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Instead of special-casing creations and deletions let's just generate
a diff for them.
This logic of not running a diff under -G if we don't have both sides
dates back to the original implementation of -S in
52e9578985f ([PATCH] Introducing software archaeologist's tool
"pickaxe"., 2005-05-21).
In the case of -S we were not working with the xdiff interface and
needed to do this, but when -G was implemented in f506b8e8b5f (git
log/diff: add -G<regexp> that greps in the patch text, 2010-08-23)
this logic was diligently copied over.
But as the performance test added earlier in this series shows, this
does not make much of a difference. With:
time GIT_TEST_LONG= GIT_PERF_REPEAT_COUNT=10 GIT_PERF_MAKE_OPTS='-j8 CFLAGS=-O3' ./run origin/next HEAD~ HEAD -- p4209-pickaxe.sh
With the HEAD~ commit being the preceding "pickaxe -G: terminate early
on matching lines" we get these results. Note that it's only the -G
codepaths that are relevant to this change:
Test origin/next HEAD~ HEAD
-----------------------------------------------------------------------------------------------------------------------------------------
4209.1: git log -S'int main' <limit-rev>.. 0.35(0.32+0.03) 0.35(0.33+0.02) +0.0% 0.35(0.30+0.05) +0.0%
4209.2: git log -S'æ' <limit-rev>.. 0.46(0.42+0.04) 0.46(0.41+0.05) +0.0% 0.46(0.42+0.04) +0.0%
4209.3: git log --pickaxe-regex -S'(int|void|null)' <limit-rev>.. 0.65(0.62+0.02) 0.64(0.61+0.02) -1.5% 0.64(0.60+0.04) -1.5%
4209.4: git log --pickaxe-regex -S'if *\([^ ]+ & ' <limit-rev>.. 0.52(0.45+0.06) 0.52(0.50+0.01) +0.0% 0.54(0.47+0.04) +3.8%
4209.5: git log --pickaxe-regex -S'[àáâãäåæñøùúûüýþ]' <limit-rev>.. 0.39(0.34+0.05) 0.39(0.34+0.04) +0.0% 0.39(0.36+0.03) +0.0%
4209.6: git log -G'(int|void|null)' <limit-rev>.. 0.60(0.55+0.04) 0.58(0.54+0.03) -3.3% 0.58(0.49+0.08) -3.3%
4209.7: git log -G'if *\([^ ]+ & ' <limit-rev>.. 0.61(0.52+0.06) 0.59(0.53+0.05) -3.3% 0.59(0.54+0.05) -3.3%
4209.8: git log -G'[àáâãäåæñøùúûüýþ]' <limit-rev>.. 0.61(0.51+0.07) 0.58(0.54+0.04) -4.9% 0.57(0.51+0.06) -6.6%
4209.9: git log -i -S'int main' <limit-rev>.. 0.36(0.31+0.04) 0.36(0.34+0.02) +0.0% 0.35(0.32+0.03) -2.8%
4209.10: git log -i -S'æ' <limit-rev>.. 0.36(0.33+0.03) 0.39(0.34+0.01) +8.3% 0.36(0.32+0.03) +0.0%
4209.11: git log -i --pickaxe-regex -S'(int|void|null)' <limit-rev>.. 0.83(0.77+0.05) 0.82(0.77+0.05) -1.2% 0.80(0.75+0.04) -3.6%
4209.12: git log -i --pickaxe-regex -S'if *\([^ ]+ & ' <limit-rev>.. 0.67(0.61+0.03) 0.64(0.61+0.03) -4.5% 0.63(0.61+0.02) -6.0%
4209.13: git log -i --pickaxe-regex -S'[àáâãäåæñøùúûüýþ]' <limit-rev>.. 0.40(0.37+0.02) 0.40(0.37+0.03) +0.0% 0.40(0.36+0.04) +0.0%
4209.14: git log -i -G'(int|void|null)' <limit-rev>.. 0.58(0.51+0.07) 0.59(0.52+0.06) +1.7% 0.58(0.52+0.05) +0.0%
4209.15: git log -i -G'if *\([^ ]+ & ' <limit-rev>.. 0.60(0.54+0.05) 0.60(0.54+0.06) +0.0% 0.60(0.56+0.03) +0.0%
4209.16: git log -i -G'[àáâãäåæñøùúûüýþ]' <limit-rev>.. 0.58(0.51+0.06) 0.57(0.52+0.05) -1.7% 0.60(0.48+0.09) +3.4%
This small simplification really doesn't buy us much now, but I've got
plans to both convert the pickaxe code to using a PCREv2 backend[1]
and to implement additional pickaxe modes to do custom searches
through the diff[2]. Always having the diff available under -G is
going to help to simplify both of those changes.
1. https://lore.kernel.org/git/20210203032811.14979-22-avarab@gmail.com/
2. https://lore.kernel.org/git/20190424152215.16251-3-avarab@gmail.com/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Solve a long-standing item for "git log -Grx" of us e.g. finding "+
str" in the diff context and noting that we had a "hit", but xdiff
diligently continuing to generate and spew the rest of the diff at
us. This makes use of a new "early return" xdiff interface added by
preceding commits.
The TODO item (or, the NEEDSWORK comment) has been there since "git
log -G" was implemented. See f506b8e8b5f (git log/diff: add -G<regexp>
that greps in the patch text, 2010-08-23).
But now with the support added in the preceding changes to the
xdiff-interface we can return early. Let's assert the behavior of that
new early-return xdiff-interface by having a BUG() call here to die if
it ever starts handing us needless work again.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Finish the change started in the preceding commit and allow an early
return from "xdiff_emit_line_fn" callbacks, this will allows
diffcore-pickaxe.c to save itself redundant work.
Our xdiff interface also had the limitation of not being able to abort
early since the beginning, see d9ea73e0564 (combine-diff: refactor
built-in xdiff interface., 2006-04-05). Although at that time
"xdiff_emit_line_fn" was called "xdiff_emit_consume_fn", and
"xdiff_emit_hunk_fn" didn't exist yet.
There was some work in this area of xdiff-interface.[ch] recently with
3b40a090fd4 (diff: avoid generating unused hunk header lines,
2018-11-02) and 7c61e25fbf1 (diff: use hunk callback for word-diff,
2018-11-02).
In combination those two changes allow us to not do any work on the
hunks and diff at all, but didn't change the status quo with regards
to consumers that e.g. want the diff lines, but might want to abort
early.
Whereas now we can abort e.g. on the first "-line" of a 1000 line diff
if that's all we needed.
This interface is rather scary as noted in the comment to
xdiff-interface.h being added here, as noted there a future change
could add more exit codes, and hack xdl_emit_diff() and friends to
ignore or skip things more selectively as a result.
I did not see an inherent reason for why xdl_emit_{diffrec,record}()
could not be changed to ferry the "xdiff_emit_line_fn" error code
upwards instead of returning -1 on all "ret < 0".
But doing so would require corresponding changes in xdl_emit_diff(),
xdl_diff(). I didn't see any issue with narrowly doing that to
accomplish what I needed here, but it would leave xdiff's own return
values in an inconsistent state.
Instead I've left it at returning a more conventional (for git's own
codebase) 1 for an early return, and translating it (or rather, all
non-zero) to -1 for xdiff's consumption.
The reason for most of the "stop" complexity in xdiff_outf() is
because we want to be able to abort early, but do so in a way that
doesn't skip the appropriate strbuf_reset() invocations.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the function prototype of xdiff_emit_line_fn to return an "int"
instead of "void". Change all of those functions to "return 0",
nothing checks those return values yet, and no behavior is being
changed.
In subsequent commits the interface will be changed to allow early
return via this new return value.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the "log -S<pat>" switch counts occurrences of <pat> on the
pre-image and post-image of a change. As soon as we know we had e.g. 1
before and 2 now we can stop, we don't need to keep counting past 2.
With this change a diff between A and B may have different performance
characteristics than between B and A. That's OK in this case, since
we'll emit the same output, and the effect is to make one of them
better.
I'm picking a check of "one" first on the assumption that it's a more
common case to have files grow over time than not.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rename the {one,two}_contains variables to c{1,2}. This will make a
follow-up change easier to read.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a bug in the matching routine powering -S<rx> --pickaxe-regex so
that we won't abort early on content that has NULs in it.
We've had a hard requirement on REG_STARTEND since 2f8952250a8 (regex:
add regexec_buf() that can work on a non NUL-terminated string,
2016-09-21), but this sanity check dates back to d01d8c67828 (Support
for pickaxe matching regular expressions, 2006-03-29).
It wasn't needed anymore, and as the now-passing test shows, actively
getting in our way. Since we always require REG_STARTEND support we do
not need to stop at NULs. If we are dealing with a haystack with NUL
in it. The needle may be behind that NUL.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Assert early in diffcore_pickaxe() that we've got a needle to work
with under -G and -S.
This code is redundant to the check -G and -S get from
parse-options.c's get_arg(), which I'm adding a test for.
This check dates back to e1b161161d (diffcore-pickaxe: fix infinite
loop on zero-length needle, 2007-01-25) when "git log -S" could send
this code into an infinite loop.
It was then later refactored in 8fa4b09fb1 (pickaxe: hoist empty
needle check, 2012-10-28) into its current form, but it seemingly
wasn't noticed that in the meantime a move to the parse-options.c API
in dea007fb4c (diff: parse separate options like -S foo, 2010-08-05)
had made it redundant.
Let's retain some of the paranoia here with a BUG(), but there's no
need to be checking this in the pickaxe_match() inner loop.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's hard to read this codepath at a glance and reason about exactly
what combination of -G and -S will compile either regexes or kwset,
and whether we'll then dispatch to "diff_grep" or "has_changes".
Then in the "--find-object" case we aren't using the callback
function, but were previously passing down "has_changes".
Refactor this code to exhaustively check "opts", it's now more obvious
what callback function (or none) we want under what mode.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a test for the -G and -S pickaxe options and related options.
This test supports being run with GIT_TEST_LONG=1 to adjust the limit
on the number of commits from 1k to 10k. The 1k limit seems to hit a
good spot on git.git
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Refactor contains() to do its assignments at the same time that it
does its declarations.
This code could have been refactored in ef90ab66e8e (pickaxe: use
textconv for -S counting, 2012-10-28) when a function call between the
declarations and assignments was removed.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move the pickaxe and pickaxe_opts fields next to each other again. In
a past life they'd been on adjacent lines, but when they got moved
from a global variable to the diff_options struct in 6b5ee137e5 (Diff
clean-up., 2005-09-21) they got split apart.
That split made sense at the time, the "char*" and "int" (flags)
options were being grouped, but we've long since abandoned that
pattern in the diff_options struct, and now it makes more sense to
group these together again.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Neither the --pickaxe-all documentation nor --find-object's has ever
suggested that you can combine the two. See f506b8e8b5 (git log/diff:
add -G<regexp> that greps in the patch text, 2010-08-23) and
15af58c1ad (diffcore: add a pickaxe option to find a specific blob,
2018-01-04).
But we've silently tolerated it, which makes the logic in
diffcore_pickaxe() harder to reason about. Let's assert that we won't
have the two combined.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the -G and --pickaxe-regex options are combined we simply ignore
the --pickaxe-regex option. Let's die instead as suggested by our
documentation, since -G is always a regex.
When --pickaxe-regex was added in d01d8c6782 (Support for pickaxe
matching regular expressions, 2006-03-29) only the -S option
existed. Then when -G was added in f506b8e8b5 (git log/diff: add
-G<regexp> that greps in the patch text, 2010-08-23) neither the
documentation for --pickaxe-regex was updated accordingly, nor was
something like this assertion added.
Since 5bc3f0b567 (diffcore-pickaxe doc: document -S and -G properly,
2013-05-31) we've claimed that --pickaxe-regex should only be used
with -S, but have silently tolerated combining it with -G, let's die
instead.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a missing test for --no-pickaxe-regex. This has been an error ever
since before the -S or -G options were added, or since
7ae0b0cb65f (git-log (internal): more options., 2006-03-01).
The reason for adding this test is that Junio suggested in [1] in
response to a later test addition in this series that it might be good
to support --no-pickaxe-regex in combination with -G. This would allow
for fixed-string searching with -G, similr to grep's --fixed-strings
mode.
I agree that that would make sense if anyone would like to implement
it, but since it dies right now let's first add this test to assert
the existing long-standing behavior. We can always add support for
--[no-]pickaxe-regex in combination with -G at some later date.
1. http://lore.kernel.org/git/xmqqwnto9pt7.fsf@gitster.g
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a test for the options sanity check added in 5e505257f2 (diff:
properly error out when combining multiple pickaxe options,
2018-01-04).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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No test in our test suite checked for "log -S<pat>" being a fixed
string, as opposed to "log -S<pat> --pickaxe-regex". Let's test for
it.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In diffgrep_consume() we generate a diff, and then advance past the
"+" or "-" at the start of the line for matching. This has been done
ever since the code was added in f506b8e8b5f (git log/diff: add
-G<regexp> that greps in the patch text, 2010-08-23).
If we match "line" instead of "line + 1" no tests fail, i.e. we've got
zero coverage for whether any of our searches match the beginning of
the line or not. Let's add a test for this.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Refactor the existing tests added in e0e7cb8080c (log -G: ignore
binary files, 2018-12-14) to use the --append option I added in
3373518cc8b (test-lib functions: add an --append option to
test_commit, 2021-01-12) and the --printf option added as part of an
in-flight topic of mine this commit depends on.
While I'm at it change some of the setup of the test to use a more
sensible pattern, e.g. setting up a temporary repo instead of creating
an orphan branch.
Since the -G and -S options will behave the same way with truncated
and removed content also change the "git rm" to emptying data.bin,
that's just catering to how test_commit works. The resulting test is
shorter.
See also f5d79bf7dd6 (tests: refactor a few tests to use "test_commit
--append", 2021-01-12) for prior similar refactoring.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The kwset optimization has not been used by grep since
48de2a768cf (grep: remove the kwset optimization, 2019-07-01).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove various redundant or obsolete code from the test_create_repo()
function, and split up its use in test-lib.sh from what tests need
from it.
This leave us with a pass-through wrapper for "git init" in
test-lib-functions.sh, in test-lib.sh we have the same, except for
needing to redirect stdout/stderr, and emitting an error ourselves if
it fails. We don't need to error() ourselves when test_create_repo()
is invoked, as the invocation will be a part of a test's "&&"-chain.
Everything below this paragraph is a detailed summary of the history
of test_create_repo() explaining why it's safe to remove the various
things it was doing:
1. "mkdir -p" isn't needed because "git init" itself will create
leading directories if needed.
2. Since we're now a simple wrapper for "git init" we don't need to
check that we have only one argument. If someone wants to run
"test_create_repo --bare x" that's OK.
3. We won't ever hit that "Cannot setup test environment"
error.
Checking the test environment sanity when doing "git init" dates
back to eea420693be (t0000: catch trivial pilot errors.,
2005-12-10) and 2ccd2027b01 (trivial: check, if t/trash directory
was successfully created, 2006-01-05).
We can also see it in another form a bit later in my own
0d314ce834d (test-lib: use subshell instead of cd $new && .. && cd
$old, 2010-08-30).
But since 2006f0adaee (t/test-lib: make sure Git has already been
built, 2012-09-17) we already check if we have a built git
earlier.
The one thing this was testing after that 2012 change was that
we'd just built "git", but not "git-init", but since
3af4c7156c4 (tests: respect GIT_TEST_INSTALLED when initializing
repositories, 2018-11-12) we invoke "git", not "git-init".
So all of that's been checked already, and we don't need to
re-check it here.
4. We don't need to move .git/hooks out of the way.
That dates back to c09a69a83e3 (Disable hooks during tests.,
2005-10-16), since then hooks became disabled by default in
f98f8cbac01 (Ship sample hooks with .sample suffix, 2008-06-24).
So the hooks were already disabled by default, but as can be seen
from "mkdir .git/hooks" changes various tests needed to re-setup
that directory. Now they no longer do.
This makes us implicitly depend on the default hooks being
disabled, which is a good thing. If and when we'd have any
on-by-default hooks (I see no reason we ever would) we'd want to
see the subtle and not so subtle ways that would break the test
suite.
5. We don't need to "cd" to the "$repo" directory at all anymore.
In the code being removed here we both "cd"'d to the repository
before calling "init", and did so in a subshell.
It's not important to do either, so both of those can be
removed. We cd'd because this code grew from test-lib.sh code
where we'd have done so already, see eedf8f97e58 (Abstract
test_create_repo out for use in tests., 2006-02-17), and later
"cd"'d inside a subshell since 0d314ce834d to avoid having to keep
track of an "old pwd" variable to cd back after the setup.
Being in the repository directory made moving the hooks around
easier (we wouldn't have to fully qualify the path). Since we're
not moving the hooks per #4 above we don't need to "cd" for that
reason either.
6. We can drop the --template argument and instead rely on the
GIT_TEMPLATE_DIR set to the same path earlier in test-lib.sh. See
8683a45d669 (Introduce GIT_TEMPLATE_DIR, 2006-12-19)
7. We only needed that ">&3 2>&4" redirection when invoked from
test-lib.sh.
We could still invoke test_create_repo() there, but as the
invocation is now trivial and we don't have a good reason to use
test_create_repo() elsewhere let's call "git init" there
ourselves.
8. We didn't need to resolve "git" as
"${GIT_TEST_INSTALLED:-$GIT_EXEC_PATH}/git$X" in test_create_repo(),
even for the use of test-lib.sh
PATH is already set up in test-lib.sh to start with
GIT_TEST_INSTALLED and/or GIT_EXEC_PATH before
test_create_repo() (now "git init") is called.. So we can simply
run "git" and rely on the PATH lookup choosing the right
executable.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Arrange for the advice about naming the initial branch not to be shown
in the --verbose output of the test suite.
Since 675704c74dd (init: provide useful advice about
init.defaultBranch, 2020-12-11) some tests have been very chatty with
repeated occurrences of this multi-line advice. Having it be this
verbose isn't helpful for anyone in the context of git's own test
suite, and it makes debugging tests that use their own "git init"
invocations needlessly distracting.
By setting the GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME variable early in
test-lib.sh itself we'll squash the warning not only for
test_create_repo(), as 675704c74dd explicitly intended, but also for
other "git init" invocations.
And once we'd like to have this configuration set for all "git init"
invocations in the test suite we can get rid of the init.defaultBranch
configuration setting in test_create_repo(), as
repo_default_branch_name() in refs.c will take the GIT_TEST_* variable
over it being set.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reformat an argument list changed in 675704c74dd (init: provide useful
advice about init.defaultBranch, 2020-12-11) to have the "-c" on the
same line as the argument it sets. This whitespace-only change makes
it easier to review a subsequent commit.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change a use of $GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME added in
704fed9ea22 (tests: start moving to a different default main branch
name, 2020-10-23) to simply discover the initial branch name of a
repository set up in this function with "symbolic-ref --short".
That's something done in another test in 704fed9ea22, so doing it like
this seems like an omission, or rather an overly eager
search/replacement instead of fixing the test logic.
There are only three uses of the GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
variable in the test suite, this gets rid of one of those.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a --printf option to test_commit to allow writing to the file with
"printf" instead of "echo".
This is useful for writing "\n", "\0" etc., in particular in
combination with the --append option added in 3373518cc8 (test-lib
functions: add an --append option to test_commit, 2021-01-12).
I'm converting a few tests to use the new option rather than a manual
printf/add/commit combination to demonstrate its usefulness. While I'm
at it use "test_create_repo" where appropriate, and give the
first/second commit a meaningful/more conventional log message in
cases where no test cared about that message.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert the setup of the describe tests to use test_commit when
possible. This makes use of the new --annotate option to test_commit.
Some of the setup here could simply be removed since the data being
created wasn't important to any of the subsequent tests, so I've done
so. E.g. assigning to the "one" variable was always useless, and just
checking that we can describe HEAD after the first commit wasn't
useful.
In the case of the "two" variable we could instead use the tag we just
created. See 5312ab11fbf (Add describe test., 2007-01-13) for the
initial version of this code. There's other cases here like redundant
"test_tick" invocations, or the simplification of not echoing "X" to a
file we're about to tag as "x", now we just use "x" in both cases.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add an --annotated option to test_commit to create annotated tags. The
tag will share the same message as the commit, and we'll call
test_tick before creating it (unless --notick) is provided.
There's quite a few tests that could be simplified with this
construct. I've picked one to convert in this change as a
demonstration.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 76b8b8d05c (test-lib functions: document arguments to test_commit,
2021-01-12) I added missing documentation to test_commit, but in less
than a month later in 3803a3a099 (t: add --no-tag option to
test_commit, 2021-02-09) we got another undocumented option. Let's fix
that.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reword the documentation for "test_commit --append" added in my
3373518cc8 (test-lib functions: add an --append option to test_commit,
2021-01-12).
A follow-up commit will make the "echo" part of this configurable, and
in any case saying "echo >>" rather than ">>" was redundant.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Stop setting the GIT_TEST_FRAMEWORK_SELFTEST variable. This was originally needed
back in 4231d1ba99 (t0000: do not get self-test disrupted by
environment warnings, 2018-09-20).
It hasn't been needed since I deleted the relevant code in test-lib.sh
in c0eedbc009 (test-lib: remove check_var_migration, 2021-02-09), I
just didn't notice that it was set here.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There's no point in creating a repository or directory only to decide
right afterwards that we're skipping all the tests. We can save
ourselves the redundant "git init" or "mkdir" and "rm -rf" in this
case.
We carry around the "$remove_trash" variable because if the directory
is unexpectedly gone at test_done time we'll still want to hit the
"trash directory already removed" error, but not if we never created
the trash directory. See df4c0d1a792 (test-lib: abort when can't
remove trash directory, 2017-04-20) for the addition of that error.
So let's partially revert 06478dab4c (test-lib: retire $remove_trash
variable, 2017-04-23) and move the decision about whether to skip all
tests earlier.
Let's also fix a bug that was with us since abc5d372ec (Enable
parallel tests, 2008-08-08): we would leak $remove_trash from the
environment. We don't want this to error out, so let's reset it to the
empty string first:
remove_trash=t GIT_SKIP_TESTS=t0001 ./t0001-init.sh
I tested this with --debug, see 4d0912a206 (test-lib.sh: do not barf
under --debug at the end of the test, 2017-04-24) for a bug we don't
want to re-introduce.
While I'm at it, let's move the HOME assignment to just before
test_create_repo, it could be lower, but it seems better to set it
before calling anything in test-lib-functions.sh
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@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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Generate [ec]tags under $(QUIET_GEN).
* ab/make-tags-quiet:
Makefile: add QUIET_GEN to "tags" and "TAGS" targets
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"git daemon" has been tightened against systems that take backslash
as directory separator.
* rs/daemon-sanitize-dir-sep:
daemon: sanitize all directory separators
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The ort merge backend has been optimized by skipping irrelevant
renames.
* en/ort-perf-batch-9:
diffcore-rename: avoid doing basename comparisons for irrelevant sources
merge-ort: skip rename detection entirely if possible
merge-ort: use relevant_sources to filter possible rename sources
merge-ort: precompute whether directory rename detection is needed
merge-ort: introduce wrappers for alternate tree traversal
merge-ort: add data structures for an alternate tree traversal
merge-ort: precompute subset of sources for which we need rename detection
diffcore-rename: enable filtering possible rename sources
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"git cherry-pick/revert" with or without "--[no-]edit" did not spawn
the editor as expected (e.g. "revert --no-edit" after a conflict
still asked to edit the message), which has been corrected.
* en/sequencer-edit-upon-conflict-fix:
sequencer: fix edit handling for cherry-pick and revert messages
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"git clone --reject-shallow" option fails the clone as soon as we
notice that we are cloning from a shallow repository.
* ll/clone-reject-shallow:
builtin/clone.c: add --reject-shallow option
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An on-disk reverse-index to map the in-pack location of an object
back to its object name across multiple packfiles is introduced.
* tb/reverse-midx:
midx.c: improve cache locality in midx_pack_order_cmp()
pack-revindex: write multi-pack reverse indexes
pack-write.c: extract 'write_rev_file_order'
pack-revindex: read multi-pack reverse indexes
Documentation/technical: describe multi-pack reverse indexes
midx: make some functions non-static
midx: keep track of the checksum
midx: don't free midx_name early
midx: allow marking a pack as preferred
t/helper/test-read-midx.c: add '--show-objects'
builtin/multi-pack-index.c: display usage on unrecognized command
builtin/multi-pack-index.c: don't enter bogus cmd_mode
builtin/multi-pack-index.c: split sub-commands
builtin/multi-pack-index.c: define common usage with a macro
builtin/multi-pack-index.c: don't handle 'progress' separately
builtin/multi-pack-index.c: inline 'flags' with options
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fsck API clean-up.
* ab/fsck-api-cleanup:
fetch-pack: use new fsck API to printing dangling submodules
fetch-pack: use file-scope static struct for fsck_options
fetch-pack: don't needlessly copy fsck_options
fsck.c: move gitmodules_{found,done} into fsck_options
fsck.c: add an fsck_set_msg_type() API that takes enums
fsck.c: pass along the fsck_msg_id in the fsck_error callback
fsck.[ch]: move FOREACH_FSCK_MSG_ID & fsck_msg_id from *.c to *.h
fsck.c: give "FOREACH_MSG_ID" a more specific name
fsck.c: undefine temporary STR macro after use
fsck.c: call parse_msg_type() early in fsck_set_msg_type()
fsck.h: re-order and re-assign "enum fsck_msg_type"
fsck.h: move FSCK_{FATAL,INFO,ERROR,WARN,IGNORE} into an enum
fsck.c: refactor fsck_msg_type() to limit scope of "int msg_type"
fsck.c: rename remaining fsck_msg_id "id" to "msg_id"
fsck.c: remove (mostly) redundant append_msg_id() function
fsck.c: rename variables in fsck_set_msg_type() for less confusion
fsck.h: use "enum object_type" instead of "int"
fsck.h: use designed initializers for FSCK_OPTIONS_{DEFAULT,STRICT}
fsck.c: refactor and rename common config callback
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A few option description strings started with capital letters,
which were corrected.
* cc/downcase-opt-help:
column, range-diff: downcase option description
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SECURITY.md that is facing individual contributors and end users
has been introduced. Also a procedure to follow when preparing
embargoed releases has been spelled out.
* js/security-md:
Document how we do embargoed releases
SECURITY: describe how to report vulnerabilities
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Optimize "rev-list --use-bitmap-index --objects" corner case that
uses negative tags as the stopping points.
* ps/pack-bitmap-optim:
pack-bitmap: avoid traversal of objects referenced by uninteresting tag
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"git commit" learned "--trailer <key>[=<value>]" option; together
with the interpret-trailers command, this will make it easier to
support custom trailers.
* zh/commit-trailer:
commit: add --trailer option
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CMake update for vsbuild.
* js/cmake-vsbuild:
cmake(install): include vcpkg dlls
cmake: add a preparatory work-around to accommodate `vcpkg`
cmake(install): fix double .exe suffixes
cmake: support SKIP_DASHED_BUILT_INS
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The hashwrite() API uses a buffering mechanism to avoid calling
write(2) too frequently. This logic has been refactored to be
easier to understand.
* ds/clarify-hashwrite:
csum-file: make hashwrite() more readable
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Plug or annotate remaining leaks that trigger while running the
very basic set of tests.
* ah/plugleaks:
transport: also free remote_refs in transport_disconnect()
parse-options: don't leak alias help messages
parse-options: convert bitfield values to use binary shift
init-db: silence template_dir leak when converting to absolute path
init: remove git_init_db_config() while fixing leaks
worktree: fix leak in dwim_branch()
clone: free or UNLEAK further pointers when finished
reset: free instead of leaking unneeded ref
symbolic-ref: don't leak shortened refname in check_symref()
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git format-patch -v<n>" learned to allow a reroll count that is
not an integer.
* zh/format-patch-fractional-reroll-count:
format-patch: allow a non-integral version numbers
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A simple IPC interface gets introduced to build services like
fsmonitor on top.
* jh/simple-ipc:
t0052: add simple-ipc tests and t/helper/test-simple-ipc tool
simple-ipc: add Unix domain socket implementation
unix-stream-server: create unix domain socket under lock
unix-socket: disallow chdir() when creating unix domain sockets
unix-socket: add backlog size option to unix_stream_listen()
unix-socket: eliminate static unix_stream_socket() helper function
simple-ipc: add win32 implementation
simple-ipc: design documentation for new IPC mechanism
pkt-line: add options argument to read_packetized_to_strbuf()
pkt-line: add PACKET_READ_GENTLE_ON_READ_ERROR option
pkt-line: do not issue flush packets in write_packetized_*()
pkt-line: eliminate the need for static buffer in packet_write_gently()
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Ævar Arnfjörð Bjarmason
Junio C Hamano