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Unroll the while loop inside find_unique_abbrev_r to avoid iterating
through all loose objects and packfiles multiple times when the short
name is longer than the predicted length.
Instead, inspect each object that collides with the estimated
abbreviation to find the longest common prefix.
The focus of this change is to refactor the existing method in a way
that clearly does not change the current behavior. In some cases, the
new method is slower than the previous method. Later changes will
correct all performance loss.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a new perf test for testing the performance of log while computing
OID abbreviations. Using --oneline --raw and --parents options maximizes
the number of OIDs to abbreviate while still spending some time computing
diffs.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
RelNotes: further fixes for 2.14.2 from the master front
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code simplification.
* rs/apply-epoch:
apply: remove epoch date from regex
apply: check date of potential epoch timestamps first
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Code clean-up.
* jk/drop-sha1-entry-pos:
sha1-lookup: remove sha1_entry_pos() from header file
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"git branch -M a b" while on a branch that is completely unrelated
to either branch a or branch b misbehaved when multiple worktree
was in use. This has been fixed.
* nd/worktree-kill-parse-ref:
branch: fix branch renaming not updating HEADs correctly
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In addition to "cc: <a@dd.re.ss> # cruft", "cc: a@dd.re.ss # cruft"
was taught to "git send-email" as a valid way to tell it that it
needs to also send a carbon copy to <a@dd.re.ss> in the trailer
section.
* mm/send-email-cc-cruft:
send-email: don't use Mail::Address, even if available
send-email: fix garbage removal after address
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The codepath to call external process filter for smudge/clean
operation learned to show the progress meter.
* ls/convert-filter-progress:
convert: display progress for filtered objects that have been delayed
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Message and doc updates.
* ma/up-to-date:
treewide: correct several "up-to-date" to "up to date"
Documentation/user-manual: update outdated example output
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Assorted bugfixes and clean-ups.
* ma/ts-cleanups:
ThreadSanitizer: add suppressions
strbuf_setlen: don't write to strbuf_slopbuf
pack-objects: take lock before accessing `remaining`
convert: always initialize attr_action in convert_attrs
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doc updates.
* jt/doc-pack-objects-fix:
Doc: clarify that pack-objects makes packs, plural
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Code clean-up.
* jn/vcs-svn-cleanup:
vcs-svn: move remaining repo_tree functions to fast_export.h
vcs-svn: remove repo_delete wrapper function
vcs-svn: remove custom mode constants
vcs-svn: remove more unused prototypes and declarations
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Code clean-up.
* bc/vcs-svn-cleanup:
vcs-svn: rename repo functions to "svn_repo"
vcs-svn: remove unused prototypes
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Doc clean-up.
* jk/doc-the-this:
doc: fix typo in sendemail.identity
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Code clean-up.
* rs/commit-h-single-parent-cleanup:
commit: remove unused inline function single_parent()
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Doc fix.
* mg/format-ref-doc-fix:
Documentation/git-for-each-ref: clarify peeling of tags for --format
Documentation: use proper wording for ref format strings
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Code clean-up.
* sb/submodule-parallel-update:
submodule.sh: remove unused variable
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Test fix.
* hv/t5526-andand-chain-fix:
t5526: fix some broken && chains
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Code clean-up.
* sb/sha1-file-cleanup:
sha1_file: make read_info_alternates static
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Test simplification.
* rs/t1002-do-not-use-sum:
t1002: stop using sum(1)
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Doc update.
* ah/doc-empty-string-is-false:
doc: clarify "config --bool" behaviour with empty string
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Code clean-up.
* rs/merge-microcleanup:
merge: use skip_prefix()
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Code clean-up.
* rs/find-pack-entry-bisection:
sha1_file: avoid comparison if no packed hash matches the first byte
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Code clean-up.
* rs/apply-lose-prefix-length:
apply: remove prefix_length member from apply_state
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Message fix.
* rj/add-chmod-error-message:
builtin/add: add detail to a 'cannot chmod' error message
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Code clean-up.
* jk/hashcmp-memcmp:
hashcmp: use memcmp instead of open-coded loop
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A test fix.
* rs/t3700-clean-leftover:
t3700: fix broken test under !POSIXPERM
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A comment fix.
* jc/perl-git-comment-typofix:
perl/Git.pm: typofix in a comment
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Code clean-up.
* mf/no-dashed-subcommands:
scripts: use "git foo" not "git-foo"
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A test fix.
* ab/ref-filter-no-contains:
tests: don't give unportable ">" to "test" built-in, use -gt
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"git archive" did not work well with pathspecs and the
export-ignore attribute.
We may want to resurrect the "we don't archive an empty directory"
bonus patch, but I do not mind merging the above early to 'next'
and leave it as a separate follow-up enhancement.
cf. <20170820090629.tumvqwzkromcykjf@sigill.intra.peff.net>
* rs/archive-excluded-directory:
archive: don't queue excluded directories
archive: factor out helper functions for handling attributes
t5001: add tests for export-ignore attributes and exclude pathspecs
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Killing "git merge --edit" before the editor returns control left
the repository in a state with MERGE_MSG but without MERGE_HEAD,
which incorrectly tells the subsequent "git commit" that there was
a squash merge in progress. This has been fixed.
* mg/killed-merge:
merge: save merge state earlier
merge: split write_merge_state in two
merge: clarify call chain
Documentation/git-merge: explain --continue
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"git apply" that is used as a better "patch -p1" failed to apply a
taken from a file with CRLF line endings to a file with CRLF line
endings. The root cause was because it misused convert_to_git()
that tried to do "safe-crlf" processing by looking at the index
entry at the same path, which is a nonsense---in that mode, "apply"
is not working on the data in (or derived from) the index at all.
This has been fixed.
* tb/apply-with-crlf:
apply: file commited with CRLF should roundtrip diff and apply
convert: add SAFE_CRLF_KEEP_CRLF
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When handshake with a subprocess filter notices that the process
asked for an unknown capability, Git did not report what program
the offending subprocess was running. This has been corrected.
We may want a follow-up fix to tighten the error checking, though.
* cc/subprocess-handshake-missing-capabilities:
sub-process: print the cmd when a capability is unsupported
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"git grep -L" and "git grep --quiet -L" reported different exit
codes; this has been corrected.
* as/grep-quiet-no-match-exit-code-fix:
git-grep: correct exit code with --quiet and -L
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bash 4.4 or newer gave a warning on NUL byte in command
substitution done in "git stash"; this has been squelched.
* kd/stash-with-bash-4.4:
stash: prevent warning about null bytes in input
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Memory leak in an error codepath has been plugged.
* rs/win32-syslog-leakfix:
win32: plug memory leak on realloc() failure in syslog()
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Memory leak in an error codepath has been plugged.
* rs/unpack-entry-leakfix:
sha1_file: release delta_stack on error in unpack_entry()
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Memory leak in an error codepath has been plugged.
* rs/fsck-obj-leakfix:
fsck: free buffers on error in fsck_obj()
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"git svn" used with "--localtime" option did not compute the tz
offset for the timestamp in question and instead always used the
current time, which has been corrected.
* ur/svn-local-zone:
git svn fetch: Create correct commit timestamp when using --localtime
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"git am -s" has been taught that some input may end with a trailer
block that is not Signed-off-by: and it should refrain from adding
an extra blank line before adding a new sign-off in such a case.
* pw/am-signoff:
am: fix signoff when other trailers are present
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Portability fix.
* rs/in-obsd-basename-dirname-take-const:
test-path-utils: handle const parameter of basename and dirname
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Test portability fix.
* rs/t4062-obsd:
t4062: use less than 256 repetitions in regex
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Test portability fix for BSDs.
* rs/obsd-getcwd-workaround:
t0001: skip test with restrictive permissions if getpwd(3) respects them
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"git clone --recurse-submodules --quiet" did not pass the quiet
option down to submodules.
* bw/clone-recursive-quiet:
clone: teach recursive clones to respect -q
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Commands like "git rebase" accepted the --rerere-autoupdate option
from the command line, but did not always use it. This has been
fixed.
* pw/sequence-rerere-autoupdate:
cherry-pick/revert: reject --rerere-autoupdate when continuing
cherry-pick/revert: remember --rerere-autoupdate
t3504: use test_commit
rebase -i: honor --rerere-autoupdate
rebase: honor --rerere-autoupdate
am: remember --rerere-autoupdate setting
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"git push --recurse-submodules $there HEAD:$target" was not
propagated down to the submodules, but now it is.
* bw/push-options-recursively-to-submodules:
submodule--helper: teach push-check to handle HEAD
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The "tag.pager" configuration variable was useless for those who
actually create tag objects, as it interfered with the use of an
editor. A new mechanism has been introduced for commands to enable
pager depending on what operation is being carried out to fix this,
and then "git tag -l" is made to run pager by default.
If this works out OK, I think there are low-hanging fruits in
other commands like "git branch" that outputs long list in one mode
while taking input in another.
* ma/pager-per-subcommand-action:
git.c: ignore pager.* when launching builtin as dashed external
tag: change default of `pager.tag` to "on"
tag: respect `pager.tag` in list-mode only
t7006: add tests for how git tag paginates
git.c: provide setup_auto_pager()
git.c: let builtins opt for handling `pager.foo` themselves
builtin.h: take over documentation from api-builtin.txt
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Derrick Stolee
Junio C Hamano