (merge 01168a9d89 ug/doc-commit-approxidate later to maint).
+ (merge b865734760 js/params-vs-args later to maint).
diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches
index d12094b..0452db2 100644
--- a/Documentation/SubmittingPatches
+++ b/Documentation/SubmittingPatches
@@ -307,7 +307,7 @@ wrote the patch or have the right to pass it on under the same license
as ours, by "signing off" your patch. Without sign-off, we cannot
accept your patches.
-If you can certify the below D-C-O:
+If (and only if) you certify the below D-C-O:
[[dco]]
.Developer's Certificate of Origin 1.1
diff --git a/Documentation/blame-options.txt b/Documentation/blame-options.txt
index dc3bceb..117f4cf 100644
--- a/Documentation/blame-options.txt
+++ b/Documentation/blame-options.txt
@@ -1,6 +1,6 @@
-b::
Show blank SHA-1 for boundary commits. This can also
- be controlled via the `blame.blankboundary` config option.
+ be controlled via the `blame.blankBoundary` config option.
--root::
Do not treat root commits as boundaries. This can also be
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 6ba50b1..d08e83a 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -398,6 +398,8 @@ include::config/interactive.txt[]
include::config/log.txt[]
+include::config/lsrefs.txt[]
+
include::config/mailinfo.txt[]
include::config/mailmap.txt[]
diff --git a/Documentation/config/core.txt b/Documentation/config/core.txt
index 160aaca..c04f62a 100644
--- a/Documentation/config/core.txt
+++ b/Documentation/config/core.txt
@@ -625,4 +625,6 @@ core.abbrev::
computed based on the approximate number of packed objects
in your repository, which hopefully is enough for
abbreviated object names to stay unique for some time.
+ If set to "no", no abbreviation is made and the object names
+ are shown in their full length.
The minimum length is 4.
diff --git a/Documentation/config/diff.txt b/Documentation/config/diff.txt
index c3ae136..2d3331f 100644
--- a/Documentation/config/diff.txt
+++ b/Documentation/config/diff.txt
@@ -85,6 +85,8 @@ diff.ignoreSubmodules::
and 'git status' when `status.submoduleSummary` is set unless it is
overridden by using the --ignore-submodules command-line option.
The 'git submodule' commands are not affected by this setting.
+ By default this is set to untracked so that any untracked
+ submodules are ignored.
diff.mnemonicPrefix::
If set, 'git diff' uses a prefix pair that is different from the
diff --git a/Documentation/config/http.txt b/Documentation/config/http.txt
index 3968fbb..7003661 100644
--- a/Documentation/config/http.txt
+++ b/Documentation/config/http.txt
@@ -42,12 +42,12 @@ http.proxySSLKey::
http.proxySSLCertPasswordProtected::
Enable Git's password prompt for the proxy SSL certificate. Otherwise OpenSSL
will prompt the user, possibly many times, if the certificate or private key
- is encrypted. Can be overriden by the `GIT_PROXY_SSL_CERT_PASSWORD_PROTECTED`
+ is encrypted. Can be overridden by the `GIT_PROXY_SSL_CERT_PASSWORD_PROTECTED`
environment variable.
http.proxySSLCAInfo::
Pathname to the file containing the certificate bundle that should be used to
- verify the proxy with when using an HTTPS proxy. Can be overriden by the
+ verify the proxy with when using an HTTPS proxy. Can be overridden by the
`GIT_PROXY_SSL_CAINFO` environment variable.
http.emptyAuth::
diff --git a/Documentation/config/init.txt b/Documentation/config/init.txt
index dc77f8c..79c79d6 100644
--- a/Documentation/config/init.txt
+++ b/Documentation/config/init.txt
@@ -4,4 +4,4 @@ init.templateDir::
init.defaultBranch::
Allows overriding the default branch name e.g. when initializing
- a new repository or when cloning an empty repository.
+ a new repository.
diff --git a/Documentation/config/lsrefs.txt b/Documentation/config/lsrefs.txt
new file mode 100644
index 0000000..adeda0f
--- /dev/null
+++ b/Documentation/config/lsrefs.txt
@@ -0,0 +1,9 @@
+lsrefs.unborn::
+ May be "advertise" (the default), "allow", or "ignore". If "advertise",
+ the server will respond to the client sending "unborn" (as described in
+ protocol-v2.txt) and will advertise support for this feature during the
+ protocol v2 capability advertisement. "allow" is the same as
+ "advertise" except that the server will not advertise support for this
+ feature; this is useful for load-balanced servers that cannot be
+ updated atomically (for example), since the administrator could
+ configure "allow", then after a delay, configure "advertise".
diff --git a/Documentation/config/maintenance.txt b/Documentation/config/maintenance.txt
index a5ead09..18f0562 100644
--- a/Documentation/config/maintenance.txt
+++ b/Documentation/config/maintenance.txt
@@ -15,8 +15,9 @@ maintenance.strategy::
* `none`: This default setting implies no task are run at any schedule.
* `incremental`: This setting optimizes for performing small maintenance
activities that do not delete any data. This does not schedule the `gc`
- task, but runs the `prefetch` and `commit-graph` tasks hourly and the
- `loose-objects` and `incremental-repack` tasks daily.
+ task, but runs the `prefetch` and `commit-graph` tasks hourly, the
+ `loose-objects` and `incremental-repack` tasks daily, and the `pack-refs`
+ task weekly.
maintenance.<task>.enabled::
This boolean config option controls whether the maintenance task
diff --git a/Documentation/config/pack.txt b/Documentation/config/pack.txt
index 837f1b1..3da4ea9 100644
--- a/Documentation/config/pack.txt
+++ b/Documentation/config/pack.txt
@@ -133,3 +133,10 @@ pack.writeBitmapHashCache::
between an older, bitmapped pack and objects that have been
pushed since the last gc). The downside is that it consumes 4
bytes per object of disk space. Defaults to true.
+
+pack.writeReverseIndex::
+ When true, git will write a corresponding .rev file (see:
+ link:../technical/pack-format.html[Documentation/technical/pack-format.txt])
+ for each new packfile that it writes in all places except for
+ linkgit:git-fast-import[1] and in the bulk checkin mechanism.
+ Defaults to false.
diff --git a/Documentation/config/rebase.txt b/Documentation/config/rebase.txt
index 7f7a07d..214f31b 100644
--- a/Documentation/config/rebase.txt
+++ b/Documentation/config/rebase.txt
@@ -68,3 +68,6 @@ rebase.rescheduleFailedExec::
Automatically reschedule `exec` commands that failed. This only makes
sense in interactive mode (or when an `--exec` option was provided).
This is the same as specifying the `--reschedule-failed-exec` option.
+
+rebase.forkPoint::
+ If set to false set `--no-fork-point` option by default.
diff --git a/Documentation/config/trace2.txt b/Documentation/config/trace2.txt
index 01d3afd..fe1642f 100644
--- a/Documentation/config/trace2.txt
+++ b/Documentation/config/trace2.txt
@@ -54,7 +54,7 @@ trace2.envVars::
`GIT_HTTP_USER_AGENT,GIT_CONFIG` would cause the trace2 output to
contain events listing the overrides for HTTP user agent and the
location of the Git configuration file (assuming any are set). May be
- overriden by the `GIT_TRACE2_ENV_VARS` environment variable. Unset by
+ overridden by the `GIT_TRACE2_ENV_VARS` environment variable. Unset by
default.
trace2.destinationDebug::
diff --git a/Documentation/date-formats.txt b/Documentation/date-formats.txt
index f1097fa..99c455f 100644
--- a/Documentation/date-formats.txt
+++ b/Documentation/date-formats.txt
@@ -1,10 +1,7 @@
DATE FORMATS
------------
-The `GIT_AUTHOR_DATE`, `GIT_COMMITTER_DATE` environment variables
-ifdef::git-commit[]
-and the `--date` option
-endif::git-commit[]
+The `GIT_AUTHOR_DATE` and `GIT_COMMITTER_DATE` environment variables
support the following date formats:
Git internal format::
@@ -26,3 +23,9 @@ ISO 8601::
+
NOTE: In addition, the date part is accepted in the following formats:
`YYYY.MM.DD`, `MM/DD/YYYY` and `DD.MM.YYYY`.
+
+ifdef::git-commit[]
+In addition to recognizing all date formats above, the `--date` option
+will also try to make sense of other, more human-centric date formats,
+such as relative dates like "yesterday" or "last Friday at noon".
+endif::git-commit[]
diff --git a/Documentation/diff-generate-patch.txt b/Documentation/diff-generate-patch.txt
index b10ff4c..2db8eac 100644
--- a/Documentation/diff-generate-patch.txt
+++ b/Documentation/diff-generate-patch.txt
@@ -81,9 +81,9 @@ Combined diff format
Any diff-generating command can take the `-c` or `--cc` option to
produce a 'combined diff' when showing a merge. This is the default
format when showing merges with linkgit:git-diff[1] or
-linkgit:git-show[1]. Note also that you can give the `-m` option to any
-of these commands to force generation of diffs with individual parents
-of a merge.
+linkgit:git-show[1]. Note also that you can give suitable
+`--diff-merges` option to any of these commands to force generation of
+diffs in specific format.
A "combined diff" format looks like this:
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 746b144..aa2b5c1 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -33,6 +33,57 @@ endif::git-diff[]
show the patch by default, or to cancel the effect of `--patch`.
endif::git-format-patch[]
+ifdef::git-log[]
+--diff-merges=(off|none|first-parent|1|separate|m|combined|c|dense-combined|cc)::
+--no-diff-merges::
+ Specify diff format to be used for merge commits. Default is
+ {diff-merges-default} unless `--first-parent` is in use, in which case
+ `first-parent` is the default.
++
+--diff-merges=(off|none):::
+--no-diff-merges:::
+ Disable output of diffs for merge commits. Useful to override
+ implied value.
++
+--diff-merges=first-parent:::
+--diff-merges=1:::
+ This option makes merge commits show the full diff with
+ respect to the first parent only.
++
+--diff-merges=separate:::
+--diff-merges=m:::
+-m:::
+ This makes merge commits show the full diff with respect to
+ each of the parents. Separate log entry and diff is generated
+ for each parent. `-m` doesn't produce any output without `-p`.
++
+--diff-merges=combined:::
+--diff-merges=c:::
+-c:::
+ With this option, diff output for a merge commit shows the
+ differences from each of the parents to the merge result
+ simultaneously instead of showing pairwise diff between a
+ parent and the result one at a time. Furthermore, it lists
+ only files which were modified from all parents. `-c` implies
+ `-p`.
++
+--diff-merges=dense-combined:::
+--diff-merges=cc:::
+--cc:::
+ With this option the output produced by
+ `--diff-merges=combined` is further compressed by omitting
+ uninteresting hunks whose contents in the parents have only
+ two variants and the merge result picks one of them without
+ modification. `--cc` implies `-p`.
+
+--combined-all-paths::
+ This flag causes combined diffs (used for merge commits) to
+ list the name of the file from all parents. It thus only has
+ effect when `--diff-merges=[dense-]combined` is in use, and
+ is likely only useful if filename changes are detected (i.e.
+ when either rename or copy detection have been requested).
+endif::git-log[]
+
-U<n>::
--unified=<n>::
Generate diffs with <n> lines of context instead of
@@ -649,6 +700,14 @@ matches a pattern if removing any number of the final pathname
components matches the pattern. For example, the pattern "`foo*bar`"
matches "`fooasdfbar`" and "`foo/bar/baz/asdf`" but not "`foobarx`".
+--skip-to=<file>::
+--rotate-to=<file>::
+ Discard the files before the named <file> from the output
+ (i.e. 'skip to'), or move them to the end of the output
+ (i.e. 'rotate to'). These were invented primarily for use
+ of the `git difftool` command, and may not be very useful
+ otherwise.
+
ifndef::git-format-patch[]
-R::
Swap two inputs; that is, show differences from index or
diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt
index 2bf77b4..07783de 100644
--- a/Documentation/fetch-options.txt
+++ b/Documentation/fetch-options.txt
@@ -7,6 +7,10 @@
existing contents of `.git/FETCH_HEAD`. Without this
option old data in `.git/FETCH_HEAD` will be overwritten.
+--atomic::
+ Use an atomic transaction to update local refs. Either all refs are
+ updated, or on error, no refs are updated.
+
--depth=<depth>::
Limit fetching to the specified number of commits from the tip of
each remote branch history. If fetching to a 'shallow' repository
diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt
index 06bc063..decd8ae 100644
--- a/Documentation/git-am.txt
+++ b/Documentation/git-am.txt
@@ -79,7 +79,7 @@ OPTIONS
Pass `-u` flag to 'git mailinfo' (see linkgit:git-mailinfo[1]).
The proposed commit log message taken from the e-mail
is re-coded into UTF-8 encoding (configuration variable
- `i18n.commitencoding` can be used to specify project's
+ `i18n.commitEncoding` can be used to specify project's
preferred encoding if it is not UTF-8).
+
This was optional in prior versions of git, but now it is the
diff --git a/Documentation/git-blame.txt b/Documentation/git-blame.txt
index 34b496d..3bf5d5d 100644
--- a/Documentation/git-blame.txt
+++ b/Documentation/git-blame.txt
@@ -226,7 +226,7 @@ commit commentary), a blame viewer will not care.
MAPPING AUTHORS
---------------
-include::mailmap.txt[]
+See linkgit:gitmailmap[5].
SEE ALSO
diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt
index adaa178..94dc9a5 100644
--- a/Documentation/git-branch.txt
+++ b/Documentation/git-branch.txt
@@ -78,8 +78,8 @@ renaming. If <newbranch> exists, -M must be used to force the rename
to happen.
The `-c` and `-C` options have the exact same semantics as `-m` and
-`-M`, except instead of the branch being renamed it along with its
-config and reflog will be copied to a new name.
+`-M`, except instead of the branch being renamed, it will be copied to a
+new name, along with its config and reflog.
With a `-d` or `-D` option, `<branchname>` will be deleted. You may
specify more than one branch for deletion. If the branch currently
@@ -153,7 +153,7 @@ OPTIONS
--column[=<options>]::
--no-column::
Display branch listing in columns. See configuration variable
- column.branch for option syntax.`--column` and `--no-column`
+ `column.branch` for option syntax. `--column` and `--no-column`
without options are equivalent to 'always' and 'never' respectively.
+
This option is only applicable in non-verbose mode.
diff --git a/Documentation/git-check-mailmap.txt b/Documentation/git-check-mailmap.txt
index aa2055d..02f4418 100644
--- a/Documentation/git-check-mailmap.txt
+++ b/Documentation/git-check-mailmap.txt
@@ -36,10 +36,17 @@ name is provided or known to the 'mailmap', ``Name $$<user@host>$$'' is
printed; otherwise only ``$$<user@host>$$'' is printed.
+CONFIGURATION
+-------------
+
+See `mailmap.file` and `mailmap.blob` in linkgit:git-config[1] for how
+to specify a custom `.mailmap` target file or object.
+
+
MAPPING AUTHORS
---------------
-include::mailmap.txt[]
+See linkgit:gitmailmap[5].
GIT
diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt
index 876aedc..02d9c19 100644
--- a/Documentation/git-clone.txt
+++ b/Documentation/git-clone.txt
@@ -57,6 +57,10 @@ repository is specified as a URL, then this flag is ignored (and we
never use the local optimizations). Specifying `--no-local` will
override the default when `/path/to/repo` is given, using the regular
Git transport instead.
++
+*NOTE*: this operation can race with concurrent modification to the
+source repository, similar to running `cp -r src dst` while modifying
+`src`.
--no-hardlinks::
Force the cloning process from a repository on a local
diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
index 0e9351d..4b4cc5c 100644
--- a/Documentation/git-config.txt
+++ b/Documentation/git-config.txt
@@ -346,6 +346,22 @@ GIT_CONFIG_NOSYSTEM::
See also <<FILES>>.
+GIT_CONFIG_COUNT::
+GIT_CONFIG_KEY_<n>::
+GIT_CONFIG_VALUE_<n>::
+ If GIT_CONFIG_COUNT is set to a positive number, all environment pairs
+ GIT_CONFIG_KEY_<n> and GIT_CONFIG_VALUE_<n> up to that number will be
+ added to the process's runtime configuration. The config pairs are
+ zero-indexed. Any missing key or value is treated as an error. An empty
+ GIT_CONFIG_COUNT is treated the same as GIT_CONFIG_COUNT=0, namely no
+ pairs are processed. These environment variables will override values
+ in configuration files, but will be overridden by any explicit options
+ passed via `git -c`.
++
+This is useful for cases where you want to spawn multiple git commands
+with a common configuration but cannot depend on a configuration file,
+for example when writing scripts.
+
[[EXAMPLES]]
EXAMPLES
diff --git a/Documentation/git-difftool.txt b/Documentation/git-difftool.txt
index 484c485..143b0c4 100644
--- a/Documentation/git-difftool.txt
+++ b/Documentation/git-difftool.txt
@@ -34,6 +34,14 @@ OPTIONS
This is the default behaviour; the option is provided to
override any configuration settings.
+--rotate-to=<file>::
+ Start showing the diff for the given path,
+ the paths before it will move to end and output.
+
+--skip-to=<file>::
+ Start showing the diff for the given path, skipping all
+ the paths before it.
+
-t <tool>::
--tool=<tool>::
Use the diff tool specified by <tool>. Valid values include
diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index 2962f85..2ae2478 100644
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -260,11 +260,9 @@ contents:lines=N::
The first `N` lines of the message.
Additionally, the trailers as interpreted by linkgit:git-interpret-trailers[1]
-are obtained as `trailers` (or by using the historical alias
-`contents:trailers`). Non-trailer lines from the trailer block can be omitted
-with `trailers:only`. Whitespace-continuations can be removed from trailers so
-that each trailer appears on a line by itself with its full content with
-`trailers:unfold`. Both can be used together as `trailers:unfold,only`.
+are obtained as `trailers[:options]` (or by using the historical alias
+`contents:trailers[:options]`). For valid [:option] values see `trailers`
+section of linkgit:git-log[1].
For sorting purposes, fields with numeric values sort in numeric order
(`objectsize`, `authordate`, `committerdate`, `creatordate`, `taggerdate`).
diff --git a/Documentation/git-fsck.txt b/Documentation/git-fsck.txt
index d72d15b..bd59661 100644
--- a/Documentation/git-fsck.txt
+++ b/Documentation/git-fsck.txt
@@ -129,14 +129,6 @@ using 'git commit-graph verify'. See linkgit:git-commit-graph[1].
Extracted Diagnostics
---------------------
-expect dangling commits - potential heads - due to lack of head information::
- You haven't specified any nodes as heads so it won't be
- possible to differentiate between un-parented commits and
- root nodes.
-
-missing sha1 directory '<dir>'::
- The directory holding the sha1 objects is missing.
-
unreachable <type> <object>::
The <type> object <object>, isn't actually referred to directly
or indirectly in any of the trees or commits seen. This can
diff --git a/Documentation/git-gc.txt b/Documentation/git-gc.txt
index 0c114ad..853967d 100644
--- a/Documentation/git-gc.txt
+++ b/Documentation/git-gc.txt
@@ -117,12 +117,14 @@ NOTES
'git gc' tries very hard not to delete objects that are referenced
anywhere in your repository. In particular, it will keep not only
objects referenced by your current set of branches and tags, but also
-objects referenced by the index, remote-tracking branches, notes saved
-by 'git notes' under refs/notes/, reflogs (which may reference commits
-in branches that were later amended or rewound), and anything else in
-the refs/* namespace. If you are expecting some objects to be deleted
-and they aren't, check all of those locations and decide whether it
-makes sense in your case to remove those references.
+objects referenced by the index, remote-tracking branches, reflogs
+(which may reference commits in branches that were later amended or
+rewound), and anything else in the refs/* namespace. Note that a note
+(of the kind created by 'git notes') attached to an object does not
+contribute in keeping the object alive. If you are expecting some
+objects to be deleted and they aren't, check all of those locations
+and decide whether it makes sense in your case to remove those
+references.
On the other hand, when 'git gc' runs concurrently with another process,
there is a risk of it deleting an object that the other process is using
diff --git a/Documentation/git-http-fetch.txt b/Documentation/git-http-fetch.txt
index 4deb489..9fa17b6 100644
--- a/Documentation/git-http-fetch.txt
+++ b/Documentation/git-http-fetch.txt
@@ -41,11 +41,17 @@ commit-id::
<commit-id>['\t'<filename-as-in--w>]
--packfile=<hash>::
- Instead of a commit id on the command line (which is not expected in
+ For internal use only. Instead of a commit id on the command
+ line (which is not expected in
this case), 'git http-fetch' fetches the packfile directly at the given
URL and uses index-pack to generate corresponding .idx and .keep files.
The hash is used to determine the name of the temporary file and is
- arbitrary. The output of index-pack is printed to stdout.
+ arbitrary. The output of index-pack is printed to stdout. Requires
+ --index-pack-args.
+
+--index-pack-args=<args>::
+ For internal use only. The command to run on the contents of the
+ downloaded pack. Arguments are URL-encoded separated by spaces.
--recover::
Verify that everything reachable from target is fetched. Used after
diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt
index af0c262..7fa74b9 100644
--- a/Documentation/git-index-pack.txt
+++ b/Documentation/git-index-pack.txt
@@ -9,17 +9,18 @@ git-index-pack - Build pack index file for an existing packed archive
SYNOPSIS
--------
[verse]
-'git index-pack' [-v] [-o <index-file>] <pack-file>
+'git index-pack' [-v] [-o <index-file>] [--[no-]rev-index] <pack-file>
'git index-pack' --stdin [--fix-thin] [--keep] [-v] [-o <index-file>]
- [<pack-file>]
+ [--[no-]rev-index] [<pack-file>]
DESCRIPTION
-----------
Reads a packed archive (.pack) from the specified file, and
-builds a pack index file (.idx) for it. The packed archive
-together with the pack index can then be placed in the
-objects/pack/ directory of a Git repository.
+builds a pack index file (.idx) for it. Optionally writes a
+reverse-index (.rev) for the specified pack. The packed
+archive together with the pack index can then be placed in
+the objects/pack/ directory of a Git repository.
OPTIONS
@@ -35,6 +36,13 @@ OPTIONS
fails if the name of packed archive does not end
with .pack).
+--[no-]rev-index::
+ When this flag is provided, generate a reverse index
+ (a `.rev` file) corresponding to the given pack. If
+ `--verify` is given, ensure that the existing
+ reverse index is correct. Takes precedence over
+ `pack.writeReverseIndex`.
+
--stdin::
When this flag is provided, the pack is read from stdin
instead and a copy is then written to <pack-file>. If
@@ -78,7 +86,12 @@ OPTIONS
Die if the pack contains broken links. For internal use only.
--fsck-objects::
- Die if the pack contains broken objects. For internal use only.
+ For internal use only.
++
+Die if the pack contains broken objects. If the pack contains a tree
+pointing to a .gitmodules blob that does not exist, prints the hash of
+that blob (for the caller to check) after the hash that goes into the
+name of the pack/idx file (see "Notes").
--threads=<n>::
Specifies the number of threads to spawn when resolving
diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt
index dd189a3..1bbf865 100644
--- a/Documentation/git-log.txt
+++ b/Documentation/git-log.txt
@@ -107,47 +107,15 @@ DIFF FORMATTING
By default, `git log` does not generate any diff output. The options
below can be used to show the changes made by each commit.
-Note that unless one of `-c`, `--cc`, or `-m` is given, merge commits
-will never show a diff, even if a diff format like `--patch` is
-selected, nor will they match search options like `-S`. The exception is
-when `--first-parent` is in use, in which merges are treated like normal
-single-parent commits (this can be overridden by providing a
-combined-diff option or with `--no-diff-merges`).
-
--c::
- With this option, diff output for a merge commit
- shows the differences from each of the parents to the merge result
- simultaneously instead of showing pairwise diff between a parent
- and the result one at a time. Furthermore, it lists only files
- which were modified from all parents.
-
---cc::
- This flag implies the `-c` option and further compresses the
- patch output by omitting uninteresting hunks whose contents in
- the parents have only two variants and the merge result picks
- one of them without modification.
-
---combined-all-paths::
- This flag causes combined diffs (used for merge commits) to
- list the name of the file from all parents. It thus only has
- effect when -c or --cc are specified, and is likely only
- useful if filename changes are detected (i.e. when either
- rename or copy detection have been requested).
-
--m::
- This flag makes the merge commits show the full diff like
- regular commits; for each merge parent, a separate log entry
- and diff is generated. An exception is that only diff against
- the first parent is shown when `--first-parent` option is given;
- in that case, the output represents the changes the merge
- brought _into_ the then-current branch.
-
---diff-merges=off::
---no-diff-merges::
- Disable output of diffs for merge commits (default). Useful to
- override `-m`, `-c`, or `--cc`.
+Note that unless one of `--diff-merges` variants (including short
+`-m`, `-c`, and `--cc` options) is explicitly given, merge commits
+will not show a diff, even if a diff format like `--patch` is
+selected, nor will they match search options like `-S`. The exception
+is when `--first-parent` is in use, in which case `first-parent` is
+the default format.
:git-log: 1
+:diff-merges-default: `off`
include::diff-options.txt[]
include::diff-generate-patch.txt[]
diff --git a/Documentation/git-ls-files.txt b/Documentation/git-ls-files.txt
index cbcf526..6d11ab5 100644
--- a/Documentation/git-ls-files.txt
+++ b/Documentation/git-ls-files.txt
@@ -13,6 +13,7 @@ SYNOPSIS
(--[cached|deleted|others|ignored|stage|unmerged|killed|modified])*
(-[c|d|o|i|s|u|k|m])*
[--eol]
+ [--deduplicate]
[-x <pattern>|--exclude=<pattern>]
[-X <file>|--exclude-from=<file>]
[--exclude-per-directory=<file>]
@@ -23,9 +24,8 @@ SYNOPSIS
DESCRIPTION
-----------
-This merges the file listing in the directory cache index with the
-actual working directory list, and shows different combinations of the
-two.
+This merges the file listing in the index with the actual working
+directory list, and shows different combinations of the two.
One or more of the options below may be used to determine the files
shown:
@@ -81,6 +81,13 @@ OPTIONS
\0 line termination on output and do not quote filenames.
See OUTPUT below for more information.
+--deduplicate::
+ When only filenames are shown, suppress duplicates that may
+ come from having multiple stages during a merge, or giving
+ `--deleted` and `--modified` option at the same time.
+ When any of the `-t`, `--unmerged`, or `--stage` option is
+ in use, this option has no effect.
+
-x <pattern>::
--exclude=<pattern>::
Skip untracked files matching pattern.
diff --git a/Documentation/git-mailinfo.txt b/Documentation/git-mailinfo.txt
index 7a6aed0..d343f04 100644
--- a/Documentation/git-mailinfo.txt
+++ b/Documentation/git-mailinfo.txt
@@ -53,7 +53,7 @@ character.
The commit log message, author name and author email are
taken from the e-mail, and after minimally decoding MIME
transfer encoding, re-coded in the charset specified by
- i18n.commitencoding (defaulting to UTF-8) by transliterating
+ `i18n.commitEncoding` (defaulting to UTF-8) by transliterating
them. This used to be optional but now it is the default.
+
Note that the patch is always used as-is without charset
@@ -61,7 +61,7 @@ conversion, even with this flag.
--encoding=<encoding>::
Similar to -u. But when re-coding, the charset specified here is
- used instead of the one specified by i18n.commitencoding or UTF-8.
+ used instead of the one specified by `i18n.commitEncoding` or UTF-8.
-n::
Disable all charset re-coding of the metadata.
diff --git a/Documentation/git-maintenance.txt b/Documentation/git-maintenance.txt
index 6fec1eb..80ddd33 100644
--- a/Documentation/git-maintenance.txt
+++ b/Documentation/git-maintenance.txt
@@ -38,7 +38,7 @@ register::
for running in the background without disrupting foreground
processes.
+
-The `register` subcomand will also set the `maintenance.strategy` config
+The `register` subcommand will also set the `maintenance.strategy` config
value to `incremental`, if this value is not previously set. The
`incremental` strategy uses the following schedule for each maintenance
task:
@@ -101,7 +101,7 @@ This is done to avoid disrupting the remote-tracking branches. The end users
expect these refs to stay unmoved unless they initiate a fetch. With prefetch
task, however, the objects necessary to complete a later real fetch would
already be obtained, so the real fetch would go faster. In the ideal case,
-it will just become an update to bunch of remote-tracking branches without
+it will just become an update to a bunch of remote-tracking branches without
any object transfer.
gc::
@@ -145,6 +145,12 @@ incremental-repack::
which is a special case that attempts to repack all pack-files
into a single pack-file.
+pack-refs::
+ The `pack-refs` task collects the loose reference files and
+ collects them into a single file. This speeds up operations that
+ need to iterate across many references. See linkgit:git-pack-refs[1]
+ for more information.
+
OPTIONS
-------
--auto::
@@ -218,6 +224,122 @@ Further, the `git gc` command should not be combined with
but does not take the lock in the same way as `git maintenance run`. If
possible, use `git maintenance run --task=gc` instead of `git gc`.
+The following sections describe the mechanisms put in place to run
+background maintenance by `git maintenance start` and how to customize
+them.
+
+BACKGROUND MAINTENANCE ON POSIX SYSTEMS
+---------------------------------------
+
+The standard mechanism for scheduling background tasks on POSIX systems
+is cron(8). This tool executes commands based on a given schedule. The
+current list of user-scheduled tasks can be found by running `crontab -l`.
+The schedule written by `git maintenance start` is similar to this:
+
+-----------------------------------------------------------------------
+# BEGIN GIT MAINTENANCE SCHEDULE
+# The following schedule was created by Git
+# Any edits made in this region might be
+# replaced in the future by a Git command.
+
+0 1-23 * * * "/<path>/git" --exec-path="/<path>" for-each-repo --config=maintenance.repo maintenance run --schedule=hourly
+0 0 * * 1-6 "/<path>/git" --exec-path="/<path>" for-each-repo --config=maintenance.repo maintenance run --schedule=daily
+0 0 * * 0 "/<path>/git" --exec-path="/<path>" for-each-repo --config=maintenance.repo maintenance run --schedule=weekly
+
+# END GIT MAINTENANCE SCHEDULE
+-----------------------------------------------------------------------
+
+The comments are used as a region to mark the schedule as written by Git.
+Any modifications within this region will be completely deleted by
+`git maintenance stop` or overwritten by `git maintenance start`.
+
+The `crontab` entry specifies the full path of the `git` executable to
+ensure that the executed `git` command is the same one with which
+`git maintenance start` was issued independent of `PATH`. If the same user
+runs `git maintenance start` with multiple Git executables, then only the
+latest executable is used.
+
+These commands use `git for-each-repo --config=maintenance.repo` to run
+`git maintenance run --schedule=<frequency>` on each repository listed in
+the multi-valued `maintenance.repo` config option. These are typically
+loaded from the user-specific global config. The `git maintenance` process
+then determines which maintenance tasks are configured to run on each
+repository with each `<frequency>` using the `maintenance.<task>.schedule`
+config options. These values are loaded from the global or repository
+config values.
+
+If the config values are insufficient to achieve your desired background
+maintenance schedule, then you can create your own schedule. If you run
+`crontab -e`, then an editor will load with your user-specific `cron`
+schedule. In that editor, you can add your own schedule lines. You could
+start by adapting the default schedule listed earlier, or you could read
+the crontab(5) documentation for advanced scheduling techniques. Please
+do use the full path and `--exec-path` techniques from the default
+schedule to ensure you are executing the correct binaries in your
+schedule.
+
+
+BACKGROUND MAINTENANCE ON MACOS SYSTEMS
+---------------------------------------
+
+While macOS technically supports `cron`, using `crontab -e` requires
+elevated privileges and the executed process does not have a full user
+context. Without a full user context, Git and its credential helpers
+cannot access stored credentials, so some maintenance tasks are not
+functional.
+
+Instead, `git maintenance start` interacts with the `launchctl` tool,
+which is the recommended way to schedule timed jobs in macOS. Scheduling
+maintenance through `git maintenance (start|stop)` requires some
+`launchctl` features available only in macOS 10.11 or later.
+
+Your user-specific scheduled tasks are stored as XML-formatted `.plist`
+files in `~/Library/LaunchAgents/`. You can see the currently-registered
+tasks using the following command:
+
+-----------------------------------------------------------------------
+$ ls ~/Library/LaunchAgents/org.git-scm.git*
+org.git-scm.git.daily.plist
+org.git-scm.git.hourly.plist
+org.git-scm.git.weekly.plist
+-----------------------------------------------------------------------
+
+One task is registered for each `--schedule=<frequency>` option. To
+inspect how the XML format describes each schedule, open one of these
+`.plist` files in an editor and inspect the `<array>` element following
+the `<key>StartCalendarInterval</key>` element.
+
+`git maintenance start` will overwrite these files and register the
+tasks again with `launchctl`, so any customizations should be done by
+creating your own `.plist` files with distinct names. Similarly, the
+`git maintenance stop` command will unregister the tasks with `launchctl`
+and delete the `.plist` files.
+
+To create more advanced customizations to your background tasks, see
+launchctl.plist(5) for more information.
+
+
+BACKGROUND MAINTENANCE ON WINDOWS SYSTEMS
+-----------------------------------------
+
+Windows does not support `cron` and instead has its own system for
+scheduling background tasks. The `git maintenance start` command uses
+the `schtasks` command to submit tasks to this system. You can inspect
+all background tasks using the Task Scheduler application. The tasks
+added by Git have names of the form `Git Maintenance (<frequency>)`.
+The Task Scheduler GUI has ways to inspect these tasks, but you can also
+export the tasks to XML files and view the details there.
+
+Note that since Git is a console application, these background tasks
+create a console window visible to the current user. This can be changed
+manually by selecting the "Run whether user is logged in or not" option
+in Task Scheduler. This change requires a password input, which is why
+`git maintenance start` does not select it by default.
+
+If you want to customize the background tasks, please rename the tasks
+so future calls to `git maintenance (start|stop)` do not overwrite your
+custom tasks.
+
GIT
---
diff --git a/Documentation/git-mktag.txt b/Documentation/git-mktag.txt
index fa6a756..17a2603 100644
--- a/Documentation/git-mktag.txt
+++ b/Documentation/git-mktag.txt
@@ -3,7 +3,7 @@ git-mktag(1)
NAME
----
-git-mktag - Creates a tag object
+git-mktag - Creates a tag object with extra validation
SYNOPSIS
@@ -11,25 +11,52 @@ SYNOPSIS
[verse]
'git mktag'
+OPTIONS
+-------
+
+--strict::
+ By default mktag turns on the equivalent of
+ linkgit:git-fsck[1] `--strict` mode. Use `--no-strict` to
+ disable it.
+
DESCRIPTION
-----------
-Reads a tag contents on standard input and creates a tag object
-that can also be used to sign other objects.
-The output is the new tag's <object> identifier.
+Reads a tag contents on standard input and creates a tag object. The
+output is the new tag's <object> identifier.
+
+This command is mostly equivalent to linkgit:git-hash-object[1]
+invoked with `-t tag -w --stdin`. I.e. both of these will create and
+write a tag found in `my-tag`:
+
+ git mktag <my-tag
+ git hash-object -t tag -w --stdin <my-tag
+
+The difference is that mktag will die before writing the tag if the
+tag doesn't pass a linkgit:git-fsck[1] check.
+
+The "fsck" check done mktag is stricter than what linkgit:git-fsck[1]
+would run by default in that all `fsck.<msg-id>` messages are promoted
+from warnings to errors (so e.g. a missing "tagger" line is an error).
+
+Extra headers in the object are also an error under mktag, but ignored
+by linkgit:git-fsck[1]. This extra check can be turned off by setting
+the appropriate `fsck.<msg-id>` varible:
+
+ git -c fsck.extraHeaderEntry=ignore mktag <my-tag-with-headers
Tag Format
----------
A tag signature file, to be fed to this command's standard input,
has a very simple fixed format: four lines of
- object <sha1>
+ object <hash>
type <typename>
tag <tagname>
tagger <tagger>
followed by some 'optional' free-form message (some tags created
-by older Git may not have `tagger` line). The message, when
+by older Git may not have `tagger` line). The message, when it
exists, is separated by a blank line from the header. The
message part may contain a signature that Git itself doesn't
care about, but that can be verified with gpg.
diff --git a/Documentation/git-p4.txt b/Documentation/git-p4.txt
index ec233ac..f89e68b 100644
--- a/Documentation/git-p4.txt
+++ b/Documentation/git-p4.txt
@@ -397,7 +397,7 @@ changelist text. Exiting with a non-zero status from the script
will abort the process.
The purpose of the hook is to edit the message file in place,
-and it is not supressed by the `--no-verify` option. This hook
+and it is not suppressed by the `--no-verify` option. This hook
is called even if `--prepare-p4-only` is set.
p4-changelist
diff --git a/Documentation/git-pack-objects.txt b/Documentation/git-pack-objects.txt
index 54d715e..f85cb7e 100644
--- a/Documentation/git-pack-objects.txt
+++ b/Documentation/git-pack-objects.txt
@@ -400,6 +400,17 @@ Note that we pick a single island for each regex to go into, using "last
one wins" ordering (which allows repo-specific config to take precedence
over user-wide config, and so forth).
+
+CONFIGURATION
+-------------
+
+Various configuration variables affect packing, see
+linkgit:git-config[1] (search for "pack" and "delta").
+
+Notably, delta compression is not used on objects larger than the
+`core.bigFileThreshold` configuration variable and on files with the
+attribute `delta` set to false.
+
SEE ALSO
--------
linkgit:git-rev-list[1]
diff --git a/Documentation/git-range-diff.txt b/Documentation/git-range-diff.txt
index 9701c1e..fe350d7 100644
--- a/Documentation/git-range-diff.txt
+++ b/Documentation/git-range-diff.txt
@@ -10,6 +10,7 @@ SYNOPSIS
[verse]
'git range-diff' [--color=[<when>]] [--no-color] [<diff-options>]
[--no-dual-color] [--creation-factor=<factor>]
+ [--left-only | --right-only]
( <range1> <range2> | <rev1>...<rev2> | <base> <rev1> <rev2> )
DESCRIPTION
@@ -28,6 +29,17 @@ Finally, the list of matching commits is shown in the order of the
second commit range, with unmatched commits being inserted just after
all of their ancestors have been shown.
+There are three ways to specify the commit ranges:
+
+- `<range1> <range2>`: Either commit range can be of the form
+ `<base>..<rev>`, `<rev>^!` or `<rev>^-<n>`. See `SPECIFYING RANGES`
+ in linkgit:gitrevisions[7] for more details.
+
+- `<rev1>...<rev2>`. This is equivalent to
+ `<rev2>..<rev1> <rev1>..<rev2>`.
+
+- `<base> <rev1> <rev2>`: This is equivalent to `<base>..<rev1>
+ <base>..<rev2>`.
OPTIONS
-------
@@ -57,6 +69,14 @@ to revert to color all lines according to the outer diff markers
See the ``Algorithm`` section below for an explanation why this is
needed.
+--left-only::
+ Suppress commits that are missing from the first specified range
+ (or the "left range" when using the `<rev1>...<rev2>` format).
+
+--right-only::
+ Suppress commits that are missing from the second specified range
+ (or the "right range" when using the `<rev1>...<rev2>` format).
+
--[no-]notes[=<ref>]::
This flag is passed to the `git log` program
(see linkgit:git-log[1]) that generates the patches.
diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt
index 92f146d..fbd4b4a 100644
--- a/Documentation/git-repack.txt
+++ b/Documentation/git-repack.txt
@@ -165,9 +165,12 @@ depth is 4095.
Pass the `--delta-islands` option to `git-pack-objects`, see
linkgit:git-pack-objects[1].
-Configuration
+CONFIGURATION
-------------
+Various configuration variables affect packing, see
+linkgit:git-config[1] (search for "pack" and "delta").
+
By default, the command passes `--delta-base-offset` option to
'git pack-objects'; this typically results in slightly smaller packs,
but the generated packs are incompatible with versions of Git older than
@@ -178,6 +181,10 @@ need to set the configuration variable `repack.UseDeltaBaseOffset` to
is unaffected by this option as the conversion is performed on the fly
as needed in that case.
+Delta compression is not used on objects larger than the
+`core.bigFileThreshold` configuration variable and on files with the
+attribute `delta` set to false.
+
SEE ALSO
--------
linkgit:git-pack-objects[1]
diff --git a/Documentation/git-rev-list.txt b/Documentation/git-rev-list.txt
index 5da6623..20bb8e8 100644
--- a/Documentation/git-rev-list.txt
+++ b/Documentation/git-rev-list.txt
@@ -31,6 +31,99 @@ include::rev-list-options.txt[]
include::pretty-formats.txt[]
+EXAMPLES
+--------
+
+* Print the list of commits reachable from the current branch.
++
+----------
+git rev-list HEAD
+----------
+
+* Print the list of commits on this branch, but not present in the
+ upstream branch.
++
+----------
+git rev-list @{upstream}..HEAD
+----------
+
+* Format commits with their author and commit message (see also the
+ porcelain linkgit:git-log[1]).
++
+----------
+git rev-list --format=medium HEAD
+----------
+
+* Format commits along with their diffs (see also the porcelain
+ linkgit:git-log[1], which can do this in a single process).
++
+----------
+git rev-list HEAD |
+git diff-tree --stdin --format=medium -p
+----------
+
+* Print the list of commits on the current branch that touched any
+ file in the `Documentation` directory.
++
+----------
+git rev-list HEAD -- Documentation/
+----------
+
+* Print the list of commits authored by you in the past year, on
+ any branch, tag, or other ref.
++
+----------
+git rev-list --author=you@example.com --since=1.year.ago --all
+----------
+
+* Print the list of objects reachable from the current branch (i.e., all
+ commits and the blobs and trees they contain).
++
+----------
+git rev-list --objects HEAD
+----------
+
+* Compare the disk size of all reachable objects, versus those
+ reachable from reflogs, versus the total packed size. This can tell
+ you whether running `git repack -ad` might reduce the repository size
+ (by dropping unreachable objects), and whether expiring reflogs might
+ help.
++
+----------
+# reachable objects
+git rev-list --disk-usage --objects --all
+# plus reflogs
+git rev-list --disk-usage --objects --all --reflog
+# total disk size used
+du -c .git/objects/pack/*.pack .git/objects/??/*
+# alternative to du: add up "size" and "size-pack" fields
+git count-objects -v
+----------
+
+* Report the disk size of each branch, not including objects used by the
+ current branch. This can find outliers that are contributing to a
+ bloated repository size (e.g., because somebody accidentally committed
+ large build artifacts).
++
+----------
+git for-each-ref --format='%(refname)' |
+while read branch
+do
+ size=$(git rev-list --disk-usage --objects HEAD..$branch)
+ echo "$size $branch"
+done |
+sort -n
+----------
+
+* Compare the on-disk size of branches in one group of refs, excluding
+ another. If you co-mingle objects from multiple remotes in a single
+ repository, this can show which remotes are contributing to the
+ repository size (taking the size of `origin` as a baseline).
++
+----------
+git rev-list --disk-usage --objects --remotes=$suspect --not --remotes=origin
+----------
+
GIT
---
Part of the linkgit:git[1] suite
diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index 5013daa..6b8ca08 100644
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -212,6 +212,18 @@ Options for Files
Only the names of the variables are listed, not their value,
even if they are set.
+--path-format=(absolute|relative)::
+ Controls the behavior of certain other options. If specified as absolute, the
+ paths printed by those options will be absolute and canonical. If specified as
+ relative, the paths will be relative to the current working directory if that
+ is possible. The default is option specific.
++
+This option may be specified multiple times and affects only the arguments that
+follow it on the command line, either to the end of the command line or the next
+instance of this option.
+
+The following options are modified by `--path-format`:
+
--git-dir::
Show `$GIT_DIR` if defined. Otherwise show the path to
the .git directory. The path shown, when relative, is
@@ -221,27 +233,9 @@ If `$GIT_DIR` is not defined and the current directory
is not detected to lie in a Git repository or work tree
print a message to stderr and exit with nonzero status.
---absolute-git-dir::
- Like `--git-dir`, but its output is always the canonicalized
- absolute path.
-
--git-common-dir::
Show `$GIT_COMMON_DIR` if defined, else `$GIT_DIR`.
---is-inside-git-dir::
- When the current working directory is below the repository
- directory print "true", otherwise "false".
-
---is-inside-work-tree::
- When the current working directory is inside the work tree of the
- repository print "true", otherwise "false".
-
---is-bare-repository::
- When the repository is bare print "true", otherwise "false".
-
---is-shallow-repository::
- When the repository is shallow print "true", otherwise "false".
-
--resolve-git-dir <path>::
Check if <path> is a valid repository or a gitfile that
points at a valid repository, and print the location of the
@@ -255,19 +249,9 @@ print a message to stderr and exit with nonzero status.
$GIT_OBJECT_DIRECTORY is set to /foo/bar then "git rev-parse
--git-path objects/abc" returns /foo/bar/abc.
---show-cdup::
- When the command is invoked from a subdirectory, show the
- path of the top-level directory relative to the current
- directory (typically a sequence of "../", or an empty string).
-
---show-prefix::
- When the command is invoked from a subdirectory, show the
- path of the current directory relative to the top-level
- directory.
-
--show-toplevel::
- Show the absolute path of the top-level directory of the working
- tree. If there is no working tree, report an error.
+ Show the (by default, absolute) path of the top-level directory
+ of the working tree. If there is no working tree, report an error.
--show-superproject-working-tree::
Show the absolute path of the root of the superproject's
@@ -279,6 +263,36 @@ print a message to stderr and exit with nonzero status.
Show the path to the shared index file in split index mode, or
empty if not in split-index mode.
+The following options are unaffected by `--path-format`:
+
+--absolute-git-dir::
+ Like `--git-dir`, but its output is always the canonicalized
+ absolute path.
+
+--is-inside-git-dir::
+ When the current working directory is below the repository
+ directory print "true", otherwise "false".
+
+--is-inside-work-tree::
+ When the current working directory is inside the work tree of the
+ repository print "true", otherwise "false".
+
+--is-bare-repository::
+ When the repository is bare print "true", otherwise "false".
+
+--is-shallow-repository::
+ When the repository is shallow print "true", otherwise "false".
+
+--show-cdup::
+ When the command is invoked from a subdirectory, show the
+ path of the top-level directory relative to the current
+ directory (typically a sequence of "../", or an empty string).
+
+--show-prefix::
+ When the command is invoked from a subdirectory, show the
+ path of the current directory relative to the top-level
+ directory.
+
--show-object-format[=(storage|input|output)]::
Show the object format (hash algorithm) used for the repository
for storage inside the `.git` directory, input, or output. For
diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
index b7bbbea..93708ae 100644
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -494,10 +494,14 @@ edit ~/.gitconfig to specify your account settings:
smtpServerPort = 587
----
-If you have multifactor authentication setup on your gmail account, you will
+If you have multi-factor authentication set up on your Gmail account, you will
need to generate an app-specific password for use with 'git send-email'. Visit
https://security.google.com/settings/security/apppasswords to create it.
+If you do not have multi-factor authentication set up on your Gmail account,
+you will need to allow less secure app access. Visit
+https://myaccount.google.com/lesssecureapps to enable it.
+
Once your commits are ready to be sent to the mailing list, run the
following commands:
diff --git a/Documentation/git-shortlog.txt b/Documentation/git-shortlog.txt
index fd93cd4..c9c7f30 100644
--- a/Documentation/git-shortlog.txt
+++ b/Documentation/git-shortlog.txt
@@ -111,11 +111,11 @@ include::rev-list-options.txt[]
MAPPING AUTHORS
---------------
-The `.mailmap` feature is used to coalesce together commits by the same
-person in the shortlog, where their name and/or email address was
-spelled differently.
+See linkgit:gitmailmap[5].
-include::mailmap.txt[]
+Note that if `git shortlog` is run outside of a repository (to process
+log contents on standard input), it will look for a `.mailmap` file in
+the current directory.
GIT
---
diff --git a/Documentation/git-show.txt b/Documentation/git-show.txt
index fcf528c..2b1bc72 100644
--- a/Documentation/git-show.txt
+++ b/Documentation/git-show.txt
@@ -45,10 +45,13 @@ include::pretty-options.txt[]
include::pretty-formats.txt[]
-COMMON DIFF OPTIONS
--------------------
+DIFF FORMATTING
+---------------
+The options below can be used to change the way `git show` generates
+diff output.
:git-log: 1
+:diff-merges-default: `dense-combined`
include::diff-options.txt[]
include::diff-generate-patch.txt[]
diff --git a/Documentation/git-stash.txt b/Documentation/git-stash.txt
index 31f1beb..f1197d6 100644
--- a/Documentation/git-stash.txt
+++ b/Documentation/git-stash.txt
@@ -8,8 +8,8 @@ git-stash - Stash the changes in a dirty working directory away
SYNOPSIS
--------
[verse]
-'git stash' list [<options>]
-'git stash' show [<options>] [<stash>]
+'git stash' list [<log-options>]
+'git stash' show [<diff-options>] [<stash>]
'git stash' drop [-q|--quiet] [<stash>]
'git stash' ( pop | apply ) [--index] [-q|--quiet] [<stash>]
'git stash' branch <branchname> [<stash>]
@@ -67,7 +67,7 @@ save [-p|--patch] [-k|--[no-]keep-index] [-u|--include-untracked] [-a|--all] [-q
Instead, all non-option arguments are concatenated to form the stash
message.
-list [<options>]::
+list [<log-options>]::
List the stash entries that you currently have. Each 'stash entry' is
listed with its name (e.g. `stash@{0}` is the latest entry, `stash@{1}` is
@@ -83,7 +83,7 @@ stash@{1}: On master: 9cc0589... Add git-stash
The command takes options applicable to the 'git log'
command to control what is shown and how. See linkgit:git-log[1].
-show [<options>] [<stash>]::
+show [<diff-options>] [<stash>]::
Show the changes recorded in the stash entry as a diff between the
stashed contents and the commit back when the stash entry was first
diff --git a/Documentation/git-status.txt b/Documentation/git-status.txt
index 7731b45..83f38e3 100644
--- a/Documentation/git-status.txt
+++ b/Documentation/git-status.txt
@@ -130,7 +130,7 @@ ignored, then the directory is not shown, but all contents are shown.
--column[=<options>]::
--no-column::
Display untracked files in columns. See configuration variable
- column.status for option syntax.`--column` and `--no-column`
+ `column.status` for option syntax. `--column` and `--no-column`
without options are equivalent to 'always' and 'never'
respectively.
@@ -184,11 +184,26 @@ characters, that field will be quoted in the manner of a C string
literal: surrounded by ASCII double quote (34) characters, and with
interior special characters backslash-escaped.
-For paths with merge conflicts, `X` and `Y` show the modification
-states of each side of the merge. For paths that do not have merge
-conflicts, `X` shows the status of the index, and `Y` shows the status
-of the work tree. For untracked paths, `XY` are `??`. Other status
-codes can be interpreted as follows:
+There are three different types of states that are shown using this format, and
+each one uses the `XY` syntax differently:
+
+* When a merge is occurring and the merge was successful, or outside of a merge
+ situation, `X` shows the status of the index and `Y` shows the status of the
+ working tree.
+* When a merge conflict has occurred and has not yet been resolved, `X` and `Y`
+ show the state introduced by each head of the merge, relative to the common
+ ancestor. These paths are said to be _unmerged_.
+* When a path is untracked, `X` and `Y` are always the same, since they are
+ unknown to the index. `??` is used for untracked paths. Ignored files are
+ not listed unless `--ignored` is used; if it is, ignored files are indicated
+ by `!!`.
+
+Note that the term _merge_ here also includes rebases using the default
+`--merge` strategy, cherry-picks, and anything else using the merge machinery.
+
+In the following table, these three classes are shown in separate sections, and
+these characters are used for `X` and `Y` fields for the first two sections that
+show tracked paths:
* ' ' = unmodified
* 'M' = modified
@@ -198,9 +213,6 @@ codes can be interpreted as follows:
* 'C' = copied
* 'U' = updated but unmerged
-Ignored files are not listed, unless `--ignored` option is in effect,
-in which case `XY` are `!!`.
-
....
X Y Meaning
-------------------------------------------------
diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt
index 56656d1..31a97a1 100644
--- a/Documentation/git-tag.txt
+++ b/Documentation/git-tag.txt
@@ -134,7 +134,7 @@ options for details.
--column[=<options>]::
--no-column::
Display tag listing in columns. See configuration variable
- column.tag for option syntax.`--column` and `--no-column`
+ `column.tag` for option syntax. `--column` and `--no-column`
without options are equivalent to 'always' and 'never' respectively.
+
This option is only applicable when listing tags without annotation lines.
diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt
index 1489cb0..2853f16 100644
--- a/Documentation/git-update-index.txt
+++ b/Documentation/git-update-index.txt
@@ -30,9 +30,8 @@ SYNOPSIS
DESCRIPTION
-----------
-Modifies the index or directory cache. Each file mentioned is updated
-into the index and any 'unmerged' or 'needs updating' state is
-cleared.
+Modifies the index. Each file mentioned is updated into the index and
+any 'unmerged' or 'needs updating' state is cleared.
See also linkgit:git-add[1] for a more user-friendly way to do some of
the most common operations on the index.
diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index af06128..f1bb1fa 100644
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -97,8 +97,9 @@ list::
List details of each working tree. The main working tree is listed first,
followed by each of the linked working trees. The output details include
whether the working tree is bare, the revision currently checked out, the
-branch currently checked out (or "detached HEAD" if none), and "locked" if
-the worktree is locked.
+branch currently checked out (or "detached HEAD" if none), "locked" if
+the worktree is locked, "prunable" if the worktree can be pruned by `prune`
+command.
lock::
@@ -143,6 +144,11 @@ locate it. Running `repair` within the recently-moved working tree will
reestablish the connection. If multiple linked working trees are moved,
running `repair` from any working tree with each tree's new `<path>` as
an argument, will reestablish the connection to all the specified paths.
++
+If both the main working tree and linked working trees have been moved
+manually, then running `repair` in the main working tree and specifying the
+new `<path>` of each linked working tree will reestablish all connections
+in both directions.
unlock::
@@ -226,9 +232,14 @@ This can also be set up as the default behaviour by using the
-v::
--verbose::
With `prune`, report all removals.
++
+With `list`, output additional information about worktrees (see below).
--expire <time>::
With `prune`, only expire unused working trees older than `<time>`.
++
+With `list`, annotate missing working trees as prunable if they are
+older than `<time>`.
--reason <string>::
With `lock`, an explanation why the working tree is locked.
@@ -367,13 +378,46 @@ $ git worktree list
/path/to/other-linked-worktree 1234abc (detached HEAD)
------------
+The command also shows annotations for each working tree, according to its state.
+These annotations are:
+
+ * `locked`, if the working tree is locked.
+ * `prunable`, if the working tree can be pruned via `git worktree prune`.
+
+------------
+$ git worktree list
+/path/to/linked-worktree abcd1234 [master]
+/path/to/locked-worktreee acbd5678 (brancha) locked
+/path/to/prunable-worktree 5678abc (detached HEAD) prunable
+------------
+
+For these annotations, a reason might also be available and this can be
+seen using the verbose mode. The annotation is then moved to the next line
+indented followed by the additional information.
+
+------------
+$ git worktree list --verbose
+/path/to/linked-worktree abcd1234 [master]
+/path/to/locked-worktree-no-reason abcd5678 (detached HEAD) locked
+/path/to/locked-worktree-with-reason 1234abcd (brancha)
+ locked: working tree path is mounted on a portable device
+/path/to/prunable-worktree 5678abc1 (detached HEAD)
+ prunable: gitdir file points to non-existent location
+------------
+
+Note that the annotation is moved to the next line if the additional
+information is available, otherwise it stays on the same line as the
+working tree itself.
+
Porcelain Format
~~~~~~~~~~~~~~~~
The porcelain format has a line per attribute. Attributes are listed with a
label and value separated by a single space. Boolean attributes (like `bare`
and `detached`) are listed as a label only, and are present only
-if the value is true. The first attribute of a working tree is always
-`worktree`, an empty line indicates the end of the record. For example:
+if the value is true. Some attributes (like `locked`) can be listed as a label
+only or with a value depending upon whether a reason is available. The first
+attribute of a working tree is always `worktree`, an empty line indicates the
+end of the record. For example:
------------
$ git worktree list --porcelain
@@ -388,6 +432,33 @@ worktree /path/to/other-linked-worktree
HEAD 1234abc1234abc1234abc1234abc1234abc1234a
detached
+worktree /path/to/linked-worktree-locked-no-reason
+HEAD 5678abc5678abc5678abc5678abc5678abc5678c
+branch refs/heads/locked-no-reason
+locked
+
+worktree /path/to/linked-worktree-locked-with-reason
+HEAD 3456def3456def3456def3456def3456def3456b
+branch refs/heads/locked-with-reason
+locked reason why is locked
+
+worktree /path/to/linked-worktree-prunable
+HEAD 1233def1234def1234def1234def1234def1234b
+detached
+prunable gitdir file points to non-existent location
+
+------------
+
+If the lock reason contains "unusual" characters such as newline, they
+are escaped and the entire reason is quoted as explained for the
+configuration variable `core.quotePath` (see linkgit:git-config[1]).
+For Example:
+
+------------
+$ git worktree list --porcelain
+...
+locked "reason\nwhy is locked"
+...
------------
EXAMPLES
diff --git a/Documentation/git.txt b/Documentation/git.txt
index c463b93..3a9c449 100644
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -13,7 +13,7 @@ SYNOPSIS
[--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
[-p|--paginate|-P|--no-pager] [--no-replace-objects] [--bare]
[--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
- [--super-prefix=<path>]
+ [--super-prefix=<path>] [--config-env <name>=<envvar>]
<command> [<args>]
DESCRIPTION
@@ -80,6 +80,28 @@ config file). Including the equals but with an empty value (like `git -c
foo.bar= ...`) sets `foo.bar` to the empty string which `git config
--type=bool` will convert to `false`.
+--config-env=<name>=<envvar>::
+ Like `-c <name>=<value>`, give configuration variable
+ '<name>' a value, where <envvar> is the name of an
+ environment variable from which to retrieve the value. Unlike
+ `-c` there is no shortcut for directly setting the value to an
+ empty string, instead the environment variable itself must be
+ set to the empty string. It is an error if the `<envvar>` does not exist
+ in the environment. `<envvar>` may not contain an equals sign
+ to avoid ambiguity with `<name>` containing one.
++
+This is useful for cases where you want to pass transitory
+configuration options to git, but are doing so on OS's where
+other processes might be able to read your cmdline
+(e.g. `/proc/self/cmdline`), but not your environ
+(e.g. `/proc/self/environ`). That behavior is the default on
+Linux, but may not be on your system.
++
+Note that this might add security for variables such as
+`http.extraHeader` where the sensitive information is part of
+the value, but not e.g. `url.<base>.insteadOf` where the
+sensitive information can be part of the key.
+
--exec-path[=<path>]::
Path to wherever your core Git programs are installed.
This can also be controlled by setting the GIT_EXEC_PATH
@@ -609,8 +631,8 @@ other
`GIT_SEQUENCE_EDITOR`::
This environment variable overrides the configured Git editor
when editing the todo list of an interactive rebase. See also
- linkit::git-rebase[1] and the `sequence.editor` option in
- linkit::git-config[1].
+ linkgit:git-rebase[1] and the `sequence.editor` option in
+ linkgit:git-config[1].
`GIT_SSH`::
`GIT_SSH_COMMAND`::
diff --git a/Documentation/gitdiffcore.txt b/Documentation/gitdiffcore.txt
index c970d9f..1c72696 100644
--- a/Documentation/gitdiffcore.txt
+++ b/Documentation/gitdiffcore.txt
@@ -74,6 +74,7 @@ into another list. There are currently 5 such transformations:
- diffcore-merge-broken
- diffcore-pickaxe
- diffcore-order
+- diffcore-rotate
These are applied in sequence. The set of filepairs 'git diff-{asterisk}'
commands find are used as the input to diffcore-break, and
@@ -168,6 +169,26 @@ a similarity score different from the default of 50% by giving a
number after the "-M" or "-C" option (e.g. "-M8" to tell it to use
8/10 = 80%).
+Note that when rename detection is on but both copy and break
+detection are off, rename detection adds a preliminary step that first
+checks if files are moved across directories while keeping their
+filename the same. If there is a file added to a directory whose
+contents is sufficiently similar to a file with the same name that got
+deleted from a different directory, it will mark them as renames and
+exclude them from the later quadratic step (the one that pairwise
+compares all unmatched files to find the "best" matches, determined by
+the highest content similarity). So, for example, if a deleted
+docs/ext.txt and an added docs/config/ext.txt are similar enough, they
+will be marked as a rename and prevent an added docs/ext.md that may
+be even more similar to the deleted docs/ext.txt from being considered
+as the rename destination in the later step. For this reason, the
+preliminary "match same filename" step uses a bit higher threshold to
+mark a file pair as a rename and stop considering other candidates for
+better matches. At most, one comparison is done per file in this
+preliminary pass; so if there are several remaining ext.txt files
+throughout the directory hierarchy after exact rename detection, this
+preliminary step will be skipped for those files.
+
Note. When the "-C" option is used with `--find-copies-harder`
option, 'git diff-{asterisk}' commands feed unmodified filepairs to
diffcore mechanism as well as modified ones. This lets the copy
@@ -276,6 +297,26 @@ Documentation
t
------------------------------------------------
+diffcore-rotate: For Changing At Which Path Output Starts
+---------------------------------------------------------
+
+This transformation takes one pathname, and rotates the set of
+filepairs so that the filepair for the given pathname comes first,
+optionally discarding the paths that come before it. This is used
+to implement the `--skip-to` and the `--rotate-to` options. It is
+an error when the specified pathname is not in the set of filepairs,
+but it is not useful to error out when used with "git log" family of
+commands, because it is unreasonable to expect that a given path
+would be modified by each and every commit shown by the "git log"
+command. For this reason, when used with "git log", the filepair
+that sorts the same as, or the first one that sorts after, the given
+pathname is where the output starts.
+
+Use of this transformation combined with diffcore-order will produce
+unexpected results, as the input to this transformation is likely
+not sorted when diffcore-order is in effect.
+
+
SEE ALSO
--------
linkgit:git-diff[1],
diff --git a/Documentation/githooks.txt b/Documentation/githooks.txt
index ffccfc7..1f3b57d 100644
--- a/Documentation/githooks.txt
+++ b/Documentation/githooks.txt
@@ -644,7 +644,7 @@ changelist text. Exiting with a non-zero status from the script
will abort the process.
The purpose of the hook is to edit the message file in place,
-and it is not supressed by the `--no-verify` option. This hook
+and it is not suppressed by the `--no-verify` option. This hook
is called even if `--prepare-p4-only` is set.
Run `git-p4 submit --help` for details.
diff --git a/Documentation/gitmailmap.txt b/Documentation/gitmailmap.txt
new file mode 100644
index 0000000..3fb39f8
--- /dev/null
+++ b/Documentation/gitmailmap.txt
@@ -0,0 +1,123 @@
+gitmailmap(5)
+=============
+
+NAME
+----
+gitmailmap - Map author/committer names and/or E-Mail addresses
+
+SYNOPSIS
+--------
+$GIT_WORK_TREE/.mailmap
+
+
+DESCRIPTION
+-----------
+
+If the file `.mailmap` exists at the toplevel of the repository, or at
+the location pointed to by the `mailmap.file` or `mailmap.blob`
+configuration options (see linkgit:git-config[1]), it
+is used to map author and committer names and email addresses to
+canonical real names and email addresses.
+
+
+SYNTAX
+------
+
+The '#' character begins a comment to the end of line, blank lines
+are ignored.
+
+In the simple form, each line in the file consists of the canonical
+real name of an author, whitespace, and an email address used in the
+commit (enclosed by '<' and '>') to map to the name. For example:
+--
+ Proper Name <commit@email.xx>
+--
+
+The more complex forms are:
+--
+ <proper@email.xx> <commit@email.xx>
+--
+which allows mailmap to replace only the email part of a commit, and:
+--
+ Proper Name <proper@email.xx> <commit@email.xx>
+--
+which allows mailmap to replace both the name and the email of a
+commit matching the specified commit email address, and:
+--
+ Proper Name <proper@email.xx> Commit Name <commit@email.xx>
+--
+which allows mailmap to replace both the name and the email of a
+commit matching both the specified commit name and email address.
+
+Both E-Mails and names are matched case-insensitively. For example
+this would also match the 'Commit Name <commit&#64;email.xx>' above:
+--
+ Proper Name <proper@email.xx> CoMmIt NaMe <CoMmIt@EmAiL.xX>
+--
+
+EXAMPLES
+--------
+
+Your history contains commits by two authors, Jane
+and Joe, whose names appear in the repository under several forms:
+
+------------
+Joe Developer <joe@example.com>
+Joe R. Developer <joe@example.com>
+Jane Doe <jane@example.com>
+Jane Doe <jane@laptop.(none)>
+Jane D. <jane@desktop.(none)>
+------------
+
+Now suppose that Joe wants his middle name initial used, and Jane
+prefers her family name fully spelled out. A `.mailmap` file to
+correct the names would look like:
+
+------------
+Joe R. Developer <joe@example.com>
+Jane Doe <jane@example.com>
+Jane Doe <jane@desktop.(none)>
+------------
+
+Note that there's no need to map the name for '<jane&#64;laptop.(none)>' to
+only correct the names. However, leaving the obviously broken
+'<jane&#64;laptop.(none)>' and '<jane&#64;desktop.(none)>' E-Mails as-is is
+usually not what you want. A `.mailmap` file which also corrects those
+is:
+
+------------
+Joe R. Developer <joe@example.com>
+Jane Doe <jane@example.com> <jane@laptop.(none)>
+Jane Doe <jane@example.com> <jane@desktop.(none)>
+------------
+
+Finally, let's say that Joe and Jane shared an E-Mail address, but not
+a name, e.g. by having these two commits in the history generated by a
+bug reporting system. I.e. names appearing in history as:
+
+------------
+Joe <bugs@example.com>
+Jane <bugs@example.com>
+------------
+
+A full `.mailmap` file which also handles those cases (an addition of
+two lines to the above example) would be:
+
+------------
+Joe R. Developer <joe@example.com>
+Jane Doe <jane@example.com> <jane@laptop.(none)>
+Jane Doe <jane@example.com> <jane@desktop.(none)>
+Joe R. Developer <joe@example.com> Joe <bugs@example.com>
+Jane Doe <jane@example.com> Jane <bugs@example.com>
+------------
+
+
+
+SEE ALSO
+--------
+linkgit:git-check-mailmap[1]
+
+
+GIT
+---
+Part of the linkgit:git[1] suite
diff --git a/Documentation/gitmodules.txt b/Documentation/gitmodules.txt
index 539b4e1..8e333dd 100644
--- a/Documentation/gitmodules.txt
+++ b/Documentation/gitmodules.txt
@@ -7,7 +7,7 @@ gitmodules - Defining submodule properties
SYNOPSIS
--------
-$GIT_WORK_DIR/.gitmodules
+$GIT_WORK_TREE/.gitmodules
DESCRIPTION
@@ -27,19 +27,19 @@ submodule.<name>.path::
Defines the path, relative to the top-level directory of the Git
working tree, where the submodule is expected to be checked out.
The path name must not end with a `/`. All submodule paths must
- be unique within the .gitmodules file.
+ be unique within the `.gitmodules` file.
submodule.<name>.url::
Defines a URL from which the submodule repository can be cloned.
This may be either an absolute URL ready to be passed to
- linkgit:git-clone[1] or (if it begins with ./ or ../) a location
+ linkgit:git-clone[1] or (if it begins with `./` or `../`) a location
relative to the superproject's origin repository.
In addition, there are a number of optional keys:
submodule.<name>.update::
Defines the default update procedure for the named submodule,
- i.e. how the submodule is updated by "git submodule update"
+ i.e. how the submodule is updated by the `git submodule update`
command in the superproject. This is only used by `git
submodule init` to initialize the configuration variable of
the same name. Allowed values here are 'checkout', 'rebase',
@@ -49,7 +49,7 @@ submodule.<name>.update::
submodule.<name>.branch::
A remote branch name for tracking updates in the upstream submodule.
- If the option is not specified, it defaults to the remote 'HEAD'.
+ If the option is not specified, it defaults to the remote `HEAD`.
A special value of `.` is used to indicate that the name of the branch
in the submodule should be the same name as the current branch in the
current repository. See the `--remote` documentation in
@@ -57,14 +57,14 @@ submodule.<name>.branch::
submodule.<name>.fetchRecurseSubmodules::
This option can be used to control recursive fetching of this
- submodule. If this option is also present in the submodules entry in
- .git/config of the superproject, the setting there will override the
- one found in .gitmodules.
+ submodule. If this option is also present in the submodule's entry in
+ `.git/config` of the superproject, the setting there will override the
+ one found in `.gitmodules`.
Both settings can be overridden on the command line by using the
- "--[no-]recurse-submodules" option to "git fetch" and "git pull".
+ `--[no-]recurse-submodules` option to `git fetch` and `git pull`.
submodule.<name>.ignore::
- Defines under what circumstances "git status" and the diff family show
+ Defines under what circumstances `git status` and the diff family show
a submodule as modified. The following values are supported:
+
--
@@ -73,7 +73,7 @@ submodule.<name>.ignore::
been staged).
dirty;; All changes to the submodule's work tree will be ignored, only
- committed differences between the HEAD of the submodule and its
+ committed differences between the `HEAD` of the submodule and its
recorded state in the superproject are taken into account.
untracked;; Only untracked files in submodules will be ignored.
@@ -84,12 +84,12 @@ submodule.<name>.ignore::
differences, and modifications to tracked and untracked files are
shown. This is the default option.
-If this option is also present in the submodules entry in .git/config
+If this option is also present in the submodule's entry in `.git/config`
of the superproject, the setting there will override the one found in
-.gitmodules.
+`.gitmodules`.
Both settings can be overridden on the command line by using the
-"--ignore-submodules" option. The 'git submodule' commands are not
+`--ignore-submodules` option. The `git submodule` commands are not
affected by this setting.
--
@@ -102,7 +102,7 @@ submodule.<name>.shallow::
EXAMPLES
--------
-Consider the following .gitmodules file:
+Consider the following `.gitmodules` file:
----
[submodule "libfoo"]
diff --git a/Documentation/i18n.txt b/Documentation/i18n.txt
index 7e36e5b..6c6baee 100644
--- a/Documentation/i18n.txt
+++ b/Documentation/i18n.txt
@@ -38,7 +38,7 @@ mind.
a warning if the commit log message given to it does not look
like a valid UTF-8 string, unless you explicitly say your
project uses a legacy encoding. The way to say this is to
- have i18n.commitencoding in `.git/config` file, like this:
+ have `i18n.commitEncoding` in `.git/config` file, like this:
+
------------
[i18n]
diff --git a/Documentation/mailmap.txt b/Documentation/mailmap.txt
deleted file mode 100644
index 4a8c276..0000000
--- a/Documentation/mailmap.txt
+++ /dev/null
@@ -1,75 +0,0 @@
-If the file `.mailmap` exists at the toplevel of the repository, or at
-the location pointed to by the mailmap.file or mailmap.blob
-configuration options, it
-is used to map author and committer names and email addresses to
-canonical real names and email addresses.
-
-In the simple form, each line in the file consists of the canonical
-real name of an author, whitespace, and an email address used in the
-commit (enclosed by '<' and '>') to map to the name. For example:
---
- Proper Name <commit@email.xx>
---
-
-The more complex forms are:
---
- <proper@email.xx> <commit@email.xx>
---
-which allows mailmap to replace only the email part of a commit, and:
---
- Proper Name <proper@email.xx> <commit@email.xx>
---
-which allows mailmap to replace both the name and the email of a
-commit matching the specified commit email address, and:
---
- Proper Name <proper@email.xx> Commit Name <commit@email.xx>
---
-which allows mailmap to replace both the name and the email of a
-commit matching both the specified commit name and email address.
-
-Example 1: Your history contains commits by two authors, Jane
-and Joe, whose names appear in the repository under several forms:
-
-------------
-Joe Developer <joe@example.com>
-Joe R. Developer <joe@example.com>
-Jane Doe <jane@example.com>
-Jane Doe <jane@laptop.(none)>
-Jane D. <jane@desktop.(none)>
-------------
-
-Now suppose that Joe wants his middle name initial used, and Jane
-prefers her family name fully spelled out. A proper `.mailmap` file
-would look like:
-
-------------
-Jane Doe <jane@desktop.(none)>
-Joe R. Developer <joe@example.com>
-------------
-
-Note how there is no need for an entry for `<jane@laptop.(none)>`, because the
-real name of that author is already correct.
-
-Example 2: Your repository contains commits from the following
-authors:
-
-------------
-nick1 <bugs@company.xx>
-nick2 <bugs@company.xx>
-nick2 <nick2@company.xx>
-santa <me@company.xx>
-claus <me@company.xx>
-CTO <cto@coompany.xx>
-------------
-
-Then you might want a `.mailmap` file that looks like:
-------------
-<cto@company.xx> <cto@coompany.xx>
-Some Dude <some@dude.xx> nick1 <bugs@company.xx>
-Other Author <other@author.xx> nick2 <bugs@company.xx>
-Other Author <other@author.xx> <nick2@company.xx>
-Santa Claus <santa.claus@northpole.xx> <me@company.xx>
-------------
-
-Use hash '#' for comments that are either on their own line, or after
-the email address.
diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt
index 84bbc74..6b59e28 100644
--- a/Documentation/pretty-formats.txt
+++ b/Documentation/pretty-formats.txt
@@ -252,7 +252,15 @@ endif::git-rev-list[]
interpreted by
linkgit:git-interpret-trailers[1]. The
`trailers` string may be followed by a colon
- and zero or more comma-separated options:
+ and zero or more comma-separated options.
+ If any option is provided multiple times the
+ last occurance wins.
++
+The boolean options accept an optional value `[=<BOOL>]`. The values
+`true`, `false`, `on`, `off` etc. are all accepted. See the "boolean"
+sub-section in "EXAMPLES" in linkgit:git-config[1]. If a boolean
+option is given with no value, it's enabled.
++
** 'key=<K>': only show trailers with specified key. Matching is done
case-insensitively and trailing colon is optional. If option is
given multiple times trailer lines matching any of the keys are
@@ -261,27 +269,25 @@ endif::git-rev-list[]
desired it can be disabled with `only=false`. E.g.,
`%(trailers:key=Reviewed-by)` shows trailer lines with key
`Reviewed-by`.
-** 'only[=val]': select whether non-trailer lines from the trailer
- block should be included. The `only` keyword may optionally be
- followed by an equal sign and one of `true`, `on`, `yes` to omit or
- `false`, `off`, `no` to show the non-trailer lines. If option is
- given without value it is enabled. If given multiple times the last
- value is used.
+** 'only[=<BOOL>]': select whether non-trailer lines from the trailer
+ block should be included.
** 'separator=<SEP>': specify a separator inserted between trailer
lines. When this option is not given each trailer line is
terminated with a line feed character. The string SEP may contain
the literal formatting codes described above. To use comma as
separator one must use `%x2C` as it would otherwise be parsed as
- next option. If separator option is given multiple times only the
- last one is used. E.g., `%(trailers:key=Ticket,separator=%x2C )`
+ next option. E.g., `%(trailers:key=Ticket,separator=%x2C )`
shows all trailer lines whose key is "Ticket" separated by a comma
and a space.
-** 'unfold[=val]': make it behave as if interpret-trailer's `--unfold`
- option was given. In same way as to for `only` it can be followed
- by an equal sign and explicit value. E.g.,
+** 'unfold[=<BOOL>]': make it behave as if interpret-trailer's `--unfold`
+ option was given. E.g.,
`%(trailers:only,unfold=true)` unfolds and shows all trailer lines.
-** 'valueonly[=val]': skip over the key part of the trailer line and only
- show the value part. Also this optionally allows explicit value.
+** 'keyonly[=<BOOL>]': only show the key part of the trailer.
+** 'valueonly[=<BOOL>]': only show the value part of the trailer.
+** 'key_value_separator=<SEP>': specify a separator inserted between
+ trailer lines. When this option is not given each trailer key-value
+ pair is separated by ": ". Otherwise it shares the same semantics
+ as 'separator=<SEP>' above.
NOTE: Some placeholders may depend on other options given to the
revision traversal engine. For example, the `%g*` reflog options will
diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index 0023790..b1c8f86 100644
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -129,6 +129,11 @@ parents) and `--max-parents=-1` (negative numbers denote no upper limit).
adjusting to updated upstream from time to time, and
this option allows you to ignore the individual commits
brought in to your history by such a merge.
+ifdef::git-log[]
++
+This option also changes default diff format for merge commits
+to `first-parent`, see `--diff-merges=first-parent` for details.
+endif::git-log[]
--not::
Reverses the meaning of the '{caret}' prefix (or lack thereof)
@@ -222,6 +227,15 @@ ifdef::git-rev-list[]
test the exit status to see if a range of objects is fully
connected (or not). It is faster than redirecting stdout
to `/dev/null` as the output does not have to be formatted.
+
+--disk-usage::
+ Suppress normal output; instead, print the sum of the bytes used
+ for on-disk storage by the selected commits or objects. This is
+ equivalent to piping the output into `git cat-file
+ --batch-check='%(objectsize:disk)'`, except that it runs much
+ faster (especially with `--use-bitmap-index`). See the `CAVEATS`
+ section in linkgit:git-cat-file[1] for the limitations of what
+ "on-disk storage" means.
endif::git-rev-list[]
--cherry-mark::
diff --git a/Documentation/technical/chunk-format.txt b/Documentation/technical/chunk-format.txt
new file mode 100644
index 0000000..593614f
--- /dev/null
+++ b/Documentation/technical/chunk-format.txt
@@ -0,0 +1,116 @@
+Chunk-based file formats
+========================
+
+Some file formats in Git use a common concept of "chunks" to describe
+sections of the file. This allows structured access to a large file by
+scanning a small "table of contents" for the remaining data. This common
+format is used by the `commit-graph` and `multi-pack-index` files. See
+link:technical/pack-format.html[the `multi-pack-index` format] and
+link:technical/commit-graph-format.html[the `commit-graph` format] for
+how they use the chunks to describe structured data.
+
+A chunk-based file format begins with some header information custom to
+that format. That header should include enough information to identify
+the file type, format version, and number of chunks in the file. From this
+information, that file can determine the start of the chunk-based region.
+
+The chunk-based region starts with a table of contents describing where
+each chunk starts and ends. This consists of (C+1) rows of 12 bytes each,
+where C is the number of chunks. Consider the following table:
+
+ | Chunk ID (4 bytes) | Chunk Offset (8 bytes) |
+ |--------------------|------------------------|
+ | ID[0] | OFFSET[0] |
+ | ... | ... |
+ | ID[C] | OFFSET[C] |
+ | 0x0000 | OFFSET[C+1] |
+
+Each row consists of a 4-byte chunk identifier (ID) and an 8-byte offset.
+Each integer is stored in network-byte order.
+
+The chunk identifier `ID[i]` is a label for the data stored within this
+fill from `OFFSET[i]` (inclusive) to `OFFSET[i+1]` (exclusive). Thus, the
+size of the `i`th chunk is equal to the difference between `OFFSET[i+1]`
+and `OFFSET[i]`. This requires that the chunk data appears contiguously
+in the same order as the table of contents.
+
+The final entry in the table of contents must be four zero bytes. This
+confirms that the table of contents is ending and provides the offset for
+the end of the chunk-based data.
+
+Note: The chunk-based format expects that the file contains _at least_ a
+trailing hash after `OFFSET[C+1]`.
+
+Functions for working with chunk-based file formats are declared in
+`chunk-format.h`. Using these methods provide extra checks that assist
+developers when creating new file formats.
+
+Writing chunk-based file formats
+--------------------------------
+
+To write a chunk-based file format, create a `struct chunkfile` by
+calling `init_chunkfile()` and pass a `struct hashfile` pointer. The
+caller is responsible for opening the `hashfile` and writing header
+information so the file format is identifiable before the chunk-based
+format begins.
+
+Then, call `add_chunk()` for each chunk that is intended for write. This
+populates the `chunkfile` with information about the order and size of
+each chunk to write. Provide a `chunk_write_fn` function pointer to
+perform the write of the chunk data upon request.
+
+Call `write_chunkfile()` to write the table of contents to the `hashfile`
+followed by each of the chunks. This will verify that each chunk wrote
+the expected amount of data so the table of contents is correct.
+
+Finally, call `free_chunkfile()` to clear the `struct chunkfile` data. The
+caller is responsible for finalizing the `hashfile` by writing the trailing
+hash and closing the file.
+
+Reading chunk-based file formats
+--------------------------------
+
+To read a chunk-based file format, the file must be opened as a
+memory-mapped region. The chunk-format API expects that the entire file
+is mapped as a contiguous memory region.
+
+Initialize a `struct chunkfile` pointer with `init_chunkfile(NULL)`.
+
+After reading the header information from the beginning of the file,
+including the chunk count, call `read_table_of_contents()` to populate
+the `struct chunkfile` with the list of chunks, their offsets, and their
+sizes.
+
+Extract the data information for each chunk using `pair_chunk()` or
+`read_chunk()`:
+
+* `pair_chunk()` assigns a given pointer with the location inside the
+ memory-mapped file corresponding to that chunk's offset. If the chunk
+ does not exist, then the pointer is not modified.
+
+* `read_chunk()` takes a `chunk_read_fn` function pointer and calls it
+ with the appropriate initial pointer and size information. The function
+ is not called if the chunk does not exist. Use this method to read chunks
+ if you need to perform immediate parsing or if you need to execute logic
+ based on the size of the chunk.
+
+After calling these methods, call `free_chunkfile()` to clear the
+`struct chunkfile` data. This will not close the memory-mapped region.
+Callers are expected to own that data for the timeframe the pointers into
+the region are needed.
+
+Examples
+--------
+
+These file formats use the chunk-format API, and can be used as examples
+for future formats:
+
+* *commit-graph:* see `write_commit_graph_file()` and `parse_commit_graph()`
+ in `commit-graph.c` for how the chunk-format API is used to write and
+ parse the commit-graph file format documented in
+ link:technical/commit-graph-format.html[the commit-graph file format].
+
+* *multi-pack-index:* see `write_midx_internal()` and `load_multi_pack_index()`
+ in `midx.c` for how the chunk-format API is used to write and
+ parse the multi-pack-index file format documented in
+ link:technical/pack-format.html[the multi-pack-index file format].
diff --git a/Documentation/technical/commit-graph-format.txt b/Documentation/technical/commit-graph-format.txt
index b3b5888..87971c2 100644
--- a/Documentation/technical/commit-graph-format.txt
+++ b/Documentation/technical/commit-graph-format.txt
@@ -4,11 +4,7 @@ Git commit graph format
The Git commit graph stores a list of commit OIDs and some associated
metadata, including:
-- The generation number of the commit. Commits with no parents have
- generation number 1; commits with parents have generation number
- one more than the maximum generation number of its parents. We
- reserve zero as special, and can be used to mark a generation
- number invalid or as "not computed".
+- The generation number of the commit.
- The root tree OID.
@@ -65,6 +61,9 @@ CHUNK LOOKUP:
the length using the next chunk position if necessary.) Each chunk
ID appears at most once.
+ The CHUNK LOOKUP matches the table of contents from
+ link:technical/chunk-format.html[the chunk-based file format].
+
The remaining data in the body is described one chunk at a time, and
these chunks may be given in any order. Chunks are required unless
otherwise specified.
@@ -86,13 +85,33 @@ CHUNK DATA:
position. If there are more than two parents, the second value
has its most-significant bit on and the other bits store an array
position into the Extra Edge List chunk.
- * The next 8 bytes store the generation number of the commit and
+ * The next 8 bytes store the topological level (generation number v1)
+ of the commit and
the commit time in seconds since EPOCH. The generation number
uses the higher 30 bits of the first 4 bytes, while the commit
time uses the 32 bits of the second 4 bytes, along with the lowest
2 bits of the lowest byte, storing the 33rd and 34th bit of the
commit time.
+ Generation Data (ID: {'G', 'D', 'A', 'T' }) (N * 4 bytes) [Optional]
+ * This list of 4-byte values store corrected commit date offsets for the
+ commits, arranged in the same order as commit data chunk.
+ * If the corrected commit date offset cannot be stored within 31 bits,
+ the value has its most-significant bit on and the other bits store
+ the position of corrected commit date into the Generation Data Overflow
+ chunk.
+ * Generation Data chunk is present only when commit-graph file is written
+ by compatible versions of Git and in case of split commit-graph chains,
+ the topmost layer also has Generation Data chunk.
+
+ Generation Data Overflow (ID: {'G', 'D', 'O', 'V' }) [Optional]
+ * This list of 8-byte values stores the corrected commit date offsets
+ for commits with corrected commit date offsets that cannot be
+ stored within 31 bits.
+ * Generation Data Overflow chunk is present only when Generation Data
+ chunk is present and atleast one corrected commit date offset cannot
+ be stored within 31 bits.
+
Extra Edge List (ID: {'E', 'D', 'G', 'E'}) [Optional]
This list of 4-byte values store the second through nth parents for
all octopus merges. The second parent value in the commit data stores
diff --git a/Documentation/technical/commit-graph.txt b/Documentation/technical/commit-graph.txt
index f14a765..f05e7bd 100644
--- a/Documentation/technical/commit-graph.txt
+++ b/Documentation/technical/commit-graph.txt
@@ -38,14 +38,31 @@ A consumer may load the following info for a commit from the graph:
Values 1-4 satisfy the requirements of parse_commit_gently().
-Define the "generation number" of a commit recursively as follows:
+There are two definitions of generation number:
+1. Corrected committer dates (generation number v2)
+2. Topological levels (generation nummber v1)
- * A commit with no parents (a root commit) has generation number one.
+Define "corrected committer date" of a commit recursively as follows:
- * A commit with at least one parent has generation number one more than
- the largest generation number among its parents.
+ * A commit with no parents (a root commit) has corrected committer date
+ equal to its committer date.
-Equivalently, the generation number of a commit A is one more than the
+ * A commit with at least one parent has corrected committer date equal to
+ the maximum of its commiter date and one more than the largest corrected
+ committer date among its parents.
+
+ * As a special case, a root commit with timestamp zero has corrected commit
+ date of 1, to be able to distinguish it from GENERATION_NUMBER_ZERO
+ (that is, an uncomputed corrected commit date).
+
+Define the "topological level" of a commit recursively as follows:
+
+ * A commit with no parents (a root commit) has topological level of one.
+
+ * A commit with at least one parent has topological level one more than
+ the largest topological level among its parents.
+
+Equivalently, the topological level of a commit A is one more than the
length of a longest path from A to a root commit. The recursive definition
is easier to use for computation and observing the following property:
@@ -60,6 +77,9 @@ is easier to use for computation and observing the following property:
generation numbers, then we always expand the boundary commit with highest
generation number and can easily detect the stopping condition.
+The property applies to both versions of generation number, that is both
+corrected committer dates and topological levels.
+
This property can be used to significantly reduce the time it takes to
walk commits and determine topological relationships. Without generation
numbers, the general heuristic is the following:
@@ -67,7 +87,9 @@ numbers, the general heuristic is the following:
If A and B are commits with commit time X and Y, respectively, and
X < Y, then A _probably_ cannot reach B.
-This heuristic is currently used whenever the computation is allowed to
+In absence of corrected commit dates (for example, old versions of Git or
+mixed generation graph chains),
+this heuristic is currently used whenever the computation is allowed to
violate topological relationships due to clock skew (such as "git log"
with default order), but is not used when the topological order is
required (such as merge base calculations, "git log --graph").
@@ -77,7 +99,7 @@ in the commit graph. We can treat these commits as having "infinite"
generation number and walk until reaching commits with known generation
number.
-We use the macro GENERATION_NUMBER_INFINITY = 0xFFFFFFFF to mark commits not
+We use the macro GENERATION_NUMBER_INFINITY to mark commits not
in the commit-graph file. If a commit-graph file was written by a version
of Git that did not compute generation numbers, then those commits will
have generation number represented by the macro GENERATION_NUMBER_ZERO = 0.
@@ -93,12 +115,12 @@ fully-computed generation numbers. Using strict inequality may result in
walking a few extra commits, but the simplicity in dealing with commits
with generation number *_INFINITY or *_ZERO is valuable.
-We use the macro GENERATION_NUMBER_MAX = 0x3FFFFFFF to for commits whose
-generation numbers are computed to be at least this value. We limit at
-this value since it is the largest value that can be stored in the
-commit-graph file using the 30 bits available to generation numbers. This
-presents another case where a commit can have generation number equal to
-that of a parent.
+We use the macro GENERATION_NUMBER_V1_MAX = 0x3FFFFFFF for commits whose
+topological levels (generation number v1) are computed to be at least
+this value. We limit at this value since it is the largest value that
+can be stored in the commit-graph file using the 30 bits available
+to topological levels. This presents another case where a commit can
+have generation number equal to that of a parent.
Design Details
--------------
@@ -267,6 +289,35 @@ The merge strategy values (2 for the size multiple, 64,000 for the maximum
number of commits) could be extracted into config settings for full
flexibility.
+## Handling Mixed Generation Number Chains
+
+With the introduction of generation number v2 and generation data chunk, the
+following scenario is possible:
+
+1. "New" Git writes a commit-graph with the corrected commit dates.
+2. "Old" Git writes a split commit-graph on top without corrected commit dates.
+
+A naive approach of using the newest available generation number from
+each layer would lead to violated expectations: the lower layer would
+use corrected commit dates which are much larger than the topological
+levels of the higher layer. For this reason, Git inspects the topmost
+layer to see if the layer is missing corrected commit dates. In such a case
+Git only uses topological level for generation numbers.
+
+When writing a new layer in split commit-graph, we write corrected commit
+dates if the topmost layer has corrected commit dates written. This
+guarantees that if a layer has corrected commit dates, all lower layers
+must have corrected commit dates as well.
+
+When merging layers, we do not consider whether the merged layers had corrected
+commit dates. Instead, the new layer will have corrected commit dates if the
+layer below the new layer has corrected commit dates.
+
+While writing or merging layers, if the new layer is the only layer, it will
+have corrected commit dates when written by compatible versions of Git. Thus,
+rewriting split commit-graph as a single file (`--split=replace`) creates a
+single layer with corrected commit dates.
+
## Deleting graph-{hash} files
After a new tip file is written, some `graph-{hash}` files may no longer
diff --git a/Documentation/technical/hash-function-transition.txt b/Documentation/technical/hash-function-transition.txt
index 6fd20eb..7c1630b 100644
--- a/Documentation/technical/hash-function-transition.txt
+++ b/Documentation/technical/hash-function-transition.txt
@@ -33,16 +33,9 @@ researchers. On 23 February 2017 the SHAttered attack
Git v2.13.0 and later subsequently moved to a hardened SHA-1
implementation by default, which isn't vulnerable to the SHAttered
-attack.
+attack, but SHA-1 is still weak.
-Thus Git has in effect already migrated to a new hash that isn't SHA-1
-and doesn't share its vulnerabilities, its new hash function just
-happens to produce exactly the same output for all known inputs,
-except two PDFs published by the SHAttered researchers, and the new
-implementation (written by those researchers) claims to detect future
-cryptanalytic collision attacks.
-
-Regardless, it's considered prudent to move past any variant of SHA-1
+Thus it's considered prudent to move past any variant of SHA-1
to a new hash. There's no guarantee that future attacks on SHA-1 won't
be published in the future, and those attacks may not have viable
mitigations.
@@ -57,6 +50,38 @@ SHA-1 still possesses the other properties such as fast object lookup
and safe error checking, but other hash functions are equally suitable
that are believed to be cryptographically secure.
+Choice of Hash
+--------------
+The hash to replace the hardened SHA-1 should be stronger than SHA-1
+was: we would like it to be trustworthy and useful in practice for at
+least 10 years.
+
+Some other relevant properties:
+
+1. A 256-bit hash (long enough to match common security practice; not
+ excessively long to hurt performance and disk usage).
+
+2. High quality implementations should be widely available (e.g., in
+ OpenSSL and Apple CommonCrypto).
+
+3. The hash function's properties should match Git's needs (e.g. Git
+ requires collision and 2nd preimage resistance and does not require
+ length extension resistance).
+
+4. As a tiebreaker, the hash should be fast to compute (fortunately
+ many contenders are faster than SHA-1).
+
+There were several contenders for a successor hash to SHA-1, including
+SHA-256, SHA-512/256, SHA-256x16, K12, and BLAKE2bp-256.
+
+In late 2018 the project picked SHA-256 as its successor hash.
+
+See 0ed8d8da374 (doc hash-function-transition: pick SHA-256 as
+NewHash, 2018-08-04) and numerous mailing list threads at the time,
+particularly the one starting at
+https://lore.kernel.org/git/20180609224913.GC38834@genre.crustytoothpaste.net/
+for more information.
+
Goals
-----
1. The transition to SHA-256 can be done one local repository at a time.
@@ -94,7 +119,7 @@ Overview
--------
We introduce a new repository format extension. Repositories with this
extension enabled use SHA-256 instead of SHA-1 to name their objects.
-This affects both object names and object content --- both the names
+This affects both object names and object content -- both the names
of objects and all references to other objects within an object are
switched to the new hash function.
@@ -107,7 +132,7 @@ mapping to allow naming objects using either their SHA-1 and SHA-256 names
interchangeably.
"git cat-file" and "git hash-object" gain options to display an object
-in its sha1 form and write an object given its sha1 form. This
+in its SHA-1 form and write an object given its SHA-1 form. This
requires all objects referenced by that object to be present in the
object database so that they can be named using the appropriate name
(using the bidirectional hash mapping).
@@ -115,7 +140,7 @@ object database so that they can be named using the appropriate name
Fetches from a SHA-1 based server convert the fetched objects into
SHA-256 form and record the mapping in the bidirectional mapping table
(see below for details). Pushes to a SHA-1 based server convert the
-objects being pushed into sha1 form so the server does not have to be
+objects being pushed into SHA-1 form so the server does not have to be
aware of the hash function the client is using.
Detailed Design
@@ -151,38 +176,38 @@ repository extensions.
Object names
~~~~~~~~~~~~
-Objects can be named by their 40 hexadecimal digit sha1-name or 64
-hexadecimal digit sha256-name, plus names derived from those (see
+Objects can be named by their 40 hexadecimal digit SHA-1 name or 64
+hexadecimal digit SHA-256 name, plus names derived from those (see
gitrevisions(7)).
-The sha1-name of an object is the SHA-1 of the concatenation of its
-type, length, a nul byte, and the object's sha1-content. This is the
+The SHA-1 name of an object is the SHA-1 of the concatenation of its
+type, length, a nul byte, and the object's SHA-1 content. This is the
traditional <sha1> used in Git to name objects.
-The sha256-name of an object is the SHA-256 of the concatenation of its
-type, length, a nul byte, and the object's sha256-content.
+The SHA-256 name of an object is the SHA-256 of the concatenation of its
+type, length, a nul byte, and the object's SHA-256 content.
Object format
~~~~~~~~~~~~~
The content as a byte sequence of a tag, commit, or tree object named
-by sha1 and sha256 differ because an object named by sha256-name refers to
-other objects by their sha256-names and an object named by sha1-name
-refers to other objects by their sha1-names.
+by SHA-1 and SHA-256 differ because an object named by SHA-256 name refers to
+other objects by their SHA-256 names and an object named by SHA-1 name
+refers to other objects by their SHA-1 names.
-The sha256-content of an object is the same as its sha1-content, except
-that objects referenced by the object are named using their sha256-names
-instead of sha1-names. Because a blob object does not refer to any
-other object, its sha1-content and sha256-content are the same.
+The SHA-256 content of an object is the same as its SHA-1 content, except
+that objects referenced by the object are named using their SHA-256 names
+instead of SHA-1 names. Because a blob object does not refer to any
+other object, its SHA-1 content and SHA-256 content are the same.
-The format allows round-trip conversion between sha256-content and
-sha1-content.
+The format allows round-trip conversion between SHA-256 content and
+SHA-1 content.
Object storage
~~~~~~~~~~~~~~
Loose objects use zlib compression and packed objects use the packed
format described in Documentation/technical/pack-format.txt, just like
-today. The content that is compressed and stored uses sha256-content
-instead of sha1-content.
+today. The content that is compressed and stored uses SHA-256 content
+instead of SHA-1 content.
Pack index
~~~~~~~~~~
@@ -191,21 +216,21 @@ hash functions. They have the following format (all integers are in
network byte order):
- A header appears at the beginning and consists of the following:
- - The 4-byte pack index signature: '\377t0c'
- - 4-byte version number: 3
- - 4-byte length of the header section, including the signature and
+ * The 4-byte pack index signature: '\377t0c'
+ * 4-byte version number: 3
+ * 4-byte length of the header section, including the signature and
version number
- - 4-byte number of objects contained in the pack
- - 4-byte number of object formats in this pack index: 2
- - For each object format:
- - 4-byte format identifier (e.g., 'sha1' for SHA-1)
- - 4-byte length in bytes of shortened object names. This is the
+ * 4-byte number of objects contained in the pack
+ * 4-byte number of object formats in this pack index: 2
+ * For each object format:
+ ** 4-byte format identifier (e.g., 'sha1' for SHA-1)
+ ** 4-byte length in bytes of shortened object names. This is the
shortest possible length needed to make names in the shortened
object name table unambiguous.
- - 4-byte integer, recording where tables relating to this format
+ ** 4-byte integer, recording where tables relating to this format
are stored in this index file, as an offset from the beginning.
- - 4-byte offset to the trailer from the beginning of this file.
- - Zero or more additional key/value pairs (4-byte key, 4-byte
+ * 4-byte offset to the trailer from the beginning of this file.
+ * Zero or more additional key/value pairs (4-byte key, 4-byte
value). Only one key is supported: 'PSRC'. See the "Loose objects
and unreachable objects" section for supported values and how this
is used. All other keys are reserved. Readers must ignore
@@ -213,37 +238,36 @@ network byte order):
- Zero or more NUL bytes. This can optionally be used to improve the
alignment of the full object name table below.
- Tables for the first object format:
- - A sorted table of shortened object names. These are prefixes of
+ * A sorted table of shortened object names. These are prefixes of
the names of all objects in this pack file, packed together
without offset values to reduce the cache footprint of the binary
search for a specific object name.
- - A table of full object names in pack order. This allows resolving
+ * A table of full object names in pack order. This allows resolving
a reference to "the nth object in the pack file" (from a
reachability bitmap or from the next table of another object
format) to its object name.
- - A table of 4-byte values mapping object name order to pack order.
+ * A table of 4-byte values mapping object name order to pack order.
For an object in the table of sorted shortened object names, the
value at the corresponding index in this table is the index in the
previous table for that same object.
-
This can be used to look up the object in reachability bitmaps or
to look up its name in another object format.
- - A table of 4-byte CRC32 values of the packed object data, in the
+ * A table of 4-byte CRC32 values of the packed object data, in the
order that the objects appear in the pack file. This is to allow
compressed data to be copied directly from pack to pack during
repacking without undetected data corruption.
- - A table of 4-byte offset values. For an object in the table of
+ * A table of 4-byte offset values. For an object in the table of
sorted shortened object names, the value at the corresponding
index in this table indicates where that object can be found in
the pack file. These are usually 31-bit pack file offsets, but
large offsets are encoded as an index into the next table with the
most significant bit set.
- - A table of 8-byte offset entries (empty for pack files less than
+ * A table of 8-byte offset entries (empty for pack files less than
2 GiB). Pack files are organized with heavily used objects toward
the front, so most object references should not need to refer to
this table.
@@ -252,10 +276,10 @@ network byte order):
up to and not including the table of CRC32 values.
- Zero or more NUL bytes.
- The trailer consists of the following:
- - A copy of the 20-byte SHA-256 checksum at the end of the
+ * A copy of the 20-byte SHA-256 checksum at the end of the
corresponding packfile.
- - 20-byte SHA-256 checksum of all of the above.
+ * 20-byte SHA-256 checksum of all of the above.
Loose object index
~~~~~~~~~~~~~~~~~~
@@ -288,18 +312,18 @@ To remove entries (e.g. in "git pack-refs" or "git-prune"):
Translation table
~~~~~~~~~~~~~~~~~
-The index files support a bidirectional mapping between sha1-names
-and sha256-names. The lookup proceeds similarly to ordinary object
-lookups. For example, to convert a sha1-name to a sha256-name:
+The index files support a bidirectional mapping between SHA-1 names
+and SHA-256 names. The lookup proceeds similarly to ordinary object
+lookups. For example, to convert a SHA-1 name to a SHA-256 name:
1. Look for the object in idx files. If a match is present in the
- idx's sorted list of truncated sha1-names, then:
- a. Read the corresponding entry in the sha1-name order to pack
+ idx's sorted list of truncated SHA-1 names, then:
+ a. Read the corresponding entry in the SHA-1 name order to pack
name order mapping.
- b. Read the corresponding entry in the full sha1-name table to
+ b. Read the corresponding entry in the full SHA-1 name table to
verify we found the right object. If it is, then
- c. Read the corresponding entry in the full sha256-name table.
- That is the object's sha256-name.
+ c. Read the corresponding entry in the full SHA-256 name table.
+ That is the object's SHA-256 name.
2. Check for a loose object. Read lines from loose-object-idx until
we find a match.
@@ -313,10 +337,10 @@ Since all operations that make new objects (e.g., "git commit") add
the new objects to the corresponding index, this mapping is possible
for all objects in the object store.
-Reading an object's sha1-content
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-The sha1-content of an object can be read by converting all sha256-names
-its sha256-content references to sha1-names using the translation table.
+Reading an object's SHA-1 content
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+The SHA-1 content of an object can be read by converting all SHA-256 names
+of its SHA-256 content references to SHA-1 names using the translation table.
Fetch
~~~~~
@@ -339,7 +363,7 @@ the following steps:
1. index-pack: inflate each object in the packfile and compute its
SHA-1. Objects can contain deltas in OBJ_REF_DELTA format against
objects the client has locally. These objects can be looked up
- using the translation table and their sha1-content read as
+ using the translation table and their SHA-1 content read as
described above to resolve the deltas.
2. topological sort: starting at the "want"s from the negotiation
phase, walk through objects in the pack and emit a list of them,
@@ -348,12 +372,12 @@ the following steps:
(This list only contains objects reachable from the "wants". If the
pack from the server contained additional extraneous objects, then
they will be discarded.)
-3. convert to sha256: open a new (sha256) packfile. Read the topologically
+3. convert to SHA-256: open a new SHA-256 packfile. Read the topologically
sorted list just generated. For each object, inflate its
- sha1-content, convert to sha256-content, and write it to the sha256
- pack. Record the new sha1<->sha256 mapping entry for use in the idx.
+ SHA-1 content, convert to SHA-256 content, and write it to the SHA-256
+ pack. Record the new SHA-1<-->SHA-256 mapping entry for use in the idx.
4. sort: reorder entries in the new pack to match the order of objects
- in the pack the server generated and include blobs. Write a sha256 idx
+ in the pack the server generated and include blobs. Write a SHA-256 idx
file
5. clean up: remove the SHA-1 based pack file, index, and
topologically sorted list obtained from the server in steps 1
@@ -378,19 +402,20 @@ experimenting to get this to perform well.
Push
~~~~
Push is simpler than fetch because the objects referenced by the
-pushed objects are already in the translation table. The sha1-content
+pushed objects are already in the translation table. The SHA-1 content
of each object being pushed can be read as described in the "Reading
-an object's sha1-content" section to generate the pack written by git
+an object's SHA-1 content" section to generate the pack written by git
send-pack.
Signed Commits
~~~~~~~~~~~~~~
We add a new field "gpgsig-sha256" to the commit object format to allow
signing commits without relying on SHA-1. It is similar to the
-existing "gpgsig" field. Its signed payload is the sha256-content of the
+existing "gpgsig" field. Its signed payload is the SHA-256 content of the
commit object with any "gpgsig" and "gpgsig-sha256" fields removed.
This means commits can be signed
+
1. using SHA-1 only, as in existing signed commit objects
2. using both SHA-1 and SHA-256, by using both gpgsig-sha256 and gpgsig
fields.
@@ -404,10 +429,11 @@ Signed Tags
~~~~~~~~~~~
We add a new field "gpgsig-sha256" to the tag object format to allow
signing tags without relying on SHA-1. Its signed payload is the
-sha256-content of the tag with its gpgsig-sha256 field and "-----BEGIN PGP
+SHA-256 content of the tag with its gpgsig-sha256 field and "-----BEGIN PGP
SIGNATURE-----" delimited in-body signature removed.
This means tags can be signed
+
1. using SHA-1 only, as in existing signed tag objects
2. using both SHA-1 and SHA-256, by using gpgsig-sha256 and an in-body
signature.
@@ -415,11 +441,11 @@ This means tags can be signed
Mergetag embedding
~~~~~~~~~~~~~~~~~~
-The mergetag field in the sha1-content of a commit contains the
-sha1-content of a tag that was merged by that commit.
+The mergetag field in the SHA-1 content of a commit contains the
+SHA-1 content of a tag that was merged by that commit.
-The mergetag field in the sha256-content of the same commit contains the
-sha256-content of the same tag.
+The mergetag field in the SHA-256 content of the same commit contains the
+SHA-256 content of the same tag.
Submodules
~~~~~~~~~~
@@ -494,7 +520,7 @@ Caveats
-------
Invalid objects
~~~~~~~~~~~~~~~
-The conversion from sha1-content to sha256-content retains any
+The conversion from SHA-1 content to SHA-256 content retains any
brokenness in the original object (e.g., tree entry modes encoded with
leading 0, tree objects whose paths are not sorted correctly, and
commit objects without an author or committer). This is a deliberate
@@ -513,15 +539,15 @@ allow lifting this restriction.
Alternates
~~~~~~~~~~
-For the same reason, a sha256 repository cannot borrow objects from a
-sha1 repository using objects/info/alternates or
+For the same reason, a SHA-256 repository cannot borrow objects from a
+SHA-1 repository using objects/info/alternates or
$GIT_ALTERNATE_OBJECT_REPOSITORIES.
git notes
~~~~~~~~~
-The "git notes" tool annotates objects using their sha1-name as key.
+The "git notes" tool annotates objects using their SHA-1 name as key.
This design does not describe a way to migrate notes trees to use
-sha256-names. That migration is expected to happen separately (for
+SHA-256 names. That migration is expected to happen separately (for
example using a file at the root of the notes tree to describe which
hash it uses).
@@ -555,7 +581,7 @@ unclear:
Git 2.12
-Does this mean Git v2.12.0 is the commit with sha1-name
+Does this mean Git v2.12.0 is the commit with SHA-1 name
e7e07d5a4fcc2a203d9873968ad3e6bd4d7419d7 or the commit with
new-40-digit-hash-name e7e07d5a4fcc2a203d9873968ad3e6bd4d7419d7?
@@ -598,44 +624,12 @@ The user can also explicitly specify which format to use for a
particular revision specifier and for output, overriding the mode. For
example:
-git --output-format=sha1 log abac87a^{sha1}..f787cac^{sha256}
-
-Choice of Hash
---------------
-In early 2005, around the time that Git was written, Xiaoyun Wang,
-Yiqun Lisa Yin, and Hongbo Yu announced an attack finding SHA-1
-collisions in 2^69 operations. In August they published details.
-Luckily, no practical demonstrations of a collision in full SHA-1 were
-published until 10 years later, in 2017.
-
-Git v2.13.0 and later subsequently moved to a hardened SHA-1
-implementation by default that mitigates the SHAttered attack, but
-SHA-1 is still believed to be weak.
-
-The hash to replace this hardened SHA-1 should be stronger than SHA-1
-was: we would like it to be trustworthy and useful in practice for at
-least 10 years.
-
-Some other relevant properties:
-
-1. A 256-bit hash (long enough to match common security practice; not
- excessively long to hurt performance and disk usage).
-
-2. High quality implementations should be widely available (e.g., in
- OpenSSL and Apple CommonCrypto).
-
-3. The hash function's properties should match Git's needs (e.g. Git
- requires collision and 2nd preimage resistance and does not require
- length extension resistance).
-
-4. As a tiebreaker, the hash should be fast to compute (fortunately
- many contenders are faster than SHA-1).
-
-We choose SHA-256.
+ git --output-format=sha1 log abac87a^{sha1}..f787cac^{sha256}
Transition plan
---------------
Some initial steps can be implemented independently of one another:
+
- adding a hash function API (vtable)
- teaching fsck to tolerate the gpgsig-sha256 field
- excluding gpgsig-* from the fields copied by "git commit --amend"
@@ -647,9 +641,9 @@ Some initial steps can be implemented independently of one another:
- introducing index v3
- adding support for the PSRC field and safer object pruning
-
The first user-visible change is the introduction of the objectFormat
extension (without compatObjectFormat). This requires:
+
- teaching fsck about this mode of operation
- using the hash function API (vtable) when computing object names
- signing objects and verifying signatures
@@ -657,6 +651,7 @@ extension (without compatObjectFormat). This requires:
repository
Next comes introduction of compatObjectFormat:
+
- implementing the loose-object-idx
- translating object names between object formats
- translating object content between object formats
@@ -669,10 +664,11 @@ Next comes introduction of compatObjectFormat:
"Object names on the command line" above)
The next step is supporting fetches and pushes to SHA-1 repositories:
+
- allow pushes to a repository using the compat format
- generate a topologically sorted list of the SHA-1 names of fetched
objects
-- convert the fetched packfile to sha256 format and generate an idx
+- convert the fetched packfile to SHA-256 format and generate an idx
file
- re-sort to match the order of objects in the fetched packfile
@@ -734,6 +730,7 @@ Using hash functions in parallel
Objects newly created would be addressed by the new hash, but inside
such an object (e.g. commit) it is still possible to address objects
using the old hash function.
+
* You cannot trust its history (needed for bisectability) in the
future without further work
* Maintenance burden as the number of supported hash functions grows
@@ -743,36 +740,38 @@ using the old hash function.
Signed objects with multiple hashes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Instead of introducing the gpgsig-sha256 field in commit and tag objects
-for sha256-content based signatures, an earlier version of this design
-added "hash sha256 <sha256-name>" fields to strengthen the existing
-sha1-content based signatures.
+for SHA-256 content based signatures, an earlier version of this design
+added "hash sha256 <SHA-256 name>" fields to strengthen the existing
+SHA-1 content based signatures.
In other words, a single signature was used to attest to the object
content using both hash functions. This had some advantages:
+
* Using one signature instead of two speeds up the signing process.
* Having one signed payload with both hashes allows the signer to
- attest to the sha1-name and sha256-name referring to the same object.
+ attest to the SHA-1 name and SHA-256 name referring to the same object.
* All users consume the same signature. Broken signatures are likely
to be detected quickly using current versions of git.
However, it also came with disadvantages:
-* Verifying a signed object requires access to the sha1-names of all
+
+* Verifying a signed object requires access to the SHA-1 names of all
objects it references, even after the transition is complete and
translation table is no longer needed for anything else. To support
- this, the design added fields such as "hash sha1 tree <sha1-name>"
- and "hash sha1 parent <sha1-name>" to the sha256-content of a signed
+ this, the design added fields such as "hash sha1 tree <SHA-1 name>"
+ and "hash sha1 parent <SHA-1 name>" to the SHA-256 content of a signed
commit, complicating the conversion process.
-* Allowing signed objects without a sha1 (for after the transition is
+* Allowing signed objects without a SHA-1 (for after the transition is
complete) complicated the design further, requiring a "nohash sha1"
- field to suppress including "hash sha1" fields in the sha256-content
+ field to suppress including "hash sha1" fields in the SHA-256 content
and signed payload.
Lazily populated translation table
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Some of the work of building the translation table could be deferred to
push time, but that would significantly complicate and slow down pushes.
-Calculating the sha1-name at object creation time at the same time it is
-being streamed to disk and having its sha256-name calculated should be
+Calculating the SHA-1 name at object creation time at the same time it is
+being streamed to disk and having its SHA-256 name calculated should be
an acceptable cost.
Document History
@@ -782,18 +781,19 @@ Document History
bmwill@google.com, jonathantanmy@google.com, jrnieder@gmail.com,
sbeller@google.com
-Initial version sent to
-http://lore.kernel.org/git/20170304011251.GA26789@aiede.mtv.corp.google.com
+* Initial version sent to https://lore.kernel.org/git/20170304011251.GA26789@aiede.mtv.corp.google.com
2017-03-03 jrnieder@gmail.com
Incorporated suggestions from jonathantanmy and sbeller:
-* describe purpose of signed objects with each hash type
-* redefine signed object verification using object content under the
+
+* Describe purpose of signed objects with each hash type
+* Redefine signed object verification using object content under the
first hash function
2017-03-06 jrnieder@gmail.com
+
* Use SHA3-256 instead of SHA2 (thanks, Linus and brian m. carlson).[1][2]
-* Make sha3-based signatures a separate field, avoiding the need for
+* Make SHA3-based signatures a separate field, avoiding the need for
"hash" and "nohash" fields (thanks to peff[3]).
* Add a sorting phase to fetch (thanks to Junio for noticing the need
for this).
@@ -805,23 +805,26 @@ Incorporated suggestions from jonathantanmy and sbeller:
especially Junio).
2017-09-27 jrnieder@gmail.com, sbeller@google.com
-* use placeholder NewHash instead of SHA3-256
-* describe criteria for picking a hash function.
-* include a transition plan (thanks especially to Brandon Williams
+
+* Use placeholder NewHash instead of SHA3-256
+* Describe criteria for picking a hash function.
+* Include a transition plan (thanks especially to Brandon Williams
for fleshing these ideas out)
-* define the translation table (thanks, Shawn Pearce[5], Jonathan
+* Define the translation table (thanks, Shawn Pearce[5], Jonathan
Tan, and Masaya Suzuki)
-* avoid loose object overhead by packing more aggressively in
+* Avoid loose object overhead by packing more aggressively in
"git gc --auto"
Later history:
- See the history of this file in git.git for the history of subsequent
- edits. This document history is no longer being maintained as it
- would now be superfluous to the commit log
+* See the history of this file in git.git for the history of subsequent
+ edits. This document history is no longer being maintained as it
+ would now be superfluous to the commit log
+
+References:
-[1] http://lore.kernel.org/git/CA+55aFzJtejiCjV0e43+9oR3QuJK2PiFiLQemytoLpyJWe6P9w@mail.gmail.com/
-[2] http://lore.kernel.org/git/CA+55aFz+gkAsDZ24zmePQuEs1XPS9BP_s8O7Q4wQ7LV7X5-oDA@mail.gmail.com/
-[3] http://lore.kernel.org/git/20170306084353.nrns455dvkdsfgo5@sigill.intra.peff.net/
-[4] http://lore.kernel.org/git/20170304224936.rqqtkdvfjgyezsht@genre.crustytoothpaste.net
-[5] https://lore.kernel.org/git/CAJo=hJtoX9=AyLHHpUJS7fueV9ciZ_MNpnEPHUz8Whui6g9F0A@mail.gmail.com/
+ [1] https://lore.kernel.org/git/CA+55aFzJtejiCjV0e43+9oR3QuJK2PiFiLQemytoLpyJWe6P9w@mail.gmail.com/
+ [2] https://lore.kernel.org/git/CA+55aFz+gkAsDZ24zmePQuEs1XPS9BP_s8O7Q4wQ7LV7X5-oDA@mail.gmail.com/
+ [3] https://lore.kernel.org/git/20170306084353.nrns455dvkdsfgo5@sigill.intra.peff.net/
+ [4] https://lore.kernel.org/git/20170304224936.rqqtkdvfjgyezsht@genre.crustytoothpaste.net
+ [5] https://lore.kernel.org/git/CAJo=hJtoX9=AyLHHpUJS7fueV9ciZ_MNpnEPHUz8Whui6g9F0A@mail.gmail.com/
diff --git a/Documentation/technical/index-format.txt b/Documentation/technical/index-format.txt
index 69edf46..d363a71 100644
--- a/Documentation/technical/index-format.txt
+++ b/Documentation/technical/index-format.txt
@@ -26,7 +26,7 @@ Git index format
Extensions are identified by signature. Optional extensions can
be ignored if Git does not understand them.
- Git currently supports cached tree and resolve undo extensions.
+ Git currently supports cache tree and resolve undo extensions.
4-byte extension signature. If the first byte is 'A'..'Z' the
extension is optional and can be ignored.
@@ -136,14 +136,35 @@ Git index format
== Extensions
-=== Cached tree
-
- Cached tree extension contains pre-computed hashes for trees that can
- be derived from the index. It helps speed up tree object generation
- from index for a new commit.
-
- When a path is updated in index, the path must be invalidated and
- removed from tree cache.
+=== Cache tree
+
+ Since the index does not record entries for directories, the cache
+ entries cannot describe tree objects that already exist in the object
+ database for regions of the index that are unchanged from an existing
+ commit. The cache tree extension stores a recursive tree structure that
+ describes the trees that already exist and completely match sections of
+ the cache entries. This speeds up tree object generation from the index
+ for a new commit by only computing the trees that are "new" to that
+ commit. It also assists when comparing the index to another tree, such
+ as `HEAD^{tree}`, since sections of the index can be skipped when a tree
+ comparison demonstrates equality.
+
+ The recursive tree structure uses nodes that store a number of cache
+ entries, a list of subnodes, and an object ID (OID). The OID references
+ the existing tree for that node, if it is known to exist. The subnodes
+ correspond to subdirectories that themselves have cache tree nodes. The
+ number of cache entries corresponds to the number of cache entries in
+ the index that describe paths within that tree's directory.
+
+ The extension tracks the full directory structure in the cache tree
+ extension, but this is generally smaller than the full cache entry list.
+
+ When a path is updated in index, Git invalidates all nodes of the
+ recursive cache tree corresponding to the parent directories of that
+ path. We store these tree nodes as being "invalid" by using "-1" as the
+ number of cache entries. Invalid nodes still store a span of index
+ entries, allowing Git to focus its efforts when reconstructing a full
+ cache tree.
The signature for this extension is { 'T', 'R', 'E', 'E' }.
@@ -174,7 +195,8 @@ Git index format
first entry represents the root level of the repository, followed by the
first subtree--let's call this A--of the root level (with its name
relative to the root level), followed by the first subtree of A (with
- its name relative to A), ...
+ its name relative to A), and so on. The specified number of subtrees
+ indicates when the current level of the recursive stack is complete.
=== Resolve undo
@@ -251,14 +273,14 @@ Git index format
- Stat data of $GIT_DIR/info/exclude. See "Index entry" section from
ctime field until "file size".
- - Stat data of core.excludesfile
+ - Stat data of core.excludesFile
- 32-bit dir_flags (see struct dir_struct)
- Hash of $GIT_DIR/info/exclude. A null hash means the file
does not exist.
- - Hash of core.excludesfile. A null hash means the file does
+ - Hash of core.excludesFile. A null hash means the file does
not exist.
- NUL-terminated string of per-dir exclude file name. This usually
diff --git a/Documentation/technical/pack-format.txt b/Documentation/technical/pack-format.txt
index f96b2e6..1faa949 100644
--- a/Documentation/technical/pack-format.txt
+++ b/Documentation/technical/pack-format.txt
@@ -55,6 +55,18 @@ Valid object types are:
Type 5 is reserved for future expansion. Type 0 is invalid.
+=== Size encoding
+
+This document uses the following "size encoding" of non-negative
+integers: From each byte, the seven least significant bits are
+used to form the resulting integer. As long as the most significant
+bit is 1, this process continues; the byte with MSB 0 provides the
+last seven bits. The seven-bit chunks are concatenated. Later
+values are more significant.
+
+This size encoding should not be confused with the "offset encoding",
+which is also used in this document.
+
=== Deltified representation
Conceptually there are only four object types: commit, tree, tag and
@@ -73,7 +85,10 @@ Ref-delta can also refer to an object outside the pack (i.e. the
so-called "thin pack"). When stored on disk however, the pack should
be self contained to avoid cyclic dependency.
-The delta data is a sequence of instructions to reconstruct an object
+The delta data starts with the size of the base object and the
+size of the object to be reconstructed. These sizes are
+encoded using the size encoding from above. The remainder of
+the delta data is a sequence of instructions to reconstruct the object
from the base object. If the base object is deltified, it must be
converted to canonical form first. Each instruction appends more and
more data to the target object until it's complete. There are two
@@ -259,6 +274,26 @@ Pack file entry: <+
Index checksum of all of the above.
+== pack-*.rev files have the format:
+
+ - A 4-byte magic number '0x52494458' ('RIDX').
+
+ - A 4-byte version identifier (= 1).
+
+ - A 4-byte hash function identifier (= 1 for SHA-1, 2 for SHA-256).
+
+ - A table of index positions (one per packed object, num_objects in
+ total, each a 4-byte unsigned integer in network order), sorted by
+ their corresponding offsets in the packfile.
+
+ - A trailer, containing a:
+
+ checksum of the corresponding packfile, and
+
+ a checksum of all of the above.
+
+All 4-byte numbers are in network order.
+
== multi-pack-index (MIDX) files have the following format:
The multi-pack-index files refer to multiple pack-files and loose objects.
@@ -301,6 +336,9 @@ CHUNK LOOKUP:
(Chunks are provided in file-order, so you can infer the length
using the next chunk position if necessary.)
+ The CHUNK LOOKUP matches the table of contents from
+ link:technical/chunk-format.html[the chunk-based file format].
+
The remaining data in the body is described one chunk at a time, and
these chunks may be given in any order. Chunks are required unless
otherwise specified.
diff --git a/Documentation/technical/packfile-uri.txt b/Documentation/technical/packfile-uri.txt
index 318713a..f7eabc6 100644
--- a/Documentation/technical/packfile-uri.txt
+++ b/Documentation/technical/packfile-uri.txt
@@ -37,8 +37,11 @@ at least so that we can test the client.
This is the implementation: a feature, marked experimental, that allows the
server to be configured by one or more `uploadpack.blobPackfileUri=<sha1>
<uri>` entries. Whenever the list of objects to be sent is assembled, all such
-blobs are excluded, replaced with URIs. The client will download those URIs,
-expecting them to each point to packfiles containing single blobs.
+blobs are excluded, replaced with URIs. As noted in "Future work" below, the
+server can evolve in the future to support excluding other objects (or other
+implementations of servers could be made that support excluding other objects)
+without needing a protocol change, so clients should not expect that packfiles
+downloaded in this way only contain single blobs.
Client design
-------------
diff --git a/Documentation/technical/protocol-v2.txt b/Documentation/technical/protocol-v2.txt
index 85daeb5..a7c806a 100644
--- a/Documentation/technical/protocol-v2.txt
+++ b/Documentation/technical/protocol-v2.txt
@@ -33,8 +33,8 @@ In protocol v2 these special packets will have the following semantics:
* '0000' Flush Packet (flush-pkt) - indicates the end of a message
* '0001' Delimiter Packet (delim-pkt) - separates sections of a message
- * '0002' Message Packet (response-end-pkt) - indicates the end of a response
- for stateless connections
+ * '0002' Response End Packet (response-end-pkt) - indicates the end of a
+ response for stateless connections
Initial Client Request
----------------------
@@ -192,11 +192,20 @@ ls-refs takes in the following arguments:
When specified, only references having a prefix matching one of
the provided prefixes are displayed.
+If the 'unborn' feature is advertised the following argument can be
+included in the client's request.
+
+ unborn
+ The server will send information about HEAD even if it is a symref
+ pointing to an unborn branch in the form "unborn HEAD
+ symref-target:<target>".
+
The output of ls-refs is as follows:
output = *ref
flush-pkt
- ref = PKT-LINE(obj-id SP refname *(SP ref-attribute) LF)
+ obj-id-or-unborn = (obj-id | "unborn")
+ ref = PKT-LINE(obj-id-or-unborn SP refname *(SP ref-attribute) LF)
ref-attribute = (symref | peeled)
symref = "symref-target:" symref-target
peeled = "peeled:" obj-id
diff --git a/Documentation/technical/reftable.txt b/Documentation/technical/reftable.txt
index 2951840..3ef169a 100644
--- a/Documentation/technical/reftable.txt
+++ b/Documentation/technical/reftable.txt
@@ -446,7 +446,7 @@ especially if readers will not use the object name to ref mapping.
Object blocks use unique, abbreviated 2-32 object name keys, mapping to
ref blocks containing references pointing to that object directly, or as
the peeled value of an annotated tag. Like ref blocks, object blocks use
-the file's standard block size. The abbrevation length is available in
+the file's standard block size. The abbreviation length is available in
the footer as `obj_id_len`.
To save space in small files, object blocks may be omitted if the ref
@@ -872,17 +872,11 @@ A repository must set its `$GIT_DIR/config` to configure reftable:
Layout
^^^^^^
-A collection of reftable files are stored in the `$GIT_DIR/reftable/`
-directory:
-
-....
-00000001-00000001.log
-00000002-00000002.ref
-00000003-00000003.ref
-....
-
-where reftable files are named by a unique name such as produced by the
-function `${min_update_index}-${max_update_index}.ref`.
+A collection of reftable files are stored in the `$GIT_DIR/reftable/` directory.
+Their names should have a random element, such that each filename is globally
+unique; this helps avoid spurious failures on Windows, where open files cannot
+be removed or overwritten. It suggested to use
+`${min_update_index}-${max_update_index}-${random}.ref` as a naming convention.
Log-only files use the `.log` extension, while ref-only and mixed ref
and log files use `.ref`. extension.
@@ -893,9 +887,9 @@ current files, one per line, in order, from oldest (base) to newest
....
$ cat .git/reftable/tables.list
-00000001-00000001.log
-00000002-00000002.ref
-00000003-00000003.ref
+00000001-00000001-RANDOM1.log
+00000002-00000002-RANDOM2.ref
+00000003-00000003-RANDOM3.ref
....
Readers must read `$GIT_DIR/reftable/tables.list` to determine which
@@ -940,7 +934,7 @@ new reftable and atomically appending it to the stack:
3. Select `update_index` to be most recent file's
`max_update_index + 1`.
4. Prepare temp reftable `tmp_XXXXXX`, including log entries.
-5. Rename `tmp_XXXXXX` to `${update_index}-${update_index}.ref`.
+5. Rename `tmp_XXXXXX` to `${update_index}-${update_index}-${random}.ref`.
6. Copy `tables.list` to `tables.list.lock`, appending file from (5).
7. Rename `tables.list.lock` to `tables.list`.
@@ -993,7 +987,7 @@ prevents other processes from trying to compact these files.
should always be the case, assuming that other processes are adhering to
the locking protocol.
7. Rename `${min_update_index}-${max_update_index}_XXXXXX` to
-`${min_update_index}-${max_update_index}.ref`.
+`${min_update_index}-${max_update_index}-${random}.ref`.
8. Write the new stack to `tables.list.lock`, replacing `B` and `C`
with the file from (4).
9. Rename `tables.list.lock` to `tables.list`.
@@ -1005,6 +999,22 @@ This strategy permits compactions to proceed independently of updates.
Each reftable (compacted or not) is uniquely identified by its name, so
open reftables can be cached by their name.
+Windows
+^^^^^^^
+
+On windows, and other systems that do not allow deleting or renaming to open
+files, compaction may succeed, but other readers may prevent obsolete tables
+from being deleted.
+
+On these platforms, the following strategy can be followed: on closing a
+reftable stack, reload `tables.list`, and delete any tables no longer mentioned
+in `tables.list`.
+
+Irregular program exit may still leave about unused files. In this case, a
+cleanup operation can read `tables.list`, note its modification timestamp, and
+delete any unreferenced `*.ref` files that are older.
+
+
Alternatives considered
~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index a3871c7..09df1b1 100755
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
#!/bin/sh
GVF=GIT-VERSION-FILE
-DEF_VER=v2.30.0-rc1
+DEF_VER=v2.31.0-rc2
LF='
'
diff --git a/Makefile b/Makefile
index 7b64106..dfb0f10 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,9 @@ all::
# when attempting to read from an fopen'ed directory (or even to fopen
# it at all).
#
+# Define OPEN_RETURNS_EINTR if your open() system call may return EINTR
+# when a signal is received (as opposed to restarting).
+#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
#
# Define USE_LIBPCRE if you have and want to use libpcre. Various
@@ -29,18 +32,11 @@ all::
# Perl-compatible regular expressions instead of standard or extended
# POSIX regular expressions.
#
-# USE_LIBPCRE is a synonym for USE_LIBPCRE2, define USE_LIBPCRE1
-# instead if you'd like to use the legacy version 1 of the PCRE
-# library. Support for version 1 will likely be removed in some future
-# release of Git, as upstream has all but abandoned it.
-#
-# When using USE_LIBPCRE1, define NO_LIBPCRE1_JIT if you want to
-# disable JIT even if supported by your library.
+# Only libpcre version 2 is supported. USE_LIBPCRE2 is a synonym for
+# USE_LIBPCRE, support for the old USE_LIBPCRE1 has been removed.
#
# Define LIBPCREDIR=/foo/bar if your PCRE header and library files are
-# in /foo/bar/include and /foo/bar/lib directories. Which version of
-# PCRE this points to determined by the USE_LIBPCRE1 and USE_LIBPCRE2
-# variables.
+# in /foo/bar/include and /foo/bar/lib directories.
#
# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header.
#
@@ -722,6 +718,7 @@ TEST_BUILTINS_OBJS += test-online-cpus.o
TEST_BUILTINS_OBJS += test-parse-options.o
TEST_BUILTINS_OBJS += test-parse-pathspec-file.o
TEST_BUILTINS_OBJS += test-path-utils.o
+TEST_BUILTINS_OBJS += test-pcre2-config.o
TEST_BUILTINS_OBJS += test-pkt-line.o
TEST_BUILTINS_OBJS += test-prio-queue.o
TEST_BUILTINS_OBJS += test-proc-receive.o
@@ -777,20 +774,6 @@ BUILT_INS += git-status$X
BUILT_INS += git-switch$X
BUILT_INS += git-whatchanged$X
-# what 'all' will build and 'install' will install in gitexecdir,
-# excluding programs for built-in commands
-ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS)
-ALL_COMMANDS_TO_INSTALL = $(ALL_PROGRAMS)
-ifeq (,$(SKIP_DASHED_BUILT_INS))
-ALL_COMMANDS_TO_INSTALL += $(BUILT_INS)
-else
-# git-upload-pack, git-receive-pack and git-upload-archive are special: they
-# are _expected_ to be present in the `bin/` directory in their dashed form.
-ALL_COMMANDS_TO_INSTALL += git-receive-pack$(X)
-ALL_COMMANDS_TO_INSTALL += git-upload-archive$(X)
-ALL_COMMANDS_TO_INSTALL += git-upload-pack$(X)
-endif
-
# what 'all' will build but not install in gitexecdir
OTHER_PROGRAMS = git$X
@@ -854,6 +837,7 @@ LIB_OBJS += bundle.o
LIB_OBJS += cache-tree.o
LIB_OBJS += chdir-notify.o
LIB_OBJS += checkout.o
+LIB_OBJS += chunk-format.o
LIB_OBJS += color.o
LIB_OBJS += column.o
LIB_OBJS += combine-diff.o
@@ -874,6 +858,7 @@ LIB_OBJS += date.o
LIB_OBJS += decorate.o
LIB_OBJS += delta-islands.o
LIB_OBJS += diff-delta.o
+LIB_OBJS += diff-merges.o
LIB_OBJS += diff-lib.o
LIB_OBJS += diff-no-index.o
LIB_OBJS += diff.o
@@ -882,6 +867,7 @@ LIB_OBJS += diffcore-delta.o
LIB_OBJS += diffcore-order.o
LIB_OBJS += diffcore-pickaxe.o
LIB_OBJS += diffcore-rename.o
+LIB_OBJS += diffcore-rotate.o
LIB_OBJS += dir-iterator.o
LIB_OBJS += dir.o
LIB_OBJS += editor.o
@@ -901,6 +887,7 @@ LIB_OBJS += gettext.o
LIB_OBJS += gpg-interface.o
LIB_OBJS += graph.o
LIB_OBJS += grep.o
+LIB_OBJS += hash-lookup.o
LIB_OBJS += hashmap.o
LIB_OBJS += help.o
LIB_OBJS += hex.o
@@ -937,6 +924,8 @@ LIB_OBJS += notes-cache.o
LIB_OBJS += notes-merge.o
LIB_OBJS += notes-utils.o
LIB_OBJS += notes.o
+LIB_OBJS += object-file.o
+LIB_OBJS += object-name.o
LIB_OBJS += object.o
LIB_OBJS += oid-array.o
LIB_OBJS += oidmap.o
@@ -993,9 +982,6 @@ LIB_OBJS += sequencer.o
LIB_OBJS += serve.o
LIB_OBJS += server-info.o
LIB_OBJS += setup.o
-LIB_OBJS += sha1-file.o
-LIB_OBJS += sha1-lookup.o
-LIB_OBJS += sha1-name.o
LIB_OBJS += shallow.o
LIB_OBJS += sideband.o
LIB_OBJS += sigchain.o
@@ -1226,6 +1212,20 @@ ifdef DEVELOPER
include config.mak.dev
endif
+# what 'all' will build and 'install' will install in gitexecdir,
+# excluding programs for built-in commands
+ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS)
+ALL_COMMANDS_TO_INSTALL = $(ALL_PROGRAMS)
+ifeq (,$(SKIP_DASHED_BUILT_INS))
+ALL_COMMANDS_TO_INSTALL += $(BUILT_INS)
+else
+# git-upload-pack, git-receive-pack and git-upload-archive are special: they
+# are _expected_ to be present in the `bin/` directory in their dashed form.
+ALL_COMMANDS_TO_INSTALL += git-receive-pack$(X)
+ALL_COMMANDS_TO_INSTALL += git-upload-archive$(X)
+ALL_COMMANDS_TO_INSTALL += git-upload-pack$(X)
+endif
+
ALL_CFLAGS = $(DEVELOPER_CFLAGS) $(CPPFLAGS) $(CFLAGS)
ALL_LDFLAGS = $(LDFLAGS)
@@ -1359,26 +1359,17 @@ ifdef NO_LIBGEN_H
COMPAT_OBJS += compat/basename.o
endif
+ifdef USE_LIBPCRE1
+$(error The USE_LIBPCRE1 build option has been removed, use version 2 with USE_LIBPCRE)
+endif
+
USE_LIBPCRE2 ?= $(USE_LIBPCRE)
ifneq (,$(USE_LIBPCRE2))
- ifdef USE_LIBPCRE1
-$(error Only set USE_LIBPCRE2 (or its alias USE_LIBPCRE) or USE_LIBPCRE1, not both!)
- endif
-
BASIC_CFLAGS += -DUSE_LIBPCRE2
EXTLIBS += -lpcre2-8
endif
-ifdef USE_LIBPCRE1
- BASIC_CFLAGS += -DUSE_LIBPCRE1
- EXTLIBS += -lpcre
-
-ifdef NO_LIBPCRE1_JIT
- BASIC_CFLAGS += -DNO_LIBPCRE1_JIT
-endif
-endif
-
ifdef LIBPCREDIR
BASIC_CFLAGS += -I$(LIBPCREDIR)/include
EXTLIBS += -L$(LIBPCREDIR)/$(lib) $(CC_LD_DYNPATH)$(LIBPCREDIR)/$(lib)
@@ -1551,12 +1542,13 @@ ifdef FREAD_READS_DIRECTORIES
COMPAT_CFLAGS += -DFREAD_READS_DIRECTORIES
COMPAT_OBJS += compat/fopen.o
endif
+ifdef OPEN_RETURNS_EINTR
+ COMPAT_CFLAGS += -DOPEN_RETURNS_EINTR
+ COMPAT_OBJS += compat/open.o
+endif
ifdef NO_SYMLINK_HEAD
BASIC_CFLAGS += -DNO_SYMLINK_HEAD
endif
-ifdef GETTEXT_POISON
-$(warning The GETTEXT_POISON option has been removed in favor of runtime GIT_TEST_GETTEXT_POISON. See t/README!)
-endif
ifdef NO_GETTEXT
BASIC_CFLAGS += -DNO_GETTEXT
USE_GETTEXT_SCHEME ?= fallthrough
@@ -2729,9 +2721,7 @@ GIT-BUILD-OPTIONS: FORCE
@echo TAR=\''$(subst ','\'',$(subst ','\'',$(TAR)))'\' >>$@+
@echo NO_CURL=\''$(subst ','\'',$(subst ','\'',$(NO_CURL)))'\' >>$@+
@echo NO_EXPAT=\''$(subst ','\'',$(subst ','\'',$(NO_EXPAT)))'\' >>$@+
- @echo USE_LIBPCRE1=\''$(subst ','\'',$(subst ','\'',$(USE_LIBPCRE1)))'\' >>$@+
@echo USE_LIBPCRE2=\''$(subst ','\'',$(subst ','\'',$(USE_LIBPCRE2)))'\' >>$@+
- @echo NO_LIBPCRE1_JIT=\''$(subst ','\'',$(subst ','\'',$(NO_LIBPCRE1_JIT)))'\' >>$@+
@echo NO_PERL=\''$(subst ','\'',$(subst ','\'',$(NO_PERL)))'\' >>$@+
@echo NO_PTHREADS=\''$(subst ','\'',$(subst ','\'',$(NO_PTHREADS)))'\' >>$@+
@echo NO_PYTHON=\''$(subst ','\'',$(subst ','\'',$(NO_PYTHON)))'\' >>$@+
diff --git a/RelNotes b/RelNotes
index dc8c04b..3324fc0 120000
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/2.30.0.txt \ No newline at end of file
+Documentation/RelNotes/2.31.0.txt \ No newline at end of file
diff --git a/abspath.c b/abspath.c
index 6f15a41..39e06b5 100644
--- a/abspath.c
+++ b/abspath.c
@@ -67,19 +67,15 @@ static void get_root_part(struct strbuf *resolved, struct strbuf *remaining)
#endif
/*
- * Return the real path (i.e., absolute path, with symlinks resolved
- * and extra slashes removed) equivalent to the specified path. (If
- * you want an absolute path but don't mind links, use
- * absolute_path().) Places the resolved realpath in the provided strbuf.
- *
- * The directory part of path (i.e., everything up to the last
- * dir_sep) must denote a valid, existing directory, but the last
- * component need not exist. If die_on_error is set, then die with an
- * informative error message if there is a problem. Otherwise, return
- * NULL on errors (without generating any output).
+ * If set, any number of trailing components may be missing; otherwise, only one
+ * may be.
*/
-char *strbuf_realpath(struct strbuf *resolved, const char *path,
- int die_on_error)
+#define REALPATH_MANY_MISSING (1 << 0)
+/* Should we die if there's an error? */
+#define REALPATH_DIE_ON_ERROR (1 << 1)
+
+static char *strbuf_realpath_1(struct strbuf *resolved, const char *path,
+ int flags)
{
struct strbuf remaining = STRBUF_INIT;
struct strbuf next = STRBUF_INIT;
@@ -89,7 +85,7 @@ char *strbuf_realpath(struct strbuf *resolved, const char *path,
struct stat st;
if (!*path) {
- if (die_on_error)
+ if (flags & REALPATH_DIE_ON_ERROR)
die("The empty string is not a valid path");
else
goto error_out;
@@ -101,7 +97,7 @@ char *strbuf_realpath(struct strbuf *resolved, const char *path,
if (!resolved->len) {
/* relative path; can use CWD as the initial resolved path */
if (strbuf_getcwd(resolved)) {
- if (die_on_error)
+ if (flags & REALPATH_DIE_ON_ERROR)
die_errno("unable to get current working directory");
else
goto error_out;
@@ -129,8 +125,9 @@ char *strbuf_realpath(struct strbuf *resolved, const char *path,
if (lstat(resolved->buf, &st)) {
/* error out unless this was the last component */
- if (errno != ENOENT || remaining.len) {
- if (die_on_error)
+ if (errno != ENOENT ||
+ (!(flags & REALPATH_MANY_MISSING) && remaining.len)) {
+ if (flags & REALPATH_DIE_ON_ERROR)
die_errno("Invalid path '%s'",
resolved->buf);
else
@@ -143,7 +140,7 @@ char *strbuf_realpath(struct strbuf *resolved, const char *path,
if (num_symlinks++ > MAXSYMLINKS) {
errno = ELOOP;
- if (die_on_error)
+ if (flags & REALPATH_DIE_ON_ERROR)
die("More than %d nested symlinks "
"on path '%s'", MAXSYMLINKS, path);
else
@@ -153,7 +150,7 @@ char *strbuf_realpath(struct strbuf *resolved, const char *path,
len = strbuf_readlink(&symlink, resolved->buf,
st.st_size);
if (len < 0) {
- if (die_on_error)
+ if (flags & REALPATH_DIE_ON_ERROR)
die_errno("Invalid symlink '%s'",
resolved->buf);
else
@@ -202,6 +199,37 @@ error_out:
return retval;
}
+/*
+ * Return the real path (i.e., absolute path, with symlinks resolved
+ * and extra slashes removed) equivalent to the specified path. (If
+ * you want an absolute path but don't mind links, use
+ * absolute_path().) Places the resolved realpath in the provided strbuf.
+ *
+ * The directory part of path (i.e., everything up to the last
+ * dir_sep) must denote a valid, existing directory, but the last
+ * component need not exist. If die_on_error is set, then die with an
+ * informative error message if there is a problem. Otherwise, return
+ * NULL on errors (without generating any output).
+ */
+char *strbuf_realpath(struct strbuf *resolved, const char *path,
+ int die_on_error)
+{
+ return strbuf_realpath_1(resolved, path,
+ die_on_error ? REALPATH_DIE_ON_ERROR : 0);
+}
+
+/*
+ * Just like strbuf_realpath, but allows an arbitrary number of path
+ * components to be missing.
+ */
+char *strbuf_realpath_forgiving(struct strbuf *resolved, const char *path,
+ int die_on_error)
+{
+ return strbuf_realpath_1(resolved, path,
+ ((die_on_error ? REALPATH_DIE_ON_ERROR : 0) |
+ REALPATH_MANY_MISSING));
+}
+
char *real_pathdup(const char *path, int die_on_error)
{
struct strbuf realpath = STRBUF_INIT;
diff --git a/bisect.c b/bisect.c
index d8c2c8f..ae48d19 100644
--- a/bisect.c
+++ b/bisect.c
@@ -6,7 +6,7 @@
#include "refs.h"
#include "list-objects.h"
#include "quote.h"
-#include "sha1-lookup.h"
+#include "hash-lookup.h"
#include "run-command.h"
#include "log-tree.h"
#include "bisect.h"
@@ -1064,7 +1064,7 @@ enum bisect_error bisect_next_all(struct repository *r, const char *prefix)
if (!all) {
fprintf(stderr, _("No testable commit found.\n"
- "Maybe you started with bad path parameters?\n"));
+ "Maybe you started with bad path arguments?\n"));
return BISECT_NO_TESTABLE_COMMIT;
}
diff --git a/builtin/add.c b/builtin/add.c
index a825887..ea762a4 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -38,19 +38,27 @@ struct update_callback_data {
int add_errors;
};
-static void chmod_pathspec(struct pathspec *pathspec, char flip)
+static int chmod_pathspec(struct pathspec *pathspec, char flip, int show_only)
{
- int i;
+ int i, ret = 0;
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
+ int err;
if (pathspec && !ce_path_match(&the_index, ce, pathspec, NULL))
continue;
- if (chmod_cache_entry(ce, flip) < 0)
- fprintf(stderr, "cannot chmod %cx '%s'\n", flip, ce->name);
+ if (!show_only)
+ err = chmod_cache_entry(ce, flip);
+ else
+ err = S_ISREG(ce->ce_mode) ? 0 : -1;
+
+ if (err < 0)
+ ret = error(_("cannot chmod %cx '%s'"), flip, ce->name);
}
+
+ return ret;
}
static int fix_unmerged_status(struct diff_filepair *p,
@@ -609,7 +617,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
exit_status |= add_files(&dir, flags);
if (chmod_arg && pathspec.nr)
- chmod_pathspec(&pathspec, chmod_arg[0]);
+ exit_status |= chmod_pathspec(&pathspec, chmod_arg[0], show_only);
unplug_bulk_checkin();
finish:
diff --git a/builtin/am.c b/builtin/am.c
index f22c73a..8355e35 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -2284,10 +2284,10 @@ int cmd_am(int argc, const char **argv, const char *prefix)
N_("skip the current patch"),
RESUME_SKIP),
OPT_CMDMODE(0, "abort", &resume.mode,
- N_("restore the original branch and abort the patching operation."),
+ N_("restore the original branch and abort the patching operation"),
RESUME_ABORT),
OPT_CMDMODE(0, "quit", &resume.mode,
- N_("abort the patching operation but keep HEAD where it is."),
+ N_("abort the patching operation but keep HEAD where it is"),
RESUME_QUIT),
{ OPTION_CALLBACK, 0, "show-current-patch", &resume.mode,
"(diff|raw)",
diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c
index 709eb71..d69e133 100644
--- a/builtin/bisect--helper.c
+++ b/builtin/bisect--helper.c
@@ -21,16 +21,15 @@ static GIT_PATH_FUNC(git_path_bisect_first_parent, "BISECT_FIRST_PARENT")
static const char * const git_bisect_helper_usage[] = {
N_("git bisect--helper --bisect-reset [<commit>]"),
- N_("git bisect--helper --bisect-write [--no-log] <state> <revision> <good_term> <bad_term>"),
- N_("git bisect--helper --bisect-check-and-set-terms <command> <good_term> <bad_term>"),
N_("git bisect--helper --bisect-next-check <good_term> <bad_term> [<term>]"),
N_("git bisect--helper --bisect-terms [--term-good | --term-old | --term-bad | --term-new]"),
N_("git bisect--helper --bisect-start [--term-{new,bad}=<term> --term-{old,good}=<term>]"
" [--no-checkout] [--first-parent] [<bad> [<good>...]] [--] [<paths>...]"),
N_("git bisect--helper --bisect-next"),
- N_("git bisect--helper --bisect-auto-next"),
N_("git bisect--helper --bisect-state (bad|new) [<rev>]"),
N_("git bisect--helper --bisect-state (good|old) [<rev>...]"),
+ N_("git bisect--helper --bisect-replay <filename>"),
+ N_("git bisect--helper --bisect-skip [(<rev>|<range>)...]"),
NULL
};
@@ -904,28 +903,148 @@ static enum bisect_error bisect_state(struct bisect_terms *terms, const char **a
return bisect_auto_next(terms, NULL);
}
+static enum bisect_error bisect_log(void)
+{
+ int fd, status;
+ const char* filename = git_path_bisect_log();
+
+ if (is_empty_or_missing_file(filename))
+ return error(_("We are not bisecting."));
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ return BISECT_FAILED;
+
+ status = copy_fd(fd, STDOUT_FILENO);
+ close(fd);
+ return status ? BISECT_FAILED : BISECT_OK;
+}
+
+static int process_replay_line(struct bisect_terms *terms, struct strbuf *line)
+{
+ const char *p = line->buf + strspn(line->buf, " \t");
+ char *word_end, *rev;
+
+ if ((!skip_prefix(p, "git bisect", &p) &&
+ !skip_prefix(p, "git-bisect", &p)) || !isspace(*p))
+ return 0;
+ p += strspn(p, " \t");
+
+ word_end = (char *)p + strcspn(p, " \t");
+ rev = word_end + strspn(word_end, " \t");
+ *word_end = '\0'; /* NUL-terminate the word */
+
+ get_terms(terms);
+ if (check_and_set_terms(terms, p))
+ return -1;
+
+ if (!strcmp(p, "start")) {
+ struct strvec argv = STRVEC_INIT;
+ int res;
+ sq_dequote_to_strvec(rev, &argv);
+ res = bisect_start(terms, argv.v, argv.nr);
+ strvec_clear(&argv);
+ return res;
+ }
+
+ if (one_of(p, terms->term_good,
+ terms->term_bad, "skip", NULL))
+ return bisect_write(p, rev, terms, 0);
+
+ if (!strcmp(p, "terms")) {
+ struct strvec argv = STRVEC_INIT;
+ int res;
+ sq_dequote_to_strvec(rev, &argv);
+ res = bisect_terms(terms, argv.nr == 1 ? argv.v[0] : NULL);
+ strvec_clear(&argv);
+ return res;
+ }
+ error(_("'%s'?? what are you talking about?"), p);
+
+ return -1;
+}
+
+static enum bisect_error bisect_replay(struct bisect_terms *terms, const char *filename)
+{
+ FILE *fp = NULL;
+ enum bisect_error res = BISECT_OK;
+ struct strbuf line = STRBUF_INIT;
+
+ if (is_empty_or_missing_file(filename))
+ return error(_("cannot read file '%s' for replaying"), filename);
+
+ if (bisect_reset(NULL))
+ return BISECT_FAILED;
+
+ fp = fopen(filename, "r");
+ if (!fp)
+ return BISECT_FAILED;
+
+ while ((strbuf_getline(&line, fp) != EOF) && !res)
+ res = process_replay_line(terms, &line);
+
+ strbuf_release(&line);
+ fclose(fp);
+
+ if (res)
+ return BISECT_FAILED;
+
+ return bisect_auto_next(terms, NULL);
+}
+
+static enum bisect_error bisect_skip(struct bisect_terms *terms, const char **argv, int argc)
+{
+ int i;
+ enum bisect_error res;
+ struct strvec argv_state = STRVEC_INIT;
+
+ strvec_push(&argv_state, "skip");
+
+ for (i = 0; i < argc; i++) {
+ const char *dotdot = strstr(argv[i], "..");
+
+ if (dotdot) {
+ struct rev_info revs;
+ struct commit *commit;
+
+ init_revisions(&revs, NULL);
+ setup_revisions(2, argv + i - 1, &revs, NULL);
+
+ if (prepare_revision_walk(&revs))
+ die(_("revision walk setup failed\n"));
+ while ((commit = get_revision(&revs)) != NULL)
+ strvec_push(&argv_state,
+ oid_to_hex(&commit->object.oid));
+
+ reset_revision_walk();
+ } else {
+ strvec_push(&argv_state, argv[i]);
+ }
+ }
+ res = bisect_state(terms, argv_state.v, argv_state.nr);
+
+ strvec_clear(&argv_state);
+ return res;
+}
+
int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
{
enum {
BISECT_RESET = 1,
- BISECT_WRITE,
- CHECK_AND_SET_TERMS,
BISECT_NEXT_CHECK,
BISECT_TERMS,
BISECT_START,
BISECT_AUTOSTART,
BISECT_NEXT,
- BISECT_AUTO_NEXT,
- BISECT_STATE
+ BISECT_STATE,
+ BISECT_LOG,
+ BISECT_REPLAY,
+ BISECT_SKIP
} cmdmode = 0;
int res = 0, nolog = 0;
struct option options[] = {
OPT_CMDMODE(0, "bisect-reset", &cmdmode,
N_("reset the bisection state"), BISECT_RESET),
- OPT_CMDMODE(0, "bisect-write", &cmdmode,
- N_("write out the bisection state in BISECT_LOG"), BISECT_WRITE),
- OPT_CMDMODE(0, "check-and-set-terms", &cmdmode,
- N_("check and set terms in a bisection state"), CHECK_AND_SET_TERMS),
OPT_CMDMODE(0, "bisect-next-check", &cmdmode,
N_("check whether bad or good terms exist"), BISECT_NEXT_CHECK),
OPT_CMDMODE(0, "bisect-terms", &cmdmode,
@@ -934,10 +1053,14 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
N_("start the bisect session"), BISECT_START),
OPT_CMDMODE(0, "bisect-next", &cmdmode,
N_("find the next bisection commit"), BISECT_NEXT),
- OPT_CMDMODE(0, "bisect-auto-next", &cmdmode,
- N_("verify the next bisection state then checkout the next bisection commit"), BISECT_AUTO_NEXT),
OPT_CMDMODE(0, "bisect-state", &cmdmode,
N_("mark the state of ref (or refs)"), BISECT_STATE),
+ OPT_CMDMODE(0, "bisect-log", &cmdmode,
+ N_("list the bisection steps so far"), BISECT_LOG),
+ OPT_CMDMODE(0, "bisect-replay", &cmdmode,
+ N_("replay the bisection process from the given file"), BISECT_REPLAY),
+ OPT_CMDMODE(0, "bisect-skip", &cmdmode,
+ N_("skip some commits for checkout"), BISECT_SKIP),
OPT_BOOL(0, "no-log", &nolog,
N_("no log for BISECT_WRITE")),
OPT_END()
@@ -955,18 +1078,7 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
case BISECT_RESET:
if (argc > 1)
return error(_("--bisect-reset requires either no argument or a commit"));
- return !!bisect_reset(argc ? argv[0] : NULL);
- case BISECT_WRITE:
- if (argc != 4 && argc != 5)
- return error(_("--bisect-write requires either 4 or 5 arguments"));
- set_terms(&terms, argv[3], argv[2]);
- res = bisect_write(argv[0], argv[1], &terms, nolog);
- break;
- case CHECK_AND_SET_TERMS:
- if (argc != 3)
- return error(_("--check-and-set-terms requires 3 arguments"));
- set_terms(&terms, argv[2], argv[1]);
- res = check_and_set_terms(&terms, argv[0]);
+ res = bisect_reset(argc ? argv[0] : NULL);
break;
case BISECT_NEXT_CHECK:
if (argc != 2 && argc != 3)
@@ -989,17 +1101,26 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
get_terms(&terms);
res = bisect_next(&terms, prefix);
break;
- case BISECT_AUTO_NEXT:
- if (argc)
- return error(_("--bisect-auto-next requires 0 arguments"));
- get_terms(&terms);
- res = bisect_auto_next(&terms, prefix);
- break;
case BISECT_STATE:
set_terms(&terms, "bad", "good");
get_terms(&terms);
res = bisect_state(&terms, argv, argc);
break;
+ case BISECT_LOG:
+ if (argc)
+ return error(_("--bisect-log requires 0 arguments"));
+ res = bisect_log();
+ break;
+ case BISECT_REPLAY:
+ if (argc != 1)
+ return error(_("no logfile given"));
+ set_terms(&terms, "bad", "good");
+ res = bisect_replay(&terms, argv[0]);
+ break;
+ case BISECT_SKIP:
+ set_terms(&terms, "bad", "good");
+ res = bisect_skip(&terms, argv, argc);
+ break;
default:
BUG("unknown subcommand %d", cmdmode);
}
diff --git a/builtin/blame.c b/builtin/blame.c
index 6f7e324..641523f 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -425,13 +425,11 @@ static void setup_default_color_by_age(void)
parse_color_fields("blue,12 month ago,white,1 month ago,red");
}
-static void determine_line_heat(struct blame_entry *ent, const char **dest_color)
+static void determine_line_heat(struct commit_info *ci, const char **dest_color)
{
int i = 0;
- struct commit_info ci;
- get_commit_info(ent->suspect->commit, &ci, 1);
- while (i < colorfield_nr && ci.author_time > colorfield[i].hop)
+ while (i < colorfield_nr && ci->author_time > colorfield[i].hop)
i++;
*dest_color = colorfield[i].col;
@@ -453,7 +451,7 @@ static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int
cp = blame_nth_line(sb, ent->lno);
if (opt & OUTPUT_SHOW_AGE_WITH_COLOR) {
- determine_line_heat(ent, &default_color);
+ determine_line_heat(&ci, &default_color);
color = default_color;
reset = GIT_COLOR_RESET;
}
@@ -866,33 +864,33 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
const char *revs_file = NULL;
const char *contents_from = NULL;
const struct option options[] = {
- OPT_BOOL(0, "incremental", &incremental, N_("Show blame entries as we find them, incrementally")),
- OPT_BOOL('b', NULL, &blank_boundary, N_("Do not show object names of boundary commits (Default: off)")),
- OPT_BOOL(0, "root", &show_root, N_("Do not treat root commits as boundaries (Default: off)")),
- OPT_BOOL(0, "show-stats", &show_stats, N_("Show work cost statistics")),
- OPT_BOOL(0, "progress", &show_progress, N_("Force progress reporting")),
- OPT_BIT(0, "score-debug", &output_option, N_("Show output score for blame entries"), OUTPUT_SHOW_SCORE),
- OPT_BIT('f', "show-name", &output_option, N_("Show original filename (Default: auto)"), OUTPUT_SHOW_NAME),
- OPT_BIT('n', "show-number", &output_option, N_("Show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER),
- OPT_BIT('p', "porcelain", &output_option, N_("Show in a format designed for machine consumption"), OUTPUT_PORCELAIN),
- OPT_BIT(0, "line-porcelain", &output_option, N_("Show porcelain format with per-line commit information"), OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN),
- OPT_BIT('c', NULL, &output_option, N_("Use the same output mode as git-annotate (Default: off)"), OUTPUT_ANNOTATE_COMPAT),
- OPT_BIT('t', NULL, &output_option, N_("Show raw timestamp (Default: off)"), OUTPUT_RAW_TIMESTAMP),
- OPT_BIT('l', NULL, &output_option, N_("Show long commit SHA1 (Default: off)"), OUTPUT_LONG_OBJECT_NAME),
- OPT_BIT('s', NULL, &output_option, N_("Suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR),
- OPT_BIT('e', "show-email", &output_option, N_("Show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL),
- OPT_BIT('w', NULL, &xdl_opts, N_("Ignore whitespace differences"), XDF_IGNORE_WHITESPACE),
- OPT_STRING_LIST(0, "ignore-rev", &ignore_rev_list, N_("rev"), N_("Ignore <rev> when blaming")),
- OPT_STRING_LIST(0, "ignore-revs-file", &ignore_revs_file_list, N_("file"), N_("Ignore revisions from <file>")),
+ OPT_BOOL(0, "incremental", &incremental, N_("show blame entries as we find them, incrementally")),
+ OPT_BOOL('b', NULL, &blank_boundary, N_("do not show object names of boundary commits (Default: off)")),
+ OPT_BOOL(0, "root", &show_root, N_("do not treat root commits as boundaries (Default: off)")),
+ OPT_BOOL(0, "show-stats", &show_stats, N_("show work cost statistics")),
+ OPT_BOOL(0, "progress", &show_progress, N_("force progress reporting")),
+ OPT_BIT(0, "score-debug", &output_option, N_("show output score for blame entries"), OUTPUT_SHOW_SCORE),
+ OPT_BIT('f', "show-name", &output_option, N_("show original filename (Default: auto)"), OUTPUT_SHOW_NAME),
+ OPT_BIT('n', "show-number", &output_option, N_("show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER),
+ OPT_BIT('p', "porcelain", &output_option, N_("show in a format designed for machine consumption"), OUTPUT_PORCELAIN),
+ OPT_BIT(0, "line-porcelain", &output_option, N_("show porcelain format with per-line commit information"), OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN),
+ OPT_BIT('c', NULL, &output_option, N_("use the same output mode as git-annotate (Default: off)"), OUTPUT_ANNOTATE_COMPAT),
+ OPT_BIT('t', NULL, &output_option, N_("show raw timestamp (Default: off)"), OUTPUT_RAW_TIMESTAMP),
+ OPT_BIT('l', NULL, &output_option, N_("show long commit SHA1 (Default: off)"), OUTPUT_LONG_OBJECT_NAME),
+ OPT_BIT('s', NULL, &output_option, N_("suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR),
+ OPT_BIT('e', "show-email", &output_option, N_("show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL),
+ OPT_BIT('w', NULL, &xdl_opts, N_("ignore whitespace differences"), XDF_IGNORE_WHITESPACE),
+ OPT_STRING_LIST(0, "ignore-rev", &ignore_rev_list, N_("rev"), N_("ignore <rev> when blaming")),
+ OPT_STRING_LIST(0, "ignore-revs-file", &ignore_revs_file_list, N_("file"), N_("ignore revisions from <file>")),
OPT_BIT(0, "color-lines", &output_option, N_("color redundant metadata from previous line differently"), OUTPUT_COLOR_LINE),
OPT_BIT(0, "color-by-age", &output_option, N_("color lines by age"), OUTPUT_SHOW_AGE_WITH_COLOR),
- OPT_BIT(0, "minimal", &xdl_opts, N_("Spend extra cycles to find better match"), XDF_NEED_MINIMAL),
- OPT_STRING('S', NULL, &revs_file, N_("file"), N_("Use revisions from <file> instead of calling git-rev-list")),
- OPT_STRING(0, "contents", &contents_from, N_("file"), N_("Use <file>'s contents as the final image")),
- OPT_CALLBACK_F('C', NULL, &opt, N_("score"), N_("Find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback),
- OPT_CALLBACK_F('M', NULL, &opt, N_("score"), N_("Find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback),
+ OPT_BIT(0, "minimal", &xdl_opts, N_("spend extra cycles to find better match"), XDF_NEED_MINIMAL),
+ OPT_STRING('S', NULL, &revs_file, N_("file"), N_("use revisions from <file> instead of calling git-rev-list")),
+ OPT_STRING(0, "contents", &contents_from, N_("file"), N_("use <file>'s contents as the final image")),
+ OPT_CALLBACK_F('C', NULL, &opt, N_("score"), N_("find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback),
+ OPT_CALLBACK_F('M', NULL, &opt, N_("score"), N_("find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback),
OPT_STRING_LIST('L', NULL, &range_list, N_("range"),
- N_("Process only line range <start>,<end> or function :<funcname>")),
+ N_("process only line range <start>,<end> or function :<funcname>")),
OPT__ABBREV(&abbrev),
OPT_END()
};
@@ -1151,7 +1149,7 @@ parse_done:
sb.xdl_opts = xdl_opts;
sb.no_whole_file_rename = no_whole_file_rename;
- read_mailmap(&mailmap, NULL);
+ read_mailmap(&mailmap);
sb.found_guilty_entry = &found_guilty_entry;
sb.found_guilty_entry_data = &pi;
diff --git a/builtin/branch.c b/builtin/branch.c
index 9b68591..bcc00bc 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -202,6 +202,9 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
int remote_branch = 0;
struct strbuf bname = STRBUF_INIT;
unsigned allowed_interpret;
+ struct string_list refs_to_delete = STRING_LIST_INIT_DUP;
+ struct string_list_item *item;
+ int branch_name_pos;
switch (kinds) {
case FILTER_REFS_REMOTES:
@@ -219,6 +222,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
default:
die(_("cannot use -a with -d"));
}
+ branch_name_pos = strcspn(fmt, "%");
if (!force) {
head_rev = lookup_commit_reference(the_repository, &head_oid);
@@ -265,30 +269,35 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
goto next;
}
- if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : &oid,
- REF_NO_DEREF)) {
- error(remote_branch
- ? _("Error deleting remote-tracking branch '%s'")
- : _("Error deleting branch '%s'"),
- bname.buf);
- ret = 1;
- goto next;
- }
- if (!quiet) {
- printf(remote_branch
- ? _("Deleted remote-tracking branch %s (was %s).\n")
- : _("Deleted branch %s (was %s).\n"),
- bname.buf,
- (flags & REF_ISBROKEN) ? "broken"
- : (flags & REF_ISSYMREF) ? target
- : find_unique_abbrev(&oid, DEFAULT_ABBREV));
- }
- delete_branch_config(bname.buf);
+ item = string_list_append(&refs_to_delete, name);
+ item->util = xstrdup((flags & REF_ISBROKEN) ? "broken"
+ : (flags & REF_ISSYMREF) ? target
+ : find_unique_abbrev(&oid, DEFAULT_ABBREV));
next:
free(target);
}
+ if (delete_refs(NULL, &refs_to_delete, REF_NO_DEREF))
+ ret = 1;
+
+ for_each_string_list_item(item, &refs_to_delete) {
+ char *describe_ref = item->util;
+ char *name = item->string;
+ if (!ref_exists(name)) {
+ char *refname = name + branch_name_pos;
+ if (!quiet)
+ printf(remote_branch
+ ? _("Deleted remote-tracking branch %s (was %s).\n")
+ : _("Deleted branch %s (was %s).\n"),
+ name + branch_name_pos, describe_ref);
+
+ delete_branch_config(refname);
+ }
+ free(describe_ref);
+ }
+ string_list_clear(&refs_to_delete, 0);
+
free(name);
strbuf_release(&bname);
@@ -726,7 +735,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
print_current_branch_name();
return 0;
} else if (list) {
- /* git branch --local also shows HEAD when it is detached */
+ /* git branch --list also shows HEAD when it is detached */
if ((filter.kind & FILTER_REFS_BRANCHES) && filter.detached)
filter.kind |= FILTER_REFS_DETACHED_HEAD;
filter.name_patterns = argv;
@@ -739,7 +748,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
*/
if (!sorting)
sorting = ref_default_sorting();
- ref_sorting_icase_all(sorting, icase);
+ ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase);
+ ref_sorting_set_sort_flags_all(
+ sorting, REF_SORTING_DETACHED_HEAD_FIRST, 1);
print_ref_list(&filter, sorting, &format);
print_columns(&output, colopts, NULL);
string_list_clear(&output, 0);
diff --git a/builtin/check-mailmap.c b/builtin/check-mailmap.c
index cdce144..7dc47e4 100644
--- a/builtin/check-mailmap.c
+++ b/builtin/check-mailmap.c
@@ -47,7 +47,7 @@ int cmd_check_mailmap(int argc, const char **argv, const char *prefix)
if (argc == 0 && !use_stdin)
die(_("no contacts specified"));
- read_mailmap(&mailmap, NULL);
+ read_mailmap(&mailmap);
for (i = 0; i < argc; ++i)
check_mailmap(&mailmap, argv[i]);
diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c
index 4bbfc92..023e49e 100644
--- a/builtin/checkout-index.c
+++ b/builtin/checkout-index.c
@@ -23,22 +23,35 @@ static struct checkout state = CHECKOUT_INIT;
static void write_tempfile_record(const char *name, const char *prefix)
{
int i;
+ int have_tempname = 0;
if (CHECKOUT_ALL == checkout_stage) {
- for (i = 1; i < 4; i++) {
- if (i > 1)
- putchar(' ');
- if (topath[i][0])
- fputs(topath[i], stdout);
- else
- putchar('.');
+ for (i = 1; i < 4; i++)
+ if (topath[i][0]) {
+ have_tempname = 1;
+ break;
+ }
+
+ if (have_tempname) {
+ for (i = 1; i < 4; i++) {
+ if (i > 1)
+ putchar(' ');
+ if (topath[i][0])
+ fputs(topath[i], stdout);
+ else
+ putchar('.');
+ }
}
- } else
+ } else if (topath[checkout_stage][0]) {
+ have_tempname = 1;
fputs(topath[checkout_stage], stdout);
+ }
- putchar('\t');
- write_name_quoted_relative(name, prefix, stdout,
- nul_term_line ? '\0' : '\n');
+ if (have_tempname) {
+ putchar('\t');
+ write_name_quoted_relative(name, prefix, stdout,
+ nul_term_line ? '\0' : '\n');
+ }
for (i = 0; i < 4; i++) {
topath[i][0] = 0;
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 9b82119..2d6550b 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -480,9 +480,11 @@ static int checkout_paths(const struct checkout_opts *opts,
* with the hex of the commit (whether it's in `...` form or
* not) for the run_add_interactive() machinery to work
* properly. However, there is special logic for the HEAD case
- * so we mustn't replace that.
+ * so we mustn't replace that. Also, when we were given a
+ * tree-object, new_branch_info->commit would be NULL, but we
+ * do not have to do any replacement, either.
*/
- if (rev && strcmp(rev, "HEAD"))
+ if (rev && new_branch_info->commit && strcmp(rev, "HEAD"))
rev = oid_to_hex_r(rev_oid, &new_branch_info->commit->object.oid);
if (opts->checkout_index && opts->checkout_worktree)
@@ -819,9 +821,6 @@ static int merge_working_tree(const struct checkout_opts *opts,
}
}
- if (!active_cache_tree)
- active_cache_tree = cache_tree();
-
if (!cache_tree_fully_valid(active_cache_tree))
cache_tree_update(&the_index, WRITE_TREE_SILENT | WRITE_TREE_REPAIR);
diff --git a/builtin/clone.c b/builtin/clone.c
index e335734..51e844a 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -979,7 +979,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
int err = 0, complete_refs_before_fetch = 1;
int submodule_progress;
- struct strvec ref_prefixes = STRVEC_INIT;
+ struct transport_ls_refs_options transport_ls_refs_options =
+ TRANSPORT_LS_REFS_OPTIONS_INIT;
packet_trace_identity("clone");
@@ -1257,14 +1258,17 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
transport->smart_options->check_self_contained_and_connected = 1;
- strvec_push(&ref_prefixes, "HEAD");
- refspec_ref_prefixes(&remote->fetch, &ref_prefixes);
+ strvec_push(&transport_ls_refs_options.ref_prefixes, "HEAD");
+ refspec_ref_prefixes(&remote->fetch,
+ &transport_ls_refs_options.ref_prefixes);
if (option_branch)
- expand_ref_prefix(&ref_prefixes, option_branch);
+ expand_ref_prefix(&transport_ls_refs_options.ref_prefixes,
+ option_branch);
if (!option_no_tags)
- strvec_push(&ref_prefixes, "refs/tags/");
+ strvec_push(&transport_ls_refs_options.ref_prefixes,
+ "refs/tags/");
- refs = transport_get_remote_refs(transport, &ref_prefixes);
+ refs = transport_get_remote_refs(transport, &transport_ls_refs_options);
if (refs) {
int hash_algo = hash_algo_by_ptr(transport_get_hash_algo(transport));
@@ -1326,8 +1330,19 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
remote_head = NULL;
option_no_checkout = 1;
if (!option_bare) {
- const char *branch = git_default_branch_name(0);
- char *ref = xstrfmt("refs/heads/%s", branch);
+ const char *branch;
+ char *ref;
+
+ if (transport_ls_refs_options.unborn_head_target &&
+ skip_prefix(transport_ls_refs_options.unborn_head_target,
+ "refs/heads/", &branch)) {
+ ref = transport_ls_refs_options.unborn_head_target;
+ transport_ls_refs_options.unborn_head_target = NULL;
+ create_symref("HEAD", ref, reflog_msg.buf);
+ } else {
+ branch = git_default_branch_name(0);
+ ref = xstrfmt("refs/heads/%s", branch);
+ }
install_branch_config(0, branch, remote_name, ref);
free(ref);
@@ -1380,6 +1395,7 @@ cleanup:
strbuf_release(&key);
junk_mode = JUNK_LEAVE_ALL;
- strvec_clear(&ref_prefixes);
+ strvec_clear(&transport_ls_refs_options.ref_prefixes);
+ free(transport_ls_refs_options.unborn_head_target);
return err;
}
diff --git a/builtin/commit-graph.c b/builtin/commit-graph.c
index 78fa08f..cd86315 100644
--- a/builtin/commit-graph.c
+++ b/builtin/commit-graph.c
@@ -78,7 +78,7 @@ static int graph_verify(int argc, const char **argv)
static struct option builtin_commit_graph_verify_options[] = {
OPT_STRING(0, "object-dir", &opts.obj_dir,
N_("dir"),
- N_("The object directory to store the graph")),
+ N_("the object directory to store the graph")),
OPT_BOOL(0, "shallow", &opts.shallow,
N_("if the commit-graph is split, only verify the tip file")),
OPT_BOOL(0, "progress", &opts.progress, N_("force progress reporting")),
@@ -208,7 +208,7 @@ static int graph_write(int argc, const char **argv)
static struct option builtin_commit_graph_write_options[] = {
OPT_STRING(0, "object-dir", &opts.obj_dir,
N_("dir"),
- N_("The object directory to store the graph")),
+ N_("the object directory to store the graph")),
OPT_BOOL(0, "reachable", &opts.reachable,
N_("start walk at all refs")),
OPT_BOOL(0, "stdin-packs", &opts.stdin_packs,
@@ -314,7 +314,7 @@ int cmd_commit_graph(int argc, const char **argv, const char *prefix)
static struct option builtin_commit_graph_options[] = {
OPT_STRING(0, "object-dir", &opts.obj_dir,
N_("dir"),
- N_("The object directory to store the graph")),
+ N_("the object directory to store the graph")),
OPT_END(),
};
diff --git a/builtin/commit.c b/builtin/commit.c
index 505fe60..739110c 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1039,7 +1039,7 @@ static const char *find_author_by_nickname(const char *name)
av[++ac] = NULL;
setup_revisions(ac, av, &revs, NULL);
revs.mailmap = &mailmap;
- read_mailmap(revs.mailmap, NULL);
+ read_mailmap(revs.mailmap);
if (prepare_revision_walk(&revs))
die(_("revision walk setup failed"));
diff --git a/builtin/describe.c b/builtin/describe.c
index 7668591..40482d8 100644
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -194,7 +194,7 @@ static int get_name(const char *path, const struct object_id *oid, int flag, voi
}
/* Is it annotated? */
- if (!peel_ref(path, &peeled)) {
+ if (!peel_iterated_oid(oid, &peeled)) {
is_annotated = !oideq(oid, &peeled);
} else {
oidcpy(&peeled, oid);
diff --git a/builtin/diff-files.c b/builtin/diff-files.c
index 1e352dd..70103c4 100644
--- a/builtin/diff-files.c
+++ b/builtin/diff-files.c
@@ -7,6 +7,7 @@
#include "cache.h"
#include "config.h"
#include "diff.h"
+#include "diff-merges.h"
#include "commit.h"
#include "revision.h"
#include "builtin.h"
@@ -35,7 +36,7 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix)
*/
rev.diffopt.ita_invisible_in_index = 1;
- precompose_argv(argc, argv);
+ prefix = precompose_argv_prefix(argc, argv, prefix);
argc = setup_revisions(argc, argv, &rev, NULL);
while (1 < argc && argv[1][0] == '-') {
@@ -53,6 +54,7 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix)
}
if (!rev.diffopt.output_format)
rev.diffopt.output_format = DIFF_FORMAT_RAW;
+ rev.diffopt.rotate_to_strict = 1;
/*
* Make sure there are NO revision (i.e. pending object) parameter,
@@ -69,9 +71,9 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix)
* was not asked to. "diff-files -c -p" should not densify
* (the user should ask with "diff-files --cc" explicitly).
*/
- if (rev.max_count == -1 && !rev.combine_merges &&
+ if (rev.max_count == -1 &&
(rev.diffopt.output_format & DIFF_FORMAT_PATCH))
- rev.combine_merges = rev.dense_combined_merges = 1;
+ diff_merges_set_dense_combined_if_unset(&rev);
if (read_cache_preload(&rev.diffopt.pathspec) < 0) {
perror("read_cache_preload");
diff --git a/builtin/diff-index.c b/builtin/diff-index.c
index 7f5281c..176fe7f 100644
--- a/builtin/diff-index.c
+++ b/builtin/diff-index.c
@@ -25,7 +25,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
repo_init_revisions(the_repository, &rev, prefix);
rev.abbrev = 0;
- precompose_argv(argc, argv);
+ prefix = precompose_argv_prefix(argc, argv, prefix);
argc = setup_revisions(argc, argv, &rev, NULL);
for (i = 1; i < argc; i++) {
@@ -41,6 +41,8 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
if (!rev.diffopt.output_format)
rev.diffopt.output_format = DIFF_FORMAT_RAW;
+ rev.diffopt.rotate_to_strict = 1;
+
/*
* Make sure there is one revision (i.e. pending object),
* and there is no revision filtering parameters.
diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c
index 9fc95e9..f33d30d 100644
--- a/builtin/diff-tree.c
+++ b/builtin/diff-tree.c
@@ -126,7 +126,7 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
memset(&s_r_opt, 0, sizeof(s_r_opt));
s_r_opt.tweak = diff_tree_tweak_rev;
- precompose_argv(argc, argv);
+ prefix = precompose_argv_prefix(argc, argv, prefix);
argc = setup_revisions(argc, argv, opt, &s_r_opt);
memset(&w, 0, sizeof(w));
@@ -156,6 +156,8 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
if (merge_base && opt->pending.nr != 2)
die(_("--merge-base only works with two commits"));
+ opt->diffopt.rotate_to_strict = 1;
+
/*
* NOTE! We expect "a..b" to expand to "^a b" but it is
* perfectly valid for revision range parser to yield "b ^a",
@@ -192,6 +194,7 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
int saved_nrl = 0;
int saved_dcctc = 0;
+ opt->diffopt.rotate_to_strict = 0;
if (opt->diffopt.detect_rename) {
if (!the_index.cache)
repo_read_index(the_repository);
diff --git a/builtin/diff.c b/builtin/diff.c
index 780c338..617b9a4 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -13,6 +13,7 @@
#include "blob.h"
#include "tag.h"
#include "diff.h"
+#include "diff-merges.h"
#include "diffcore.h"
#include "revision.h"
#include "log-tree.h"
@@ -216,8 +217,8 @@ static int builtin_diff_combined(struct rev_info *revs,
if (argc > 1)
usage(builtin_diff_usage);
- if (!revs->dense_combined_merges && !revs->combine_merges)
- revs->dense_combined_merges = revs->combine_merges = 1;
+ diff_merges_set_dense_combined_if_unset(revs);
+
for (i = 1; i < ents; i++)
oid_array_append(&parents, &ent[i].item->oid);
diff_tree_combined(&ent[0].item->oid, &parents, revs);
@@ -265,9 +266,9 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv
* dense one, --cc can be explicitly asked for, or just rely
* on the default).
*/
- if (revs->max_count == -1 && !revs->combine_merges &&
+ if (revs->max_count == -1 &&
(revs->diffopt.output_format & DIFF_FORMAT_PATCH))
- revs->combine_merges = revs->dense_combined_merges = 1;
+ diff_merges_set_dense_combined_if_unset(revs);
setup_work_tree();
if (read_cache_preload(&revs->diffopt.pathspec) < 0) {
@@ -452,7 +453,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
init_diff_ui_defaults();
git_config(git_diff_ui_config, NULL);
- precompose_argv(argc, argv);
+ prefix = precompose_argv_prefix(argc, argv, prefix);
repo_init_revisions(the_repository, &rev, prefix);
@@ -490,6 +491,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
}
rev.diffopt.flags.recursive = 1;
+ rev.diffopt.rotate_to_strict = 1;
setup_diff_pager(&rev.diffopt);
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 0a60356..85a76e0 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -1205,32 +1205,32 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
N_("select handling of commit messages in an alternate encoding"),
parse_opt_reencode_mode),
OPT_STRING(0, "export-marks", &export_filename, N_("file"),
- N_("Dump marks to this file")),
+ N_("dump marks to this file")),
OPT_STRING(0, "import-marks", &import_filename, N_("file"),
- N_("Import marks from this file")),
+ N_("import marks from this file")),
OPT_STRING(0, "import-marks-if-exists",
&import_filename_if_exists,
N_("file"),
- N_("Import marks from this file if it exists")),
+ N_("import marks from this file if it exists")),
OPT_BOOL(0, "fake-missing-tagger", &fake_missing_tagger,
- N_("Fake a tagger when tags lack one")),
+ N_("fake a tagger when tags lack one")),
OPT_BOOL(0, "full-tree", &full_tree,
- N_("Output full tree for each commit")),
+ N_("output full tree for each commit")),
OPT_BOOL(0, "use-done-feature", &use_done_feature,
- N_("Use the done feature to terminate the stream")),
- OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")),
+ N_("use the done feature to terminate the stream")),
+ OPT_BOOL(0, "no-data", &no_data, N_("skip output of blob data")),
OPT_STRING_LIST(0, "refspec", &refspecs_list, N_("refspec"),
- N_("Apply refspec to exported refs")),
+ N_("apply refspec to exported refs")),
OPT_BOOL(0, "anonymize", &anonymize, N_("anonymize output")),
OPT_CALLBACK_F(0, "anonymize-map", &anonymized_seeds, N_("from:to"),
N_("convert <from> to <to> in anonymized output"),
PARSE_OPT_NONEG, parse_opt_anonymize_map),
OPT_BOOL(0, "reference-excluded-parents",
- &reference_excluded_commits, N_("Reference parents which are not in fast-export stream by object id")),
+ &reference_excluded_commits, N_("reference parents which are not in fast-export stream by object id")),
OPT_BOOL(0, "show-original-ids", &show_original_ids,
- N_("Show original object ids of blobs/commits")),
+ N_("show original object ids of blobs/commits")),
OPT_BOOL(0, "mark-tags", &mark_tags,
- N_("Label tags with mark ids")),
+ N_("label tags with mark ids")),
OPT_END()
};
diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index 58b7c1f..c2d96f4 100644
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -220,7 +220,8 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
version = discover_version(&reader);
switch (version) {
case protocol_v2:
- get_remote_refs(fd[1], &reader, &ref, 0, NULL, NULL, args.stateless_rpc);
+ get_remote_refs(fd[1], &reader, &ref, 0, NULL, NULL,
+ args.stateless_rpc);
break;
case protocol_v1:
case protocol_v0:
diff --git a/builtin/fetch.c b/builtin/fetch.c
index ecf8537..0b90de8 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -63,6 +63,7 @@ static int enable_auto_gc = 1;
static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
static int max_jobs = -1, submodule_fetch_jobs_config = -1;
static int fetch_parallel_config = 1;
+static int atomic_fetch;
static enum transport_family family;
static const char *depth;
static const char *deepen_since;
@@ -144,6 +145,8 @@ static struct option builtin_fetch_options[] = {
N_("set upstream for git pull/fetch")),
OPT_BOOL('a', "append", &append,
N_("append to .git/FETCH_HEAD instead of overwriting")),
+ OPT_BOOL(0, "atomic", &atomic_fetch,
+ N_("use atomic transaction to update references")),
OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
N_("path to upload pack on remote end")),
OPT__FORCE(&force, N_("force overwrite of local reference"), 0),
@@ -583,13 +586,14 @@ static struct ref *get_ref_map(struct remote *remote,
static int s_update_ref(const char *action,
struct ref *ref,
+ struct ref_transaction *transaction,
int check_old)
{
char *msg;
char *rla = getenv("GIT_REFLOG_ACTION");
- struct ref_transaction *transaction;
+ struct ref_transaction *our_transaction = NULL;
struct strbuf err = STRBUF_INIT;
- int ret, df_conflict = 0;
+ int ret;
if (dry_run)
return 0;
@@ -597,31 +601,47 @@ static int s_update_ref(const char *action,
rla = default_rla.buf;
msg = xstrfmt("%s: %s", rla, action);
- transaction = ref_transaction_begin(&err);
- if (!transaction ||
- ref_transaction_update(transaction, ref->name,
- &ref->new_oid,
- check_old ? &ref->old_oid : NULL,
- 0, msg, &err))
- goto fail;
+ /*
+ * If no transaction was passed to us, we manage the transaction
+ * ourselves. Otherwise, we trust the caller to handle the transaction
+ * lifecycle.
+ */
+ if (!transaction) {
+ transaction = our_transaction = ref_transaction_begin(&err);
+ if (!transaction) {
+ ret = STORE_REF_ERROR_OTHER;
+ goto out;
+ }
+ }
- ret = ref_transaction_commit(transaction, &err);
+ ret = ref_transaction_update(transaction, ref->name, &ref->new_oid,
+ check_old ? &ref->old_oid : NULL,
+ 0, msg, &err);
if (ret) {
- df_conflict = (ret == TRANSACTION_NAME_CONFLICT);
- goto fail;
+ ret = STORE_REF_ERROR_OTHER;
+ goto out;
}
- ref_transaction_free(transaction);
- strbuf_release(&err);
- free(msg);
- return 0;
-fail:
- ref_transaction_free(transaction);
- error("%s", err.buf);
+ if (our_transaction) {
+ switch (ref_transaction_commit(our_transaction, &err)) {
+ case 0:
+ break;
+ case TRANSACTION_NAME_CONFLICT:
+ ret = STORE_REF_ERROR_DF_CONFLICT;
+ goto out;
+ default:
+ ret = STORE_REF_ERROR_OTHER;
+ goto out;
+ }
+ }
+
+out:
+ ref_transaction_free(our_transaction);
+ if (ret)
+ error("%s", err.buf);
strbuf_release(&err);
free(msg);
- return df_conflict ? STORE_REF_ERROR_DF_CONFLICT
- : STORE_REF_ERROR_OTHER;
+ return ret;
}
static int refcol_width = 10;
@@ -759,6 +779,7 @@ static void format_display(struct strbuf *display, char code,
}
static int update_local_ref(struct ref *ref,
+ struct ref_transaction *transaction,
const char *remote,
const struct ref *remote_ref,
struct strbuf *display,
@@ -799,7 +820,7 @@ static int update_local_ref(struct ref *ref,
starts_with(ref->name, "refs/tags/")) {
if (force || ref->force) {
int r;
- r = s_update_ref("updating tag", ref, 0);
+ r = s_update_ref("updating tag", ref, transaction, 0);
format_display(display, r ? '!' : 't', _("[tag update]"),
r ? _("unable to update local ref") : NULL,
remote, pretty_ref, summary_width);
@@ -836,7 +857,7 @@ static int update_local_ref(struct ref *ref,
what = _("[new ref]");
}
- r = s_update_ref(msg, ref, 0);
+ r = s_update_ref(msg, ref, transaction, 0);
format_display(display, r ? '!' : '*', what,
r ? _("unable to update local ref") : NULL,
remote, pretty_ref, summary_width);
@@ -858,7 +879,7 @@ static int update_local_ref(struct ref *ref,
strbuf_add_unique_abbrev(&quickref, &current->object.oid, DEFAULT_ABBREV);
strbuf_addstr(&quickref, "..");
strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
- r = s_update_ref("fast-forward", ref, 1);
+ r = s_update_ref("fast-forward", ref, transaction, 1);
format_display(display, r ? '!' : ' ', quickref.buf,
r ? _("unable to update local ref") : NULL,
remote, pretty_ref, summary_width);
@@ -870,7 +891,7 @@ static int update_local_ref(struct ref *ref,
strbuf_add_unique_abbrev(&quickref, &current->object.oid, DEFAULT_ABBREV);
strbuf_addstr(&quickref, "...");
strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
- r = s_update_ref("forced-update", ref, 1);
+ r = s_update_ref("forced-update", ref, transaction, 1);
format_display(display, r ? '!' : '+', quickref.buf,
r ? _("unable to update local ref") : _("forced update"),
remote, pretty_ref, summary_width);
@@ -897,6 +918,89 @@ static int iterate_ref_map(void *cb_data, struct object_id *oid)
return 0;
}
+struct fetch_head {
+ FILE *fp;
+ struct strbuf buf;
+};
+
+static int open_fetch_head(struct fetch_head *fetch_head)
+{
+ const char *filename = git_path_fetch_head(the_repository);
+
+ if (write_fetch_head) {
+ fetch_head->fp = fopen(filename, "a");
+ if (!fetch_head->fp)
+ return error_errno(_("cannot open %s"), filename);
+ strbuf_init(&fetch_head->buf, 0);
+ } else {
+ fetch_head->fp = NULL;
+ }
+
+ return 0;
+}
+
+static void append_fetch_head(struct fetch_head *fetch_head,
+ const struct object_id *old_oid,
+ enum fetch_head_status fetch_head_status,
+ const char *note,
+ const char *url, size_t url_len)
+{
+ char old_oid_hex[GIT_MAX_HEXSZ + 1];
+ const char *merge_status_marker;
+ size_t i;
+
+ if (!fetch_head->fp)
+ return;
+
+ switch (fetch_head_status) {
+ case FETCH_HEAD_NOT_FOR_MERGE:
+ merge_status_marker = "not-for-merge";
+ break;
+ case FETCH_HEAD_MERGE:
+ merge_status_marker = "";
+ break;
+ default:
+ /* do not write anything to FETCH_HEAD */
+ return;
+ }
+
+ strbuf_addf(&fetch_head->buf, "%s\t%s\t%s",
+ oid_to_hex_r(old_oid_hex, old_oid), merge_status_marker, note);
+ for (i = 0; i < url_len; ++i)
+ if ('\n' == url[i])
+ strbuf_addstr(&fetch_head->buf, "\\n");
+ else
+ strbuf_addch(&fetch_head->buf, url[i]);
+ strbuf_addch(&fetch_head->buf, '\n');
+
+ /*
+ * When using an atomic fetch, we do not want to update FETCH_HEAD if
+ * any of the reference updates fails. We thus have to write all
+ * updates to a buffer first and only commit it as soon as all
+ * references have been successfully updated.
+ */
+ if (!atomic_fetch) {
+ strbuf_write(&fetch_head->buf, fetch_head->fp);
+ strbuf_reset(&fetch_head->buf);
+ }
+}
+
+static void commit_fetch_head(struct fetch_head *fetch_head)
+{
+ if (!fetch_head->fp || !atomic_fetch)
+ return;
+ strbuf_write(&fetch_head->buf, fetch_head->fp);
+}
+
+static void close_fetch_head(struct fetch_head *fetch_head)
+{
+ if (!fetch_head->fp)
+ return;
+
+ fclose(fetch_head->fp);
+ strbuf_release(&fetch_head->buf);
+}
+
static const char warn_show_forced_updates[] =
N_("Fetch normally indicates which branches had a forced update,\n"
"but that check has been disabled. To re-enable, use '--show-forced-updates'\n"
@@ -909,22 +1013,20 @@ N_("It took %.2f seconds to check forced updates. You can use\n"
static int store_updated_refs(const char *raw_url, const char *remote_name,
int connectivity_checked, struct ref *ref_map)
{
- FILE *fp;
+ struct fetch_head fetch_head;
struct commit *commit;
int url_len, i, rc = 0;
- struct strbuf note = STRBUF_INIT;
+ struct strbuf note = STRBUF_INIT, err = STRBUF_INIT;
+ struct ref_transaction *transaction = NULL;
const char *what, *kind;
struct ref *rm;
char *url;
- const char *filename = (!write_fetch_head
- ? "/dev/null"
- : git_path_fetch_head(the_repository));
int want_status;
int summary_width = transport_summary_width(ref_map);
- fp = fopen(filename, "a");
- if (!fp)
- return error_errno(_("cannot open %s"), filename);
+ rc = open_fetch_head(&fetch_head);
+ if (rc)
+ return -1;
if (raw_url)
url = transport_anonymize_url(raw_url);
@@ -941,6 +1043,14 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
}
}
+ if (atomic_fetch) {
+ transaction = ref_transaction_begin(&err);
+ if (!transaction) {
+ error("%s", err.buf);
+ goto abort;
+ }
+ }
+
prepare_format_display(ref_map);
/*
@@ -953,7 +1063,6 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
want_status++) {
for (rm = ref_map; rm; rm = rm->next) {
struct ref *ref = NULL;
- const char *merge_status_marker = "";
if (rm->status == REF_STATUS_REJECT_SHALLOW) {
if (want_status == FETCH_HEAD_MERGE)
@@ -1011,31 +1120,15 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
strbuf_addf(&note, "%s ", kind);
strbuf_addf(&note, "'%s' of ", what);
}
- switch (rm->fetch_head_status) {
- case FETCH_HEAD_NOT_FOR_MERGE:
- merge_status_marker = "not-for-merge";
- /* fall-through */
- case FETCH_HEAD_MERGE:
- fprintf(fp, "%s\t%s\t%s",
- oid_to_hex(&rm->old_oid),
- merge_status_marker,
- note.buf);
- for (i = 0; i < url_len; ++i)
- if ('\n' == url[i])
- fputs("\\n", fp);
- else
- fputc(url[i], fp);
- fputc('\n', fp);
- break;
- default:
- /* do not write anything to FETCH_HEAD */
- break;
- }
+
+ append_fetch_head(&fetch_head, &rm->old_oid,
+ rm->fetch_head_status,
+ note.buf, url, url_len);
strbuf_reset(&note);
if (ref) {
- rc |= update_local_ref(ref, what, rm, &note,
- summary_width);
+ rc |= update_local_ref(ref, transaction, what,
+ rm, &note, summary_width);
free(ref);
} else if (write_fetch_head || dry_run) {
/*
@@ -1060,6 +1153,17 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
}
}
+ if (!rc && transaction) {
+ rc = ref_transaction_commit(transaction, &err);
+ if (rc) {
+ error("%s", err.buf);
+ goto abort;
+ }
+ }
+
+ if (!rc)
+ commit_fetch_head(&fetch_head);
+
if (rc & STORE_REF_ERROR_DF_CONFLICT)
error(_("some local refs could not be updated; try running\n"
" 'git remote prune %s' to remove any old, conflicting "
@@ -1076,8 +1180,10 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
abort:
strbuf_release(&note);
+ strbuf_release(&err);
+ ref_transaction_free(transaction);
free(url);
- fclose(fp);
+ close_fetch_head(&fetch_head);
return rc;
}
@@ -1349,7 +1455,8 @@ static int do_fetch(struct transport *transport,
int autotags = (transport->remote->fetch_tags == 1);
int retcode = 0;
const struct ref *remote_refs;
- struct strvec ref_prefixes = STRVEC_INIT;
+ struct transport_ls_refs_options transport_ls_refs_options =
+ TRANSPORT_LS_REFS_OPTIONS_INIT;
int must_list_refs = 1;
if (tags == TAGS_DEFAULT) {
@@ -1369,7 +1476,7 @@ static int do_fetch(struct transport *transport,
if (rs->nr) {
int i;
- refspec_ref_prefixes(rs, &ref_prefixes);
+ refspec_ref_prefixes(rs, &transport_ls_refs_options.ref_prefixes);
/*
* We can avoid listing refs if all of them are exact
@@ -1383,22 +1490,25 @@ static int do_fetch(struct transport *transport,
}
}
} else if (transport->remote && transport->remote->fetch.nr)
- refspec_ref_prefixes(&transport->remote->fetch, &ref_prefixes);
+ refspec_ref_prefixes(&transport->remote->fetch,
+ &transport_ls_refs_options.ref_prefixes);
if (tags == TAGS_SET || tags == TAGS_DEFAULT) {
must_list_refs = 1;
- if (ref_prefixes.nr)
- strvec_push(&ref_prefixes, "refs/tags/");
+ if (transport_ls_refs_options.ref_prefixes.nr)
+ strvec_push(&transport_ls_refs_options.ref_prefixes,
+ "refs/tags/");
}
if (must_list_refs) {
trace2_region_enter("fetch", "remote_refs", the_repository);
- remote_refs = transport_get_remote_refs(transport, &ref_prefixes);
+ remote_refs = transport_get_remote_refs(transport,
+ &transport_ls_refs_options);
trace2_region_leave("fetch", "remote_refs", the_repository);
} else
remote_refs = NULL;
- strvec_clear(&ref_prefixes);
+ strvec_clear(&transport_ls_refs_options.ref_prefixes);
ref_map = get_ref_map(transport->remote, remote_refs, rs,
tags, &autotags);
@@ -1887,6 +1997,10 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
die(_("--filter can only be used with the remote "
"configured in extensions.partialclone"));
+ if (atomic_fetch)
+ die(_("--atomic can only be used when fetching "
+ "from one remote"));
+
if (stdin_refspecs)
die(_("--stdin can only be used when fetching "
"from one remote"));
diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index 9d1ecda..cb9c81a 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -70,7 +70,7 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
if (!sorting)
sorting = ref_default_sorting();
- ref_sorting_icase_all(sorting, icase);
+ ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase);
filter.ignore_case = icase;
filter.name_patterns = argv;
diff --git a/builtin/for-each-repo.c b/builtin/for-each-repo.c
index 5bba623..52be64a 100644
--- a/builtin/for-each-repo.c
+++ b/builtin/for-each-repo.c
@@ -51,6 +51,13 @@ int cmd_for_each_repo(int argc, const char **argv, const char *prefix)
values = repo_config_get_value_multi(the_repository,
config_key);
+ /*
+ * Do nothing on an empty list, which is equivalent to the case
+ * where the config variable does not exist at all.
+ */
+ if (!values)
+ return 0;
+
for (i = 0; !result && i < values->nr; i++)
result = run_command_on_repo(values->items[i].string, &args);
diff --git a/builtin/fsck.c b/builtin/fsck.c
index fbf26ca..821e779 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -73,25 +73,7 @@ static const char *printable_type(const struct object_id *oid,
static int fsck_config(const char *var, const char *value, void *cb)
{
- if (strcmp(var, "fsck.skiplist") == 0) {
- const char *path;
- struct strbuf sb = STRBUF_INIT;
-
- if (git_config_pathname(&path, var, value))
- return 1;
- strbuf_addf(&sb, "skiplist=%s", path);
- free((char *)path);
- fsck_set_msg_types(&fsck_obj_options, sb.buf);
- strbuf_release(&sb);
- return 0;
- }
-
- if (skip_prefix(var, "fsck.", &var)) {
- fsck_set_msg_type(&fsck_obj_options, var, value);
- return 0;
- }
-
- return git_default_config(var, value, cb);
+ return fsck_config_internal(var, value, cb, &fsck_obj_options);
}
static int objerror(struct object *obj, const char *err)
diff --git a/builtin/gc.c b/builtin/gc.c
index b57fda4..ef7226d 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -54,7 +54,6 @@ static const char *prune_worktrees_expire = "3.months.ago";
static unsigned long big_pack_threshold;
static unsigned long max_delta_cache_size = DEFAULT_DELTA_CACHE_SIZE;
-static struct strvec pack_refs_cmd = STRVEC_INIT;
static struct strvec reflog = STRVEC_INIT;
static struct strvec repack = STRVEC_INIT;
static struct strvec prune = STRVEC_INIT;
@@ -92,7 +91,7 @@ static void process_log_file(void)
*/
int saved_errno = errno;
fprintf(stderr, _("Failed to fstat %s: %s"),
- get_tempfile_path(log_lock.tempfile),
+ get_lock_file_path(&log_lock),
strerror(saved_errno));
fflush(stderr);
commit_lock_file(&log_lock);
@@ -163,6 +162,15 @@ static void gc_config(void)
git_config(git_default_config, NULL);
}
+struct maintenance_run_opts;
+static int maintenance_task_pack_refs(MAYBE_UNUSED struct maintenance_run_opts *opts)
+{
+ struct strvec pack_refs_cmd = STRVEC_INIT;
+ strvec_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL);
+
+ return run_command_v_opt(pack_refs_cmd.v, RUN_GIT_CMD);
+}
+
static int too_many_loose_objects(void)
{
/*
@@ -301,7 +309,7 @@ static uint64_t estimate_repack_memory(struct packed_git *pack)
/* and then obj_hash[], underestimated in fact */
heap += sizeof(struct object *) * nr_objects;
/* revindex is used also */
- heap += sizeof(struct revindex_entry) * nr_objects;
+ heap += (sizeof(off_t) + sizeof(uint32_t)) * nr_objects;
/*
* read_sha1_file() (either at delta calculation phase, or
* writing phase) also fills up the delta base cache
@@ -518,8 +526,8 @@ static void gc_before_repack(void)
if (done++)
return;
- if (pack_refs && run_command_v_opt(pack_refs_cmd.v, RUN_GIT_CMD))
- die(FAILED_RUN, pack_refs_cmd.v[0]);
+ if (pack_refs && maintenance_task_pack_refs(NULL))
+ die(FAILED_RUN, "pack-refs");
if (prune_reflogs && run_command_v_opt(reflog.v, RUN_GIT_CMD))
die(FAILED_RUN, reflog.v[0]);
@@ -556,7 +564,6 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_gc_usage, builtin_gc_options);
- strvec_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL);
strvec_pushl(&reflog, "reflog", "expire", "--all", NULL);
strvec_pushl(&repack, "repack", "-d", "-l", NULL);
strvec_pushl(&prune, "prune", "--expire", NULL);
@@ -769,7 +776,7 @@ static int dfs_on_ref(const char *refname,
struct commit_list *stack = NULL;
struct commit *commit;
- if (!peel_ref(refname, &peeled))
+ if (!peel_iterated_oid(oid, &peeled))
oid = &peeled;
if (oid_object_info(the_repository, oid, NULL) != OBJ_COMMIT)
return 0;
@@ -897,6 +904,12 @@ static int maintenance_task_prefetch(struct maintenance_run_opts *opts)
struct string_list_item *item;
struct string_list remotes = STRING_LIST_INIT_DUP;
+ git_config_set_multivar_gently("log.excludedecoration",
+ "refs/prefetch/",
+ "refs/prefetch/",
+ CONFIG_FLAGS_FIXED_VALUE |
+ CONFIG_FLAGS_MULTI_REPLACE);
+
if (for_each_remote(append_remote, &remotes)) {
error(_("failed to fill remotes"));
result = 1;
@@ -1218,6 +1231,7 @@ enum maintenance_task_label {
TASK_INCREMENTAL_REPACK,
TASK_GC,
TASK_COMMIT_GRAPH,
+ TASK_PACK_REFS,
/* Leave as final value */
TASK__COUNT
@@ -1249,6 +1263,11 @@ static struct maintenance_task tasks[] = {
maintenance_task_commit_graph,
should_write_commit_graph,
},
+ [TASK_PACK_REFS] = {
+ "pack-refs",
+ maintenance_task_pack_refs,
+ NULL,
+ },
};
static int compare_tasks_by_selection(const void *a_, const void *b_)
@@ -1333,6 +1352,8 @@ static void initialize_maintenance_strategy(void)
tasks[TASK_INCREMENTAL_REPACK].schedule = SCHEDULE_DAILY;
tasks[TASK_LOOSE_OBJECTS].enabled = 1;
tasks[TASK_LOOSE_OBJECTS].schedule = SCHEDULE_DAILY;
+ tasks[TASK_PACK_REFS].enabled = 1;
+ tasks[TASK_PACK_REFS].schedule = SCHEDULE_WEEKLY;
}
}
@@ -1440,11 +1461,23 @@ static int maintenance_run(int argc, const char **argv, const char *prefix)
return maintenance_run_tasks(&opts);
}
+static char *get_maintpath(void)
+{
+ struct strbuf sb = STRBUF_INIT;
+ const char *p = the_repository->worktree ?
+ the_repository->worktree : the_repository->gitdir;
+
+ strbuf_realpath(&sb, p, 1);
+ return strbuf_detach(&sb, NULL);
+}
+
static int maintenance_register(void)
{
+ int rc;
char *config_value;
struct child_process config_set = CHILD_PROCESS_INIT;
struct child_process config_get = CHILD_PROCESS_INIT;
+ char *maintpath = get_maintpath();
/* Disable foreground maintenance */
git_config_set("maintenance.auto", "false");
@@ -1457,74 +1490,408 @@ static int maintenance_register(void)
config_get.git_cmd = 1;
strvec_pushl(&config_get.args, "config", "--global", "--get",
- "--fixed-value", "maintenance.repo",
- the_repository->worktree ? the_repository->worktree
- : the_repository->gitdir,
- NULL);
+ "--fixed-value", "maintenance.repo", maintpath, NULL);
config_get.out = -1;
- if (start_command(&config_get))
- return error(_("failed to run 'git config'"));
+ if (start_command(&config_get)) {
+ rc = error(_("failed to run 'git config'"));
+ goto done;
+ }
/* We already have this value in our config! */
- if (!finish_command(&config_get))
- return 0;
+ if (!finish_command(&config_get)) {
+ rc = 0;
+ goto done;
+ }
config_set.git_cmd = 1;
strvec_pushl(&config_set.args, "config", "--add", "--global", "maintenance.repo",
- the_repository->worktree ? the_repository->worktree
- : the_repository->gitdir,
- NULL);
+ maintpath, NULL);
+
+ rc = run_command(&config_set);
- return run_command(&config_set);
+done:
+ free(maintpath);
+ return rc;
}
static int maintenance_unregister(void)
{
+ int rc;
struct child_process config_unset = CHILD_PROCESS_INIT;
+ char *maintpath = get_maintpath();
config_unset.git_cmd = 1;
strvec_pushl(&config_unset.args, "config", "--global", "--unset",
- "--fixed-value", "maintenance.repo",
- the_repository->worktree ? the_repository->worktree
- : the_repository->gitdir,
- NULL);
+ "--fixed-value", "maintenance.repo", maintpath, NULL);
+
+ rc = run_command(&config_unset);
+ free(maintpath);
+ return rc;
+}
+
+static const char *get_frequency(enum schedule_priority schedule)
+{
+ switch (schedule) {
+ case SCHEDULE_HOURLY:
+ return "hourly";
+ case SCHEDULE_DAILY:
+ return "daily";
+ case SCHEDULE_WEEKLY:
+ return "weekly";
+ default:
+ BUG("invalid schedule %d", schedule);
+ }
+}
+
+static char *launchctl_service_name(const char *frequency)
+{
+ struct strbuf label = STRBUF_INIT;
+ strbuf_addf(&label, "org.git-scm.git.%s", frequency);
+ return strbuf_detach(&label, NULL);
+}
+
+static char *launchctl_service_filename(const char *name)
+{
+ char *expanded;
+ struct strbuf filename = STRBUF_INIT;
+ strbuf_addf(&filename, "~/Library/LaunchAgents/%s.plist", name);
+
+ expanded = expand_user_path(filename.buf, 1);
+ if (!expanded)
+ die(_("failed to expand path '%s'"), filename.buf);
+
+ strbuf_release(&filename);
+ return expanded;
+}
+
+static char *launchctl_get_uid(void)
+{
+ return xstrfmt("gui/%d", getuid());
+}
+
+static int launchctl_boot_plist(int enable, const char *filename, const char *cmd)
+{
+ int result;
+ struct child_process child = CHILD_PROCESS_INIT;
+ char *uid = launchctl_get_uid();
+
+ strvec_split(&child.args, cmd);
+ if (enable)
+ strvec_push(&child.args, "bootstrap");
+ else
+ strvec_push(&child.args, "bootout");
+ strvec_push(&child.args, uid);
+ strvec_push(&child.args, filename);
+
+ child.no_stderr = 1;
+ child.no_stdout = 1;
+
+ if (start_command(&child))
+ die(_("failed to start launchctl"));
+
+ result = finish_command(&child);
+
+ free(uid);
+ return result;
+}
+
+static int launchctl_remove_plist(enum schedule_priority schedule, const char *cmd)
+{
+ const char *frequency = get_frequency(schedule);
+ char *name = launchctl_service_name(frequency);
+ char *filename = launchctl_service_filename(name);
+ int result = launchctl_boot_plist(0, filename, cmd);
+ unlink(filename);
+ free(filename);
+ free(name);
+ return result;
+}
+
+static int launchctl_remove_plists(const char *cmd)
+{
+ return launchctl_remove_plist(SCHEDULE_HOURLY, cmd) ||
+ launchctl_remove_plist(SCHEDULE_DAILY, cmd) ||
+ launchctl_remove_plist(SCHEDULE_WEEKLY, cmd);
+}
+
+static int launchctl_schedule_plist(const char *exec_path, enum schedule_priority schedule, const char *cmd)
+{
+ FILE *plist;
+ int i;
+ const char *preamble, *repeat;
+ const char *frequency = get_frequency(schedule);
+ char *name = launchctl_service_name(frequency);
+ char *filename = launchctl_service_filename(name);
+
+ if (safe_create_leading_directories(filename))
+ die(_("failed to create directories for '%s'"), filename);
+ plist = xfopen(filename, "w");
+
+ preamble = "<?xml version=\"1.0\"?>\n"
+ "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
+ "<plist version=\"1.0\">"
+ "<dict>\n"
+ "<key>Label</key><string>%s</string>\n"
+ "<key>ProgramArguments</key>\n"
+ "<array>\n"
+ "<string>%s/git</string>\n"
+ "<string>--exec-path=%s</string>\n"
+ "<string>for-each-repo</string>\n"
+ "<string>--config=maintenance.repo</string>\n"
+ "<string>maintenance</string>\n"
+ "<string>run</string>\n"
+ "<string>--schedule=%s</string>\n"
+ "</array>\n"
+ "<key>StartCalendarInterval</key>\n"
+ "<array>\n";
+ fprintf(plist, preamble, name, exec_path, exec_path, frequency);
+
+ switch (schedule) {
+ case SCHEDULE_HOURLY:
+ repeat = "<dict>\n"
+ "<key>Hour</key><integer>%d</integer>\n"
+ "<key>Minute</key><integer>0</integer>\n"
+ "</dict>\n";
+ for (i = 1; i <= 23; i++)
+ fprintf(plist, repeat, i);
+ break;
+
+ case SCHEDULE_DAILY:
+ repeat = "<dict>\n"
+ "<key>Day</key><integer>%d</integer>\n"
+ "<key>Hour</key><integer>0</integer>\n"
+ "<key>Minute</key><integer>0</integer>\n"
+ "</dict>\n";
+ for (i = 1; i <= 6; i++)
+ fprintf(plist, repeat, i);
+ break;
+
+ case SCHEDULE_WEEKLY:
+ fprintf(plist,
+ "<dict>\n"
+ "<key>Day</key><integer>0</integer>\n"
+ "<key>Hour</key><integer>0</integer>\n"
+ "<key>Minute</key><integer>0</integer>\n"
+ "</dict>\n");
+ break;
+
+ default:
+ /* unreachable */
+ break;
+ }
+ fprintf(plist, "</array>\n</dict>\n</plist>\n");
+ fclose(plist);
+
+ /* bootout might fail if not already running, so ignore */
+ launchctl_boot_plist(0, filename, cmd);
+ if (launchctl_boot_plist(1, filename, cmd))
+ die(_("failed to bootstrap service %s"), filename);
+
+ free(filename);
+ free(name);
+ return 0;
+}
+
+static int launchctl_add_plists(const char *cmd)
+{
+ const char *exec_path = git_exec_path();
+
+ return launchctl_schedule_plist(exec_path, SCHEDULE_HOURLY, cmd) ||
+ launchctl_schedule_plist(exec_path, SCHEDULE_DAILY, cmd) ||
+ launchctl_schedule_plist(exec_path, SCHEDULE_WEEKLY, cmd);
+}
- return run_command(&config_unset);
+static int launchctl_update_schedule(int run_maintenance, int fd, const char *cmd)
+{
+ if (run_maintenance)
+ return launchctl_add_plists(cmd);
+ else
+ return launchctl_remove_plists(cmd);
+}
+
+static char *schtasks_task_name(const char *frequency)
+{
+ struct strbuf label = STRBUF_INIT;
+ strbuf_addf(&label, "Git Maintenance (%s)", frequency);
+ return strbuf_detach(&label, NULL);
+}
+
+static int schtasks_remove_task(enum schedule_priority schedule, const char *cmd)
+{
+ int result;
+ struct strvec args = STRVEC_INIT;
+ const char *frequency = get_frequency(schedule);
+ char *name = schtasks_task_name(frequency);
+
+ strvec_split(&args, cmd);
+ strvec_pushl(&args, "/delete", "/tn", name, "/f", NULL);
+
+ result = run_command_v_opt(args.v, 0);
+
+ strvec_clear(&args);
+ free(name);
+ return result;
+}
+
+static int schtasks_remove_tasks(const char *cmd)
+{
+ return schtasks_remove_task(SCHEDULE_HOURLY, cmd) ||
+ schtasks_remove_task(SCHEDULE_DAILY, cmd) ||
+ schtasks_remove_task(SCHEDULE_WEEKLY, cmd);
+}
+
+static int schtasks_schedule_task(const char *exec_path, enum schedule_priority schedule, const char *cmd)
+{
+ int result;
+ struct child_process child = CHILD_PROCESS_INIT;
+ const char *xml;
+ struct tempfile *tfile;
+ const char *frequency = get_frequency(schedule);
+ char *name = schtasks_task_name(frequency);
+ struct strbuf tfilename = STRBUF_INIT;
+
+ strbuf_addf(&tfilename, "%s/schedule_%s_XXXXXX",
+ get_git_common_dir(), frequency);
+ tfile = xmks_tempfile(tfilename.buf);
+ strbuf_release(&tfilename);
+
+ if (!fdopen_tempfile(tfile, "w"))
+ die(_("failed to create temp xml file"));
+
+ xml = "<?xml version=\"1.0\" ?>\n"
+ "<Task version=\"1.4\" xmlns=\"http://schemas.microsoft.com/windows/2004/02/mit/task\">\n"
+ "<Triggers>\n"
+ "<CalendarTrigger>\n";
+ fputs(xml, tfile->fp);
+
+ switch (schedule) {
+ case SCHEDULE_HOURLY:
+ fprintf(tfile->fp,
+ "<StartBoundary>2020-01-01T01:00:00</StartBoundary>\n"
+ "<Enabled>true</Enabled>\n"
+ "<ScheduleByDay>\n"
+ "<DaysInterval>1</DaysInterval>\n"
+ "</ScheduleByDay>\n"
+ "<Repetition>\n"
+ "<Interval>PT1H</Interval>\n"
+ "<Duration>PT23H</Duration>\n"
+ "<StopAtDurationEnd>false</StopAtDurationEnd>\n"
+ "</Repetition>\n");
+ break;
+
+ case SCHEDULE_DAILY:
+ fprintf(tfile->fp,
+ "<StartBoundary>2020-01-01T00:00:00</StartBoundary>\n"
+ "<Enabled>true</Enabled>\n"
+ "<ScheduleByWeek>\n"
+ "<DaysOfWeek>\n"
+ "<Monday />\n"
+ "<Tuesday />\n"
+ "<Wednesday />\n"
+ "<Thursday />\n"
+ "<Friday />\n"
+ "<Saturday />\n"
+ "</DaysOfWeek>\n"
+ "<WeeksInterval>1</WeeksInterval>\n"
+ "</ScheduleByWeek>\n");
+ break;
+
+ case SCHEDULE_WEEKLY:
+ fprintf(tfile->fp,
+ "<StartBoundary>2020-01-01T00:00:00</StartBoundary>\n"
+ "<Enabled>true</Enabled>\n"
+ "<ScheduleByWeek>\n"
+ "<DaysOfWeek>\n"
+ "<Sunday />\n"
+ "</DaysOfWeek>\n"
+ "<WeeksInterval>1</WeeksInterval>\n"
+ "</ScheduleByWeek>\n");
+ break;
+
+ default:
+ break;
+ }
+
+ xml = "</CalendarTrigger>\n"
+ "</Triggers>\n"
+ "<Principals>\n"
+ "<Principal id=\"Author\">\n"
+ "<LogonType>InteractiveToken</LogonType>\n"
+ "<RunLevel>LeastPrivilege</RunLevel>\n"
+ "</Principal>\n"
+ "</Principals>\n"
+ "<Settings>\n"
+ "<MultipleInstancesPolicy>IgnoreNew</MultipleInstancesPolicy>\n"
+ "<Enabled>true</Enabled>\n"
+ "<Hidden>true</Hidden>\n"
+ "<UseUnifiedSchedulingEngine>true</UseUnifiedSchedulingEngine>\n"
+ "<WakeToRun>false</WakeToRun>\n"
+ "<ExecutionTimeLimit>PT72H</ExecutionTimeLimit>\n"
+ "<Priority>7</Priority>\n"
+ "</Settings>\n"
+ "<Actions Context=\"Author\">\n"
+ "<Exec>\n"
+ "<Command>\"%s\\git.exe\"</Command>\n"
+ "<Arguments>--exec-path=\"%s\" for-each-repo --config=maintenance.repo maintenance run --schedule=%s</Arguments>\n"
+ "</Exec>\n"
+ "</Actions>\n"
+ "</Task>\n";
+ fprintf(tfile->fp, xml, exec_path, exec_path, frequency);
+ strvec_split(&child.args, cmd);
+ strvec_pushl(&child.args, "/create", "/tn", name, "/f", "/xml",
+ get_tempfile_path(tfile), NULL);
+ close_tempfile_gently(tfile);
+
+ child.no_stdout = 1;
+ child.no_stderr = 1;
+
+ if (start_command(&child))
+ die(_("failed to start schtasks"));
+ result = finish_command(&child);
+
+ delete_tempfile(&tfile);
+ free(name);
+ return result;
+}
+
+static int schtasks_schedule_tasks(const char *cmd)
+{
+ const char *exec_path = git_exec_path();
+
+ return schtasks_schedule_task(exec_path, SCHEDULE_HOURLY, cmd) ||
+ schtasks_schedule_task(exec_path, SCHEDULE_DAILY, cmd) ||
+ schtasks_schedule_task(exec_path, SCHEDULE_WEEKLY, cmd);
+}
+
+static int schtasks_update_schedule(int run_maintenance, int fd, const char *cmd)
+{
+ if (run_maintenance)
+ return schtasks_schedule_tasks(cmd);
+ else
+ return schtasks_remove_tasks(cmd);
}
#define BEGIN_LINE "# BEGIN GIT MAINTENANCE SCHEDULE"
#define END_LINE "# END GIT MAINTENANCE SCHEDULE"
-static int update_background_schedule(int run_maintenance)
+static int crontab_update_schedule(int run_maintenance, int fd, const char *cmd)
{
int result = 0;
int in_old_region = 0;
struct child_process crontab_list = CHILD_PROCESS_INIT;
struct child_process crontab_edit = CHILD_PROCESS_INIT;
FILE *cron_list, *cron_in;
- const char *crontab_name;
struct strbuf line = STRBUF_INIT;
- struct lock_file lk;
- char *lock_path = xstrfmt("%s/schedule", the_repository->objects->odb->path);
-
- if (hold_lock_file_for_update(&lk, lock_path, LOCK_NO_DEREF) < 0)
- return error(_("another process is scheduling background maintenance"));
-
- crontab_name = getenv("GIT_TEST_CRONTAB");
- if (!crontab_name)
- crontab_name = "crontab";
- strvec_split(&crontab_list.args, crontab_name);
+ strvec_split(&crontab_list.args, cmd);
strvec_push(&crontab_list.args, "-l");
crontab_list.in = -1;
- crontab_list.out = dup(lk.tempfile->fd);
+ crontab_list.out = dup(fd);
crontab_list.git_cmd = 0;
- if (start_command(&crontab_list)) {
- result = error(_("failed to run 'crontab -l'; your system might not support 'cron'"));
- goto cleanup;
- }
+ if (start_command(&crontab_list))
+ return error(_("failed to run 'crontab -l'; your system might not support 'cron'"));
/* Ignore exit code, as an empty crontab will return error. */
finish_command(&crontab_list);
@@ -1533,17 +1900,15 @@ static int update_background_schedule(int run_maintenance)
* Read from the .lock file, filtering out the old
* schedule while appending the new schedule.
*/
- cron_list = fdopen(lk.tempfile->fd, "r");
+ cron_list = fdopen(fd, "r");
rewind(cron_list);
- strvec_split(&crontab_edit.args, crontab_name);
+ strvec_split(&crontab_edit.args, cmd);
crontab_edit.in = -1;
crontab_edit.git_cmd = 0;
- if (start_command(&crontab_edit)) {
- result = error(_("failed to run 'crontab'; your system might not support 'cron'"));
- goto cleanup;
- }
+ if (start_command(&crontab_edit))
+ return error(_("failed to run 'crontab'; your system might not support 'cron'"));
cron_in = fdopen(crontab_edit.in, "w");
if (!cron_in) {
@@ -1554,11 +1919,10 @@ static int update_background_schedule(int run_maintenance)
while (!strbuf_getline_lf(&line, cron_list)) {
if (!in_old_region && !strcmp(line.buf, BEGIN_LINE))
in_old_region = 1;
- if (in_old_region)
- continue;
- fprintf(cron_in, "%s\n", line.buf);
- if (in_old_region && !strcmp(line.buf, END_LINE))
+ else if (in_old_region && !strcmp(line.buf, END_LINE))
in_old_region = 0;
+ else if (!in_old_region)
+ fprintf(cron_in, "%s\n", line.buf);
}
if (run_maintenance) {
@@ -1588,14 +1952,54 @@ static int update_background_schedule(int run_maintenance)
close(crontab_edit.in);
done_editing:
- if (finish_command(&crontab_edit)) {
+ if (finish_command(&crontab_edit))
result = error(_("'crontab' died"));
- goto cleanup;
+ else
+ fclose(cron_list);
+ return result;
+}
+
+#if defined(__APPLE__)
+static const char platform_scheduler[] = "launchctl";
+#elif defined(GIT_WINDOWS_NATIVE)
+static const char platform_scheduler[] = "schtasks";
+#else
+static const char platform_scheduler[] = "crontab";
+#endif
+
+static int update_background_schedule(int enable)
+{
+ int result;
+ const char *scheduler = platform_scheduler;
+ const char *cmd = scheduler;
+ char *testing;
+ struct lock_file lk;
+ char *lock_path = xstrfmt("%s/schedule", the_repository->objects->odb->path);
+
+ testing = xstrdup_or_null(getenv("GIT_TEST_MAINT_SCHEDULER"));
+ if (testing) {
+ char *sep = strchr(testing, ':');
+ if (!sep)
+ die("GIT_TEST_MAINT_SCHEDULER unparseable: %s", testing);
+ *sep = '\0';
+ scheduler = testing;
+ cmd = sep + 1;
}
- fclose(cron_list);
-cleanup:
+ if (hold_lock_file_for_update(&lk, lock_path, LOCK_NO_DEREF) < 0)
+ return error(_("another process is scheduling background maintenance"));
+
+ if (!strcmp(scheduler, "launchctl"))
+ result = launchctl_update_schedule(enable, get_lock_file_fd(&lk), cmd);
+ else if (!strcmp(scheduler, "schtasks"))
+ result = schtasks_update_schedule(enable, get_lock_file_fd(&lk), cmd);
+ else if (!strcmp(scheduler, "crontab"))
+ result = crontab_update_schedule(enable, get_lock_file_fd(&lk), cmd);
+ else
+ die("unknown background scheduler: %s", scheduler);
+
rollback_lock_file(&lk);
+ free(testing);
return result;
}
diff --git a/builtin/grep.c b/builtin/grep.c
index ca259af..4e91a25 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -216,8 +216,6 @@ static void start_threads(struct grep_opt *opt)
int err;
struct grep_opt *o = grep_opt_dup(opt);
o->output = strbuf_out;
- if (i)
- o->debug = 0;
compile_grep_patterns(o);
err = pthread_create(&threads[i], NULL, run, o);
@@ -508,6 +506,10 @@ static int grep_cache(struct grep_opt *opt,
for (nr = 0; nr < repo->index->cache_nr; nr++) {
const struct cache_entry *ce = repo->index->cache[nr];
+
+ if (!cached && ce_skip_worktree(ce))
+ continue;
+
strbuf_setlen(&name, name_base_len);
strbuf_addstr(&name, ce->name);
@@ -520,8 +522,7 @@ static int grep_cache(struct grep_opt *opt,
* cache entry are identical, even if worktree file has
* been modified, so use cache version instead
*/
- if (cached || (ce->ce_flags & CE_VALID) ||
- ce_skip_worktree(ce)) {
+ if (cached || (ce->ce_flags & CE_VALID)) {
if (ce_stage(ce) || ce_intent_to_add(ce))
continue;
hit |= grep_oid(opt, &ce->oid, name.buf,
@@ -936,9 +937,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
N_("indicate hit with exit status without output")),
OPT_BOOL(0, "all-match", &opt.all_match,
N_("show only matches from files that match all patterns")),
- OPT_SET_INT_F(0, "debug", &opt.debug,
- N_("show parse tree for grep expression"),
- 1, PARSE_OPT_HIDDEN),
OPT_GROUP(""),
{ OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
N_("pager"), N_("show matching files in the pager"),
@@ -1157,6 +1155,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
if (!use_index && (untracked || cached))
die(_("--cached or --untracked cannot be used with --no-index"));
+ if (untracked && cached)
+ die(_("--untracked cannot be used with --cached"));
+
if (!use_index || untracked) {
int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude;
hit = grep_directory(&opt, &pathspec, use_exclude, use_index);
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 4b8d86e..bad5748 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -17,7 +17,7 @@
#include "promisor-remote.h"
static const char index_pack_usage[] =
-"git index-pack [-v] [-o <index-file>] [--keep | --keep=<msg>] [--verify] [--strict] (<pack-file> | --stdin [--fix-thin] [<pack-file>])";
+"git index-pack [-v] [-o <index-file>] [--keep | --keep=<msg>] [--[no-]rev-index] [--verify] [--strict] (<pack-file> | --stdin [--fix-thin] [<pack-file>])";
struct object_entry {
struct pack_idx_entry idx;
@@ -1436,15 +1436,15 @@ static void fix_unresolved_deltas(struct hashfile *f)
free(sorted_by_pos);
}
-static const char *derive_filename(const char *pack_name, const char *suffix,
- struct strbuf *buf)
+static const char *derive_filename(const char *pack_name, const char *strip,
+ const char *suffix, struct strbuf *buf)
{
size_t len;
- if (!strip_suffix(pack_name, ".pack", &len))
- die(_("packfile name '%s' does not end with '.pack'"),
- pack_name);
+ if (!strip_suffix(pack_name, strip, &len) || !len ||
+ pack_name[len - 1] != '.')
+ die(_("packfile name '%s' does not end with '.%s'"),
+ pack_name, strip);
strbuf_add(buf, pack_name, len);
- strbuf_addch(buf, '.');
strbuf_addstr(buf, suffix);
return buf->buf;
}
@@ -1459,7 +1459,7 @@ static void write_special_file(const char *suffix, const char *msg,
int msg_len = strlen(msg);
if (pack_name)
- filename = derive_filename(pack_name, suffix, &name_buf);
+ filename = derive_filename(pack_name, "pack", suffix, &name_buf);
else
filename = odb_pack_name(&name_buf, hash, suffix);
@@ -1484,12 +1484,14 @@ static void write_special_file(const char *suffix, const char *msg,
static void final(const char *final_pack_name, const char *curr_pack_name,
const char *final_index_name, const char *curr_index_name,
+ const char *final_rev_index_name, const char *curr_rev_index_name,
const char *keep_msg, const char *promisor_msg,
unsigned char *hash)
{
const char *report = "pack";
struct strbuf pack_name = STRBUF_INIT;
struct strbuf index_name = STRBUF_INIT;
+ struct strbuf rev_index_name = STRBUF_INIT;
int err;
if (!from_stdin) {
@@ -1524,6 +1526,16 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
} else
chmod(final_index_name, 0444);
+ if (curr_rev_index_name) {
+ if (final_rev_index_name != curr_rev_index_name) {
+ if (!final_rev_index_name)
+ final_rev_index_name = odb_pack_name(&rev_index_name, hash, "rev");
+ if (finalize_object_file(curr_rev_index_name, final_rev_index_name))
+ die(_("cannot store reverse index file"));
+ } else
+ chmod(final_rev_index_name, 0444);
+ }
+
if (do_fsck_object) {
struct packed_git *p;
p = add_packed_git(final_index_name, strlen(final_index_name), 0);
@@ -1553,6 +1565,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
}
}
+ strbuf_release(&rev_index_name);
strbuf_release(&index_name);
strbuf_release(&pack_name);
}
@@ -1578,6 +1591,12 @@ static int git_index_pack_config(const char *k, const char *v, void *cb)
}
return 0;
}
+ if (!strcmp(k, "pack.writereverseindex")) {
+ if (git_config_bool(k, v))
+ opts->flags |= WRITE_REV;
+ else
+ opts->flags &= ~WRITE_REV;
+ }
return git_default_config(k, v, cb);
}
@@ -1641,7 +1660,7 @@ static void read_idx_option(struct pack_idx_option *opts, const char *pack_name)
/*
* Get rid of the idx file as we do not need it anymore.
* NEEDSWORK: extract this bit from free_pack_by_name() in
- * sha1-file.c, perhaps? It shouldn't matter very much as we
+ * object-file.c, perhaps? It shouldn't matter very much as we
* know we haven't installed this pack (hence we never have
* read anything from it).
*/
@@ -1693,14 +1712,32 @@ static void show_pack_info(int stat_only)
}
}
+static int print_dangling_gitmodules(struct fsck_options *o,
+ const struct object_id *oid,
+ enum object_type object_type,
+ int msg_type, const char *message)
+{
+ /*
+ * NEEDSWORK: Plumb the MSG_ID (from fsck.c) here and use it
+ * instead of relying on this string check.
+ */
+ if (starts_with(message, "gitmodulesMissing")) {
+ printf("%s\n", oid_to_hex(oid));
+ return 0;
+ }
+ return fsck_error_function(o, oid, object_type, msg_type, message);
+}
+
int cmd_index_pack(int argc, const char **argv, const char *prefix)
{
- int i, fix_thin_pack = 0, verify = 0, stat_only = 0;
+ int i, fix_thin_pack = 0, verify = 0, stat_only = 0, rev_index;
const char *curr_index;
- const char *index_name = NULL, *pack_name = NULL;
+ const char *curr_rev_index = NULL;
+ const char *index_name = NULL, *pack_name = NULL, *rev_index_name = NULL;
const char *keep_msg = NULL;
const char *promisor_msg = NULL;
struct strbuf index_name_buf = STRBUF_INIT;
+ struct strbuf rev_index_name_buf = STRBUF_INIT;
struct pack_idx_entry **idx_objects;
struct pack_idx_option opts;
unsigned char pack_hash[GIT_MAX_RAWSZ];
@@ -1727,6 +1764,11 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
if (prefix && chdir(prefix))
die(_("Cannot come back to cwd"));
+ if (git_env_bool(GIT_TEST_WRITE_REV_INDEX, 0))
+ rev_index = 1;
+ else
+ rev_index = !!(opts.flags & (WRITE_REV_VERIFY | WRITE_REV));
+
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
@@ -1805,6 +1847,10 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
if (hash_algo == GIT_HASH_UNKNOWN)
die(_("unknown hash algorithm '%s'"), arg);
repo_set_hash_algo(the_repository, hash_algo);
+ } else if (!strcmp(arg, "--rev-index")) {
+ rev_index = 1;
+ } else if (!strcmp(arg, "--no-rev-index")) {
+ rev_index = 0;
} else
usage(index_pack_usage);
continue;
@@ -1824,7 +1870,16 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
if (from_stdin && hash_algo)
die(_("--object-format cannot be used with --stdin"));
if (!index_name && pack_name)
- index_name = derive_filename(pack_name, "idx", &index_name_buf);
+ index_name = derive_filename(pack_name, "pack", "idx", &index_name_buf);
+
+ opts.flags &= ~(WRITE_REV | WRITE_REV_VERIFY);
+ if (rev_index) {
+ opts.flags |= verify ? WRITE_REV_VERIFY : WRITE_REV;
+ if (index_name)
+ rev_index_name = derive_filename(index_name,
+ "idx", "rev",
+ &rev_index_name_buf);
+ }
if (verify) {
if (!index_name)
@@ -1878,25 +1933,38 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix)
for (i = 0; i < nr_objects; i++)
idx_objects[i] = &objects[i].idx;
curr_index = write_idx_file(index_name, idx_objects, nr_objects, &opts, pack_hash);
+ if (rev_index)
+ curr_rev_index = write_rev_file(rev_index_name, idx_objects,
+ nr_objects, pack_hash,
+ opts.flags);
free(idx_objects);
if (!verify)
final(pack_name, curr_pack,
index_name, curr_index,
+ rev_index_name, curr_rev_index,
keep_msg, promisor_msg,
pack_hash);
else
close(input_fd);
- if (do_fsck_object && fsck_finish(&fsck_options))
- die(_("fsck error in pack objects"));
+ if (do_fsck_object) {
+ struct fsck_options fo = fsck_options;
+
+ fo.error_func = print_dangling_gitmodules;
+ if (fsck_finish(&fo))
+ die(_("fsck error in pack objects"));
+ }
free(objects);
strbuf_release(&index_name_buf);
+ strbuf_release(&rev_index_name_buf);
if (pack_name == NULL)
free((void *) curr_pack);
if (index_name == NULL)
free((void *) curr_index);
+ if (rev_index_name == NULL)
+ free((void *) curr_rev_index);
/*
* Let the caller know this pack is not self contained
diff --git a/builtin/log.c b/builtin/log.c
index bd6ff4f..f67b67d 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -12,6 +12,7 @@
#include "color.h"
#include "commit.h"
#include "diff.h"
+#include "diff-merges.h"
#include "revision.h"
#include "log-tree.h"
#include "builtin.h"
@@ -177,7 +178,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
const struct option builtin_log_options[] = {
OPT__QUIET(&quiet, N_("suppress diff output")),
OPT_BOOL(0, "source", &source, N_("show source")),
- OPT_BOOL(0, "use-mailmap", &mailmap, N_("Use mail map file")),
+ OPT_BOOL(0, "use-mailmap", &mailmap, N_("use mail map file")),
OPT_ALIAS(0, "mailmap", "use-mailmap"),
OPT_STRING_LIST(0, "decorate-refs", &decorate_refs_include,
N_("pattern"), N_("only decorate refs that match <pattern>")),
@@ -186,7 +187,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
OPT_CALLBACK_F(0, "decorate", NULL, NULL, N_("decorate options"),
PARSE_OPT_OPTARG, decorate_callback),
OPT_CALLBACK('L', NULL, &line_cb, "range:file",
- N_("Trace the evolution of line range <start>,<end> or function :<funcname> in <file>"),
+ N_("trace the evolution of line range <start>,<end> or function :<funcname> in <file>"),
log_line_range_callback),
OPT_END()
};
@@ -230,7 +231,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
if (mailmap) {
rev->mailmap = xcalloc(1, sizeof(struct string_list));
- read_mailmap(rev->mailmap, NULL);
+ read_mailmap(rev->mailmap);
}
if (rev->pretty_given && rev->commit_format == CMIT_FMT_RAW) {
@@ -306,10 +307,11 @@ static struct itimerval early_output_timer;
static void log_show_early(struct rev_info *revs, struct commit_list *list)
{
- int i = revs->early_output, close_file = revs->diffopt.close_file;
+ int i = revs->early_output;
int show_header = 1;
+ int no_free = revs->diffopt.no_free;
- revs->diffopt.close_file = 0;
+ revs->diffopt.no_free = 0;
sort_in_topological_order(&list, revs->sort_order);
while (list && i) {
struct commit *commit = list->item;
@@ -326,8 +328,8 @@ static void log_show_early(struct rev_info *revs, struct commit_list *list)
case commit_ignore:
break;
case commit_error:
- if (close_file)
- fclose(revs->diffopt.file);
+ revs->diffopt.no_free = no_free;
+ diff_free(&revs->diffopt);
return;
}
list = list->next;
@@ -335,8 +337,8 @@ static void log_show_early(struct rev_info *revs, struct commit_list *list)
/* Did we already get enough commits for the early output? */
if (!i) {
- if (close_file)
- fclose(revs->diffopt.file);
+ revs->diffopt.no_free = 0;
+ diff_free(&revs->diffopt);
return;
}
@@ -400,7 +402,7 @@ static int cmd_log_walk(struct rev_info *rev)
{
struct commit *commit;
int saved_nrl = 0;
- int saved_dcctc = 0, close_file = rev->diffopt.close_file;
+ int saved_dcctc = 0;
if (rev->early_output)
setup_early_output();
@@ -416,7 +418,7 @@ static int cmd_log_walk(struct rev_info *rev)
* and HAS_CHANGES being accumulated in rev->diffopt, so be careful to
* retain that state information if replacing rev->diffopt in this loop
*/
- rev->diffopt.close_file = 0;
+ rev->diffopt.no_free = 1;
while ((commit = get_revision(rev)) != NULL) {
if (!log_tree_commit(rev, commit) && rev->max_count >= 0)
/*
@@ -441,8 +443,8 @@ static int cmd_log_walk(struct rev_info *rev)
}
rev->diffopt.degraded_cc_to_c = saved_dcctc;
rev->diffopt.needed_rename_limit = saved_nrl;
- if (close_file)
- fclose(rev->diffopt.file);
+ rev->diffopt.no_free = 0;
+ diff_free(&rev->diffopt);
if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF &&
rev->diffopt.flags.check_failed) {
@@ -607,15 +609,10 @@ static int show_tree_object(const struct object_id *oid,
static void show_setup_revisions_tweak(struct rev_info *rev,
struct setup_revision_opt *opt)
{
- if (rev->ignore_merges < 0) {
- /* There was no "-m" variant on the command line */
- rev->ignore_merges = 0;
- if (!rev->first_parent_only && !rev->combine_merges) {
- /* No "--first-parent", "-c", or "--cc" */
- rev->combine_merges = 1;
- rev->dense_combined_merges = 1;
- }
- }
+ if (rev->first_parent_only)
+ diff_merges_default_to_first_parent(rev);
+ else
+ diff_merges_default_to_dense_combined(rev);
if (!rev->diffopt.output_format)
rev->diffopt.output_format = DIFF_FORMAT_PATCH;
}
@@ -736,12 +733,8 @@ static void log_setup_revisions_tweak(struct rev_info *rev,
rev->prune_data.nr == 1)
rev->diffopt.flags.follow_renames = 1;
- /* Turn --cc/-c into -p --cc/-c when -p was not given */
- if (!rev->diffopt.output_format && rev->combine_merges)
- rev->diffopt.output_format = DIFF_FORMAT_PATCH;
-
- if (rev->first_parent_only && rev->ignore_merges < 0)
- rev->ignore_merges = 0;
+ if (rev->first_parent_only)
+ diff_merges_default_to_first_parent(rev);
}
int cmd_log(int argc, const char **argv, const char *prefix)
@@ -1231,14 +1224,20 @@ static void make_cover_letter(struct rev_info *rev, int use_separate_file,
*/
struct diff_options opts;
struct strvec other_arg = STRVEC_INIT;
+ struct range_diff_options range_diff_opts = {
+ .creation_factor = rev->creation_factor,
+ .dual_color = 1,
+ .diffopt = &opts,
+ .other_arg = &other_arg
+ };
+
diff_setup(&opts);
opts.file = rev->diffopt.file;
opts.use_color = rev->diffopt.use_color;
diff_setup_done(&opts);
fprintf_ln(rev->diffopt.file, "%s", rev->rdiff_title);
get_notes_args(&other_arg, rev);
- show_range_diff(rev->rdiff1, rev->rdiff2,
- rev->creation_factor, 1, &opts, &other_arg);
+ show_range_diff(rev->rdiff1, rev->rdiff2, &range_diff_opts);
strvec_clear(&other_arg);
}
}
@@ -1680,7 +1679,7 @@ static void infer_range_diff_ranges(struct strbuf *r1,
struct commit *head)
{
const char *head_oid = oid_to_hex(&head->object.oid);
- int prev_is_range = !!strstr(prev, "..");
+ int prev_is_range = is_range_diff_range(prev);
if (prev_is_range)
strbuf_addstr(r1, prev);
@@ -1757,13 +1756,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
OPT_INTEGER(0, "filename-max-length", &fmt_patch_name_max,
N_("max length of output filename")),
OPT_CALLBACK_F(0, "rfc", &rev, NULL,
- N_("Use [RFC PATCH] instead of [PATCH]"),
+ N_("use [RFC PATCH] instead of [PATCH]"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG, rfc_callback),
OPT_STRING(0, "cover-from-description", &cover_from_description_arg,
N_("cover-from-description-mode"),
N_("generate parts of a cover letter based on a branch's description")),
OPT_CALLBACK_F(0, "subject-prefix", &rev, N_("prefix"),
- N_("Use [<prefix>] instead of [PATCH]"),
+ N_("use [<prefix>] instead of [PATCH]"),
PARSE_OPT_NONEG, subject_prefix_callback),
OPT_CALLBACK_F('o', "output-directory", &output_directory,
N_("dir"), N_("store resulting files in <dir>"),
@@ -1963,7 +1962,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
* file, but but we must instruct it not to close after each
* diff.
*/
- rev.diffopt.close_file = 0;
+ rev.diffopt.no_free = 1;
} else {
int saved;
diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index c8eae89..f6f9e48 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -35,6 +35,7 @@ static int line_terminator = '\n';
static int debug_mode;
static int show_eol;
static int recurse_submodules;
+static int skipping_duplicates;
static const char *prefix;
static int max_prefix_len;
@@ -312,45 +313,59 @@ static void show_files(struct repository *repo, struct dir_struct *dir)
if (show_killed)
show_killed_files(repo->index, dir);
}
- if (show_cached || show_stage) {
- for (i = 0; i < repo->index->cache_nr; i++) {
- const struct cache_entry *ce = repo->index->cache[i];
- construct_fullname(&fullname, repo, ce);
+ if (!(show_cached || show_stage || show_deleted || show_modified))
+ return;
+ for (i = 0; i < repo->index->cache_nr; i++) {
+ const struct cache_entry *ce = repo->index->cache[i];
+ struct stat st;
+ int stat_err;
- if ((dir->flags & DIR_SHOW_IGNORED) &&
- !ce_excluded(dir, repo->index, fullname.buf, ce))
- continue;
- if (show_unmerged && !ce_stage(ce))
- continue;
- if (ce->ce_flags & CE_UPDATE)
- continue;
+ construct_fullname(&fullname, repo, ce);
+
+ if ((dir->flags & DIR_SHOW_IGNORED) &&
+ !ce_excluded(dir, repo->index, fullname.buf, ce))
+ continue;
+ if (ce->ce_flags & CE_UPDATE)
+ continue;
+ if ((show_cached || show_stage) &&
+ (!show_unmerged || ce_stage(ce))) {
show_ce(repo, dir, ce, fullname.buf,
ce_stage(ce) ? tag_unmerged :
(ce_skip_worktree(ce) ? tag_skip_worktree :
tag_cached));
+ if (skipping_duplicates)
+ goto skip_to_next_name;
}
- }
- if (show_deleted || show_modified) {
- for (i = 0; i < repo->index->cache_nr; i++) {
- const struct cache_entry *ce = repo->index->cache[i];
- struct stat st;
- int err;
- construct_fullname(&fullname, repo, ce);
-
- if ((dir->flags & DIR_SHOW_IGNORED) &&
- !ce_excluded(dir, repo->index, fullname.buf, ce))
- continue;
- if (ce->ce_flags & CE_UPDATE)
- continue;
- if (ce_skip_worktree(ce))
- continue;
- err = lstat(fullname.buf, &st);
- if (show_deleted && err)
- show_ce(repo, dir, ce, fullname.buf, tag_removed);
- if (show_modified && ie_modified(repo->index, ce, &st, 0))
- show_ce(repo, dir, ce, fullname.buf, tag_modified);
+ if (!(show_deleted || show_modified))
+ continue;
+ if (ce_skip_worktree(ce))
+ continue;
+ stat_err = lstat(fullname.buf, &st);
+ if (stat_err && (errno != ENOENT && errno != ENOTDIR))
+ error_errno("cannot lstat '%s'", fullname.buf);
+ if (stat_err && show_deleted) {
+ show_ce(repo, dir, ce, fullname.buf, tag_removed);
+ if (skipping_duplicates)
+ goto skip_to_next_name;
+ }
+ if (show_modified &&
+ (stat_err || ie_modified(repo->index, ce, &st, 0))) {
+ show_ce(repo, dir, ce, fullname.buf, tag_modified);
+ if (skipping_duplicates)
+ goto skip_to_next_name;
+ }
+ continue;
+
+skip_to_next_name:
+ {
+ int j;
+ struct cache_entry **cache = repo->index->cache;
+ for (j = i + 1; j < repo->index->cache_nr; j++)
+ if (strcmp(ce->name, cache[j]->name))
+ break;
+ i = j - 1; /* compensate for the for loop */
}
}
@@ -578,6 +593,8 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
N_("pretend that paths removed since <tree-ish> are still present")),
OPT__ABBREV(&abbrev),
OPT_BOOL(0, "debug", &debug_mode, N_("show debugging data")),
+ OPT_BOOL(0, "deduplicate", &skipping_duplicates,
+ N_("suppress duplicate entries")),
OPT_END()
};
@@ -617,6 +634,8 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
* you also show the stage information.
*/
show_stage = 1;
+ if (show_tag || show_stage)
+ skipping_duplicates = 0;
if (dir.exclude_per_dir)
exc_given = 1;
diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c
index 092917e..ef60475 100644
--- a/builtin/ls-remote.c
+++ b/builtin/ls-remote.c
@@ -45,7 +45,8 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
int show_symref_target = 0;
const char *uploadpack = NULL;
const char **pattern = NULL;
- struct strvec ref_prefixes = STRVEC_INIT;
+ struct transport_ls_refs_options transport_options =
+ TRANSPORT_LS_REFS_OPTIONS_INIT;
int i;
struct string_list server_options = STRING_LIST_INIT_DUP;
@@ -94,9 +95,9 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
}
if (flags & REF_TAGS)
- strvec_push(&ref_prefixes, "refs/tags/");
+ strvec_push(&transport_options.ref_prefixes, "refs/tags/");
if (flags & REF_HEADS)
- strvec_push(&ref_prefixes, "refs/heads/");
+ strvec_push(&transport_options.ref_prefixes, "refs/heads/");
remote = remote_get(dest);
if (!remote) {
@@ -118,7 +119,7 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
if (server_options.nr)
transport->server_options = &server_options;
- ref = transport_get_remote_refs(transport, &ref_prefixes);
+ ref = transport_get_remote_refs(transport, &transport_options);
if (ref) {
int hash_algo = hash_algo_by_ptr(transport_get_hash_algo(transport));
repo_set_hash_algo(the_repository, hash_algo);
diff --git a/builtin/merge.c b/builtin/merge.c
index 1cff730..eb00b27 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -14,6 +14,7 @@
#include "lockfile.h"
#include "run-command.h"
#include "diff.h"
+#include "diff-merges.h"
#include "refs.h"
#include "refspec.h"
#include "commit.h"
@@ -409,7 +410,7 @@ static void squash_message(struct commit *commit, struct commit_list *remotehead
printf(_("Squash commit -- not updating HEAD\n"));
repo_init_revisions(the_repository, &rev, NULL);
- rev.ignore_merges = 1;
+ diff_merges_suppress(&rev);
rev.commit_format = CMIT_FMT_MEDIUM;
commit->object.flags |= UNINTERESTING;
diff --git a/builtin/mktag.c b/builtin/mktag.c
index 4982d3a..41a399a 100644
--- a/builtin/mktag.c
+++ b/builtin/mktag.c
@@ -1,179 +1,110 @@
#include "builtin.h"
+#include "parse-options.h"
#include "tag.h"
#include "replace-object.h"
#include "object-store.h"
+#include "fsck.h"
+#include "config.h"
-/*
- * A signature file has a very simple fixed format: four lines
- * of "object <sha1>" + "type <typename>" + "tag <tagname>" +
- * "tagger <committer>", followed by a blank line, a free-form tag
- * message and a signature block that git itself doesn't care about,
- * but that can be verified with gpg or similar.
- *
- * The first four lines are guaranteed to be at least 83 bytes:
- * "object <sha1>\n" is 48 bytes, "type tag\n" at 9 bytes is the
- * shortest possible type-line, "tag .\n" at 6 bytes is the shortest
- * single-character-tag line, and "tagger . <> 0 +0000\n" at 20 bytes is
- * the shortest possible tagger-line.
- */
-
-/*
- * We refuse to tag something we can't verify. Just because.
- */
-static int verify_object(const struct object_id *oid, const char *expected_type)
+static char const * const builtin_mktag_usage[] = {
+ N_("git mktag"),
+ NULL
+};
+static int option_strict = 1;
+
+static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT;
+
+static int mktag_config(const char *var, const char *value, void *cb)
{
- int ret = -1;
- enum object_type type;
- unsigned long size;
- void *buffer = read_object_file(oid, &type, &size);
- const struct object_id *repl = lookup_replace_object(the_repository, oid);
-
- if (buffer) {
- if (type == type_from_string(expected_type)) {
- ret = check_object_signature(the_repository, repl,
- buffer, size,
- expected_type);
+ return fsck_config_internal(var, value, cb, &fsck_options);
+}
+
+static int mktag_fsck_error_func(struct fsck_options *o,
+ const struct object_id *oid,
+ enum object_type object_type,
+ int msg_type, const char *message)
+{
+ switch (msg_type) {
+ case FSCK_WARN:
+ if (!option_strict) {
+ fprintf_ln(stderr, _("warning: tag input does not pass fsck: %s"), message);
+ return 0;
+
}
- free(buffer);
+ /* fallthrough */
+ case FSCK_ERROR:
+ /*
+ * We treat both warnings and errors as errors, things
+ * like missing "tagger" lines are "only" warnings
+ * under fsck, we've always considered them an error.
+ */
+ fprintf_ln(stderr, _("error: tag input does not pass fsck: %s"), message);
+ return 1;
+ default:
+ BUG(_("%d (FSCK_IGNORE?) should never trigger this callback"),
+ msg_type);
}
- return ret;
}
-static int verify_tag(char *buffer, unsigned long size)
+static int verify_object_in_tag(struct object_id *tagged_oid, int *tagged_type)
{
- int typelen;
- char type[20];
- struct object_id oid;
- const char *object, *type_line, *tag_line, *tagger_line, *lb, *rb, *p;
- size_t len;
-
- if (size < 84)
- return error("wanna fool me ? you obviously got the size wrong !");
-
- buffer[size] = 0;
-
- /* Verify object line */
- object = buffer;
- if (memcmp(object, "object ", 7))
- return error("char%d: does not start with \"object \"", 0);
-
- if (parse_oid_hex(object + 7, &oid, &p))
- return error("char%d: could not get SHA1 hash", 7);
-
- /* Verify type line */
- type_line = p + 1;
- if (memcmp(type_line - 1, "\ntype ", 6))
- return error("char%d: could not find \"\\ntype \"", 47);
-
- /* Verify tag-line */
- tag_line = strchr(type_line, '\n');
- if (!tag_line)
- return error("char%"PRIuMAX": could not find next \"\\n\"",
- (uintmax_t) (type_line - buffer));
- tag_line++;
- if (memcmp(tag_line, "tag ", 4) || tag_line[4] == '\n')
- return error("char%"PRIuMAX": no \"tag \" found",
- (uintmax_t) (tag_line - buffer));
-
- /* Get the actual type */
- typelen = tag_line - type_line - strlen("type \n");
- if (typelen >= sizeof(type))
- return error("char%"PRIuMAX": type too long",
- (uintmax_t) (type_line+5 - buffer));
-
- memcpy(type, type_line+5, typelen);
- type[typelen] = 0;
-
- /* Verify that the object matches */
- if (verify_object(&oid, type))
- return error("char%d: could not verify object %s", 7, oid_to_hex(&oid));
-
- /* Verify the tag-name: we don't allow control characters or spaces in it */
- tag_line += 4;
- for (;;) {
- unsigned char c = *tag_line++;
- if (c == '\n')
- break;
- if (c > ' ')
- continue;
- return error("char%"PRIuMAX": could not verify tag name",
- (uintmax_t) (tag_line - buffer));
- }
+ int ret;
+ enum object_type type;
+ unsigned long size;
+ void *buffer;
+ const struct object_id *repl;
+
+ buffer = read_object_file(tagged_oid, &type, &size);
+ if (!buffer)
+ die(_("could not read tagged object '%s'"),
+ oid_to_hex(tagged_oid));
+ if (type != *tagged_type)
+ die(_("object '%s' tagged as '%s', but is a '%s' type"),
+ oid_to_hex(tagged_oid),
+ type_name(*tagged_type), type_name(type));
+
+ repl = lookup_replace_object(the_repository, tagged_oid);
+ ret = check_object_signature(the_repository, repl,
+ buffer, size, type_name(*tagged_type));
+ free(buffer);
- /* Verify the tagger line */
- tagger_line = tag_line;
-
- if (memcmp(tagger_line, "tagger ", 7))
- return error("char%"PRIuMAX": could not find \"tagger \"",
- (uintmax_t) (tagger_line - buffer));
-
- /*
- * Check for correct form for name and email
- * i.e. " <" followed by "> " on _this_ line
- * No angle brackets within the name or email address fields.
- * No spaces within the email address field.
- */
- tagger_line += 7;
- if (!(lb = strstr(tagger_line, " <")) || !(rb = strstr(lb+2, "> ")) ||
- strpbrk(tagger_line, "<>\n") != lb+1 ||
- strpbrk(lb+2, "><\n ") != rb)
- return error("char%"PRIuMAX": malformed tagger field",
- (uintmax_t) (tagger_line - buffer));
-
- /* Check for author name, at least one character, space is acceptable */
- if (lb == tagger_line)
- return error("char%"PRIuMAX": missing tagger name",
- (uintmax_t) (tagger_line - buffer));
-
- /* timestamp, 1 or more digits followed by space */
- tagger_line = rb + 2;
- if (!(len = strspn(tagger_line, "0123456789")))
- return error("char%"PRIuMAX": missing tag timestamp",
- (uintmax_t) (tagger_line - buffer));
- tagger_line += len;
- if (*tagger_line != ' ')
- return error("char%"PRIuMAX": malformed tag timestamp",
- (uintmax_t) (tagger_line - buffer));
- tagger_line++;
-
- /* timezone, 5 digits [+-]hhmm, max. 1400 */
- if (!((tagger_line[0] == '+' || tagger_line[0] == '-') &&
- strspn(tagger_line+1, "0123456789") == 4 &&
- tagger_line[5] == '\n' && atoi(tagger_line+1) <= 1400))
- return error("char%"PRIuMAX": malformed tag timezone",
- (uintmax_t) (tagger_line - buffer));
- tagger_line += 6;
-
- /* Verify the blank line separating the header from the body */
- if (*tagger_line != '\n')
- return error("char%"PRIuMAX": trailing garbage in tag header",
- (uintmax_t) (tagger_line - buffer));
-
- /* The actual stuff afterwards we don't care about.. */
- return 0;
+ return ret;
}
int cmd_mktag(int argc, const char **argv, const char *prefix)
{
+ static struct option builtin_mktag_options[] = {
+ OPT_BOOL(0, "strict", &option_strict,
+ N_("enable more strict checking")),
+ OPT_END(),
+ };
struct strbuf buf = STRBUF_INIT;
+ struct object_id tagged_oid;
+ int tagged_type;
struct object_id result;
- if (argc != 1)
- usage("git mktag");
+ argc = parse_options(argc, argv, NULL,
+ builtin_mktag_options,
+ builtin_mktag_usage, 0);
- if (strbuf_read(&buf, 0, 4096) < 0) {
- die_errno("could not read from stdin");
- }
+ if (strbuf_read(&buf, 0, 0) < 0)
+ die_errno(_("could not read from stdin"));
+
+ fsck_options.error_func = mktag_fsck_error_func;
+ fsck_set_msg_type(&fsck_options, "extraheaderentry", "warn");
+ /* config might set fsck.extraHeaderEntry=* again */
+ git_config(mktag_config, NULL);
+ if (fsck_tag_standalone(NULL, buf.buf, buf.len, &fsck_options,
+ &tagged_oid, &tagged_type))
+ die(_("tag on stdin did not pass our strict fsck check"));
- /* Verify it for some basic sanity: it needs to start with
- "object <sha1>\ntype\ntagger " */
- if (verify_tag(buf.buf, buf.len) < 0)
- die("invalid tag signature file");
+ if (verify_object_in_tag(&tagged_oid, &tagged_type))
+ die(_("tag on stdin did not refer to a valid object"));
if (write_object_file(buf.buf, buf.len, tag_type, &result) < 0)
- die("unable to write tag file");
+ die(_("unable to write tag file"));
strbuf_release(&buf);
- printf("%s\n", oid_to_hex(&result));
+ puts(oid_to_hex(&result));
return 0;
}
diff --git a/builtin/name-rev.c b/builtin/name-rev.c
index 725dd04..b221d30 100644
--- a/builtin/name-rev.c
+++ b/builtin/name-rev.c
@@ -7,7 +7,7 @@
#include "refs.h"
#include "parse-options.h"
#include "prio-queue.h"
-#include "sha1-lookup.h"
+#include "hash-lookup.h"
#include "commit-slab.h"
/*
@@ -390,10 +390,10 @@ static void name_tips(void)
}
}
-static const unsigned char *nth_tip_table_ent(size_t ix, void *table_)
+static const struct object_id *nth_tip_table_ent(size_t ix, const void *table_)
{
- struct tip_table_entry *table = table_;
- return table[ix].oid.hash;
+ const struct tip_table_entry *table = table_;
+ return &table[ix].oid;
}
static const char *get_exact_ref_match(const struct object *o)
@@ -408,8 +408,8 @@ static const char *get_exact_ref_match(const struct object *o)
tip_table.sorted = 1;
}
- found = sha1_pos(o->oid.hash, tip_table.table, tip_table.nr,
- nth_tip_table_ent);
+ found = oid_pos(&o->oid, tip_table.table, tip_table.nr,
+ nth_tip_table_ent);
if (0 <= found)
return tip_table.table[found].refname;
return NULL;
diff --git a/builtin/notes.c b/builtin/notes.c
index 2987c08..08b8914 100644
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -373,7 +373,7 @@ static int list(int argc, const char **argv, const char *prefix)
git_notes_list_usage, 0);
if (1 < argc) {
- error(_("too many parameters"));
+ error(_("too many arguments"));
usage_with_options(git_notes_list_usage, options);
}
@@ -428,7 +428,7 @@ static int add(int argc, const char **argv, const char *prefix)
PARSE_OPT_KEEP_ARGV0);
if (2 < argc) {
- error(_("too many parameters"));
+ error(_("too many arguments"));
usage_with_options(git_notes_add_usage, options);
}
@@ -506,7 +506,7 @@ static int copy(int argc, const char **argv, const char *prefix)
if (from_stdin || rewrite_cmd) {
if (argc) {
- error(_("too many parameters"));
+ error(_("too many arguments"));
usage_with_options(git_notes_copy_usage, options);
} else {
return notes_copy_from_stdin(force, rewrite_cmd);
@@ -514,11 +514,11 @@ static int copy(int argc, const char **argv, const char *prefix)
}
if (argc < 1) {
- error(_("too few parameters"));
+ error(_("too few arguments"));
usage_with_options(git_notes_copy_usage, options);
}
if (2 < argc) {
- error(_("too many parameters"));
+ error(_("too many arguments"));
usage_with_options(git_notes_copy_usage, options);
}
@@ -595,7 +595,7 @@ static int append_edit(int argc, const char **argv, const char *prefix)
PARSE_OPT_KEEP_ARGV0);
if (2 < argc) {
- error(_("too many parameters"));
+ error(_("too many arguments"));
usage_with_options(usage, options);
}
@@ -662,7 +662,7 @@ static int show(int argc, const char **argv, const char *prefix)
0);
if (1 < argc) {
- error(_("too many parameters"));
+ error(_("too many arguments"));
usage_with_options(git_notes_show_usage, options);
}
@@ -812,7 +812,7 @@ static int merge(int argc, const char **argv, const char *prefix)
error(_("must specify a notes ref to merge"));
usage_with_options(git_notes_merge_usage, options);
} else if (!do_merge && argc) {
- error(_("too many parameters"));
+ error(_("too many arguments"));
usage_with_options(git_notes_merge_usage, options);
}
@@ -960,7 +960,7 @@ static int prune(int argc, const char **argv, const char *prefix)
0);
if (argc) {
- error(_("too many parameters"));
+ error(_("too many arguments"));
usage_with_options(git_notes_prune_usage, options);
}
@@ -982,7 +982,7 @@ static int get_ref(int argc, const char **argv, const char *prefix)
git_notes_get_ref_usage, 0);
if (argc) {
- error(_("too many parameters"));
+ error(_("too many arguments"));
usage_with_options(git_notes_get_ref_usage, options);
}
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 5617c01..6d62aaf 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -419,7 +419,7 @@ static off_t write_reuse_object(struct hashfile *f, struct object_entry *entry,
{
struct packed_git *p = IN_PACK(entry);
struct pack_window *w_curs = NULL;
- struct revindex_entry *revidx;
+ uint32_t pos;
off_t offset;
enum object_type type = oe_type(entry);
off_t datalen;
@@ -436,10 +436,15 @@ static off_t write_reuse_object(struct hashfile *f, struct object_entry *entry,
type, entry_size);
offset = entry->in_pack_offset;
- revidx = find_pack_revindex(p, offset);
- datalen = revidx[1].offset - offset;
+ if (offset_to_pack_pos(p, offset, &pos) < 0)
+ die(_("write_reuse_object: could not locate %s, expected at "
+ "offset %"PRIuMAX" in pack %s"),
+ oid_to_hex(&entry->idx.oid), (uintmax_t)offset,
+ p->pack_name);
+ datalen = pack_pos_to_offset(p, pos + 1) - offset;
if (!pack_to_stdout && p->index_version > 1 &&
- check_pack_crc(p, &w_curs, offset, datalen, revidx->nr)) {
+ check_pack_crc(p, &w_curs, offset, datalen,
+ pack_pos_to_index(p, pos))) {
error(_("bad packed object CRC for %s"),
oid_to_hex(&entry->idx.oid));
unuse_pack(&w_curs);
@@ -629,7 +634,7 @@ static int mark_tagged(const char *path, const struct object_id *oid, int flag,
if (entry)
entry->tagged = 1;
- if (!peel_ref(path, &peeled)) {
+ if (!peel_iterated_oid(oid, &peeled)) {
entry = packlist_find(&to_pack, &peeled);
if (entry)
entry->tagged = 1;
@@ -863,8 +868,8 @@ static void write_reused_pack_one(size_t pos, struct hashfile *out,
enum object_type type;
unsigned long size;
- offset = reuse_packfile->revindex[pos].offset;
- next = reuse_packfile->revindex[pos + 1].offset;
+ offset = pack_pos_to_offset(reuse_packfile, pos);
+ next = pack_pos_to_offset(reuse_packfile, pos + 1);
record_reused_object(offset, offset - hashfile_total(out));
@@ -884,11 +889,17 @@ static void write_reused_pack_one(size_t pos, struct hashfile *out,
/* Convert to REF_DELTA if we must... */
if (!allow_ofs_delta) {
- int base_pos = find_revindex_position(reuse_packfile, base_offset);
+ uint32_t base_pos;
struct object_id base_oid;
+ if (offset_to_pack_pos(reuse_packfile, base_offset, &base_pos) < 0)
+ die(_("expected object at offset %"PRIuMAX" "
+ "in pack %s"),
+ (uintmax_t)base_offset,
+ reuse_packfile->pack_name);
+
nth_packed_object_id(&base_oid, reuse_packfile,
- reuse_packfile->revindex[base_pos].nr);
+ pack_pos_to_index(reuse_packfile, base_pos));
len = encode_in_pack_object_header(header, sizeof(header),
OBJ_REF_DELTA, size);
@@ -941,7 +952,7 @@ static size_t write_reused_pack_verbatim(struct hashfile *out,
off_t to_write;
written = (pos * BITS_IN_EWORD);
- to_write = reuse_packfile->revindex[written].offset
+ to_write = pack_pos_to_offset(reuse_packfile, written)
- sizeof(struct pack_header);
/* We're recording one chunk, not one object. */
@@ -1104,7 +1115,6 @@ static void write_pack_file(void)
stop_progress(&progress_state);
bitmap_writer_show_progress(progress);
- bitmap_writer_reuse_bitmaps(&to_pack);
bitmap_writer_select_commits(indexed_commits, indexed_commits_nr, -1);
bitmap_writer_build(&to_pack);
bitmap_writer_finish(written_list, nr_written,
@@ -1807,11 +1817,11 @@ static void check_object(struct object_entry *entry, uint32_t object_index)
goto give_up;
}
if (reuse_delta && !entry->preferred_base) {
- struct revindex_entry *revidx;
- revidx = find_pack_revindex(p, ofs);
- if (!revidx)
+ uint32_t pos;
+ if (offset_to_pack_pos(p, ofs, &pos) < 0)
goto give_up;
- if (!nth_packed_object_id(&base_ref, p, revidx->nr))
+ if (!nth_packed_object_id(&base_ref, p,
+ pack_pos_to_index(p, pos)))
have_base = 1;
}
entry->in_pack_header_size = used + used_0;
@@ -2804,13 +2814,11 @@ static void add_tag_chain(const struct object_id *oid)
}
}
-static int add_ref_tag(const char *path, const struct object_id *oid, int flag, void *cb_data)
+static int add_ref_tag(const char *tag, const struct object_id *oid, int flag, void *cb_data)
{
struct object_id peeled;
- if (starts_with(path, "refs/tags/") && /* is a tag? */
- !peel_ref(path, &peeled) && /* peelable? */
- obj_is_packed(&peeled)) /* object packed? */
+ if (!peel_iterated_oid(oid, &peeled) && obj_is_packed(&peeled))
add_tag_chain(oid);
return 0;
}
@@ -2945,6 +2953,13 @@ static int git_pack_config(const char *k, const char *v, void *cb)
pack_idx_opts.version);
return 0;
}
+ if (!strcmp(k, "pack.writereverseindex")) {
+ if (git_config_bool(k, v))
+ pack_idx_opts.flags |= WRITE_REV;
+ else
+ pack_idx_opts.flags &= ~WRITE_REV;
+ return 0;
+ }
if (!strcmp(k, "uploadpack.blobpackfileuri")) {
struct configured_exclusion *ex = xmalloc(sizeof(*ex));
const char *oid_end, *pack_end;
@@ -3584,6 +3599,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
reset_pack_idx_option(&pack_idx_opts);
git_config(git_pack_config, NULL);
+ if (git_env_bool(GIT_TEST_WRITE_REV_INDEX, 0))
+ pack_idx_opts.flags |= WRITE_REV;
progress = isatty(2);
argc = parse_options(argc, argv, prefix, pack_objects_options,
@@ -3741,7 +3758,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
}
cleanup_preferred_base();
if (include_tag && nr_result)
- for_each_ref(add_ref_tag, NULL);
+ for_each_tag_ref(add_ref_tag, NULL);
stop_progress(&progress_state);
trace2_region_leave("pack-objects", "enumerate-objects",
the_repository);
diff --git a/builtin/pack-redundant.c b/builtin/pack-redundant.c
index 3e70f2a..6e115a8 100644
--- a/builtin/pack-redundant.c
+++ b/builtin/pack-redundant.c
@@ -473,6 +473,12 @@ static void cmp_local_packs(void)
{
struct pack_list *subset, *pl = local_packs;
+ /* only one packfile */
+ if (!pl->next) {
+ llist_init(&pl->unique_objects);
+ return;
+ }
+
while ((subset = pl)) {
while ((subset = subset->next))
cmp_two_packs(pl, subset);
@@ -554,6 +560,7 @@ static void load_all(void)
int cmd_pack_redundant(int argc, const char **argv, const char *prefix)
{
int i;
+ int i_still_use_this = 0;
struct pack_list *min = NULL, *red, *pl;
struct llist *ignore;
struct object_id *oid;
@@ -580,12 +587,24 @@ int cmd_pack_redundant(int argc, const char **argv, const char *prefix)
alt_odb = 1;
continue;
}
+ if (!strcmp(arg, "--i-still-use-this")) {
+ i_still_use_this = 1;
+ continue;
+ }
if (*arg == '-')
usage(pack_redundant_usage);
else
break;
}
+ if (!i_still_use_this) {
+ fputs(_("'git pack-redundant' is nominated for removal.\n"
+ "If you still use this command, please add an extra\n"
+ "option, '--i-still-use-this', on the command line\n"
+ "and let us know you still use it by sending an e-mail\n"
+ "to <git@vger.kernel.org>. Thanks.\n"), stderr);
+ }
+
if (load_all_packs)
load_all();
else
diff --git a/builtin/pull.c b/builtin/pull.c
index aa56ebc..e8927fc 100644
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -324,7 +324,7 @@ static const char *config_get_ff(void)
* looks for the value of "pull.rebase". If both configuration keys do not
* exist, returns REBASE_FALSE.
*/
-static enum rebase_type config_get_rebase(void)
+static enum rebase_type config_get_rebase(int *rebase_unspecified)
{
struct branch *curr_branch = branch_get("HEAD");
const char *value;
@@ -344,20 +344,7 @@ static enum rebase_type config_get_rebase(void)
if (!git_config_get_value("pull.rebase", &value))
return parse_config_rebase("pull.rebase", value, 1);
- if (opt_verbosity >= 0 && !opt_ff) {
- advise(_("Pulling without specifying how to reconcile divergent branches is\n"
- "discouraged. You can squelch this message by running one of the following\n"
- "commands sometime before your next pull:\n"
- "\n"
- " git config pull.rebase false # merge (the default strategy)\n"
- " git config pull.rebase true # rebase\n"
- " git config pull.ff only # fast-forward only\n"
- "\n"
- "You can replace \"git config\" with \"git config --global\" to set a default\n"
- "preference for all repositories. You can also pass --rebase, --no-rebase,\n"
- "or --ff-only on the command line to override the configured default per\n"
- "invocation.\n"));
- }
+ *rebase_unspecified = 1;
return REBASE_FALSE;
}
@@ -924,6 +911,36 @@ static int run_rebase(const struct object_id *newbase,
return ret;
}
+static int get_can_ff(struct object_id *orig_head, struct object_id *orig_merge_head)
+{
+ int ret;
+ struct commit_list *list = NULL;
+ struct commit *merge_head, *head;
+
+ head = lookup_commit_reference(the_repository, orig_head);
+ commit_list_insert(head, &list);
+ merge_head = lookup_commit_reference(the_repository, orig_merge_head);
+ ret = repo_is_descendant_of(the_repository, merge_head, list);
+ free_commit_list(list);
+ return ret;
+}
+
+static void show_advice_pull_non_ff(void)
+{
+ advise(_("Pulling without specifying how to reconcile divergent branches is\n"
+ "discouraged. You can squelch this message by running one of the following\n"
+ "commands sometime before your next pull:\n"
+ "\n"
+ " git config pull.rebase false # merge (the default strategy)\n"
+ " git config pull.rebase true # rebase\n"
+ " git config pull.ff only # fast-forward only\n"
+ "\n"
+ "You can replace \"git config\" with \"git config --global\" to set a default\n"
+ "preference for all repositories. You can also pass --rebase, --no-rebase,\n"
+ "or --ff-only on the command line to override the configured default per\n"
+ "invocation.\n"));
+}
+
int cmd_pull(int argc, const char **argv, const char *prefix)
{
const char *repo, **refspecs;
@@ -931,6 +948,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
struct object_id orig_head, curr_head;
struct object_id rebase_fork_point;
int autostash;
+ int rebase_unspecified = 0;
+ int can_ff;
if (!getenv("GIT_REFLOG_ACTION"))
set_reflog_message(argc, argv);
@@ -952,7 +971,7 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
opt_ff = xstrdup_or_null(config_get_ff());
if (opt_rebase < 0)
- opt_rebase = config_get_rebase();
+ opt_rebase = config_get_rebase(&rebase_unspecified);
if (read_cache_unmerged())
die_resolve_conflict("pull");
@@ -1026,6 +1045,13 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
if (opt_rebase && merge_heads.nr > 1)
die(_("Cannot rebase onto multiple branches."));
+ can_ff = get_can_ff(&orig_head, &merge_heads.oid[0]);
+
+ if (rebase_unspecified && !opt_ff && !can_ff) {
+ if (opt_verbosity >= 0)
+ show_advice_pull_non_ff();
+ }
+
if (opt_rebase) {
int ret = 0;
int ran_ff = 0;
@@ -1040,22 +1066,12 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
submodule_touches_in_range(the_repository, &upstream, &curr_head))
die(_("cannot rebase with locally recorded submodule modifications"));
if (!autostash) {
- struct commit_list *list = NULL;
- struct commit *merge_head, *head;
-
- head = lookup_commit_reference(the_repository,
- &orig_head);
- commit_list_insert(head, &list);
- merge_head = lookup_commit_reference(the_repository,
- &merge_heads.oid[0]);
- if (repo_is_descendant_of(the_repository,
- merge_head, list)) {
+ if (can_ff) {
/* we can fast-forward this without invoking rebase */
opt_ff = "--ff-only";
ran_ff = 1;
ret = run_merge();
}
- free_commit_list(list);
}
if (!ran_ff)
ret = run_rebase(&newbase, &upstream);
diff --git a/builtin/push.c b/builtin/push.c
index 03adb58..194967e 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -115,7 +115,7 @@ static void set_refspecs(const char **refs, int nr, const char *repo)
else
refspec_appendf(&rs, "refs/tags/%s", ref);
} else if (deleterefs) {
- if (strchr(ref, ':'))
+ if (strchr(ref, ':') || !*ref)
die(_("--delete only accepts plain target ref names"));
refspec_appendf(&rs, ":%s", ref);
} else if (!strchr(ref, ':')) {
diff --git a/builtin/range-diff.c b/builtin/range-diff.c
index 24c4162..78bc9fa 100644
--- a/builtin/range-diff.c
+++ b/builtin/range-diff.c
@@ -3,6 +3,7 @@
#include "parse-options.h"
#include "range-diff.h"
#include "config.h"
+#include "revision.h"
static const char * const builtin_range_diff_usage[] = {
N_("git range-diff [<options>] <old-base>..<old-tip> <new-base>..<new-tip>"),
@@ -13,18 +14,27 @@ NULL
int cmd_range_diff(int argc, const char **argv, const char *prefix)
{
- int creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT;
struct diff_options diffopt = { NULL };
struct strvec other_arg = STRVEC_INIT;
- int simple_color = -1;
+ struct range_diff_options range_diff_opts = {
+ .creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT,
+ .diffopt = &diffopt,
+ .other_arg = &other_arg
+ };
+ int simple_color = -1, left_only = 0, right_only = 0;
struct option range_diff_options[] = {
- OPT_INTEGER(0, "creation-factor", &creation_factor,
+ OPT_INTEGER(0, "creation-factor",
+ &range_diff_opts.creation_factor,
N_("Percentage by which creation is weighted")),
OPT_BOOL(0, "no-dual-color", &simple_color,
N_("use simple diff colors")),
OPT_PASSTHRU_ARGV(0, "notes", &other_arg,
N_("notes"), N_("passed to 'git log'"),
PARSE_OPT_OPTARG),
+ OPT_BOOL(0, "left-only", &left_only,
+ N_("only emit output related to the first range")),
+ OPT_BOOL(0, "right-only", &right_only,
+ N_("only emit output related to the second range")),
OPT_END()
};
struct option *options;
@@ -46,12 +56,12 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix)
diffopt.use_color = 1;
if (argc == 2) {
- if (!strstr(argv[0], ".."))
- die(_("no .. in range: '%s'"), argv[0]);
+ if (!is_range_diff_range(argv[0]))
+ die(_("not a commit range: '%s'"), argv[0]);
strbuf_addstr(&range1, argv[0]);
- if (!strstr(argv[1], ".."))
- die(_("no .. in range: '%s'"), argv[1]);
+ if (!is_range_diff_range(argv[1]))
+ die(_("not a commit range: '%s'"), argv[1]);
strbuf_addstr(&range2, argv[1]);
} else if (argc == 3) {
strbuf_addf(&range1, "%s..%s", argv[0], argv[1]);
@@ -81,8 +91,10 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix)
}
FREE_AND_NULL(options);
- res = show_range_diff(range1.buf, range2.buf, creation_factor,
- simple_color < 1, &diffopt, &other_arg);
+ range_diff_opts.dual_color = simple_color < 1;
+ range_diff_opts.left_only = left_only;
+ range_diff_opts.right_only = right_only;
+ res = show_range_diff(range1.buf, range2.buf, &range_diff_opts);
strvec_clear(&other_arg);
strbuf_release(&range1);
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 19c7b37..de400f9 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -102,6 +102,7 @@ struct rebase_options {
int reschedule_failed_exec;
int use_legacy_rebase;
int reapply_cherry_picks;
+ int fork_point;
};
#define REBASE_OPTIONS_INIT { \
@@ -111,7 +112,8 @@ struct rebase_options {
.default_backend = "merge", \
.flags = REBASE_NO_QUIET, \
.git_am_opts = STRVEC_INIT, \
- .git_format_patch_opt = STRBUF_INIT \
+ .git_format_patch_opt = STRBUF_INIT, \
+ .fork_point = -1, \
}
static struct replay_opts get_replay_opts(const struct rebase_options *opts)
@@ -1095,6 +1097,11 @@ static int rebase_config(const char *var, const char *value, void *data)
return 0;
}
+ if (!strcmp(var, "rebase.forkpoint")) {
+ opts->fork_point = git_config_bool(var, value) ? -1 : 0;
+ return 0;
+ }
+
if (!strcmp(var, "rebase.usebuiltin")) {
opts->use_legacy_rebase = !git_config_bool(var, value);
return 0;
@@ -1306,7 +1313,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
const char *gpg_sign = NULL;
struct string_list exec = STRING_LIST_INIT_NODUP;
const char *rebase_merges = NULL;
- int fork_point = -1;
struct string_list strategy_options = STRING_LIST_INIT_NODUP;
struct object_id squash_onto;
char *squash_onto_name = NULL;
@@ -1406,7 +1412,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
N_("mode"),
N_("try to rebase merges instead of skipping them"),
PARSE_OPT_OPTARG, NULL, (intptr_t)""},
- OPT_BOOL(0, "fork-point", &fork_point,
+ OPT_BOOL(0, "fork-point", &options.fork_point,
N_("use 'merge-base --fork-point' to refine upstream")),
OPT_STRING('s', "strategy", &options.strategy,
N_("strategy"), N_("use the given merge strategy")),
@@ -1494,7 +1500,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
die(_("cannot combine '--keep-base' with '--root'"));
}
- if (options.root && fork_point > 0)
+ if (options.root && options.fork_point > 0)
die(_("cannot combine '--root' with '--fork-point'"));
if (action != ACTION_NONE && !in_progress)
@@ -1840,8 +1846,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
NULL);
if (!options.upstream_name)
error_on_missing_default_upstream();
- if (fork_point < 0)
- fork_point = 1;
+ if (options.fork_point < 0)
+ options.fork_point = 1;
} else {
options.upstream_name = argv[0];
argc--;
@@ -1917,7 +1923,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
die_if_checked_out(buf.buf, 1);
options.head_name = xstrdup(buf.buf);
/* If not is it a valid ref (branch or commit)? */
- } else if (!get_oid(branch_name, &options.orig_head))
+ } else if (!get_oid(branch_name, &options.orig_head) &&
+ lookup_commit_reference(the_repository,
+ &options.orig_head))
options.head_name = NULL;
else
die(_("fatal: no such branch/commit '%s'"),
@@ -1943,7 +1951,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
} else
BUG("unexpected number of arguments left to parse");
- if (fork_point > 0) {
+ if (options.fork_point > 0) {
struct commit *head =
lookup_commit_reference(the_repository,
&options.orig_head);
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index d49d050..d26040c 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -764,7 +764,7 @@ static void prepare_push_cert_sha1(struct child_process *proc)
memset(&sigcheck, '\0', sizeof(sigcheck));
- bogs = parse_signature(push_cert.buf, push_cert.len);
+ bogs = parse_signed_buffer(push_cert.buf, push_cert.len);
check_signature(push_cert.buf, bogs, push_cert.buf + bogs,
push_cert.len - bogs, &sigcheck);
@@ -2050,7 +2050,7 @@ static void queue_commands_from_cert(struct command **tail,
die("malformed push certificate %.*s", 100, push_cert->buf);
else
boc += 2;
- eoc = push_cert->buf + parse_signature(push_cert->buf, push_cert->len);
+ eoc = push_cert->buf + parse_signed_buffer(push_cert->buf, push_cert->len);
while (boc < eoc) {
const char *eol = memchr(boc, '\n', eoc - boc);
@@ -2275,7 +2275,7 @@ static const char *unpack(int err_fd, struct shallow_info *si)
status = start_command(&child);
if (status)
return "index-pack fork failed";
- pack_lockfile = index_pack_lockfile(child.out);
+ pack_lockfile = index_pack_lockfile(child.out, NULL);
close(child.out);
status = finish_command(&child);
if (status)
diff --git a/builtin/reflog.c b/builtin/reflog.c
index ca1d807..09541d1 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -602,6 +602,9 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
*/
if (cb.cmd.stalefix) {
repo_init_revisions(the_repository, &cb.cmd.revs, prefix);
+ cb.cmd.revs.do_not_die_on_missing_tree = 1;
+ cb.cmd.revs.ignore_missing = 1;
+ cb.cmd.revs.ignore_missing_links = 1;
if (flags & EXPIRE_REFLOGS_VERBOSE)
printf(_("Marking reachable objects..."));
mark_reachable_objects(&cb.cmd.revs, 0, 0, NULL);
diff --git a/builtin/repack.c b/builtin/repack.c
index 279be11..01440de 100644
--- a/builtin/repack.c
+++ b/builtin/repack.c
@@ -14,6 +14,7 @@
#include "object-store.h"
#include "promisor-remote.h"
#include "shallow.h"
+#include "pack.h"
static int delta_base_offset = 1;
static int pack_kept_objects = -1;
@@ -208,6 +209,7 @@ static struct {
} exts[] = {
{".pack"},
{".idx"},
+ {".rev", 1},
{".bitmap", 1},
{".promisor", 1},
};
@@ -263,7 +265,7 @@ static void repack_promisor_objects(const struct pack_objects_args *args,
while (strbuf_getline_lf(&line, out) != EOF) {
struct string_list_item *item;
char *promisor_name;
- int fd;
+
if (line.len != the_hash_algo->hexsz)
die(_("repack: Expecting full hex object ID lines only from pack-objects."));
item = string_list_append(names, line.buf);
@@ -281,10 +283,7 @@ static void repack_promisor_objects(const struct pack_objects_args *args,
*/
promisor_name = mkpathdup("%s-%s.promisor", packtmp,
line.buf);
- fd = open(promisor_name, O_CREAT|O_EXCL|O_WRONLY, 0600);
- if (fd < 0)
- die_errno(_("unable to create '%s'"), promisor_name);
- close(fd);
+ write_promisor_file(promisor_name, NULL, 0);
item->util = (void *)(uintptr_t)populate_pack_exts(item->string);
diff --git a/builtin/rev-list.c b/builtin/rev-list.c
index 25c6c3b..b4d8ea0 100644
--- a/builtin/rev-list.c
+++ b/builtin/rev-list.c
@@ -80,6 +80,19 @@ static int arg_show_object_names = 1;
#define DEFAULT_OIDSET_SIZE (16*1024)
+static int show_disk_usage;
+static off_t total_disk_usage;
+
+static off_t get_object_disk_usage(struct object *obj)
+{
+ off_t size;
+ struct object_info oi = OBJECT_INFO_INIT;
+ oi.disk_sizep = &size;
+ if (oid_object_info_extended(the_repository, &obj->oid, &oi, 0) < 0)
+ die(_("unable to get disk usage of %s"), oid_to_hex(&obj->oid));
+ return size;
+}
+
static void finish_commit(struct commit *commit);
static void show_commit(struct commit *commit, void *data)
{
@@ -88,6 +101,9 @@ static void show_commit(struct commit *commit, void *data)
display_progress(progress, ++progress_counter);
+ if (show_disk_usage)
+ total_disk_usage += get_object_disk_usage(&commit->object);
+
if (info->flags & REV_LIST_QUIET) {
finish_commit(commit);
return;
@@ -258,6 +274,8 @@ static void show_object(struct object *obj, const char *name, void *cb_data)
if (finish_object(obj, name, cb_data))
return;
display_progress(progress, ++progress_counter);
+ if (show_disk_usage)
+ total_disk_usage += get_object_disk_usage(obj);
if (info->flags & REV_LIST_QUIET)
return;
@@ -452,6 +470,23 @@ static int try_bitmap_traversal(struct rev_info *revs,
return 0;
}
+static int try_bitmap_disk_usage(struct rev_info *revs,
+ struct list_objects_filter_options *filter)
+{
+ struct bitmap_index *bitmap_git;
+
+ if (!show_disk_usage)
+ return -1;
+
+ bitmap_git = prepare_bitmap_walk(revs, filter);
+ if (!bitmap_git)
+ return -1;
+
+ printf("%"PRIuMAX"\n",
+ (uintmax_t)get_disk_usage_from_bitmap(bitmap_git, revs));
+ return 0;
+}
+
int cmd_rev_list(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
@@ -584,6 +619,12 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
continue;
}
+ if (!strcmp(arg, "--disk-usage")) {
+ show_disk_usage = 1;
+ info.flags |= REV_LIST_QUIET;
+ continue;
+ }
+
usage(rev_list_usage);
}
@@ -626,6 +667,8 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
if (use_bitmap_index) {
if (!try_bitmap_count(&revs, &filter_options))
return 0;
+ if (!try_bitmap_disk_usage(&revs, &filter_options))
+ return 0;
if (!try_bitmap_traversal(&revs, &filter_options))
return 0;
}
@@ -690,5 +733,8 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
printf("%d\n", revs.count_left + revs.count_right);
}
+ if (show_disk_usage)
+ printf("%"PRIuMAX"\n", (uintmax_t)total_disk_usage);
+
return 0;
}
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 69ba732..85bad90 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -583,6 +583,75 @@ static void handle_ref_opt(const char *pattern, const char *prefix)
clear_ref_exclusion(&ref_excludes);
}
+enum format_type {
+ /* We would like a relative path. */
+ FORMAT_RELATIVE,
+ /* We would like a canonical absolute path. */
+ FORMAT_CANONICAL,
+ /* We would like the default behavior. */
+ FORMAT_DEFAULT,
+};
+
+enum default_type {
+ /* Our default is a relative path. */
+ DEFAULT_RELATIVE,
+ /* Our default is a relative path if there's a shared root. */
+ DEFAULT_RELATIVE_IF_SHARED,
+ /* Our default is a canonical absolute path. */
+ DEFAULT_CANONICAL,
+ /* Our default is not to modify the item. */
+ DEFAULT_UNMODIFIED,
+};
+
+static void print_path(const char *path, const char *prefix, enum format_type format, enum default_type def)
+{
+ char *cwd = NULL;
+ /*
+ * We don't ever produce a relative path if prefix is NULL, so set the
+ * prefix to the current directory so that we can produce a relative
+ * path whenever possible. If we're using RELATIVE_IF_SHARED mode, then
+ * we want an absolute path unless the two share a common prefix, so don't
+ * set it in that case, since doing so causes a relative path to always
+ * be produced if possible.
+ */
+ if (!prefix && (format != FORMAT_DEFAULT || def != DEFAULT_RELATIVE_IF_SHARED))
+ prefix = cwd = xgetcwd();
+ if (format == FORMAT_DEFAULT && def == DEFAULT_UNMODIFIED) {
+ puts(path);
+ } else if (format == FORMAT_RELATIVE ||
+ (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE)) {
+ /*
+ * In order for relative_path to work as expected, we need to
+ * make sure that both paths are absolute paths. If we don't,
+ * we can end up with an unexpected absolute path that the user
+ * didn't want.
+ */
+ struct strbuf buf = STRBUF_INIT, realbuf = STRBUF_INIT, prefixbuf = STRBUF_INIT;
+ if (!is_absolute_path(path)) {
+ strbuf_realpath_forgiving(&realbuf, path, 1);
+ path = realbuf.buf;
+ }
+ if (!is_absolute_path(prefix)) {
+ strbuf_realpath_forgiving(&prefixbuf, prefix, 1);
+ prefix = prefixbuf.buf;
+ }
+ puts(relative_path(path, prefix, &buf));
+ strbuf_release(&buf);
+ strbuf_release(&realbuf);
+ strbuf_release(&prefixbuf);
+ } else if (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE_IF_SHARED) {
+ struct strbuf buf = STRBUF_INIT;
+ puts(relative_path(path, prefix, &buf));
+ strbuf_release(&buf);
+ } else {
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_realpath_forgiving(&buf, path, 1);
+ puts(buf.buf);
+ strbuf_release(&buf);
+ }
+ free(cwd);
+}
+
int cmd_rev_parse(int argc, const char **argv, const char *prefix)
{
int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0;
@@ -596,6 +665,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
struct strbuf buf = STRBUF_INIT;
const int hexsz = the_hash_algo->hexsz;
int seen_end_of_options = 0;
+ enum format_type format = FORMAT_DEFAULT;
if (argc > 1 && !strcmp("--parseopt", argv[1]))
return cmd_parseopt(argc - 1, argv + 1, prefix);
@@ -668,8 +738,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (!argv[i + 1])
die("--git-path requires an argument");
strbuf_reset(&buf);
- puts(relative_path(git_path("%s", argv[i + 1]),
- prefix, &buf));
+ print_path(git_path("%s", argv[i + 1]), prefix,
+ format,
+ DEFAULT_RELATIVE_IF_SHARED);
i++;
continue;
}
@@ -687,6 +758,16 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
show(arg);
continue;
}
+ if (opt_with_value(arg, "--path-format", &arg)) {
+ if (!strcmp(arg, "absolute")) {
+ format = FORMAT_CANONICAL;
+ } else if (!strcmp(arg, "relative")) {
+ format = FORMAT_RELATIVE;
+ } else {
+ die("unknown argument to --path-format: %s", arg);
+ }
+ continue;
+ }
if (!strcmp(arg, "--default")) {
def = argv[++i];
if (!def)
@@ -807,7 +888,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (!strcmp(arg, "--show-toplevel")) {
const char *work_tree = get_git_work_tree();
if (work_tree)
- puts(work_tree);
+ print_path(work_tree, prefix, format, DEFAULT_UNMODIFIED);
else
die("this operation must be run in a work tree");
continue;
@@ -815,7 +896,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (!strcmp(arg, "--show-superproject-working-tree")) {
struct strbuf superproject = STRBUF_INIT;
if (get_superproject_working_tree(&superproject))
- puts(superproject.buf);
+ print_path(superproject.buf, prefix, format, DEFAULT_UNMODIFIED);
strbuf_release(&superproject);
continue;
}
@@ -850,16 +931,18 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
char *cwd;
int len;
+ enum format_type wanted = format;
if (arg[2] == 'g') { /* --git-dir */
if (gitdir) {
- puts(gitdir);
+ print_path(gitdir, prefix, format, DEFAULT_UNMODIFIED);
continue;
}
if (!prefix) {
- puts(".git");
+ print_path(".git", prefix, format, DEFAULT_UNMODIFIED);
continue;
}
} else { /* --absolute-git-dir */
+ wanted = FORMAT_CANONICAL;
if (!gitdir && !prefix)
gitdir = ".git";
if (gitdir) {
@@ -872,14 +955,14 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
cwd = xgetcwd();
len = strlen(cwd);
- printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : "");
+ strbuf_reset(&buf);
+ strbuf_addf(&buf, "%s%s.git", cwd, len && cwd[len-1] != '/' ? "/" : "");
free(cwd);
+ print_path(buf.buf, prefix, wanted, DEFAULT_CANONICAL);
continue;
}
if (!strcmp(arg, "--git-common-dir")) {
- strbuf_reset(&buf);
- puts(relative_path(get_git_common_dir(),
- prefix, &buf));
+ print_path(get_git_common_dir(), prefix, format, DEFAULT_RELATIVE_IF_SHARED);
continue;
}
if (!strcmp(arg, "--is-inside-git-dir")) {
@@ -909,8 +992,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (the_index.split_index) {
const struct object_id *oid = &the_index.split_index->base_oid;
const char *path = git_path("sharedindex.%s", oid_to_hex(oid));
- strbuf_reset(&buf);
- puts(relative_path(path, prefix, &buf));
+ print_path(path, prefix, format, DEFAULT_RELATIVE);
}
continue;
}
diff --git a/builtin/shortlog.c b/builtin/shortlog.c
index c52e4cc..3e7ab1c 100644
--- a/builtin/shortlog.c
+++ b/builtin/shortlog.c
@@ -61,8 +61,7 @@ static void insert_one_record(struct shortlog *log,
if (log->summary)
item->util = (void *)(UTIL_TO_INT(item) + 1);
else {
- const char *dot3 = log->common_repo_prefix;
- char *buffer, *p;
+ char *buffer;
struct strbuf subject = STRBUF_INIT;
const char *eol;
@@ -82,17 +81,6 @@ static void insert_one_record(struct shortlog *log,
format_subject(&subject, oneline, " ");
buffer = strbuf_detach(&subject, NULL);
- if (dot3) {
- int dot3len = strlen(dot3);
- if (dot3len > 5) {
- while ((p = strstr(buffer, dot3)) != NULL) {
- int taillen = strlen(p) - dot3len;
- memcpy(p, "/.../", 5);
- memmove(p + 5, p + dot3len, taillen + 1);
- }
- }
- }
-
if (item->util == NULL)
item->util = xcalloc(1, sizeof(struct string_list));
string_list_append(item->util, buffer);
@@ -342,7 +330,7 @@ void shortlog_init(struct shortlog *log)
{
memset(log, 0, sizeof(*log));
- read_mailmap(&log->mailmap, &log->common_repo_prefix);
+ read_mailmap(&log->mailmap);
log->list.strdup_strings = 1;
log->wrap = DEFAULT_WRAPLEN;
@@ -360,19 +348,19 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix)
const struct option options[] = {
OPT_BIT('c', "committer", &log.groups,
- N_("Group by committer rather than author"),
+ N_("group by committer rather than author"),
SHORTLOG_GROUP_COMMITTER),
OPT_BOOL('n', "numbered", &log.sort_by_number,
N_("sort output according to the number of commits per author")),
OPT_BOOL('s', "summary", &log.summary,
- N_("Suppress commit descriptions, only provides commit count")),
+ N_("suppress commit descriptions, only provides commit count")),
OPT_BOOL('e', "email", &log.email,
- N_("Show the email address of each author")),
+ N_("show the email address of each author")),
OPT_CALLBACK_F('w', NULL, &log, N_("<w>[,<i1>[,<i2>]]"),
- N_("Linewrap output"), PARSE_OPT_OPTARG,
+ N_("linewrap output"), PARSE_OPT_OPTARG,
&parse_wrap_args),
OPT_CALLBACK(0, "group", &log, N_("field"),
- N_("Group by field"), parse_group_option),
+ N_("group by field"), parse_group_option),
OPT_END(),
};
diff --git a/builtin/show-ref.c b/builtin/show-ref.c
index ae60b4a..7f8a533 100644
--- a/builtin/show-ref.c
+++ b/builtin/show-ref.c
@@ -40,7 +40,7 @@ static void show_one(const char *refname, const struct object_id *oid)
if (!deref_tags)
return;
- if (!peel_ref(refname, &peeled)) {
+ if (!peel_iterated_oid(oid, &peeled)) {
hex = find_unique_abbrev(&peeled, abbrev);
printf("%s %s^{}\n", hex, refname);
}
diff --git a/builtin/sparse-checkout.c b/builtin/sparse-checkout.c
index e3140db..2306a9a 100644
--- a/builtin/sparse-checkout.c
+++ b/builtin/sparse-checkout.c
@@ -22,11 +22,6 @@ static char const * const builtin_sparse_checkout_usage[] = {
NULL
};
-static char *get_sparse_checkout_filename(void)
-{
- return git_pathdup("info/sparse-checkout");
-}
-
static void write_patterns_to_file(FILE *fp, struct pattern_list *pl)
{
int i;
diff --git a/builtin/stash.c b/builtin/stash.c
index e1f8235..ba774cc 100644
--- a/builtin/stash.c
+++ b/builtin/stash.c
@@ -87,7 +87,7 @@ static const char * const git_stash_save_usage[] = {
NULL
};
-static const char *ref_stash = "refs/stash";
+static const char ref_stash[] = "refs/stash";
static struct strbuf stash_index_path = STRBUF_INIT;
/*
@@ -222,7 +222,7 @@ static int clear_stash(int argc, const char **argv, const char *prefix)
PARSE_OPT_STOP_AT_NON_OPTION);
if (argc)
- return error(_("git stash clear with parameters is "
+ return error(_("git stash clear with arguments is "
"unimplemented"));
return do_clear_stash();
@@ -325,35 +325,6 @@ static void add_diff_to_buf(struct diff_queue_struct *q,
}
}
-static int get_newly_staged(struct strbuf *out, struct object_id *c_tree)
-{
- struct child_process cp = CHILD_PROCESS_INIT;
- const char *c_tree_hex = oid_to_hex(c_tree);
-
- /*
- * diff-index is very similar to diff-tree above, and should be
- * converted together with update_index.
- */
- cp.git_cmd = 1;
- strvec_pushl(&cp.args, "diff-index", "--cached", "--name-only",
- "--diff-filter=A", NULL);
- strvec_push(&cp.args, c_tree_hex);
- return pipe_command(&cp, NULL, 0, out, 0, NULL, 0);
-}
-
-static int update_index(struct strbuf *out)
-{
- struct child_process cp = CHILD_PROCESS_INIT;
-
- /*
- * Update-index is very complicated and may need to have a public
- * function exposed in order to remove this forking.
- */
- cp.git_cmd = 1;
- strvec_pushl(&cp.args, "update-index", "--add", "--stdin", NULL);
- return pipe_command(&cp, out->buf, out->len, NULL, 0, NULL, 0);
-}
-
static int restore_untracked(struct object_id *u_tree)
{
int res;
@@ -385,6 +356,121 @@ static int restore_untracked(struct object_id *u_tree)
return res;
}
+static void unstage_changes_unless_new(struct object_id *orig_tree)
+{
+ /*
+ * When we enter this function, there has been a clean merge of
+ * relevant trees, and the merge logic always stages whatever merges
+ * cleanly. We want to unstage those changes, unless it corresponds
+ * to a file that didn't exist as of orig_tree.
+ *
+ * However, if any SKIP_WORKTREE path is modified relative to
+ * orig_tree, then we want to clear the SKIP_WORKTREE bit and write
+ * it to the worktree before unstaging.
+ */
+
+ struct checkout state = CHECKOUT_INIT;
+ struct diff_options diff_opts;
+ struct lock_file lock = LOCK_INIT;
+ int i;
+
+ /* If any entries have skip_worktree set, we'll have to check 'em out */
+ state.force = 1;
+ state.quiet = 1;
+ state.refresh_cache = 1;
+ state.istate = &the_index;
+
+ /*
+ * Step 1: get a difference between orig_tree (which corresponding
+ * to the index before a merge was run) and the current index
+ * (reflecting the changes brought in by the merge).
+ */
+ diff_setup(&diff_opts);
+ diff_opts.flags.recursive = 1;
+ diff_opts.detect_rename = 0;
+ diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT;
+ diff_setup_done(&diff_opts);
+
+ do_diff_cache(orig_tree, &diff_opts);
+ diffcore_std(&diff_opts);
+
+ /* Iterate over the paths that changed due to the merge... */
+ for (i = 0; i < diff_queued_diff.nr; i++) {
+ struct diff_filepair *p;
+ struct cache_entry *ce;
+ int pos;
+
+ /* Look up the path's position in the current index. */
+ p = diff_queued_diff.queue[i];
+ pos = index_name_pos(&the_index, p->two->path,
+ strlen(p->two->path));
+
+ /*
+ * Step 2: Place changes in the working tree
+ *
+ * Stash is about restoring changes *to the working tree*.
+ * So if the merge successfully got a new version of some
+ * path, but left it out of the working tree, then clear the
+ * SKIP_WORKTREE bit and write it to the working tree.
+ */
+ if (pos >= 0 && ce_skip_worktree(active_cache[pos])) {
+ struct stat st;
+
+ ce = active_cache[pos];
+ if (!lstat(ce->name, &st)) {
+ /* Conflicting path present; relocate it */
+ struct strbuf new_path = STRBUF_INIT;
+ int fd;
+
+ strbuf_addf(&new_path,
+ "%s.stash.XXXXXX", ce->name);
+ fd = xmkstemp(new_path.buf);
+ close(fd);
+ printf(_("WARNING: Untracked file in way of "
+ "tracked file! Renaming\n "
+ " %s -> %s\n"
+ " to make room.\n"),
+ ce->name, new_path.buf);
+ if (rename(ce->name, new_path.buf))
+ die("Failed to move %s to %s\n",
+ ce->name, new_path.buf);
+ strbuf_release(&new_path);
+ }
+ checkout_entry(ce, &state, NULL, NULL);
+ ce->ce_flags &= ~CE_SKIP_WORKTREE;
+ }
+
+ /*
+ * Step 3: "unstage" changes, as long as they are still tracked
+ */
+ if (p->one->oid_valid) {
+ /*
+ * Path existed in orig_tree; restore index entry
+ * from that tree in order to "unstage" the changes.
+ */
+ int option = ADD_CACHE_OK_TO_REPLACE;
+ if (pos < 0)
+ option = ADD_CACHE_OK_TO_ADD;
+
+ ce = make_cache_entry(&the_index,
+ p->one->mode,
+ &p->one->oid,
+ p->one->path,
+ 0, 0);
+ add_index_entry(&the_index, ce, option);
+ }
+ }
+ diff_flush(&diff_opts);
+
+ /*
+ * Step 4: write the new index to disk
+ */
+ repo_hold_locked_index(the_repository, &lock, LOCK_DIE_ON_ERROR);
+ if (write_locked_index(&the_index, &lock,
+ COMMIT_LOCK | SKIP_IF_UNCHANGED))
+ die(_("Unable to write index."));
+}
+
static int do_apply_stash(const char *prefix, struct stash_info *info,
int index, int quiet)
{
@@ -467,26 +553,7 @@ static int do_apply_stash(const char *prefix, struct stash_info *info,
if (reset_tree(&index_tree, 0, 0))
return -1;
} else {
- struct strbuf out = STRBUF_INIT;
-
- if (get_newly_staged(&out, &c_tree)) {
- strbuf_release(&out);
- return -1;
- }
-
- if (reset_tree(&c_tree, 0, 1)) {
- strbuf_release(&out);
- return -1;
- }
-
- ret = update_index(&out);
- strbuf_release(&out);
- if (ret)
- return -1;
-
- /* read back the result of update_index() back from the disk */
- discard_cache();
- read_cache();
+ unstage_changes_unless_new(&c_tree);
}
if (!quiet) {
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index c30896c..9d505a6 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -562,9 +562,9 @@ static int module_foreach(int argc, const char **argv, const char *prefix)
struct module_list list = MODULE_LIST_INIT;
struct option module_foreach_options[] = {
- OPT__QUIET(&info.quiet, N_("Suppress output of entering each submodule command")),
+ OPT__QUIET(&info.quiet, N_("suppress output of entering each submodule command")),
OPT_BOOL(0, "recursive", &info.recursive,
- N_("Recurse into nested submodules")),
+ N_("recurse into nested submodules")),
OPT_END()
};
@@ -706,7 +706,7 @@ static int module_init(int argc, const char **argv, const char *prefix)
int quiet = 0;
struct option module_init_options[] = {
- OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")),
+ OPT__QUIET(&quiet, N_("suppress output for initializing a submodule")),
OPT_END()
};
@@ -883,8 +883,8 @@ static int module_status(int argc, const char **argv, const char *prefix)
int quiet = 0;
struct option module_status_options[] = {
- OPT__QUIET(&quiet, N_("Suppress submodule status output")),
- OPT_BIT(0, "cached", &info.flags, N_("Use commit stored in the index instead of the one stored in the submodule HEAD"), OPT_CACHED),
+ OPT__QUIET(&quiet, N_("suppress submodule status output")),
+ OPT_BIT(0, "cached", &info.flags, N_("use commit stored in the index instead of the one stored in the submodule HEAD"), OPT_CACHED),
OPT_BIT(0, "recursive", &info.flags, N_("recurse into nested submodules"), OPT_RECURSIVE),
OPT_END()
};
@@ -1257,7 +1257,7 @@ static int compute_summary_module_list(struct object_id *head_oid,
git_config(git_diff_basic_config, NULL);
init_revisions(&rev, info->prefix);
rev.abbrev = 0;
- precompose_argv(diff_args.nr, diff_args.v);
+ precompose_argv_prefix(diff_args.nr, diff_args.v, NULL);
setup_revisions(diff_args.nr, diff_args.v, &rev, NULL);
rev.diffopt.output_format = DIFF_FORMAT_NO_OUTPUT | DIFF_FORMAT_CALLBACK;
rev.diffopt.format_callback = submodule_summary_callback;
@@ -1482,9 +1482,9 @@ static int module_sync(int argc, const char **argv, const char *prefix)
int recursive = 0;
struct option module_sync_options[] = {
- OPT__QUIET(&quiet, N_("Suppress output of synchronizing submodule url")),
+ OPT__QUIET(&quiet, N_("suppress output of synchronizing submodule url")),
OPT_BOOL(0, "recursive", &recursive,
- N_("Recurse into nested submodules")),
+ N_("recurse into nested submodules")),
OPT_END()
};
@@ -1620,9 +1620,9 @@ static int module_deinit(int argc, const char **argv, const char *prefix)
int all = 0;
struct option module_deinit_options[] = {
- OPT__QUIET(&quiet, N_("Suppress submodule status output")),
- OPT__FORCE(&force, N_("Remove submodule working trees even if they contain local changes"), 0),
- OPT_BOOL(0, "all", &all, N_("Unregister all submodules")),
+ OPT__QUIET(&quiet, N_("suppress submodule status output")),
+ OPT__FORCE(&force, N_("remove submodule working trees even if they contain local changes"), 0),
+ OPT_BOOL(0, "all", &all, N_("unregister all submodules")),
OPT_END()
};
@@ -2337,7 +2337,7 @@ static int update_clone(int argc, const char **argv, const char *prefix)
OPT_BOOL(0, "dissociate", &suc.dissociate,
N_("use --reference only while cloning")),
OPT_STRING(0, "depth", &suc.depth, "<depth>",
- N_("Create a shallow clone truncated to the "
+ N_("create a shallow clone truncated to the "
"specified number of revisions")),
OPT_INTEGER('j', "jobs", &suc.max_jobs,
N_("parallel jobs")),
@@ -2678,7 +2678,7 @@ static int module_set_url(int argc, const char **argv, const char *prefix)
char *config_name;
struct option options[] = {
- OPT__QUIET(&quiet, N_("Suppress output for setting url of a submodule")),
+ OPT__QUIET(&quiet, N_("suppress output for setting url of a submodule")),
OPT_END()
};
const char *const usage[] = {
diff --git a/builtin/tag.c b/builtin/tag.c
index ecf0117..d403417 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -72,10 +72,10 @@ static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting,
}
typedef int (*each_tag_name_fn)(const char *name, const char *ref,
- const struct object_id *oid, const void *cb_data);
+ const struct object_id *oid, void *cb_data);
static int for_each_tag_name(const char **argv, each_tag_name_fn fn,
- const void *cb_data)
+ void *cb_data)
{
const char **p;
struct strbuf ref = STRBUF_INIT;
@@ -97,18 +97,42 @@ static int for_each_tag_name(const char **argv, each_tag_name_fn fn,
return had_error;
}
-static int delete_tag(const char *name, const char *ref,
- const struct object_id *oid, const void *cb_data)
+static int collect_tags(const char *name, const char *ref,
+ const struct object_id *oid, void *cb_data)
{
- if (delete_ref(NULL, ref, oid, 0))
- return 1;
- printf(_("Deleted tag '%s' (was %s)\n"), name,
- find_unique_abbrev(oid, DEFAULT_ABBREV));
+ struct string_list *ref_list = cb_data;
+
+ string_list_append(ref_list, ref);
+ ref_list->items[ref_list->nr - 1].util = oiddup(oid);
return 0;
}
+static int delete_tags(const char **argv)
+{
+ int result;
+ struct string_list refs_to_delete = STRING_LIST_INIT_DUP;
+ struct string_list_item *item;
+
+ result = for_each_tag_name(argv, collect_tags, (void *)&refs_to_delete);
+ if (delete_refs(NULL, &refs_to_delete, REF_NO_DEREF))
+ result = 1;
+
+ for_each_string_list_item(item, &refs_to_delete) {
+ const char *name = item->string;
+ struct object_id *oid = item->util;
+ if (!ref_exists(name))
+ printf(_("Deleted tag '%s' (was %s)\n"),
+ item->string + 10,
+ find_unique_abbrev(oid, DEFAULT_ABBREV));
+
+ free(oid);
+ }
+ string_list_clear(&refs_to_delete, 0);
+ return result;
+}
+
static int verify_tag(const char *name, const char *ref,
- const struct object_id *oid, const void *cb_data)
+ const struct object_id *oid, void *cb_data)
{
int flags;
const struct ref_format *format = cb_data;
@@ -174,11 +198,17 @@ static void write_tag_body(int fd, const struct object_id *oid)
{
unsigned long size;
enum object_type type;
- char *buf, *sp;
+ char *buf, *sp, *orig;
+ struct strbuf payload = STRBUF_INIT;
+ struct strbuf signature = STRBUF_INIT;
- buf = read_object_file(oid, &type, &size);
+ orig = buf = read_object_file(oid, &type, &size);
if (!buf)
return;
+ if (parse_signature(buf, size, &payload, &signature)) {
+ buf = payload.buf;
+ size = payload.len;
+ }
/* skip header */
sp = strstr(buf, "\n\n");
@@ -187,9 +217,11 @@ static void write_tag_body(int fd, const struct object_id *oid)
return;
}
sp += 2; /* skip the 2 LFs */
- write_or_die(fd, sp, parse_signature(sp, buf + size - sp));
+ write_or_die(fd, sp, buf + size - sp);
- free(buf);
+ free(orig);
+ strbuf_release(&payload);
+ strbuf_release(&signature);
}
static int build_tag_object(struct strbuf *buf, int sign, struct object_id *result)
@@ -485,7 +517,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
}
if (!sorting)
sorting = ref_default_sorting();
- ref_sorting_icase_all(sorting, icase);
+ ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase);
filter.ignore_case = icase;
if (cmdmode == 'l') {
int ret;
@@ -512,7 +544,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
if (filter.reachable_from || filter.unreachable_from)
die(_("--merged and --no-merged options are only allowed in list mode"));
if (cmdmode == 'd')
- return for_each_tag_name(argv, delete_tag, NULL);
+ return delete_tags(argv);
if (cmdmode == 'v') {
if (format.format && verify_ref_format(&format))
usage_with_options(git_tag_usage, options);
@@ -540,7 +572,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
object_ref = argc == 2 ? argv[1] : "HEAD";
if (argc > 2)
- die(_("too many params"));
+ die(_("too many arguments"));
if (get_oid(object_ref, &object))
die(_("Failed to resolve '%s' as a valid ref."), object_ref);
diff --git a/builtin/worktree.c b/builtin/worktree.c
index 197fd24..1cd5c20 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -12,6 +12,7 @@
#include "submodule.h"
#include "utf8.h"
#include "worktree.h"
+#include "quote.h"
static const char * const worktree_usage[] = {
N_("git worktree add [<options>] <path> [<commit-ish>]"),
@@ -67,79 +68,6 @@ static void delete_worktrees_dir_if_empty(void)
rmdir(git_path("worktrees")); /* ignore failed removal */
}
-/*
- * Return true if worktree entry should be pruned, along with the reason for
- * pruning. Otherwise, return false and the worktree's path, or NULL if it
- * cannot be determined. Caller is responsible for freeing returned path.
- */
-static int should_prune_worktree(const char *id, struct strbuf *reason, char **wtpath)
-{
- struct stat st;
- char *path;
- int fd;
- size_t len;
- ssize_t read_result;
-
- *wtpath = NULL;
- if (!is_directory(git_path("worktrees/%s", id))) {
- strbuf_addstr(reason, _("not a valid directory"));
- return 1;
- }
- if (file_exists(git_path("worktrees/%s/locked", id)))
- return 0;
- if (stat(git_path("worktrees/%s/gitdir", id), &st)) {
- strbuf_addstr(reason, _("gitdir file does not exist"));
- return 1;
- }
- fd = open(git_path("worktrees/%s/gitdir", id), O_RDONLY);
- if (fd < 0) {
- strbuf_addf(reason, _("unable to read gitdir file (%s)"),
- strerror(errno));
- return 1;
- }
- len = xsize_t(st.st_size);
- path = xmallocz(len);
-
- read_result = read_in_full(fd, path, len);
- if (read_result < 0) {
- strbuf_addf(reason, _("unable to read gitdir file (%s)"),
- strerror(errno));
- close(fd);
- free(path);
- return 1;
- }
- close(fd);
-
- if (read_result != len) {
- strbuf_addf(reason,
- _("short read (expected %"PRIuMAX" bytes, read %"PRIuMAX")"),
- (uintmax_t)len, (uintmax_t)read_result);
- free(path);
- return 1;
- }
- while (len && (path[len - 1] == '\n' || path[len - 1] == '\r'))
- len--;
- if (!len) {
- strbuf_addstr(reason, _("invalid gitdir file"));
- free(path);
- return 1;
- }
- path[len] = '\0';
- if (!file_exists(path)) {
- if (stat(git_path("worktrees/%s/index", id), &st) ||
- st.st_mtime <= expire) {
- strbuf_addstr(reason, _("gitdir file points to non-existent location"));
- free(path);
- return 1;
- } else {
- *wtpath = path;
- return 0;
- }
- }
- *wtpath = path;
- return 0;
-}
-
static void prune_worktree(const char *id, const char *reason)
{
if (show_only || verbose)
@@ -195,7 +123,7 @@ static void prune_worktrees(void)
if (is_dot_or_dotdot(d->d_name))
continue;
strbuf_reset(&reason);
- if (should_prune_worktree(d->d_name, &reason, &path))
+ if (should_prune_worktree(d->d_name, &reason, &path, expire))
prune_worktree(d->d_name, reason.buf);
else if (path)
string_list_append(&kept, path)->util = xstrdup(d->d_name);
@@ -642,6 +570,8 @@ static int add(int ac, const char **av, const char *prefix)
static void show_worktree_porcelain(struct worktree *wt)
{
+ const char *reason;
+
printf("worktree %s\n", wt->path);
if (wt->is_bare)
printf("bare\n");
@@ -652,6 +582,20 @@ static void show_worktree_porcelain(struct worktree *wt)
else if (wt->head_ref)
printf("branch %s\n", wt->head_ref);
}
+
+ reason = worktree_lock_reason(wt);
+ if (reason && *reason) {
+ struct strbuf sb = STRBUF_INIT;
+ quote_c_style(reason, &sb, NULL, 0);
+ printf("locked %s\n", sb.buf);
+ strbuf_release(&sb);
+ } else if (reason)
+ printf("locked\n");
+
+ reason = worktree_prune_reason(wt, expire);
+ if (reason)
+ printf("prunable %s\n", reason);
+
printf("\n");
}
@@ -660,6 +604,7 @@ static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len)
struct strbuf sb = STRBUF_INIT;
int cur_path_len = strlen(wt->path);
int path_adj = cur_path_len - utf8_strwidth(wt->path);
+ const char *reason;
strbuf_addf(&sb, "%-*s ", 1 + path_maxlen + path_adj, wt->path);
if (wt->is_bare)
@@ -677,9 +622,18 @@ static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len)
strbuf_addstr(&sb, "(error)");
}
- if (!is_main_worktree(wt) && worktree_lock_reason(wt))
+ reason = worktree_lock_reason(wt);
+ if (verbose && reason && *reason)
+ strbuf_addf(&sb, "\n\tlocked: %s", reason);
+ else if (reason)
strbuf_addstr(&sb, " locked");
+ reason = worktree_prune_reason(wt, expire);
+ if (verbose && reason)
+ strbuf_addf(&sb, "\n\tprunable: %s", reason);
+ else if (reason)
+ strbuf_addstr(&sb, " prunable");
+
printf("%s\n", sb.buf);
strbuf_release(&sb);
}
@@ -723,12 +677,18 @@ static int list(int ac, const char **av, const char *prefix)
struct option options[] = {
OPT_BOOL(0, "porcelain", &porcelain, N_("machine-readable output")),
+ OPT__VERBOSE(&verbose, N_("show extended annotations and reasons, if available")),
+ OPT_EXPIRY_DATE(0, "expire", &expire,
+ N_("add 'prunable' annotation to worktrees older than <time>")),
OPT_END()
};
+ expire = TIME_MAX;
ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
if (ac)
usage_with_options(worktree_usage, options);
+ else if (verbose && porcelain)
+ die(_("--verbose and --porcelain are mutually exclusive"));
else {
struct worktree **worktrees = get_worktrees();
int path_maxlen = 0, abbrev = DEFAULT_ABBREV, i;
@@ -1052,10 +1012,10 @@ static int repair(int ac, const char **av, const char *prefix)
int rc = 0;
ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
- repair_worktrees(report_repair, &rc);
p = ac > 0 ? av : self;
for (; *p; p++)
repair_worktree_at_path(*p, report_repair, &rc);
+ repair_worktrees(report_repair, &rc);
return rc;
}
diff --git a/bundle.c b/bundle.c
index cb0e593..693d619 100644
--- a/bundle.c
+++ b/bundle.c
@@ -338,48 +338,6 @@ static int write_pack_data(int bundle_fd, struct rev_info *revs, struct strvec *
return 0;
}
-static int compute_and_write_prerequisites(int bundle_fd,
- struct rev_info *revs,
- int argc, const char **argv)
-{
- struct child_process rls = CHILD_PROCESS_INIT;
- struct strbuf buf = STRBUF_INIT;
- FILE *rls_fout;
- int i;
-
- strvec_pushl(&rls.args,
- "rev-list", "--boundary", "--pretty=oneline",
- NULL);
- for (i = 1; i < argc; i++)
- strvec_push(&rls.args, argv[i]);
- rls.out = -1;
- rls.git_cmd = 1;
- if (start_command(&rls))
- return -1;
- rls_fout = xfdopen(rls.out, "r");
- while (strbuf_getwholeline(&buf, rls_fout, '\n') != EOF) {
- struct object_id oid;
- if (buf.len > 0 && buf.buf[0] == '-') {
- write_or_die(bundle_fd, buf.buf, buf.len);
- if (!get_oid_hex(buf.buf + 1, &oid)) {
- struct object *object = parse_object_or_die(&oid,
- buf.buf);
- object->flags |= UNINTERESTING;
- add_pending_object(revs, object, buf.buf);
- }
- } else if (!get_oid_hex(buf.buf, &oid)) {
- struct object *object = parse_object_or_die(&oid,
- buf.buf);
- object->flags |= SHOWN;
- }
- }
- strbuf_release(&buf);
- fclose(rls_fout);
- if (finish_command(&rls))
- return error(_("rev-list died"));
- return 0;
-}
-
/*
* Write out bundle refs based on the tips already
* parsed into revs.pending. As a side effect, may
@@ -474,6 +432,38 @@ static int write_bundle_refs(int bundle_fd, struct rev_info *revs)
return ref_count;
}
+struct bundle_prerequisites_info {
+ struct object_array *pending;
+ int fd;
+};
+
+static void write_bundle_prerequisites(struct commit *commit, void *data)
+{
+ struct bundle_prerequisites_info *bpi = data;
+ struct object *object;
+ struct pretty_print_context ctx = { 0 };
+ struct strbuf buf = STRBUF_INIT;
+
+ if (!(commit->object.flags & BOUNDARY))
+ return;
+ strbuf_addf(&buf, "-%s ", oid_to_hex(&commit->object.oid));
+ write_or_die(bpi->fd, buf.buf, buf.len);
+
+ ctx.fmt = CMIT_FMT_ONELINE;
+ ctx.output_encoding = get_log_output_encoding();
+ strbuf_reset(&buf);
+ pretty_print_commit(&ctx, commit, &buf);
+ strbuf_trim(&buf);
+
+ object = (struct object *)commit;
+ object->flags |= UNINTERESTING;
+ add_object_array_with_path(object, buf.buf, bpi->pending, S_IFINVALID,
+ NULL);
+ strbuf_addch(&buf, '\n');
+ write_or_die(bpi->fd, buf.buf, buf.len);
+ strbuf_release(&buf);
+}
+
int create_bundle(struct repository *r, const char *path,
int argc, const char **argv, struct strvec *pack_options, int version)
{
@@ -481,8 +471,10 @@ int create_bundle(struct repository *r, const char *path,
int bundle_fd = -1;
int bundle_to_stdout;
int ref_count = 0;
- struct rev_info revs;
+ struct rev_info revs, revs_copy;
int min_version = the_hash_algo == &hash_algos[GIT_HASH_SHA1] ? 2 : 3;
+ struct bundle_prerequisites_info bpi;
+ int i;
bundle_to_stdout = !strcmp(path, "-");
if (bundle_to_stdout)
@@ -512,10 +504,6 @@ int create_bundle(struct repository *r, const char *path,
save_commit_buffer = 0;
repo_init_revisions(r, &revs, NULL);
- /* write prerequisites */
- if (compute_and_write_prerequisites(bundle_fd, &revs, argc, argv))
- goto err;
-
argc = setup_revisions(argc, argv, &revs, NULL);
if (argc > 1) {
@@ -523,16 +511,37 @@ int create_bundle(struct repository *r, const char *path,
goto err;
}
- object_array_remove_duplicates(&revs.pending);
+ /* save revs.pending in revs_copy for later use */
+ memcpy(&revs_copy, &revs, sizeof(revs));
+ revs_copy.pending.nr = 0;
+ revs_copy.pending.alloc = 0;
+ revs_copy.pending.objects = NULL;
+ for (i = 0; i < revs.pending.nr; i++) {
+ struct object_array_entry *e = revs.pending.objects + i;
+ if (e)
+ add_object_array_with_path(e->item, e->name,
+ &revs_copy.pending,
+ e->mode, e->path);
+ }
- ref_count = write_bundle_refs(bundle_fd, &revs);
+ /* write prerequisites */
+ revs.boundary = 1;
+ if (prepare_revision_walk(&revs))
+ die("revision walk setup failed");
+ bpi.fd = bundle_fd;
+ bpi.pending = &revs_copy.pending;
+ traverse_commit_list(&revs, write_bundle_prerequisites, NULL, &bpi);
+ object_array_remove_duplicates(&revs_copy.pending);
+
+ /* write bundle refs */
+ ref_count = write_bundle_refs(bundle_fd, &revs_copy);
if (!ref_count)
die(_("Refusing to create empty bundle."));
else if (ref_count < 0)
goto err;
/* write pack */
- if (write_pack_data(bundle_fd, &revs, pack_options))
+ if (write_pack_data(bundle_fd, &revs_copy, pack_options))
goto err;
if (!bundle_to_stdout) {
diff --git a/cache-tree.c b/cache-tree.c
index a537a80..2fb483d 100644
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -45,7 +45,7 @@ static int subtree_name_cmp(const char *one, int onelen,
return memcmp(one, two, onelen);
}
-static int subtree_pos(struct cache_tree *it, const char *path, int pathlen)
+int cache_tree_subtree_pos(struct cache_tree *it, const char *path, int pathlen)
{
struct cache_tree_sub **down = it->down;
int lo, hi;
@@ -72,7 +72,7 @@ static struct cache_tree_sub *find_subtree(struct cache_tree *it,
int create)
{
struct cache_tree_sub *down;
- int pos = subtree_pos(it, path, pathlen);
+ int pos = cache_tree_subtree_pos(it, path, pathlen);
if (0 <= pos)
return it->down[pos];
if (!create)
@@ -123,7 +123,7 @@ static int do_invalidate_path(struct cache_tree *it, const char *path)
it->entry_count = -1;
if (!*slash) {
int pos;
- pos = subtree_pos(it, path, namelen);
+ pos = cache_tree_subtree_pos(it, path, namelen);
if (0 <= pos) {
cache_tree_free(&it->down[pos]->cache_tree);
free(it->down[pos]);
@@ -151,16 +151,15 @@ void cache_tree_invalidate_path(struct index_state *istate, const char *path)
istate->cache_changed |= CACHE_TREE_CHANGED;
}
-static int verify_cache(struct cache_entry **cache,
- int entries, int flags)
+static int verify_cache(struct index_state *istate, int flags)
{
- int i, funny;
+ unsigned i, funny;
int silent = flags & WRITE_TREE_SILENT;
/* Verify that the tree is merged */
funny = 0;
- for (i = 0; i < entries; i++) {
- const struct cache_entry *ce = cache[i];
+ for (i = 0; i < istate->cache_nr; i++) {
+ const struct cache_entry *ce = istate->cache[i];
if (ce_stage(ce)) {
if (silent)
return -1;
@@ -180,17 +179,19 @@ static int verify_cache(struct cache_entry **cache,
* stage 0 entries.
*/
funny = 0;
- for (i = 0; i < entries - 1; i++) {
+ for (i = 0; i + 1 < istate->cache_nr; i++) {
/* path/file always comes after path because of the way
* the cache is sorted. Also path can appear only once,
* which means conflicting one would immediately follow.
*/
- const char *this_name = cache[i]->name;
- const char *next_name = cache[i+1]->name;
- int this_len = strlen(this_name);
- if (this_len < strlen(next_name) &&
- strncmp(this_name, next_name, this_len) == 0 &&
- next_name[this_len] == '/') {
+ const struct cache_entry *this_ce = istate->cache[i];
+ const struct cache_entry *next_ce = istate->cache[i + 1];
+ const char *this_name = this_ce->name;
+ const char *next_name = next_ce->name;
+ int this_len = ce_namelen(this_ce);
+ if (this_len < ce_namelen(next_ce) &&
+ next_name[this_len] == '/' &&
+ strncmp(this_name, next_name, this_len) == 0) {
if (10 < ++funny) {
fprintf(stderr, "...\n");
break;
@@ -434,15 +435,21 @@ static int update_one(struct cache_tree *it,
int cache_tree_update(struct index_state *istate, int flags)
{
- struct cache_tree *it = istate->cache_tree;
- struct cache_entry **cache = istate->cache;
- int entries = istate->cache_nr;
- int skip, i = verify_cache(cache, entries, flags);
+ int skip, i;
+
+ i = verify_cache(istate, flags);
if (i)
return i;
+
+ if (!istate->cache_tree)
+ istate->cache_tree = cache_tree();
+
trace_performance_enter();
- i = update_one(it, cache, entries, "", 0, &skip, flags);
+ trace2_region_enter("cache_tree", "update", the_repository);
+ i = update_one(istate->cache_tree, istate->cache, istate->cache_nr,
+ "", 0, &skip, flags);
+ trace2_region_leave("cache_tree", "update", the_repository);
trace_performance_leave("cache_tree_update");
if (i < 0)
return i;
@@ -492,7 +499,9 @@ static void write_one(struct strbuf *buffer, struct cache_tree *it,
void cache_tree_write(struct strbuf *sb, struct cache_tree *root)
{
+ trace2_region_enter("cache_tree", "write", the_repository);
write_one(sb, root, "", 0);
+ trace2_region_leave("cache_tree", "write", the_repository);
}
static struct cache_tree *read_one(const char **buffer, unsigned long *size_p)
@@ -581,9 +590,16 @@ static struct cache_tree *read_one(const char **buffer, unsigned long *size_p)
struct cache_tree *cache_tree_read(const char *buffer, unsigned long size)
{
+ struct cache_tree *result;
+
if (buffer[0])
return NULL; /* not the whole tree */
- return read_one(&buffer, &size);
+
+ trace2_region_enter("cache_tree", "read", the_repository);
+ result = read_one(&buffer, &size);
+ trace2_region_leave("cache_tree", "read", the_repository);
+
+ return result;
}
static struct cache_tree *cache_tree_find(struct cache_tree *it, const char *path)
@@ -622,9 +638,6 @@ static int write_index_as_tree_internal(struct object_id *oid,
cache_tree_valid = 0;
}
- if (!index_state->cache_tree)
- index_state->cache_tree = cache_tree();
-
if (!cache_tree_valid && cache_tree_update(index_state, flags) < 0)
return WRITE_TREE_UNMERGED_INDEX;
@@ -733,10 +746,13 @@ void prime_cache_tree(struct repository *r,
struct index_state *istate,
struct tree *tree)
{
+ trace2_region_enter("cache-tree", "prime_cache_tree", the_repository);
cache_tree_free(&istate->cache_tree);
istate->cache_tree = cache_tree();
+
prime_cache_tree_rec(r, istate->cache_tree, tree);
istate->cache_changed |= CACHE_TREE_CHANGED;
+ trace2_region_leave("cache-tree", "prime_cache_tree", the_repository);
}
/*
diff --git a/cache-tree.h b/cache-tree.h
index 639bfa5..8efecce 100644
--- a/cache-tree.h
+++ b/cache-tree.h
@@ -27,6 +27,8 @@ void cache_tree_free(struct cache_tree **);
void cache_tree_invalidate_path(struct index_state *, const char *);
struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);
+int cache_tree_subtree_pos(struct cache_tree *it, const char *path, int pathlen);
+
void cache_tree_write(struct strbuf *, struct cache_tree *root);
struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
diff --git a/cache.h b/cache.h
index 7109765..6fda809 100644
--- a/cache.h
+++ b/cache.h
@@ -328,6 +328,7 @@ struct index_state {
struct ewah_bitmap *fsmonitor_dirty;
struct mem_pool *ce_mem_pool;
struct progress *progress;
+ struct repository *repo;
};
/* Name hashing */
@@ -472,6 +473,7 @@ static inline enum object_type object_type(unsigned int mode)
#define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR"
#define CONFIG_ENVIRONMENT "GIT_CONFIG"
#define CONFIG_DATA_ENVIRONMENT "GIT_CONFIG_PARAMETERS"
+#define CONFIG_COUNT_ENVIRONMENT "GIT_CONFIG_COUNT"
#define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH"
#define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES"
#define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS"
@@ -1231,6 +1233,8 @@ static inline int is_absolute_path(const char *path)
int is_directory(const char *);
char *strbuf_realpath(struct strbuf *resolved, const char *path,
int die_on_error);
+char *strbuf_realpath_forgiving(struct strbuf *resolved, const char *path,
+ int die_on_error);
char *real_pathdup(const char *path, int die_on_error);
const char *absolute_path(const char *path);
char *absolute_pathdup(const char *path);
@@ -1657,6 +1661,7 @@ int has_symlink_leading_path(const char *name, int len);
int threaded_has_symlink_leading_path(struct cache_def *, const char *, int);
int check_leading_path(const char *name, int len);
int has_dirs_only_path(const char *name, int len, int prefix_len);
+void invalidate_lstat_cache(void);
void schedule_dir_for_removal(const char *name, int len);
void remove_scheduled_dirs(void);
diff --git a/chunk-format.c b/chunk-format.c
new file mode 100644
index 0000000..da191e5
--- /dev/null
+++ b/chunk-format.c
@@ -0,0 +1,179 @@
+#include "cache.h"
+#include "chunk-format.h"
+#include "csum-file.h"
+
+/*
+ * When writing a chunk-based file format, collect the chunks in
+ * an array of chunk_info structs. The size stores the _expected_
+ * amount of data that will be written by write_fn.
+ */
+struct chunk_info {
+ uint32_t id;
+ uint64_t size;
+ chunk_write_fn write_fn;
+
+ const void *start;
+};
+
+struct chunkfile {
+ struct hashfile *f;
+
+ struct chunk_info *chunks;
+ size_t chunks_nr;
+ size_t chunks_alloc;
+};
+
+struct chunkfile *init_chunkfile(struct hashfile *f)
+{
+ struct chunkfile *cf = xcalloc(1, sizeof(*cf));
+ cf->f = f;
+ return cf;
+}
+
+void free_chunkfile(struct chunkfile *cf)
+{
+ if (!cf)
+ return;
+ free(cf->chunks);
+ free(cf);
+}
+
+int get_num_chunks(struct chunkfile *cf)
+{
+ return cf->chunks_nr;
+}
+
+void add_chunk(struct chunkfile *cf,
+ uint32_t id,
+ size_t size,
+ chunk_write_fn fn)
+{
+ ALLOC_GROW(cf->chunks, cf->chunks_nr + 1, cf->chunks_alloc);
+
+ cf->chunks[cf->chunks_nr].id = id;
+ cf->chunks[cf->chunks_nr].write_fn = fn;
+ cf->chunks[cf->chunks_nr].size = size;
+ cf->chunks_nr++;
+}
+
+int write_chunkfile(struct chunkfile *cf, void *data)
+{
+ int i;
+ uint64_t cur_offset = hashfile_total(cf->f);
+
+ /* Add the table of contents to the current offset */
+ cur_offset += (cf->chunks_nr + 1) * CHUNK_TOC_ENTRY_SIZE;
+
+ for (i = 0; i < cf->chunks_nr; i++) {
+ hashwrite_be32(cf->f, cf->chunks[i].id);
+ hashwrite_be64(cf->f, cur_offset);
+
+ cur_offset += cf->chunks[i].size;
+ }
+
+ /* Trailing entry marks the end of the chunks */
+ hashwrite_be32(cf->f, 0);
+ hashwrite_be64(cf->f, cur_offset);
+
+ for (i = 0; i < cf->chunks_nr; i++) {
+ off_t start_offset = hashfile_total(cf->f);
+ int result = cf->chunks[i].write_fn(cf->f, data);
+
+ if (result)
+ return result;
+
+ if (hashfile_total(cf->f) - start_offset != cf->chunks[i].size)
+ BUG("expected to write %"PRId64" bytes to chunk %"PRIx32", but wrote %"PRId64" instead",
+ cf->chunks[i].size, cf->chunks[i].id,
+ hashfile_total(cf->f) - start_offset);
+ }
+
+ return 0;
+}
+
+int read_table_of_contents(struct chunkfile *cf,
+ const unsigned char *mfile,
+ size_t mfile_size,
+ uint64_t toc_offset,
+ int toc_length)
+{
+ int i;
+ uint32_t chunk_id;
+ const unsigned char *table_of_contents = mfile + toc_offset;
+
+ ALLOC_GROW(cf->chunks, toc_length, cf->chunks_alloc);
+
+ while (toc_length--) {
+ uint64_t chunk_offset, next_chunk_offset;
+
+ chunk_id = get_be32(table_of_contents);
+ chunk_offset = get_be64(table_of_contents + 4);
+
+ if (!chunk_id) {
+ error(_("terminating chunk id appears earlier than expected"));
+ return 1;
+ }
+
+ table_of_contents += CHUNK_TOC_ENTRY_SIZE;
+ next_chunk_offset = get_be64(table_of_contents + 4);
+
+ if (next_chunk_offset < chunk_offset ||
+ next_chunk_offset > mfile_size - the_hash_algo->rawsz) {
+ error(_("improper chunk offset(s) %"PRIx64" and %"PRIx64""),
+ chunk_offset, next_chunk_offset);
+ return -1;
+ }
+
+ for (i = 0; i < cf->chunks_nr; i++) {
+ if (cf->chunks[i].id == chunk_id) {
+ error(_("duplicate chunk ID %"PRIx32" found"),
+ chunk_id);
+ return -1;
+ }
+ }
+
+ cf->chunks[cf->chunks_nr].id = chunk_id;
+ cf->chunks[cf->chunks_nr].start = mfile + chunk_offset;
+ cf->chunks[cf->chunks_nr].size = next_chunk_offset - chunk_offset;
+ cf->chunks_nr++;
+ }
+
+ chunk_id = get_be32(table_of_contents);
+ if (chunk_id) {
+ error(_("final chunk has non-zero id %"PRIx32""), chunk_id);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int pair_chunk_fn(const unsigned char *chunk_start,
+ size_t chunk_size,
+ void *data)
+{
+ const unsigned char **p = data;
+ *p = chunk_start;
+ return 0;
+}
+
+int pair_chunk(struct chunkfile *cf,
+ uint32_t chunk_id,
+ const unsigned char **p)
+{
+ return read_chunk(cf, chunk_id, pair_chunk_fn, p);
+}
+
+int read_chunk(struct chunkfile *cf,
+ uint32_t chunk_id,
+ chunk_read_fn fn,
+ void *data)
+{
+ int i;
+
+ for (i = 0; i < cf->chunks_nr; i++) {
+ if (cf->chunks[i].id == chunk_id)
+ return fn(cf->chunks[i].start, cf->chunks[i].size, data);
+ }
+
+ return CHUNK_NOT_FOUND;
+}
diff --git a/chunk-format.h b/chunk-format.h
new file mode 100644
index 0000000..9ccbe00
--- /dev/null
+++ b/chunk-format.h
@@ -0,0 +1,68 @@
+#ifndef CHUNK_FORMAT_H
+#define CHUNK_FORMAT_H
+
+#include "git-compat-util.h"
+
+struct hashfile;
+struct chunkfile;
+
+#define CHUNK_TOC_ENTRY_SIZE (sizeof(uint32_t) + sizeof(uint64_t))
+
+/*
+ * Initialize a 'struct chunkfile' for writing _or_ reading a file
+ * with the chunk format.
+ *
+ * If writing a file, supply a non-NULL 'struct hashfile *' that will
+ * be used to write.
+ *
+ * If reading a file, use a NULL 'struct hashfile *' and then call
+ * read_table_of_contents(). Supply the memory-mapped data to the
+ * pair_chunk() or read_chunk() methods, as appropriate.
+ *
+ * DO NOT MIX THESE MODES. Use different 'struct chunkfile' instances
+ * for reading and writing.
+ */
+struct chunkfile *init_chunkfile(struct hashfile *f);
+void free_chunkfile(struct chunkfile *cf);
+int get_num_chunks(struct chunkfile *cf);
+typedef int (*chunk_write_fn)(struct hashfile *f, void *data);
+void add_chunk(struct chunkfile *cf,
+ uint32_t id,
+ size_t size,
+ chunk_write_fn fn);
+int write_chunkfile(struct chunkfile *cf, void *data);
+
+int read_table_of_contents(struct chunkfile *cf,
+ const unsigned char *mfile,
+ size_t mfile_size,
+ uint64_t toc_offset,
+ int toc_length);
+
+#define CHUNK_NOT_FOUND (-2)
+
+/*
+ * Find 'chunk_id' in the given chunkfile and assign the
+ * given pointer to the position in the mmap'd file where
+ * that chunk begins.
+ *
+ * Returns CHUNK_NOT_FOUND if the chunk does not exist.
+ */
+int pair_chunk(struct chunkfile *cf,
+ uint32_t chunk_id,
+ const unsigned char **p);
+
+typedef int (*chunk_read_fn)(const unsigned char *chunk_start,
+ size_t chunk_size, void *data);
+/*
+ * Find 'chunk_id' in the given chunkfile and call the
+ * given chunk_read_fn method with the information for
+ * that chunk.
+ *
+ * Returns CHUNK_NOT_FOUND if the chunk does not exist.
+ */
+int read_chunk(struct chunkfile *cf,
+ uint32_t chunk_id,
+ chunk_read_fn fn,
+ void *data);
+
+#endif
diff --git a/ci/install-dependencies.sh b/ci/install-dependencies.sh
index 0229a77..67852d0 100755
--- a/ci/install-dependencies.sh
+++ b/ci/install-dependencies.sh
@@ -44,13 +44,13 @@ osx-clang|osx-gcc)
test -z "$BREW_INSTALL_PACKAGES" ||
brew install $BREW_INSTALL_PACKAGES
brew link --force gettext
- brew cask install --no-quarantine perforce || {
+ brew install --cask --no-quarantine perforce || {
# Update the definitions and try again
cask_repo="$(brew --repository)"/Library/Taps/homebrew/homebrew-cask &&
- git -C "$cask_repo" pull --no-stat &&
- brew cask install --no-quarantine perforce
+ git -C "$cask_repo" pull --no-stat --ff-only &&
+ brew install --cask --no-quarantine perforce
} ||
- brew install caskroom/cask/perforce
+ brew install homebrew/cask/perforce
case "$jobname" in
osx-gcc)
brew install gcc@9
@@ -72,7 +72,7 @@ Documentation)
test -n "$ALREADY_HAVE_ASCIIDOCTOR" ||
sudo gem install --version 1.5.8 asciidoctor
;;
-linux-gcc-4.8|GETTEXT_POISON)
+linux-gcc-default|linux-gcc-4.8)
sudo apt-get -q update
sudo apt-get -q -y install $UBUNTU_COMMON_PKGS
;;
diff --git a/ci/lib.sh b/ci/lib.sh
index 38c0eac..d848c03 100755
--- a/ci/lib.sh
+++ b/ci/lib.sh
@@ -220,8 +220,7 @@ osx-clang|osx-gcc)
# Travis CI OS X
export GIT_SKIP_TESTS="t9810 t9816"
;;
-GETTEXT_POISON)
- export GIT_TEST_GETTEXT_POISON=true
+linux-gcc-default)
;;
Linux32)
CC=gcc
diff --git a/ci/run-build-and-tests.sh b/ci/run-build-and-tests.sh
index 6c27b88..a66b5e8 100755
--- a/ci/run-build-and-tests.sh
+++ b/ci/run-build-and-tests.sh
@@ -13,6 +13,7 @@ esac
make
case "$jobname" in
linux-gcc)
+ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
make test
export GIT_TEST_SPLIT_INDEX=yes
export GIT_TEST_FULL_IN_PACK_ARRAY=true
@@ -22,6 +23,8 @@ linux-gcc)
export GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=1
export GIT_TEST_MULTI_PACK_INDEX=1
export GIT_TEST_ADD_I_USE_BUILTIN=1
+ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master
+ export GIT_TEST_WRITE_REV_INDEX=1
make test
;;
linux-clang)
diff --git a/command-list.txt b/command-list.txt
index 9379b02..a289f09 100644
--- a/command-list.txt
+++ b/command-list.txt
@@ -204,6 +204,7 @@ gitfaq guide
gitglossary guide
githooks guide
gitignore guide
+gitmailmap guide
gitmodules guide
gitnamespaces guide
gitremote-helpers guide
diff --git a/commit-graph.c b/commit-graph.c
index 06f8dc1..ca025ce 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -7,7 +7,7 @@
#include "object.h"
#include "refs.h"
#include "revision.h"
-#include "sha1-lookup.h"
+#include "hash-lookup.h"
#include "commit-graph.h"
#include "object-store.h"
#include "alloc.h"
@@ -19,6 +19,7 @@
#include "shallow.h"
#include "json-writer.h"
#include "trace2.h"
+#include "chunk-format.h"
void git_test_write_commit_graph_or_die(void)
{
@@ -38,11 +39,12 @@ void git_test_write_commit_graph_or_die(void)
#define GRAPH_CHUNKID_OIDFANOUT 0x4f494446 /* "OIDF" */
#define GRAPH_CHUNKID_OIDLOOKUP 0x4f49444c /* "OIDL" */
#define GRAPH_CHUNKID_DATA 0x43444154 /* "CDAT" */
+#define GRAPH_CHUNKID_GENERATION_DATA 0x47444154 /* "GDAT" */
+#define GRAPH_CHUNKID_GENERATION_DATA_OVERFLOW 0x47444f56 /* "GDOV" */
#define GRAPH_CHUNKID_EXTRAEDGES 0x45444745 /* "EDGE" */
#define GRAPH_CHUNKID_BLOOMINDEXES 0x42494458 /* "BIDX" */
#define GRAPH_CHUNKID_BLOOMDATA 0x42444154 /* "BDAT" */
#define GRAPH_CHUNKID_BASE 0x42415345 /* "BASE" */
-#define MAX_NUM_CHUNKS 7
#define GRAPH_DATA_WIDTH (the_hash_algo->rawsz + 16)
@@ -57,13 +59,16 @@ void git_test_write_commit_graph_or_die(void)
#define GRAPH_HEADER_SIZE 8
#define GRAPH_FANOUT_SIZE (4 * 256)
-#define GRAPH_CHUNKLOOKUP_WIDTH 12
-#define GRAPH_MIN_SIZE (GRAPH_HEADER_SIZE + 4 * GRAPH_CHUNKLOOKUP_WIDTH \
+#define GRAPH_MIN_SIZE (GRAPH_HEADER_SIZE + 4 * CHUNK_TOC_ENTRY_SIZE \
+ GRAPH_FANOUT_SIZE + the_hash_algo->rawsz)
+#define CORRECTED_COMMIT_DATE_OFFSET_OVERFLOW (1ULL << 31)
+
/* Remember to update object flag allocation in object.h */
#define REACHABLE (1u<<15)
+define_commit_slab(topo_level_slab, uint32_t);
+
/* Keep track of the order in which commits are added to our list. */
define_commit_slab(commit_pos, int);
static struct commit_pos commit_pos = COMMIT_SLAB_INIT(1, commit_pos);
@@ -99,7 +104,7 @@ uint32_t commit_graph_position(const struct commit *c)
return data ? data->graph_pos : COMMIT_NOT_FROM_GRAPH;
}
-uint32_t commit_graph_generation(const struct commit *c)
+timestamp_t commit_graph_generation(const struct commit *c)
{
struct commit_graph_data *data =
commit_graph_data_slab_peek(&commit_graph_data_slab, c);
@@ -139,13 +144,17 @@ static struct commit_graph_data *commit_graph_data_at(const struct commit *c)
return data;
}
+/*
+ * Should be used only while writing commit-graph as it compares
+ * generation value of commits by directly accessing commit-slab.
+ */
static int commit_gen_cmp(const void *va, const void *vb)
{
const struct commit *a = *(const struct commit **)va;
const struct commit *b = *(const struct commit **)vb;
- uint32_t generation_a = commit_graph_generation(a);
- uint32_t generation_b = commit_graph_generation(b);
+ const timestamp_t generation_a = commit_graph_data_at(a)->generation;
+ const timestamp_t generation_b = commit_graph_data_at(b)->generation;
/* lower generation commits first */
if (generation_a < generation_b)
return -1;
@@ -288,15 +297,43 @@ static int verify_commit_graph_lite(struct commit_graph *g)
return 0;
}
+static int graph_read_oid_lookup(const unsigned char *chunk_start,
+ size_t chunk_size, void *data)
+{
+ struct commit_graph *g = data;
+ g->chunk_oid_lookup = chunk_start;
+ g->num_commits = chunk_size / g->hash_len;
+ return 0;
+}
+
+static int graph_read_bloom_data(const unsigned char *chunk_start,
+ size_t chunk_size, void *data)
+{
+ struct commit_graph *g = data;
+ uint32_t hash_version;
+ g->chunk_bloom_data = chunk_start;
+ hash_version = get_be32(chunk_start);
+
+ if (hash_version != 1)
+ return 0;
+
+ g->bloom_filter_settings = xmalloc(sizeof(struct bloom_filter_settings));
+ g->bloom_filter_settings->hash_version = hash_version;
+ g->bloom_filter_settings->num_hashes = get_be32(chunk_start + 4);
+ g->bloom_filter_settings->bits_per_entry = get_be32(chunk_start + 8);
+ g->bloom_filter_settings->max_changed_paths = DEFAULT_BLOOM_MAX_CHANGES;
+
+ return 0;
+}
+
struct commit_graph *parse_commit_graph(struct repository *r,
void *graph_map, size_t graph_size)
{
- const unsigned char *data, *chunk_lookup;
- uint32_t i;
+ const unsigned char *data;
struct commit_graph *graph;
- uint64_t next_chunk_offset;
uint32_t graph_signature;
unsigned char graph_version, hash_version;
+ struct chunkfile *cf = NULL;
if (!graph_map)
return NULL;
@@ -337,7 +374,7 @@ struct commit_graph *parse_commit_graph(struct repository *r,
graph->data_len = graph_size;
if (graph_size < GRAPH_HEADER_SIZE +
- (graph->num_chunks + 1) * GRAPH_CHUNKLOOKUP_WIDTH +
+ (graph->num_chunks + 1) * CHUNK_TOC_ENTRY_SIZE +
GRAPH_FANOUT_SIZE + the_hash_algo->rawsz) {
error(_("commit-graph file is too small to hold %u chunks"),
graph->num_chunks);
@@ -345,94 +382,28 @@ struct commit_graph *parse_commit_graph(struct repository *r,
return NULL;
}
- chunk_lookup = data + 8;
- next_chunk_offset = get_be64(chunk_lookup + 4);
- for (i = 0; i < graph->num_chunks; i++) {
- uint32_t chunk_id;
- uint64_t chunk_offset = next_chunk_offset;
- int chunk_repeated = 0;
-
- chunk_id = get_be32(chunk_lookup + 0);
-
- chunk_lookup += GRAPH_CHUNKLOOKUP_WIDTH;
- next_chunk_offset = get_be64(chunk_lookup + 4);
-
- if (chunk_offset > graph_size - the_hash_algo->rawsz) {
- error(_("commit-graph improper chunk offset %08x%08x"), (uint32_t)(chunk_offset >> 32),
- (uint32_t)chunk_offset);
- goto free_and_return;
- }
-
- switch (chunk_id) {
- case GRAPH_CHUNKID_OIDFANOUT:
- if (graph->chunk_oid_fanout)
- chunk_repeated = 1;
- else
- graph->chunk_oid_fanout = (uint32_t*)(data + chunk_offset);
- break;
-
- case GRAPH_CHUNKID_OIDLOOKUP:
- if (graph->chunk_oid_lookup)
- chunk_repeated = 1;
- else {
- graph->chunk_oid_lookup = data + chunk_offset;
- graph->num_commits = (next_chunk_offset - chunk_offset)
- / graph->hash_len;
- }
- break;
-
- case GRAPH_CHUNKID_DATA:
- if (graph->chunk_commit_data)
- chunk_repeated = 1;
- else
- graph->chunk_commit_data = data + chunk_offset;
- break;
-
- case GRAPH_CHUNKID_EXTRAEDGES:
- if (graph->chunk_extra_edges)
- chunk_repeated = 1;
- else
- graph->chunk_extra_edges = data + chunk_offset;
- break;
+ cf = init_chunkfile(NULL);
- case GRAPH_CHUNKID_BASE:
- if (graph->chunk_base_graphs)
- chunk_repeated = 1;
- else
- graph->chunk_base_graphs = data + chunk_offset;
- break;
-
- case GRAPH_CHUNKID_BLOOMINDEXES:
- if (graph->chunk_bloom_indexes)
- chunk_repeated = 1;
- else if (r->settings.commit_graph_read_changed_paths)
- graph->chunk_bloom_indexes = data + chunk_offset;
- break;
-
- case GRAPH_CHUNKID_BLOOMDATA:
- if (graph->chunk_bloom_data)
- chunk_repeated = 1;
- else if (r->settings.commit_graph_read_changed_paths) {
- uint32_t hash_version;
- graph->chunk_bloom_data = data + chunk_offset;
- hash_version = get_be32(data + chunk_offset);
-
- if (hash_version != 1)
- break;
+ if (read_table_of_contents(cf, graph->data, graph_size,
+ GRAPH_HEADER_SIZE, graph->num_chunks))
+ goto free_and_return;
- graph->bloom_filter_settings = xmalloc(sizeof(struct bloom_filter_settings));
- graph->bloom_filter_settings->hash_version = hash_version;
- graph->bloom_filter_settings->num_hashes = get_be32(data + chunk_offset + 4);
- graph->bloom_filter_settings->bits_per_entry = get_be32(data + chunk_offset + 8);
- graph->bloom_filter_settings->max_changed_paths = DEFAULT_BLOOM_MAX_CHANGES;
- }
- break;
- }
+ pair_chunk(cf, GRAPH_CHUNKID_OIDFANOUT,
+ (const unsigned char **)&graph->chunk_oid_fanout);
+ read_chunk(cf, GRAPH_CHUNKID_OIDLOOKUP, graph_read_oid_lookup, graph);
+ pair_chunk(cf, GRAPH_CHUNKID_DATA, &graph->chunk_commit_data);
+ pair_chunk(cf, GRAPH_CHUNKID_EXTRAEDGES, &graph->chunk_extra_edges);
+ pair_chunk(cf, GRAPH_CHUNKID_BASE, &graph->chunk_base_graphs);
+ pair_chunk(cf, GRAPH_CHUNKID_GENERATION_DATA,
+ &graph->chunk_generation_data);
+ pair_chunk(cf, GRAPH_CHUNKID_GENERATION_DATA_OVERFLOW,
+ &graph->chunk_generation_data_overflow);
- if (chunk_repeated) {
- error(_("commit-graph chunk id %08x appears multiple times"), chunk_id);
- goto free_and_return;
- }
+ if (r->settings.commit_graph_read_changed_paths) {
+ pair_chunk(cf, GRAPH_CHUNKID_BLOOMINDEXES,
+ &graph->chunk_bloom_indexes);
+ read_chunk(cf, GRAPH_CHUNKID_BLOOMDATA,
+ graph_read_bloom_data, graph);
}
if (graph->chunk_bloom_indexes && graph->chunk_bloom_data) {
@@ -449,9 +420,11 @@ struct commit_graph *parse_commit_graph(struct repository *r,
if (verify_commit_graph_lite(graph))
goto free_and_return;
+ free_chunkfile(cf);
return graph;
free_and_return:
+ free_chunkfile(cf);
free(graph->bloom_filter_settings);
free(graph);
return NULL;
@@ -590,6 +563,31 @@ static struct commit_graph *load_commit_graph_chain(struct repository *r,
return graph_chain;
}
+/*
+ * returns 1 if and only if all graphs in the chain have
+ * corrected commit dates stored in the generation_data chunk.
+ */
+static int validate_mixed_generation_chain(struct commit_graph *g)
+{
+ int read_generation_data = 1;
+ struct commit_graph *p = g;
+
+ while (read_generation_data && p) {
+ read_generation_data = p->read_generation_data;
+ p = p->base_graph;
+ }
+
+ if (read_generation_data)
+ return 1;
+
+ while (g) {
+ g->read_generation_data = 0;
+ g = g->base_graph;
+ }
+
+ return 0;
+}
+
struct commit_graph *read_commit_graph_one(struct repository *r,
struct object_directory *odb)
{
@@ -598,6 +596,8 @@ struct commit_graph *read_commit_graph_one(struct repository *r,
if (!g)
g = load_commit_graph_chain(r, odb);
+ validate_mixed_generation_chain(g);
+
return g;
}
@@ -673,6 +673,20 @@ int generation_numbers_enabled(struct repository *r)
return !!first_generation;
}
+int corrected_commit_dates_enabled(struct repository *r)
+{
+ struct commit_graph *g;
+ if (!prepare_commit_graph(r))
+ return 0;
+
+ g = r->objects->commit_graph;
+
+ if (!g->num_commits)
+ return 0;
+
+ return g->read_generation_data;
+}
+
struct bloom_filter_settings *get_bloom_filter_settings(struct repository *r)
{
struct commit_graph *g = r->objects->commit_graph;
@@ -748,17 +762,41 @@ static void fill_commit_graph_info(struct commit *item, struct commit_graph *g,
{
const unsigned char *commit_data;
struct commit_graph_data *graph_data;
- uint32_t lex_index;
+ uint32_t lex_index, offset_pos;
+ uint64_t date_high, date_low, offset;
while (pos < g->num_commits_in_base)
g = g->base_graph;
+ if (pos >= g->num_commits + g->num_commits_in_base)
+ die(_("invalid commit position. commit-graph is likely corrupt"));
+
lex_index = pos - g->num_commits_in_base;
commit_data = g->chunk_commit_data + GRAPH_DATA_WIDTH * lex_index;
graph_data = commit_graph_data_at(item);
graph_data->graph_pos = pos;
- graph_data->generation = get_be32(commit_data + g->hash_len + 8) >> 2;
+
+ date_high = get_be32(commit_data + g->hash_len + 8) & 0x3;
+ date_low = get_be32(commit_data + g->hash_len + 12);
+ item->date = (timestamp_t)((date_high << 32) | date_low);
+
+ if (g->read_generation_data) {
+ offset = (timestamp_t)get_be32(g->chunk_generation_data + sizeof(uint32_t) * lex_index);
+
+ if (offset & CORRECTED_COMMIT_DATE_OFFSET_OVERFLOW) {
+ if (!g->chunk_generation_data_overflow)
+ die(_("commit-graph requires overflow generation data but has none"));
+
+ offset_pos = offset ^ CORRECTED_COMMIT_DATE_OFFSET_OVERFLOW;
+ graph_data->generation = get_be64(g->chunk_generation_data_overflow + 8 * offset_pos);
+ } else
+ graph_data->generation = item->date + offset;
+ } else
+ graph_data->generation = get_be32(commit_data + g->hash_len + 8) >> 2;
+
+ if (g->topo_levels)
+ *topo_level_slab_at(g->topo_levels, item) = get_be32(commit_data + g->hash_len + 8) >> 2;
}
static inline void set_commit_tree(struct commit *c, struct tree *t)
@@ -772,38 +810,22 @@ static int fill_commit_in_graph(struct repository *r,
{
uint32_t edge_value;
uint32_t *parent_data_ptr;
- uint64_t date_low, date_high;
struct commit_list **pptr;
- struct commit_graph_data *graph_data;
const unsigned char *commit_data;
uint32_t lex_index;
while (pos < g->num_commits_in_base)
g = g->base_graph;
- if (pos >= g->num_commits + g->num_commits_in_base)
- die(_("invalid commit position. commit-graph is likely corrupt"));
+ fill_commit_graph_info(item, g, pos);
- /*
- * Store the "full" position, but then use the
- * "local" position for the rest of the calculation.
- */
- graph_data = commit_graph_data_at(item);
- graph_data->graph_pos = pos;
lex_index = pos - g->num_commits_in_base;
-
commit_data = g->chunk_commit_data + (g->hash_len + 16) * lex_index;
item->object.parsed = 1;
set_commit_tree(item, NULL);
- date_high = get_be32(commit_data + g->hash_len + 8) & 0x3;
- date_low = get_be32(commit_data + g->hash_len + 12);
- item->date = (timestamp_t)((date_high << 32) | date_low);
-
- graph_data->generation = get_be32(commit_data + g->hash_len + 8) >> 2;
-
pptr = &item->parents;
edge_value = get_be32(commit_data + g->hash_len);
@@ -943,6 +965,7 @@ struct write_commit_graph_context {
struct oid_array oids;
struct packed_commit_list commits;
int num_extra_edges;
+ int num_generation_data_overflows;
unsigned long approx_nr_objects;
struct progress *progress;
int progress_done;
@@ -961,8 +984,11 @@ struct write_commit_graph_context {
report_progress:1,
split:1,
changed_paths:1,
- order_by_pack:1;
+ order_by_pack:1,
+ write_generation_data:1,
+ trust_generation_numbers:1;
+ struct topo_level_slab *topo_levels;
const struct commit_graph_opts *opts;
size_t total_bloom_filter_data_size;
const struct bloom_filter_settings *bloom_settings;
@@ -974,8 +1000,9 @@ struct write_commit_graph_context {
};
static int write_graph_chunk_fanout(struct hashfile *f,
- struct write_commit_graph_context *ctx)
+ void *data)
{
+ struct write_commit_graph_context *ctx = data;
int i, count = 0;
struct commit **list = ctx->commits.list;
@@ -1000,8 +1027,9 @@ static int write_graph_chunk_fanout(struct hashfile *f,
}
static int write_graph_chunk_oids(struct hashfile *f,
- struct write_commit_graph_context *ctx)
+ void *data)
{
+ struct write_commit_graph_context *ctx = data;
struct commit **list = ctx->commits.list;
int count;
for (count = 0; count < ctx->commits.nr; count++, list++) {
@@ -1012,15 +1040,16 @@ static int write_graph_chunk_oids(struct hashfile *f,
return 0;
}
-static const unsigned char *commit_to_sha1(size_t index, void *table)
+static const struct object_id *commit_to_oid(size_t index, const void *table)
{
- struct commit **commits = table;
- return commits[index]->object.oid.hash;
+ const struct commit * const *commits = table;
+ return &commits[index]->object.oid;
}
static int write_graph_chunk_data(struct hashfile *f,
- struct write_commit_graph_context *ctx)
+ void *data)
{
+ struct write_commit_graph_context *ctx = data;
struct commit **list = ctx->commits.list;
struct commit **last = ctx->commits.list + ctx->commits.nr;
uint32_t num_extra_edges = 0;
@@ -1032,7 +1061,7 @@ static int write_graph_chunk_data(struct hashfile *f,
uint32_t packedDate[2];
display_progress(ctx->progress, ++ctx->progress_cnt);
- if (parse_commit_no_graph(*list))
+ if (repo_parse_commit_no_graph(ctx->r, *list))
die(_("unable to parse commit %s"),
oid_to_hex(&(*list)->object.oid));
tree = get_commit_tree_oid(*list);
@@ -1043,10 +1072,10 @@ static int write_graph_chunk_data(struct hashfile *f,
if (!parent)
edge_value = GRAPH_PARENT_NONE;
else {
- edge_value = sha1_pos(parent->item->object.oid.hash,
- ctx->commits.list,
- ctx->commits.nr,
- commit_to_sha1);
+ edge_value = oid_pos(&parent->item->object.oid,
+ ctx->commits.list,
+ ctx->commits.nr,
+ commit_to_oid);
if (edge_value >= 0)
edge_value += ctx->new_num_commits_in_base;
@@ -1074,10 +1103,10 @@ static int write_graph_chunk_data(struct hashfile *f,
else if (parent->next)
edge_value = GRAPH_EXTRA_EDGES_NEEDED | num_extra_edges;
else {
- edge_value = sha1_pos(parent->item->object.oid.hash,
- ctx->commits.list,
- ctx->commits.nr,
- commit_to_sha1);
+ edge_value = oid_pos(&parent->item->object.oid,
+ ctx->commits.list,
+ ctx->commits.nr,
+ commit_to_oid);
if (edge_value >= 0)
edge_value += ctx->new_num_commits_in_base;
@@ -1109,7 +1138,7 @@ static int write_graph_chunk_data(struct hashfile *f,
else
packedDate[0] = 0;
- packedDate[0] |= htonl(commit_graph_data_at(*list)->generation << 2);
+ packedDate[0] |= htonl(*topo_level_slab_at(ctx->topo_levels, *list) << 2);
packedDate[1] = htonl((*list)->date);
hashwrite(f, packedDate, 8);
@@ -1120,9 +1149,53 @@ static int write_graph_chunk_data(struct hashfile *f,
return 0;
}
+static int write_graph_chunk_generation_data(struct hashfile *f,
+ void *data)
+{
+ struct write_commit_graph_context *ctx = data;
+ int i, num_generation_data_overflows = 0;
+
+ for (i = 0; i < ctx->commits.nr; i++) {
+ struct commit *c = ctx->commits.list[i];
+ timestamp_t offset;
+ repo_parse_commit(ctx->r, c);
+ offset = commit_graph_data_at(c)->generation - c->date;
+ display_progress(ctx->progress, ++ctx->progress_cnt);
+
+ if (offset > GENERATION_NUMBER_V2_OFFSET_MAX) {
+ offset = CORRECTED_COMMIT_DATE_OFFSET_OVERFLOW | num_generation_data_overflows;
+ num_generation_data_overflows++;
+ }
+
+ hashwrite_be32(f, offset);
+ }
+
+ return 0;
+}
+
+static int write_graph_chunk_generation_data_overflow(struct hashfile *f,
+ void *data)
+{
+ struct write_commit_graph_context *ctx = data;
+ int i;
+ for (i = 0; i < ctx->commits.nr; i++) {
+ struct commit *c = ctx->commits.list[i];
+ timestamp_t offset = commit_graph_data_at(c)->generation - c->date;
+ display_progress(ctx->progress, ++ctx->progress_cnt);
+
+ if (offset > GENERATION_NUMBER_V2_OFFSET_MAX) {
+ hashwrite_be32(f, offset >> 32);
+ hashwrite_be32(f, (uint32_t) offset);
+ }
+ }
+
+ return 0;
+}
+
static int write_graph_chunk_extra_edges(struct hashfile *f,
- struct write_commit_graph_context *ctx)
+ void *data)
{
+ struct write_commit_graph_context *ctx = data;
struct commit **list = ctx->commits.list;
struct commit **last = ctx->commits.list + ctx->commits.nr;
struct commit_list *parent;
@@ -1143,10 +1216,10 @@ static int write_graph_chunk_extra_edges(struct hashfile *f,
/* Since num_parents > 2, this initializer is safe. */
for (parent = (*list)->parents->next; parent; parent = parent->next) {
- int edge_value = sha1_pos(parent->item->object.oid.hash,
- ctx->commits.list,
- ctx->commits.nr,
- commit_to_sha1);
+ int edge_value = oid_pos(&parent->item->object.oid,
+ ctx->commits.list,
+ ctx->commits.nr,
+ commit_to_oid);
if (edge_value >= 0)
edge_value += ctx->new_num_commits_in_base;
@@ -1175,8 +1248,9 @@ static int write_graph_chunk_extra_edges(struct hashfile *f,
}
static int write_graph_chunk_bloom_indexes(struct hashfile *f,
- struct write_commit_graph_context *ctx)
+ void *data)
{
+ struct write_commit_graph_context *ctx = data;
struct commit **list = ctx->commits.list;
struct commit **last = ctx->commits.list + ctx->commits.nr;
uint32_t cur_pos = 0;
@@ -1210,8 +1284,9 @@ static void trace2_bloom_filter_settings(struct write_commit_graph_context *ctx)
}
static int write_graph_chunk_bloom_data(struct hashfile *f,
- struct write_commit_graph_context *ctx)
+ void *data)
{
+ struct write_commit_graph_context *ctx = data;
struct commit **list = ctx->commits.list;
struct commit **last = ctx->commits.list + ctx->commits.nr;
@@ -1306,11 +1381,11 @@ static void close_reachable(struct write_commit_graph_context *ctx)
if (!commit)
continue;
if (ctx->split) {
- if ((!parse_commit(commit) &&
+ if ((!repo_parse_commit(ctx->r, commit) &&
commit_graph_position(commit) == COMMIT_NOT_FROM_GRAPH) ||
flags == COMMIT_GRAPH_SPLIT_REPLACE)
add_missing_parents(ctx, commit);
- } else if (!parse_commit_no_graph(commit))
+ } else if (!repo_parse_commit_no_graph(ctx->r, commit))
add_missing_parents(ctx, commi