| Age | Commit message (Collapse) | Author | Files | Lines |
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Test clean-up.
* ds/t7700-kept-pack-test:
test-lib-functions: remove test_subcommand_inexact
t7700: check post-condition in kept-pack test
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Code clean-up.
* ds/partial-bundle-more:
pack-objects: lazily set up "struct rev_info", don't leak
bundle: output hash information in 'verify'
bundle: move capabilities to end of 'verify'
pack-objects: parse --filter directly into revs.filter
pack-objects: move revs out of get_object_list()
list-objects-filter: remove CL_ARG__FILTER
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"git ls-tree" learns "--oid-only" option, similar to "--name-only",
and more generalized "--format" option.
* tl/ls-tree-oid-only:
ls-tree: split up "fast path" callbacks
ls-tree: detect and error on --name-only --name-status
ls-tree: support --object-only option for "git-ls-tree"
ls-tree: introduce "--format" option
cocci: allow padding with `strbuf_addf()`
ls-tree: introduce struct "show_tree_data"
ls-tree: slightly refactor `show_tree()`
ls-tree: fix "--name-only" and "--long" combined use bug
ls-tree: simplify nesting if/else logic in "show_tree()"
ls-tree: rename "retval" to "recurse" in "show_tree()"
ls-tree: use "size_t", not "int" for "struct strbuf"'s "len"
ls-tree: use "enum object_type", not {blob,tree,commit}_type
ls-tree: add missing braces to "else" arms
ls-tree: remove commented-out code
ls-tree tests: add tests for --name-status
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"git reflog" command now uses parse-options API to parse its
command line options.
* ab/reflog-parse-options:
reflog: fix 'show' subcommand's argv
reflog [show]: display sensible -h output
reflog: convert to parse_options() API
reflog exists: use parse_options() API
git reflog [expire|delete]: make -h output consistent with SYNOPSIS
reflog: move "usage" variables and use macros
reflog tests: add missing "git reflog exists" tests
reflog: refactor cmd_reflog() to "if" branches
reflog.c: indent argument lists
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Fix test framework a bit.
* ab/test-tap-fix-for-immediate:
test-lib: have --immediate emit valid TAP on failure
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Update tests around the use of hook scripts.
* ab/hook-tests-updates:
http tests: use "test_hook" for "smart" and "dumb" http tests
proc-receive hook tests: use "test_hook" instead of "write_script"
tests: extend "test_hook" for "rm" and "chmod -x", convert "$HOOK"
tests: use "test_hook" for misc "mkdir -p" and "chmod" cases
tests: change "mkdir -p && write_script" to use "test_hook"
tests: change "cat && chmod +x" to use "test_hook"
gc + p4 tests: use "test_hook", remove sub-shells
fetch+push tests: use "test_hook" and "test_when_finished" pattern
bugreport tests: tighten up "git bugreport -s hooks" test
tests: assume the hooks are disabled by default
http tests: don't rely on "hook/post-update.sample"
hook tests: turn exit code assertions into a loop
test-lib-functions: add and use a "test_hook" wrapper
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"git stash" does not allow subcommands it internally runs as its
implementation detail, except for "git reset", to emit messages;
now "git reset" part has also been squelched.
* vd/stash-silence-reset:
reset: show --no-refresh in the short-help
reset: remove 'reset.refresh' config option
reset: remove 'reset.quiet' config option
reset: do not make '--quiet' disable index refresh
stash: make internal resets quiet and refresh index
reset: suppress '--no-refresh' advice if logging is silenced
reset: replace '--quiet' with '--no-refresh' in performance advice
reset: introduce --[no-]refresh option to --mixed
reset: revise index refresh advice
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"git rebase $base $non_branch_commit", when $base is an ancestor or
the $non_branch_commit, modified the current branch, which has been
corrected.
* jc/rebase-detach-fix:
rebase: set REF_HEAD_DETACH in checkout_up_to_date()
rebase: use test_commit helper in setup
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When "shallow" information is updated, we forgot to update the
in-core equivalent, which has been corrected.
* jt/reset-grafts-when-resetting-shallow:
shallow: reset commit grafts when shallow is reset
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Correct a bug in unpack-trees introduced earlier.
* vd/cache-bottom-fix:
Revert "unpack-trees: improve performance of next_cache_entry"
unpack-trees: increment cache_bottom for sparse directories
t1092: add sparse directory before cone in test repo
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When "git fetch --recurse-submodules" grabbed submodule commits
that would be needed to recursively check out newly fetched commits
in the superproject, it only paid attention to submodules that are
in the current checkout of the superproject. We now do so for all
submodules that have been run "git submodule init" on.
* gc/recursive-fetch-with-unused-submodules:
submodule: fix latent check_has_commit() bug
fetch: fetch unpopulated, changed submodules
submodule: move logic into fetch_task_create()
submodule: extract get_fetch_task()
submodule: store new submodule commits oid_array in a struct
submodule: inline submodule_commits() into caller
submodule: make static functions read submodules from commits
t5526: create superproject commits with test helper
t5526: stop asserting on stderr literally
t5526: introduce test helper to assert on fetches
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The implementation of test_subcommand_inexact() was originally
introduced in e4d0c11c0 (repack: respect kept objects with '--write-midx
-b', 2021-12-20) with the intention to allow finding a subcommand based
on an initial set of arguments. The inexactness was intended as a way to
allow flexible options beyond that initial set, as opposed to
test_subcommand() which requires that the full list of options is
provided in its entirety.
The implementation began by copying test_subcommand() and replaced the
repeated argument 'printf' statement to append ".*" instead of "," to
each argument. This caused it to be more flexible than initially
intended.
The previous change deleted the only use of test_subcommand_inexact, so
instead of editing the helper, delete it.
Helped-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The '--write-midx -b packs non-kept objects' test in t7700-repack.sh
uses test_subcommand_inexact to check that 'git repack' properly adds
the '--honor-pack-keep' flag to the 'git pack-objects' subcommand.
However, the test_subcommand_inexact helper is more flexible than
initially designed, and this instance is the only one that makes use of
it: there are additional arguments between 'git pack-objects' and the
'--honor-pack-keep' flag. In order to make test_subcommand_inexact more
strict, we need to fix this instance.
This test checks that 'git repack --write-midx -a -b -d' will create a
new pack-file that does not contain the objects within the kept pack.
This behavior is possible because of the multi-pack-index bitmap that
will bitmap objects against multiple packs. Without --write-midx, the
objects in the kept pack would be duplicated so the resulting pack is
closed under reachability and bitmaps can be created against it. This is
discussed in more detail in e4d0c11c0 (repack: respect kept objects with
'--write-midx -b', 2021-12-20) which also introduced this instance of
test_subcommand_inexact.
To better verify the intended post-conditions while also removing this
instance of test_subcommand_inexact, rewrite the test to check the list
of packed objects in the kept pack and the list of the objects in the
newly-repacked pack-file _other_ than the kept pack. These lists should
be disjoint.
Be sure to include a non-kept pack-file and loose objects to be extra
careful that this is properly behaving with kept packs and not just
avoiding repacking all pack-files.
Co-authored-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the "--immediate" option so that it emits valid TAP on
failure. Before this it would omit the required plan at the end,
e.g. under SANITIZE=leak we'd show a "No plan found in TAP output"
error from "prove":
$ prove t0006-date.sh :: --immediate
t0006-date.sh .. Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/22 subtests
Test Summary Report
-------------------
t0006-date.sh (Wstat: 256 Tests: 22 Failed: 1)
Failed test: 22
Non-zero exit status: 1
Parse errors: No plan found in TAP output
Files=1, Tests=22, 0 wallclock secs ( 0.02 usr 0.01 sys + 0.18 cusr 0.06 csys = 0.27 CPU)
Result: FAIL
Now we'll emit output that doesn't result in TAP parsing failures:
$ prove t0006-date.sh :: --immediate
t0006-date.sh .. Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/22 subtests
Test Summary Report
-------------------
t0006-date.sh (Wstat: 256 Tests: 22 Failed: 1)
Failed test: 22
Non-zero exit status: 1
Files=1, Tests=22, 0 wallclock secs ( 0.02 usr 0.00 sys + 0.19 cusr 0.05 csys = 0.26 CPU)
Result: FAIL
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the "git reflog show -h" output to show the usage summary
relevant to it, rather than displaying the same output that "git log
-h" would show.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Continue the work started in 33d7bdd6459 (builtin/reflog.c: use
parse-options api for expire, delete subcommands, 2022-01-06) and
convert the cmd_reflog() function itself to use the parse_options()
API.
Let's also add a test which would fail if we forgot
PARSE_OPT_NO_INTERNAL_HELP here, as well as making sure that we'll
still pass through "--" by supplying PARSE_OPT_KEEP_DASHDASH. For that
test we need to change "test_commit()" to accept files starting with
"--".
The "git reflog -h" usage will now show the usage for all of the
sub-commands, rather than a terse summary which wasn't
correct (e.g. "git reflog exists" is not a valid command). See my
8757b35d443 (commit-graph: define common usage with a macro,
2021-08-23) for prior art.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove the 'reset.refresh' option, requiring that users explicitly specify
'--no-refresh' if they want to skip refreshing the index.
The 'reset.refresh' option was introduced in 101cee42dd (reset: introduce
--[no-]refresh option to --mixed, 2022-03-11) as a replacement for the
refresh-skipping behavior originally controlled by 'reset.quiet'.
Although 'reset.refresh=false' functionally served the same purpose as
'reset.quiet=true', it exposed [1] the fact that the existence of a global
"skip refresh" option could potentially cause problems for users. Allowing a
global config option to avoid refreshing the index forces scripts using 'git
reset --mixed' to defensively use '--refresh' if index refresh is expected;
if that option is missing, behavior of a script could vary from user-to-user
without explanation.
Furthermore, globally disabling index refresh in 'reset --mixed' was
initially devised as a passive performance improvement; since the
introduction of the option, other changes have been made to Git (e.g., the
sparse index) with a greater potential performance impact without
sacrificing index correctness. Therefore, we can more aggressively err on
the side of correctness and limit the cases of skipping index refresh to
only when a user specifies the '--no-refresh' option.
[1] https://lore.kernel.org/git/xmqqy2179o3c.fsf@gitster.g/
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove the 'reset.quiet' config option, remove '--no-quiet' documentation in
'Documentation/git-reset.txt'. In 4c3abd0551 (reset: add new reset.quiet
config setting, 2018-10-23), 'reset.quiet' was introduced as a way to
globally change the default behavior of 'git reset --mixed' to skip index
refresh.
However, now that '--quiet' does not affect index refresh, 'reset.quiet'
would only serve to globally silence logging. This was not the original
intention of the config setting, and there's no precedent for such a setting
in other commands with a '--quiet' option, so it appears to be obsolete.
In addition to the options & its documentation, remove 'reset.quiet' from
the recommended config for 'scalar'.
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update '--quiet' to no longer implicitly skip refreshing the index in a
mixed reset. Users now have the ability to explicitly disable refreshing the
index with the '--no-refresh' option, so they no longer need to use
'--quiet' to do so. Moreover, we explicitly remove the refresh-skipping
behavior from '--quiet' because it is completely unrelated to the stated
purpose of the option: "Be quiet, only report errors."
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Double-free fix for a recently merged topic.
* ab/plug-random-leaks:
diff.c: fix a double-free regression in a18d66cefb
tests: demonstrate "show --word-diff --color-moved" regression
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Optimize away strbuf_expand() call with a hardcoded formatting logic
specific for the default format in the --batch and --batch-check
options of "git cat-file".
* jc/cat-file-batch-default-format-optim:
cat-file: skip expanding default format
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A new test to ensure a lazy fetching is not triggered when it
should not be.
* ac/test-lazy-fetch:
partial-clone: add a partial-clone test case
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"git repack" learned a new configuration to disable triggering of
age-old "update-server-info" command, which is rarely useful these
days.
* ps/repack-with-server-info:
repack: add config to skip updating server info
repack: refactor to avoid double-negation of update-server-info
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Regression fix.
* ab/reflog-prep-fix:
reflog: don't be noisy on empty reflogs
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Code clean-up.
* ep/remove-duplicated-includes:
attr.h: remove duplicate struct definition
t/helper/test-run-command.c: delete duplicate include
builtin/stash.c: delete duplicate include
builtin/sparse-checkout.c: delete duplicate include
builtin/gc.c: delete duplicate include
attr.c: delete duplicate include
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Code clean-up.
* ep/t6423-modernize:
t6423-merge-rename-directories.sh: use the $(...) construct
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"git name-rev" learned to use the generation numbers when setting
the lower bound of searching commits used to explain the revision,
when available, instead of committer time.
* jk/name-rev-w-genno:
name-rev: use generation numbers if available
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A new built-in userdiff driver for kotlin.
* jd/userdiff-kotlin:
userdiff: add builtin diff driver for kotlin language.
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Rewrite of "git submodule update" in C (early part).
* gc/submodule-update-part1:
submodule--helper update-clone: check for --filter and --init
submodule update: add tests for --filter
submodule--helper: remove ensure-core-worktree
submodule--helper update-clone: learn --init
submodule--helper: allow setting superprefix for init_submodule()
submodule--helper: refactor get_submodule_displaypath()
submodule--helper run-update-procedure: learn --remote
submodule--helper: don't use bitfield indirection for parse_options()
submodule--helper: get remote names from any repository
submodule--helper run-update-procedure: remove --suboid
submodule--helper: reorganize code for sh to C conversion
submodule--helper: remove update-module-mode
submodule tests: test for init and update failure output
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The previous change moved the 'filter' capability to the end of the 'git
bundle verify' output. Now, add the 'object-format' capability to the
output, when it exists.
This change makes 'git bundle verify' output the hash used in all cases,
even if the capability is not in the bundle. This means that v2 bundles
will always output that they use "sha1". This might look noisy to some
users, but it does simplify the implementation and the test strategy for
this feature.
Since 'verify' ends early when a prerequisite commit is missing, we need
to insert this hash message carefully into our expected test output
throughout t6020.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'filter' capability was added in 105c6f14a (bundle: parse filter
capability, 2022-03-09), but was added in a strange place in the 'git
bundle verify' output.
The tests for this show output like the following:
The bundle contains these 2 refs:
<COMMIT1> <REF1>
<COMMIT2> <REF2>
The bundle uses this filter: blob:none
The bundle records a complete history.
This looks very odd if we have a thin bundle that contains boundary
commits instead of a complete history:
The bundle contains these 2 refs:
<COMMIT1> <REF1>
<COMMIT2> <REF2>
The bundle uses this filter: blob:none
The bundle requires these 2 refs:
<COMMIT3>
<COMMIT4>
This separation between tip refs and boundary refs is unfortunate. Move
the filter capability output to the end of the output. Update the
documentation to match.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --name-only and --name-status options are synonyms, but let's
detect and error if both are provided.
In addition let's add explicit --format tests for the combination of
these various options.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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'--object-only' is an alias for '--format=%(objectname)'. It cannot
be used together other format-altering options like '--name-only',
'--long' or '--format', they are mutually exclusive.
The "--name-only" option outputs <filepath> only. Likewise, <objectName>
is another high frequency used field, so implement '--object-only' option
will bring intuitive and clear semantics for this scenario. Using
'--format=%(objectname)' we can achieve a similar effect, but the former
is with a lower learning cost(without knowing the format requirement
of '--format' option).
Even so, if a user is prefer to use "--format=%(objectname)", this is entirely
welcome because they are not only equivalent in function, but also have almost
identical performance. The reason is this commit also add the specific of
"--format=%(objectname)" to the current fast-pathes (builtin formats) to
avoid running unnecessary parsing mechanisms.
The following performance benchmarks are based on torvalds/linux.git:
When hit the fast-path:
Benchmark 1: /opt/git/ls-tree-oid-only/bin/git ls-tree -r --object-only HEAD
Time (mean ± σ): 83.6 ms ± 2.0 ms [User: 59.4 ms, System: 24.1 ms]
Range (min … max): 80.4 ms … 87.2 ms 35 runs
Benchmark 1: /opt/git/ls-tree-oid-only/bin/git ls-tree -r --format='%(objectname)' HEAD
Time (mean ± σ): 84.1 ms ± 1.8 ms [User: 61.7 ms, System: 22.3 ms]
Range (min … max): 80.9 ms … 87.5 ms 35 runs
But for a customized format, it will be slower:
Benchmark 1: /opt/git/ls-tree-oid-only/bin/git ls-tree -r --format='oid: %(objectname)' HEAD
Time (mean ± σ): 96.5 ms ± 2.5 ms [User: 72.9 ms, System: 23.5 ms]
Range (min … max): 93.1 ms … 104.1 ms 31 runs
Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a --format option to ls-tree. It has an existing default output,
and then --long and --name-only options to emit the default output
along with the objectsize and, or to only emit object paths.
Rather than add --type-only, --object-only etc. we can just support a
--format using a strbuf_expand() similar to "for-each-ref
--format". We might still add such options in the future for
convenience.
The --format implementation is slower than the existing code, but this
change does not cause any performance regressions. We'll leave the
existing show_tree() unchanged, and only run show_tree_fmt() in if
a --format different than the hardcoded built-in ones corresponding to
the existing modes is provided.
I.e. something like the "--long" output would be much slower with
this, mainly due to how we need to allocate various things to do with
quote.c instead of spewing the output directly to stdout.
The new option of '--format' comes from Ævar Arnfjörð Bjarmasonn's
idea and suggestion, this commit makes modifications in terms of the
original discussion on community [1].
In [1] there was a "GIT_TEST_LS_TREE_FORMAT_BACKEND" variable to
ensure that we had test coverage for passing tests that would
otherwise use show_tree() through show_tree_fmt(), and thus that the
formatting mechanism could handle all the same cases as the
non-formatting options.
Somewhere in subsequent re-rolls of that we seem to have drifted away
from what the goal of these tests should be. We're trying to ensure
correctness of show_tree_fmt(). We can't tell if we "hit [the]
fast-path" here, and instead of having an explicit test for that, we
can just add it to something our "test_ls_tree_format" tests for.
Here is the statistics about performance tests:
1. Default format (hitten the builtin formats):
"git ls-tree <tree-ish>" vs "--format='%(mode) %(type) %(object)%x09%(file)'"
$hyperfine --warmup=10 "/opt/git/master/bin/git ls-tree -r HEAD"
Benchmark 1: /opt/git/master/bin/git ls-tree -r HEAD
Time (mean ± σ): 105.2 ms ± 3.3 ms [User: 84.3 ms, System: 20.8 ms]
Range (min … max): 99.2 ms … 113.2 ms 28 runs
$hyperfine --warmup=10 "/opt/git/ls-tree-oid-only/bin/git ls-tree -r --format='%(mode) %(type) %(object)%x09%(file)' HEAD"
Benchmark 1: /opt/git/ls-tree-oid-only/bin/git ls-tree -r --format='%(mode) %(type) %(object)%x09%(file)' HEAD
Time (mean ± σ): 106.4 ms ± 2.7 ms [User: 86.1 ms, System: 20.2 ms]
Range (min … max): 100.2 ms … 110.5 ms 29 runs
2. Default format includes object size (hitten the builtin formats):
"git ls-tree -l <tree-ish>" vs "--format='%(mode) %(type) %(object) %(size:padded)%x09%(file)'"
$hyperfine --warmup=10 "/opt/git/master/bin/git ls-tree -r -l HEAD"
Benchmark 1: /opt/git/master/bin/git ls-tree -r -l HEAD
Time (mean ± σ): 335.1 ms ± 6.5 ms [User: 304.6 ms, System: 30.4 ms]
Range (min … max): 327.5 ms … 348.4 ms 10 runs
$hyperfine --warmup=10 "/opt/git/ls-tree-oid-only/bin/git ls-tree -r --format='%(mode) %(type) %(object) %(size:padded)%x09%(file)' HEAD"
Benchmark 1: /opt/git/ls-tree-oid-only/bin/git ls-tree -r --format='%(mode) %(type) %(object) %(size:padded)%x09%(file)' HEAD
Time (mean ± σ): 337.2 ms ± 8.2 ms [User: 309.2 ms, System: 27.9 ms]
Range (min … max): 328.8 ms … 349.4 ms 10 runs
Links:
[1] https://public-inbox.org/git/RFC-patch-6.7-eac299f06ff-20211217T131635Z-avarab@gmail.com/
[2] https://lore.kernel.org/git/cb717d08be87e3239117c6c667cb32caabaad33d.1646390152.git.dyroneteng@gmail.com/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If we execute "git ls-tree" with combined "--name-only" and "--long"
, only the pathname will be printed, the size is omitted (the original
discoverer was Peff in [1]).
This commit fix this issue by using `OPT_CMDMODE()` instead to make both
of them mutually exclusive.
[1] https://public-inbox.org/git/YZK0MKCYAJmG+pSU@coredump.intra.peff.net/
Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --name-status synonym for --name-only added in
c639a5548a5 (ls-tree: --name-only, 2005-12-01) had no tests, let's
make sure it works the same way as its sibling.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove unneeded <meta http-equiv=content-type...> from gitweb
output.
* jy/gitweb-no-need-for-meta:
gitweb: remove invalid http-equiv="content-type"
comment: fix typo
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Bundle file format gets extended to allow a partial bundle,
filtered by similar criteria you would give when making a
partial/lazy clone.
* ds/partial-bundles:
clone: fail gracefully when cloning filtered bundle
bundle: unbundle promisor packs
bundle: create filtered bundles
rev-list: move --filter parsing into revision.c
bundle: parse filter capability
list-objects: handle NULL function pointers
MyFirstObjectWalk: update recommended usage
list-objects: consolidate traverse_commit_list[_filtered]
pack-bitmap: drop filter in prepare_bitmap_walk()
pack-objects: use rev.filter when possible
revision: put object filter into struct rev_info
list-objects-filter-options: create copy helper
index-pack: document and test the --promisor option
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The method to trigger malloc check used in our tests no longer work
with newer versions of glibc.
* ep/test-malloc-check-with-glibc-2.34:
test-lib: declare local variables as local
test-lib.sh: Use GLIBC_TUNABLES instead of MALLOC_CHECK_ on glibc >= 2.34
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Test fixes.
* sm/no-git-in-upstream-of-pipe-in-tests:
t0030-t0050: avoid pipes with Git on LHS
t0001-t0028: avoid pipes with Git on LHS
t0003: avoid pipes with Git on LHS
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"git rebase A B" where B is not a commit should behave as if the
HEAD got detached at B and then the detached HEAD got rebased on top
of A. A bug however overwrites the current branch to point at B,
when B is a descendant of A (i.e. the rebase ends up being a
fast-forward). See [1] for the original bug report.
The callstack from checkout_up_to_date() is the following:
cmd_rebase()
-> checkout_up_to_date()
-> reset_head()
-> update_refs()
-> update_ref()
When B is not a valid branch but an oid, rebase sets the head_name
of rebase_options to NULL. This value gets passed down this call
chain through the branch member of reset_head_opts also getting set
to NULL all the way to update_refs().
Then update_refs() checks ropts.branch to decide whether or not to switch
branches. If ropts.branch is NULL, it calls update_ref() to update HEAD.
At this point however, from rebase's point of view, we want a detached
HEAD. But, since checkout_up_to_date() does not set the RESET_HEAD_DETACH
flag, the update_ref() call will deference HEAD and update the branch its
pointing to. We want the HEAD detached at B instead.
Fix this bug by adding the RESET_HEAD_DETACH flag in
checkout_up_to_date if B is not a valid branch, so that once
reset_head() calls update_refs(), it calls update_ref() with
REF_NO_DEREF which updates HEAD directly intead of deferencing it
and updating the branch that HEAD points to.
Also add a test to ensure the correct behavior.
[1] https://lore.kernel.org/git/YiokTm3GxIZQQUow@newk/
Reported-by: Michael McClimon <michael@mcclimon.org>
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To prepare for the next commit that will test rebase with oids instead
of branch names, update the rebase setup test to add a couple of tags we
can use. This uses the test_commit helper so we can replace some lines
that add a commit manually.
Setting logAllRefUpdates is not necessary because it's on by default for
repositories with a working tree.
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the "reflog exists" command added in afcb2e7a3b8 (git-reflog:
add exists command, 2015-07-21) to use parse_options() instead of its
own custom command-line parser. This continues work started in
33d7bdd6459 (builtin/reflog.c: use parse-options api for expire,
delete subcommands, 2022-01-06).
As a result we'll understand the --end-of-options synonym for "--", so
let's test for that.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There were a few "git reflog exists" tests scattered over the test
suite, but let's consolidate the testing of the main functionality
into a new test file. This makes it easier to run just these tests
during development.
To do that amend and extend an existing test added in
afcb2e7a3b8 (git-reflog: add exists command, 2015-07-21). Let's use
"test_must_fail" instead of "!" (in case it segfaults), and test for
basic usage, an unknown option etc.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When reset_repository_shallow() is called, Git clears its cache of
shallow information, so that if shallow information is re-requested, Git
will read fresh data from disk instead of reusing its stale cached data.
However, the cache of commit grafts is not likewise cleared, even though
there are commit grafts created from shallow information.
This means that if on-disk shallow information were to be updated and
then a commit-graft-using codepath were run (for example, a revision
walk), Git would be using stale commit graft information. This can be
seen from the test in this patch, in which Git performs a revision walk
(to check for changed submodules) after a fetch with --update-shallow.
Therefore, clear the cache of commit grafts whenever
reset_repository_shallow() is called.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the http tests to use "test_hook" insteadd of
"write_script". In both cases we can get rid of sub-shelling. For
"t/t5550-http-fetch-dumb.sh" add a trivial helper which sets up the
hook and calls "update-server-info".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the t5411/*.sh tests to use the test_hook helper instead of
"write_script". Unfortunately these tests do the setup and test across
different test_expect_success blocks, so we have to use
--clobber (implying --setup) for these.
Let's change those that can use a quoted here-doc to do so while we're
at it.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Extend the "test_hook" function to take options to disable and remove
hooks. Using the wrapper instead of getting the path and running
"chmod -x" or "rm" will make it easier to eventually emulate the same
behavior with config-based hooks.
Not all of these tests need that new mode, but since the rest are
either closely related or use the same "$HOOK" pattern let's convert
them too.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Correct tracking of the 'cache_bottom' for cases where sparse directories
are present in the index.
BACKGROUND
----------
The 'unpack_trees_options.cache_bottom' is a variable that tracks the
in-progress "bottom" of the cache as 'unpack_trees()' iterates through the
contents of the index. Most importantly, this value informs the sequential
return values of 'next_cache_entry()' which, in the "diff cache" usage of
'unpack_callback()', are either unpacked as-is or are passed into the diff
machinery.
The 'cache_bottom' is intended to track the position of the first entry in
the index that has not yet been diffed or unpacked. It is advanced in two
main ways: either it is incremented when an index entry is marked as "used"
(in 'mark_ce_used()'), indicating that it was unpacked or diffed, or when a
directory is unpacked, in which case it is increased by an amount equaling
the number of index entries inside that tree.
In 17a1bb570b (unpack-trees: preserve cache_bottom, 2021-07-14), it was
identified that sparse directories posed a problem to the above
'cache_bottom' advancement logic - because a sparse directory was both an
index entry that could be "used" and a directory that can be unpacked, the
'cache_bottom' would be incremented too many times. To solve this problem,
the 'mark_ce_used()' advancement of 'cache_bottom' was skipped for sparse
directories.
INCORRECT CACHE_BOTTOM TRACKING
-------------------------------
Skipping the 'cache_bottom' advancement for sparse directories in
'mark_ce_used()' breaks down in two cases:
1. When the 'unpack_trees()' operation is *not* a "cache diff" (because the
directory contents-based incrementing of 'cache_bottom' does not happen).
2. When a cache diff is performed with a pathspec (because
'unpack_index_entry()' will unpack a sparse directory not matched by the
pathspec without performing the directory contents-based increment).
The former luckily does not appear to affect 'git' behavior, likely because
'cache_bottom' is largely unused (non-"cache diff" 'unpack_trees()' uses
'find_index_entry()' - rather than 'next_cache_entry()' - to find the index
entries to unpack).
The latter, however, causes 'cache_bottom' to "lag behind" its intended
position by an amount equal to the number of sparse directories unpacked so
far with 'unpack_index_entry()'. If a repository is structured such that any
sparse directories are ordered lexicographically *after* any
pathspec-matching directories, though, this issue won't present any adverse
behavior.
This was the case with the 't1092-sparse-checkout-compatibility.sh' tests
before the addition of the 'before/' sparse directory (ordered *before* the
in-cone 'deep/' directory), therefore sidestepping the issue. Once the
'before/' directory was added, though, 'cache_bottom' began to lag behind
its intended position, causing 'next_cache_entry()' to return index entries
it had already processed and, ultimately, an incorrect diff.
CORRECTING CACHE_BOTTOM
-----------------------
The problems observed in 't1092' come from 'cache_bottom' lagging behind in
cases where the cache tree-based advancement doesn't occur. To solve this,
then, the fix in 17a1bb570b is "reversed"; rather than skipping
'cache_bottom' advancement in 'mark_ce_used()', we skip the directory
contents-based advancement for sparse directories. Now, every index entry
can be accounted for in 'cache_bottom':
* if you're working with a single index entry, 'cache_bottom' is incremented
in 'mark_ce_used()'
* if you're working with a directory that contains index entries (but is not
one itself), 'cache_bottom' is incremented by the number of entries in
that directory.
Finally, change the 'test_expect_failure' tests in 't1092' failing due to
this bug back to 'test_expect_success'.
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a sparse directory 'before/' containing files 'a' and 'b' to the test
repo used in 't/t1092-sparse-checkout-compatibility.sh'. This is meant to
ensure that no sparse index integrations rely on the in-cone path(s) being
lexicographically first in the repo.
Unfortunately, some existing tests do not handle this repo architecture
properly:
* 'add outside sparse cone'
* 'status/add: outside sparse cone'
* 'reset with pathspecs inside sparse definition'
All three of these are due to the incorrect handling of the
'unpack_trees_options.cache_bottom' when performing a cache diff via
'unpack_trees'. This will be corrected in a future patch; in the meantime,
mark the tests with 'test_expect_failure'.
Finally, update the 'ls-files' and 'root directory cannot be sparse' tests
to include the 'before/' directory in their expected index contents.
Co-authored-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Derrick Stolee
Ævar Arnfjörð Bjarmason
Victoria Dye
Teng Long
John Cai
Jonathan Tan