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diff --git a/Documentation/RelNotes/2.28.0.txt b/Documentation/RelNotes/2.28.0.txt new file mode 100644 index 0000000..c664771 --- /dev/null +++ b/Documentation/RelNotes/2.28.0.txt @@ -0,0 +1,227 @@ +Git 2.28 Release Notes +====================== + +Updates since v2.27 +------------------- + +Backward compatibility notes + + * "fetch.writeCommitGraph" is deemed to be still a bit too risky and + is no longer part of the "feature.experimental" set. + + * It used to be that setting extensions.* configuration variables + alone, while leaving core.repositoryFormatVersion=0, made these + settings effective, which was a wrong thing to do. In version 0, + there was no special meaning in extensions.* configuration + variables. This has been corrected. If you need these repository + extensions to be effective, the core.repositoryFormatVersion + variable needs to be updated to 1 after vetting these extensions.* + variables are set correctly. + + +UI, Workflows & Features + + * The commands in the "diff" family learned to honor "diff.relative" + configuration variable. + + * The check in "git fsck" to ensure that the tree objects are sorted + still had corner cases it missed unsorted entries. + + * The interface to redact sensitive information in the trace output + has been simplified. + + * The command line completion (in contrib/) learned to complete + options that the "git switch" command takes. + + * "git diff" used to take arguments in random and nonsense range + notation, e.g. "git diff A..B C", "git diff A..B C...D", etc., + which has been cleaned up. + + * "git diff-files" has been taught to say paths that are marked as + intent-to-add are new files, not modified from an empty blob. + + * "git status" learned to report the status of sparse checkout. + + * "git difftool" has trouble dealing with paths added to the index + with the intent-to-add bit. + + * "git fast-export --anonymize" learned to take customized mapping to + allow its users to tweak its output more usable for debugging. + + * The command line completion support (in contrib/) used to be + prepared to work with "set -u" but recent changes got a bit more + sloppy. This has been corrected. + + +Performance, Internal Implementation, Development Support etc. + + * Code optimization for a common case. + (merge 8777616e4d an/merge-single-strategy-optim later to maint). + + * We've adopted a convention that any on-stack structure can be + initialized to have zero values in all fields with "= { 0 }", + even when the first field happens to be a pointer, but sparse + complained that a null pointer should be spelled NULL for a long + time. Start using -Wno-universal-initializer option to squelch + it (the latest sparse has it on by default). + + * "git log -L..." now takes advantage of the "which paths are touched + by this commit?" info stored in the commit-graph system. + + * As FreeBSD is not the only platform whose regexp library reports + a REG_ILLSEQ error when fed invalid UTF-8, add logic to detect that + automatically and skip the affected tests. + + * "git bugreport" learns to report what shell is in use. + + * Support for GIT_CURL_VERBOSE has been rewritten in terms of + GIT_TRACE_CURL. + + * Preliminary clean-ups around refs API, plus file format + specification documentation for the reftable backend. + + * Workaround breakage in MSVC build, where "curl-config --cflags" + gives settings appropriate for GCC build. + + * Code clean-up of "git clean" resulted in a fix of recent + performance regression. + + * Code clean-up in the codepath that serves "git fetch" continues. + + * "git merge-base --is-ancestor" is taught to take advantage of the + commit graph. + + * Rewrite of parts of the scripted "git submodule" Porcelain command + continues; this time it is "git submodule set-branch" subcommand's + turn. + + * The "fetch/clone" protocol has been updated to allow the server to + instruct the clients to grab pre-packaged packfile(s) in addition + to the packed object data coming over the wire. + + * A misdesigned strbuf_write_fd() function has been retired. + + * SHA-256 migration work continues, including CVS/SVN interface. + + * A few fields in "struct commit" that do not have to always be + present have been moved to commit slabs. + + * API cleanup for get_worktrees() + + * By renumbering object flag bits, "struct object" managed to lose + bloated inter-field padding. + + * The name of the primary branch in existing repositories, and the + default name used for the first branch in newly created + repositories, is made configurable, so that we can eventually wean + ourselves off of the hardcoded 'master'. + + * The effort to avoid using test_must_fail on non-git command continues. + + +Fixes since v2.27 +----------------- + + * The "--prepare-p4-only" option of "git p4" is supposed to stop + after replaying one changeset, but kept going (by mistake?) + + * The error message from "git checkout -b foo -t bar baz" was + confusing. + + * Some repositories in the wild have commits that record nonsense + committer timezone (e.g. rails.git); "git fast-import" learned an + option to pass these nonsense timestamps intact to allow recreating + existing repositories as-is. + (merge d42a2fb72f en/fast-import-looser-date later to maint). + + * The command line completion script (in contrib/) tried to complete + "git stash -p" as if it were "git stash push -p", but it was too + aggressive and also affected "git stash show -p", which has been + corrected. + (merge fffd0cf520 vs/complete-stash-show-p-fix later to maint). + + * On-the-wire protocol v2 easily falls into a deadlock between the + remote-curl helper and the fetch-pack process when the server side + prematurely throws an error and disconnects. The communication has + been updated to make it more robust. + + * "git checkout -p" did not handle a newly added path at all. + (merge 2c8bd8471a js/checkout-p-new-file later to maint). + + * The code to parse "git bisect start" command line was lax in + validating the arguments. + (merge 4d9005ff5d cb/bisect-helper-parser-fix later to maint). + + * Reduce memory usage during "diff --quiet" in a worktree with too + many stat-unmatched paths. + (merge d2d7fbe129 jk/diff-memuse-optim-with-stat-unmatch later to maint). + + * The reflog entries for "git clone" and "git fetch" did not + anonymize the URL they operated on. + (merge 46da295a77 js/reflog-anonymize-for-clone-and-fetch later to maint). + + * The behaviour of "sparse-checkout" in the state "git clone + --no-checkout" left was changed accidentally in 2.27, which has + been corrected. + + * Use of negative pathspec, while collecting paths including + untracked ones in the working tree, was broken. + + * The same worktree directory must be registered only once, but + "git worktree move" allowed this invariant to be violated, which + has been corrected. + (merge 810382ed37 es/worktree-duplicate-paths later to maint). + + * The effect of sparse checkout settings on submodules is documented. + (merge e7d7c73249 en/sparse-with-submodule-doc later to maint). + + * Code clean-up around "git branch" with a minor bugfix. + (merge dc44639904 dl/branch-cleanup later to maint). + + * A branch name used in a test has been clarified to match what is + going on. + (merge 08dc26061f pb/t4014-unslave later to maint). + + * An in-code comment in "git diff" has been updated. + (merge c592fd4c83 dl/diff-usage-comment-update later to maint). + + * The documentation and some tests have been adjusted for the recent + renaming of "pu" branch to "seen". + (merge 6dca5dbf93 js/pu-to-seen later to maint). + + * The code to push changes over "dumb" HTTP had a bad interaction + with the commit reachability code due to incorrect allocation of + object flag bits, which has been corrected. + (merge 64472d15e9 bc/http-push-flagsfix later to maint). + + * "git send-email --in-reply-to=<msg>" did not use the In-Reply-To: + header with the value given from the command line, and let it be + overridden by the value on In-Reply-To: header in the messages + being sent out (if exists). + (merge f9f60d7066 ra/send-email-in-reply-to-from-command-line-wins later to maint). + + * "git log -Lx,y:path --before=date" lost track of where the range + should be because it didn't take the changes made by the youngest + commits that are omitted from the output into account. + + * When "fetch.writeCommitGraph" configuration is set in a shallow + repository and a fetch moves the shallow boundary, we wrote out + broken commit-graph files that do not match the reality, which has + been corrected. + + * "git checkout" failed to catch an error from fstat() after updating + a path in the working tree. + (merge 35e6e212fd mt/entry-fstat-fallback-fix later to maint). + + * Other code cleanup, docfix, build fix, etc. + (merge 2c31a7aa44 jx/pkt-line-doc-count-fix later to maint). + (merge d63ae31962 cb/t5608-cleanup later to maint). + (merge 788db145c7 dl/t-readme-spell-git-correctly later to maint). + (merge 45a87a83bb dl/python-2.7-is-the-floor-version later to maint). + (merge b75a219904 es/advertise-contribution-doc later to maint). + (merge 0c9a4f638a rs/pull-leakfix later to maint). + (merge d546fe2874 rs/commit-reach-leakfix later to maint). + (merge 087bf5409c mk/pb-pretty-email-without-domain-part-fix later to maint). + (merge 5f4ee57ad9 es/worktree-code-cleanup later to maint). + (merge 0172f7834a cc/cat-file-usage-update later to maint). + (merge 81de0c01cf ma/rebase-doc-typofix later to maint). |