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Code clean-up.
* rs/tag-null-pointer-arith-fix:
tag: avoid NULL pointer arithmetic
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Code clean-up.
* rs/cocci-de-paren-call-params:
coccinelle: remove parentheses that become unnecessary
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Code clean-up.
* rs/cleanup-strbuf-users:
graph: use strbuf_addchars() to add spaces
use strbuf_addstr() for adding strings to strbufs
path: use strbuf_add_real_path()
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Code clean-up.
* rs/resolve-ref-optional-result:
refs: pass NULL to resolve_refdup() if hash is not needed
refs: pass NULL to refs_resolve_refdup() if hash is not needed
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The checkpoint command "git fast-import" did not flush updates to
refs and marks unless at least one object was created since the
last checkpoint, which has been corrected, as these things can
happen without any new object getting created.
* er/fast-import-dump-refs-on-checkpoint:
fast-import: checkpoint: dump branches/tags/marks even if object_count==0
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Adjust clang-format penalty parameters.
* bw/git-clang-format:
clang-format: adjust line break penalties
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Docfix.
* ad/doc-markup-fix:
doc: correct command formatting
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Operations that do not touch (majority of) packed refs have been
optimized by making accesses to packed-refs file lazy; we no longer
pre-parse everything, and an access to a single ref in the
packed-refs does not touch majority of irrelevant refs, either.
* mh/mmap-packed-refs: (21 commits)
packed-backend.c: rename a bunch of things and update comments
mmapped_ref_iterator: inline into `packed_ref_iterator`
ref_cache: remove support for storing peeled values
packed_ref_store: get rid of the `ref_cache` entirely
ref_store: implement `refs_peel_ref()` generically
packed_read_raw_ref(): read the reference from the mmapped buffer
packed_ref_iterator_begin(): iterate using `mmapped_ref_iterator`
read_packed_refs(): ensure that references are ordered when read
packed_ref_cache: keep the `packed-refs` file mmapped if possible
packed-backend.c: reorder some definitions
mmapped_ref_iterator_advance(): no peeled value for broken refs
mmapped_ref_iterator: add iterator over a packed-refs file
packed_ref_cache: remember the file-wide peeling state
read_packed_refs(): read references with minimal copying
read_packed_refs(): make parsing of the header line more robust
read_packed_refs(): only check for a header at the top of the file
read_packed_refs(): use mmap to read the `packed-refs` file
die_unterminated_line(), die_invalid_line(): new functions
packed_ref_cache: add a backlink to the associated `packed_ref_store`
prefix_ref_iterator: break when we leave the prefix
...
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Doc updates.
* mr/doc-negative-pathspec:
docs: improve discoverability of exclude pathspec
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Error message tweak.
* sb/submodule-diff-header-fix:
submodule: correct error message for missing commits
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The output from "git diff --summary" was broken in a recent topic
that has been merged to 'master' and lost a LF after reporting of
mode change. This has been fixed.
* sb/diff-color-move:
diff: correct newline in summary for renamed files
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* sb/test-submodule-update-config:
t7406: submodule.<name>.update command must not be run from .gitmodules
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Code clean-up.
* jk/validate-headref-fix:
validate_headref: use get_oid_hex for detached HEADs
validate_headref: use skip_prefix for symref parsing
validate_headref: NUL-terminate HEAD buffer
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Code clean-up to prevent future mistakes by copying and pasting
code that checks the result of read_in_full() function.
* jk/read-in-full:
worktree: check the result of read_in_full()
worktree: use xsize_t to access file size
distinguish error versus short read from read_in_full()
avoid looking at errno for short read_in_full() returns
prefer "!=" when checking read_in_full() result
notes-merge: drop dead zero-write code
files-backend: prefer "0" for write_in_full() error check
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Some commands (most notably "git status") makes an opportunistic
update when performing a read-only operation to help optimize later
operations in the same repository. The new "--no-optional-locks"
option can be passed to Git to disable them.
* jk/no-optional-locks:
git: add --no-optional-locks option
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Doc reorg.
* hn/string-list-doc:
string-list.h: move documentation from Documentation/api/ into header
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Add comment to a few functions that use a short-lived buffer the
caller can peek and copy out of.
* hn/path-ownership-comment:
read_gitfile_gently: clarify return value ownership.
real_path: clarify return value ownership
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* hn/submodule-comment:
submodule.c: describe submodule_to_gitdir() in a new comment
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"git branch" learned "-c/-C" to create a new branch by copying an
existing one.
* sd/branch-copy:
branch: fix "copy" to never touch HEAD
branch: add a --copy (-c) option to go with --move (-m)
branch: add test for -m renaming multiple config sections
config: create a function to format section headers
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Recent versions of "git rev-parse --parseopt" did not parse the
option specification that does not have the optional flags (*=?!)
correctly, which has been corrected.
* bc/rev-parse-parseopt-fix:
parse-options: only insert newline in help text if needed
parse-options: write blank line to correct output stream
t0040,t1502: Demonstrate parse_options bugs
git-rebase: don't ignore unexpected command line arguments
rev-parse parseopt: interpret any whitespace as start of help text
rev-parse parseopt: do not search help text for flag chars
t1502: demonstrate rev-parse --parseopt option mis-parsing
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The final batch to "git rebase -i" updates to move more code from
the shell script to C.
* js/rebase-i-final:
rebase -i: rearrange fixup/squash lines using the rebase--helper
t3415: test fixup with wrapped oneline
rebase -i: skip unnecessary picks using the rebase--helper
rebase -i: check for missing commits in the rebase--helper
t3404: relax rebase.missingCommitsCheck tests
rebase -i: also expand/collapse the SHA-1s via the rebase--helper
rebase -i: do not invent onelines when expanding/collapsing SHA-1s
rebase -i: remove useless indentation
rebase -i: generate the script via rebase--helper
t3415: verify that an empty instructionFormat is handled as before
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lookup_blob() etc. can return NULL if the referenced object isn't of the
expected type. In theory it's wrong to reference the object member in
that case. In practice it's OK because it's located at offset 0 for all
types, so the pointer arithmetic (NULL + 0) is optimized out by the
compiler. The issue is reported by Clang's AddressSanitizer, though.
Avoid the ASan error by casting the results of the lookup functions to
struct object pointers. That works fine with NULL pointers as well. We
already rely on the object member being first in all object types in
other places in the code.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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strbuf_addf() can be used to add a specific number of space characters
by using the format "%*s" with an empty string and specifying the
desired width. Use strbuf_addchars() instead as it's shorter, makes the
intent clearer and is a bit more efficient.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use strbuf_addstr() instead of strbuf_addf() for adding strings. That's
simpler and makes the intent clearer.
Patch generated by Coccinelle and contrib/coccinelle/strbuf.cocci;
adjusted indentation in refs/packed-backend.c manually.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Avoid a string copy to a static buffer by using strbuf_add_real_path()
instead of combining strbuf_addstr() and real_path().
Patch generated by Coccinelle and contrib/coccinelle/strbuf.cocci.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Transformations that hide multiplications can end up with an pair of
parentheses that is no longer needed. E.g. with a rule like this:
@@
expression E;
@@
- E * 2
+ double(E)
... we might get a patch like this:
- x = (a + b) * 2;
+ x = double((a + b));
Add a pair of parentheses to the preimage side of such rules.
Coccinelle will generate patches that remove them if they are present,
and it will still match expressions that lack them.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This allows us to get rid of several write-only variables.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This gets us rid of a write-only variable.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We really, really, really want to limit the columns to 80 per line: One
of the few consistent style comments on the Git mailing list is that the
lines should not have more than 80 columns/line (even if 79 columns/line
would make more sense, given that the code is frequently viewed as diff,
and diffs adding an extra character).
The penalty of 5 for excess characters is way too low to guarantee that,
though, as pointed out by Brandon Williams.
From the existing clang-format examples and documentation, it appears
that 100 is a penalty deemed appropriate for Stuff You Really Don't
Want, so let's assign that as the penalty for "excess characters", i.e.
overly long lines.
While at it, adjust the penalties further: we are actually not that keen
on preventing new line breaks within comments or string literals, so the
penalty of 100 seems awfully high.
Likewise, we are not all that adamant about keeping line breaks away
from assignment operators (a lot of Git's code breaks immediately after
the `=` character just to keep that 80 columns/line limit).
We do frown a little bit more about functions' return types being on
their own line than the penalty 0 would suggest, so this was adjusted,
too.
Finally, we do not particularly fancy breaking before the first parameter
in a call, but if it keeps the line shorter than 80 columns/line, that's
what we do, so lower the penalty for breaking before a call's first
parameter, but not quite as much as introducing new line breaks to
comments.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The checkpoint command cycles packfiles if object_count != 0, a sensible
test or there would be no pack files to write. Since 820b931012, the
command also dumps branches, tags and marks, but still conditionally.
However, it is possible for a command stream to modify refs or create
marks without creating any new objects.
For example, reset a branch (and keep fast-import running):
$ git fast-import
reset refs/heads/master
from refs/heads/master^
checkpoint
but refs/heads/master remains unchanged.
Other example: a commit command that re-creates an object that already
exists in the object database.
The man page also states that checkpoint "updates the refs" and that
"placing a progress command immediately after a checkpoint will inform
the reader when the checkpoint has been completed and it can safely
access the refs that fast-import updated". This wasn't always true
without this patch.
This fix unconditionally calls dump_{branches,tags,marks}() for all
checkpoint commands. dump_branches() and dump_tags() are cheap to call
in the case of a no-op.
Add tests to t9300 that observe the (non-packfiles) effects of
checkpoint.
Signed-off-by: Eric Rannaud <e@nanocritical.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* sb/doc-config-submodule-update:
Documentation/config: clarify the meaning of submodule.<name>.update
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Memory leaks in various codepaths have been plugged.
* ma/leakplugs:
pack-bitmap[-write]: use `object_array_clear()`, don't leak
object_array: add and use `object_array_pop()`
object_array: use `object_array_clear()`, not `free()`
leak_pending: use `object_array_clear()`, not `free()`
commit: fix memory leak in `reduce_heads()`
builtin/commit: fix memory leak in `prepare_index()`
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Many codepaths have been updated to squelch -Wsign-compare
warnings.
* rj/no-sign-compare:
ALLOC_GROW: avoid -Wsign-compare warnings
cache.h: hex2chr() - avoid -Wsign-compare warnings
commit-slab.h: avoid -Wsign-compare warnings
git-compat-util.h: xsize_t() - avoid -Wsign-compare warnings
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As "git commit" to conclude a conflicted "git merge" honors the
commit-msg hook, "git merge" that records a merge commit that
cleanly auto-merges should, but it didn't.
* sb/merge-commit-msg-hook (2017-09-22) 1 commit
(merged to 'next' on 2017-09-25 at 096e0502a8)
+ Documentation/githooks: mention merge in commit-msg hook
Add documentation for a topic that has recently graduated to the
'master' branch.
* sb/merge-commit-msg-hook:
Documentation/githooks: mention merge in commit-msg hook
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"git fast-export" with -M/-C option issued "copy" instruction on a
path that is simultaneously modified, which was incorrect.
* jt/fast-export-copy-modify-fix:
fast-export: do not copy from modified file
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"git describe --match <pattern>" has been taught to play well with
the "--all" option.
* mk/describe-match-with-all:
describe: teach --match to handle branches and remotes
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"git status --ignored", when noticing that a directory without any
tracked path is ignored, still enumerated all the ignored paths in
the directory, which is unnecessary. The codepath has been
optimized to avoid this overhead.
* jm/status-ignored-directory-optim:
Improve performance of git status --ignored
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Leaving spaces around the `-delimeters for commands means asciidoc fails
to parse them as the start of a literal string. Remove an extraneous
space that is causing a literal to not be formatted as such.
Signed-off-by: Adam Dinwoodie <adam@dinwoodie.org>
Acked-by: Andreas Heiduk <asheiduk@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a helper in anticipation for its need in a future topic RSN.
* js/win32-lazyload-dll:
Win32: simplify loading of DLL functions
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The documentation for '-X<option>' for merges was misleadingly
written to suggest that "-s theirs" exists, which is not the case.
* jc/merge-x-theirs-docfix:
merge-strategies: avoid implying that "-s theirs" exists
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Doc update.
* ks/doc-use-camelcase-for-config-name:
doc: camelCase the config variables to improve readability
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The delta format used in the packfile cannot reference data at
offset larger than what can be expressed in 4-byte, but the
generator for the data failed to make sure the offset does not
overflow. This has been corrected.
* mk/diff-delta-avoid-large-offset:
diff-delta: do not allow delta offset truncation
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The machinery to create xdelta used in pack files received the
sizes of the data in size_t, but lost the higher bits of them by
storing them in "unsigned int" during the computation, which is
fixed.
* mk/diff-delta-uint-may-be-shorter-than-ulong:
diff-delta: fix encoding size that would not fit in "unsigned int"
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Code clean-up.
* rs/resolve-ref-optional-result:
refs: pass NULL to resolve_ref_unsafe() if hash is not needed
refs: pass NULL to refs_resolve_ref_unsafe() if hash is not needed
refs: make sha1 output parameter of refs_resolve_ref_unsafe() optional
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"git mailinfo" was loose in decoding quoted printable and produced
garbage when the two letters after the equal sign are not
hexadecimal. This has been fixed.
* rs/mailinfo-qp-decode-fix:
mailinfo: don't decode invalid =XY quoted-printable sequences
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A docfix.
* jk/doc-read-tree-table-asciidoctor-fix:
doc: put literal block delimiter around table
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The built-in pattern to detect the "function header" for HTML did
not match <H1>..<H6> elements without any attributes, which has
been fixed.
* ik/userdiff-html-h-element-fix:
userdiff: fix HTML hunk header regexp
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