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A diff-filter with negative-only specification like "git log
--diff-filter=d" did not trigger correctly, which has been fixed.
* jk/all-negative-diff-filter-fix:
setup_revisions(): turn on diffs for all-negative diff filter
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When the user gives us a diff filter like --diff-filter=D, we need to do
a tree diff even if we're not planning to show the diff result itself,
in order to decide whether to show the commit at all. So there's an
explicit check of revs->diffopt.filter in setup_revisions(), and we set
revs->diff if any bits are set.
Originally that "filter" field covered both positive capital-letter
filters (like "D") and also negative lowercase filters (like "d"), so it
was sufficient for both cases. But later, 75408ca949 (diff-filter: be
more careful when looking for negative bits, 2022-01-28) split the
negative bits out into a "filter_not" field.
We eventually fold those into "filter", but not until diff_setup_done()
is called, which happens after our explicit check. As a result, a purely
negative filter like:
git log --diff-filter=d
failed to turn on diffs at all. But rather than fail to filter by diff,
because the filter variable is eventually set, we mistakenly show no
commits at all, thinking that the empty diffs were cases where nothing
passed through the filter.
The smallest fix here is to just have our check look for any bits in
either "filter" or "filter_not". I suspect it would also be OK to
reorder the function a bit to call diff_setup_done() earlier, but that
risks violating some other subtle ordering dependency. So I went with
the simple and safe solution here.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git whatchanged" that is longer to type than "git log --raw"
which is its modern rough equivalent has outlived its usefulness
more than 10 years ago. Plan to deprecate and remove it.
* jc/you-still-use-whatchanged:
whatschanged: list it in BreakingChanges document
whatchanged: remove when built with WITH_BREAKING_CHANGES
whatchanged: require --i-still-use-this
tests: prepare for a world without whatchanged
doc: prepare for a world without whatchanged
you-still-use-that??: help deprecating commands for removal
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As we made "git whatchanged" require "--i-still-use-this" and asked
the users to report if they still want to use it, the logical next
step is to allow us build Git without "whatchanged" to prepare for
its eventual removal.
If we were to follow the pattern established in 8ccc75c2 (remote:
announce removal of "branches/" and "remotes/", 2025-01-22), we can
do this together with the documentation update to officially list
that the command will be removed in the BreakingChanges document,
but let's just keep the changes separate just in case we want to
proceed a bit slower.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The documentation of "git whatchanged" is pretty explicit that the
command was retained for historical reasons to help those whose fingers
cannot be retrained. Let's see if they still are finding it hard to
type "git log --raw" instead of "git whatchanged" by marking the
command as "nominated for removal", and require "--i-still-use-this"
on the command line. Adjust the tests so that the option is passed
when we invoke the command. In addition, we test that the command
fails when "--i-still-use-this" is not given.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that the default value for TEST_PASSES_SANITIZE_LEAK is `true` there
is no longer a need to have that variable declared in all of our tests.
Drop it.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The signature check in the formatting context is never getting released.
Fix this to plug the resulting memory leak.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `OPT__ABBREV()` option allows the user to specify the length that
object hashes shall be abbreviated to. This length needs to be in the
range of `(MIN_ABBREV, the_hash_algo->hexsz)`, which is why we clamp the
value as required. While this makes sense in the case of `MIN_ABBREV`,
it is unnecessary for the upper boundary as the value is eventually
passed down to `repo_find_unnique_abbrev_r()`, which handles values
larger than the current hash length just fine.
In the preceding commit, we have changed parsing of the "core.abbrev"
config to stop clamping to the upper boundary. Let's do the same here so
that the code becomes simpler, we are consistent with how we treat the
"core.abbrev" config and so that we stop depending on `the_repository`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "core.abbrev" config allows the user to specify the minimum length
when abbreviating object hashes. Next to the values "auto" and "no",
this config also accepts a concrete length that needs to be bigger or
equal to the minimum length and smaller or equal to the hash algorithm's
hex length. While the former condition is trivial, the latter depends on
the object format used by the current repository. It is thus a variable
upper boundary that may either be 40 (SHA-1) or 64 (SHA-256).
This has two major downsides. First, the user that specifies this config
must be aware of the object hashes that its repository use. If they want
to configure the value globally, then they cannot pick any value in the
range `[41, 64]` if they have any repository that uses SHA-1. If they
did, Git would error out when parsing the config.
Second, and more importantly, parsing "core.abbrev" crashes when outside
of a Git repository because we dereference `the_hash_algo` to figure out
its hex length. Starting with c8aed5e8da (repository: stop setting SHA1
as the default object hash, 2024-05-07) though, we stopped initializing
`the_hash_algo` outside of Git repositories.
Fix both of these issues by not making it an error anymore when the
given length exceeds the hash length. Instead, leave the abbreviated
length intact. `repo_find_unique_abbrev_r()` handles this just fine
except for a performance penalty which we will fix in a subsequent
commit.
Reported-by: Kyle Lippincott <spectral@google.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The GPGSSH_GOOD_SIGNATURE_TRUSTED variable was spelled as
GOOD_SIGNATURE_TRUSTED and so the grep was used the null RE that
matches everything.
Signed-off-by: Marcel Telka <marcel@telka.sk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move two tests into t0600 since they write loose reflog refs manually
and thus are specific to the reffiles backend.
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update ref-related tests.
* ps/ref-tests-update:
t: mark several tests that assume the files backend with REFFILES
t7900: assert the absence of refs via git-for-each-ref(1)
t7300: assert exact states of repo
t4207: delete replace references via git-update-ref(1)
t1450: convert tests to remove worktrees via git-worktree(1)
t: convert tests to not access reflog via the filesystem
t: convert tests to not access symrefs via the filesystem
t: convert tests to not write references via the filesystem
t: allow skipping expected object ID in `ref-store update-ref`
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Some of our tests access symbolic references via the filesystem
directly. While this works with the current files reference backend, it
this will break once we have a second reference backend in our codebase.
Refactor these tests to instead use git-symbolic-ref(1) or our
`ref-store` test tool. The latter is required in some cases where safety
checks of git-symbolic-ref(1) would otherwise reject writing a symbolic
reference.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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They are equivalents and the former still exists, so as long as the
only change this commit makes are to rewrite test_i18ngrep to
test_grep, there won't be any new bug, even if there still are
callers of test_i18ngrep remaining in the tree, or when merged to
other topics that add new uses of test_i18ngrep.
This patch was produced more or less with
git grep -l -e 'test_i18ngrep ' 't/t[0-9][0-9][0-9][0-9]-*.sh' |
xargs perl -p -i -e 's/test_i18ngrep /test_grep /'
and a good way to sanity check the result yourself is to run the
above in a checkout of c4603c1c (test framework: further deprecate
test_i18ngrep, 2023-10-31) and compare the resulting working tree
contents with the result of applying this patch to the same commit.
You'll see that test_i18ngrep in a few t/lib-*.sh files corrected,
in addition to the manual reproduction.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git [-c log.follow=true] log [--follow] ':(glob)f**'" used to barf.
* jk/log-follow-with-non-literal-pathspec:
diff: detect pathspec magic not supported by --follow
diff: factor out --follow pathspec check
pathspec: factor out magic-to-name function
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The --follow code doesn't handle most forms of pathspec magic. We check
that no unexpected ones have made it to try_to_follow_renames() with a
runtime GUARD_PATHSPEC() check, which gives behavior like this:
$ git log --follow ':(icase)makefile' >/dev/null
BUG: tree-diff.c:596: unsupported magic 10
Aborted
The same is true of ":(glob)", ":(attr)", and so on. It's good that we
notice the problem rather than continuing and producing a wrong answer.
But there are two non-ideal things:
1. The idea of GUARD_PATHSPEC() is to catch programming errors where
low-level code gets unexpected pathspecs. We'd usually try to catch
unsupported pathspecs by passing a magic_mask to parse_pathspec(),
which would give the user a much better message like:
pathspec magic not supported by this command: 'icase'
That doesn't happen here because git-log usually _does_ support
all types of pathspec magic, and so it passes "0" for the mask
(this call actually happens in setup_revisions()). It needs to
distinguish the normal case from the "--follow" one but currently
doesn't.
2. In addition to --follow, we have the log.follow config option. When
that is set, we try to turn on --follow mode only when there is a
single pathspec (since --follow doesn't handle anything else). But
really, that ought to be expanded to "use --follow when the
pathspec supports it". Otherwise, we'd complain any time you use an
exotic pathspec:
$ git config log.follow true
$ git log ':(icase)makefile' >/dev/null
BUG: tree-diff.c:596: unsupported magic 10
Aborted
We should instead just avoid enabling follow mode if it's not
supported by this particular invocation.
This patch expands our diff_check_follow_pathspec() function to cover
pathspec magic, solving both problems.
A few final notes:
- we could also solve (1) by passing the appropriate mask to
parse_pathspec(). But that's not great for two reasons. One is that
the error message is less precise. It says "magic not supported by
this command", but really it is not the command, but rather the
--follow option which is the problem. The second is that it always
calls die(). But for our log.follow code, we want to speculatively
ask "is this pathspec OK?" and just get a boolean result.
- This is obviously the right thing to do for ':(icase)' and most
other magic options. But ':(glob)' is a bit odd here. The --follow
code doesn't support wildcards, but we allow them anyway. From
try_to_follow_renames():
#if 0
/*
* We should reject wildcards as well. Unfortunately we
* haven't got a reliable way to detect that 'foo\*bar' in
* fact has no wildcards. nowildcard_len is merely a hint for
* optimization. Let it slip for now until wildmatch is taught
* about dry-run mode and returns wildcard info.
*/
if (opt->pathspec.has_wildcard)
BUG("wildcards are not supported");
#endif
So something like "git log --follow 'Make*'" is already doing the
wrong thing, since ":(glob)" behavior is already the default (it is
used only to countermand an earlier --noglob-pathspecs).
So we _could_ loosen the guard to allow :(glob), since it just
behaves the same as pathspecs do by default. But it seems like a
backwards step to do so. It already doesn't work (it hits the BUG()
case currently), and given that the user took an explicit step to
say "this pathspec should glob", it is reasonable for us to say "no,
--follow does not support globbing" (or in the case of log.follow,
avoid turning on follow mode). Which is what happens after this
patch.
- The set of allowed pathspec magic is obviously the same as in
GUARD_PATHSPEC(). We could perhaps factor these out to avoid
repetition. The point of having separate masks and GUARD calls is
that we don't necessarily know which parsed pathspecs will be used
where. But in this case, the two are heavily correlated. Still,
there may be some value in keeping them separate; it would make
anyone think twice about adding new magic to the list in
diff_check_follow_pathspec(). They'd need to touch
try_to_follow_renames() as well, which is the code that would
actually need to be updated to handle more exotic pathspecs.
- The documentation for log.follow says that it enables --follow
"...when a single <path> is given". We could possibly expand that to
say "with no unsupported pathspec magic", but that raises the
question of documenting which magic is supported. I think the
existing wording of "single <path>" sufficiently encompasses the
idea (the forbidden magic is stuff that might match multiple
entries), and the spirit remains the same.
Reported-by: Jim Pryor <dubiousjim@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some tests still use the old format with four spaces indentation.
Standardize the tests to the new format with tab indentation.
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix numerous and mostly long-standing segfaults in consumers of
the *_config_*value_multi() API. As discussed in the preceding commit
an empty key in the config syntax yields a "NULL" string, which these
users would give to strcmp() (or similar), resulting in segfaults.
As this change shows, most users users of the *_config_*value_multi()
API didn't really want such an an unsafe and low-level API, let's give
them something with the safety of git_config_get_string() instead.
This fix is similar to what the *_string() functions and others
acquired in[1] and [2]. Namely introducing and using a safer
"*_get_string_multi()" variant of the low-level "_*value_multi()"
function.
This fixes segfaults in code introduced in:
- d811c8e17c6 (versionsort: support reorder prerelease suffixes, 2015-02-26)
- c026557a373 (versioncmp: generalize version sort suffix reordering, 2016-12-08)
- a086f921a72 (submodule: decouple url and submodule interest, 2017-03-17)
- a6be5e6764a (log: add log.excludeDecoration config option, 2020-04-16)
- 92156291ca8 (log: add default decoration filter, 2022-08-05)
- 50a044f1e40 (gc: replace config subprocesses with API calls, 2022-09-27)
There are now two users ofthe low-level API:
- One in "builtin/for-each-repo.c", which we'll convert in a
subsequent commit.
- The "t/helper/test-config.c" code added in [3].
As seen in the preceding commit we need to give the
"t/helper/test-config.c" caller these "NULL" entries.
We could also alter the underlying git_configset_get_value_multi()
function to be "string safe", but doing so would leave no room for
other variants of "*_get_value_multi()" that coerce to other types.
Such coercion can't be built on the string version, since as we've
established "NULL" is a true value in the boolean context, but if we
coerced it to "" for use in a list of strings it'll be subsequently
coerced to "false" as a boolean.
The callback pattern being used here will make it easy to introduce
e.g. a "multi" variant which coerces its values to "bool", "int",
"path" etc.
1. 40ea4ed9032 (Add config_error_nonbool() helper function,
2008-02-11)
2. 6c47d0e8f39 (config.c: guard config parser from value=NULL,
2008-02-11).
3. 4c715ebb96a (test-config: add tests for the config_set API,
2014-07-28)
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As we'll discuss in the subsequent commit these tests all
show *_get_value_multi() API users unable to handle there being a
value-less key in the config, which is represented with a "NULL" for
that entry in the "string" member of the returned "struct
string_list", causing a segfault.
These added tests exhaustively test for that issue, as we'll see in a
subsequent commit we'll need to change all of the API users
of *_get_value_multi(). These cases were discovered by triggering each
one individually, and then adding these tests.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Giving "--invert-grep" and "--all-match" without "--grep" to the
"git log" command resulted in an attempt to access grep pattern
expression structure that has not been allocated, which has been
corrected.
* ab/grep-simplify-extended-expression:
grep.c: remove "extended" in favor of "pattern_expression", fix segfault
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Since 79d3696cfb4 (git-grep: boolean expression on pattern matching.,
2006-06-30) the "pattern_expression" member has been used for complex
queries (AND/OR...), with "pattern_list" being used for the simple OR
queries. Since then we've used both "pattern_expression" and its
associated boolean "extended" member to see if we have a complex
expression.
Since f41fb662f57 (revisions API: have release_revisions() release
"grep_filter", 2022-04-13) we've had a subtle bug relating to that: If
we supplied options that were only used for "complex queries", but
didn't supply the query itself we'd set "opt->extended", but would
have a NULL "pattern_expression". As a result these would segfault as
we tried to call "free_grep_patterns()" from "release_revisions()":
git -P log -1 --invert-grep
git -P log -1 --all-match
The root cause of this is that we were conflating the state management
we needed in "compile_grep_patterns()" itself with whether or not we
had an "opt->pattern_expression" later on.
In this cases as we're going through "compile_grep_patterns()" we have
no "opt->pattern_list" but have "opt->no_body_match" or
"opt->all_match". So we'd set "opt->extended = 1", but not "return" on
"opt->extended" as that's an "else if" in the same "if" statement.
That behavior is intentional and required, as the common case is that
we have an "opt->pattern_list" that we're about to parse into the
"opt->pattern_expression".
But we don't need to keep track of this "extended" flag beyond the
state management in compile_grep_patterns() itself. It needs it, but
once we're out of that function we can rely on
"opt->pattern_expression" being non-NULL instead for using these
extended patterns.
As 79d3696cfb4 itself shows we've assumed that there's a one-to-one
mapping between the two since the very beginning. I.e. "match_line()"
would check "opt->extended" to see if it should call "match_expr()",
and the first thing we do in that function is assume that we have a
"opt->pattern_expression". We'd then call "match_expr_eval()", which
would have died if that "opt->pattern_expression" was NULL.
The "die" was added in c922b01f54c (grep: fix segfault when "git grep
'('" is given, 2009-04-27), and can now be removed as it's now clearly
unreachable. We still do the right thing in the case that prompted
that fix:
git grep '('
fatal: unmatched parenthesis
Arguably neither the "--invert-grep" option added in [1] nor the
earlier "--all-match" option added in [2] were intended to be used
stand-alone, and another approach[3] would be to error out in those
cases. But since we've been treating them as a NOOP when given without
--grep for a long time let's keep doing that.
We could also return in "free_pattern_expr()" if the argument is
non-NULL, as an alternative fix for this segfault does [4]. That would
be more elegant in making the "free_*()" function behave like
"free()", but it would also remove a sanity check: The
"free_pattern_expr()" function calls itself recursively, and only the
top-level is allowed to be NULL, let's not conflate those two
conditions.
1. 22dfa8a23de (log: teach --invert-grep option, 2015-01-12)
2. 0ab7befa31d (grep --all-match, 2006-09-27)
3. https://lore.kernel.org/git/patch-1.1-f4b90799fce-20221010T165711Z-avarab@gmail.com/
4. http://lore.kernel.org/git/7e094882c2a71894416089f894557a9eae07e8f8.1665423686.git.me@ttaylorr.com
Reported-by: orygaw <orygaw@protonmail.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The namespaces used by "log --decorate" from "refs/" hierarchy by
default has been tightened.
* ds/decorate-filter-tweak:
fetch: use ref_namespaces during prefetch
maintenance: stop writing log.excludeDecoration
log: create log.initialDecorationSet=all
log: add --clear-decorations option
log: add default decoration filter
log-tree: use ref_namespaces instead of if/else-if
refs: use ref_namespaces for replace refs base
refs: add array of ref namespaces
t4207: test coloring of grafted decorations
t4207: modernize test
refs: allow "HEAD" as decoration filter
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The previous change introduced the --clear-decorations option for users
who do not want their decorations limited to a narrow set of ref
namespaces.
Add a config option that is equivalent to specifying --clear-decorations
by default.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous changes introduced a new default ref filter for decorations
in the 'git log' command. This can be overridden using
--decorate-refs=HEAD and --decorate-refs=refs/, but that is cumbersome
for users.
Instead, add a --clear-decorations option that resets all previous
filters to a blank filter that accepts all refs.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a user runs 'git log', they expect a certain set of helpful
decorations. This includes:
* The HEAD ref
* Branches (refs/heads/)
* Stashes (refs/stash)
* Tags (refs/tags/)
* Remote branches (refs/remotes/)
* Replace refs (refs/replace/ or $GIT_REPLACE_REF_BASE)
Each of these namespaces was selected due to existing test cases that
verify these namespaces appear in the decorations. In particular,
stashes and replace refs can have custom colors from the
color.decorate.<slot> config option.
While one test checks for a decoration from notes, it only applies to
the tip of refs/notes/commit (or its configured ref name). Notes form
their own kind of decoration instead. Modify the expected output for the
tests in t4013 that expect this note decoration. There are several
tests throughout the codebase that verify that --decorate-refs,
--decorate-refs-exclude, and log.excludeDecoration work as designed and
the tests continue to pass without intervention.
However, there are other refs that are less helpful to show as
decoration:
* Prefetch refs (refs/prefetch/)
* Rebase refs (refs/rebase-merge/ and refs/rebase-apply/)
* Bundle refs (refs/bundle/) [!]
[!] The bundle refs are part of a parallel series that bootstraps a repo
from a bundle file, storing the bundle's refs into the repo's
refs/bundle/ namespace.
In the case of prefetch refs, 96eaffebbf3d0 (maintenance: set
log.excludeDecoration durin prefetch, 2021-01-19) added logic to add
refs/prefetch/ to the log.excludeDecoration config option. Additional
feedback pointed out that having such a side-effect can be confusing and
perhaps not helpful to users. Instead, we should hide these ref
namespaces that are being used by Git for internal reasons but are not
helpful for the users to see.
The way to provide a seamless user experience without setting the config
is to modify the default decoration filters to match our expectation of
what refs the user actually wants to see.
In builtin/log.c, after parsing the --decorate-refs and
--decorate-refs-exclude options from the command-line, call
set_default_decoration_filter(). This method populates the exclusions
from log.excludeDecoration, then checks if the list of pattern
modifications are empty. If none are specified, then the default set is
restricted to the set of inclusions mentioned earlier (HEAD, branches,
etc.). A previous change introduced the ref_namespaces array, which
includes all of these currently-used namespaces. The 'decoration' value
is non-zero when that namespace is associated with a special coloring
and fits into the list of "expected" decorations as described above,
which makes the implementation of this filter very simple.
Note that the logic in ref_filter_match() in log-tree.c follows this
matching pattern:
1. If there are exclusion patterns and the ref matches one, then ignore
the decoration.
2. If there are inclusion patterns and the ref matches one, then
definitely include the decoration.
3. If there are config-based exclusions from log.excludeDecoration and
the ref matches one, then ignore the decoration.
With this logic in mind, we need to ensure that we do not populate our
new defaults if any of these filters are manually set. Specifically, if
a user runs
git -c log.excludeDecoration=HEAD log
then we expect the HEAD decoration to not appear. If we left the default
inclusions in the set, then HEAD would match that inclusion before
reaching the config-based exclusions.
A potential alternative would be to check the list of default inclusions
at the end, after the config-based exclusions. This would still create a
behavior change for some uses of --decorate-refs-exclude=<X>, and could
be overwritten somewhat with --decorate-refs=refs/ and
--decorate-refs=HEAD. However, it no longer becomes possible to include
refs outside of the defaults while also excluding some using
log.excludeDecoration.
Another alternative would be to exclude the known namespaces that are
not intended to be shown. This would reduce the visible effect of the
change for expert users who use their own custom ref namespaces. The
implementation change would be very simple to swap due to our use of
ref_namespaces:
int i;
struct string_list *exclude = decoration_filter->exclude_ref_pattern;
/*
* No command-line or config options were given, so
* populate with sensible defaults.
*/
for (i = 0; i < NAMESPACE__COUNT; i++) {
if (ref_namespaces[i].decoration)
continue;
string_list_append(exclude, ref_namespaces[i].ref);
}
The main downside of this approach is that we expect to add new hidden
namespaces in the future, and that means that Git versions will be less
stable in how they behave as those namespaces are added.
It is critical that we provide ways for expert users to disable this
behavior change via command-line options and config keys. These changes
will be implemented in a future change.
Add a test that checks that the defaults are not added when
--decorate-refs is specified. We verify this by showing that HEAD is not
included as it normally would. Also add a test that shows that the
default filter avoids the unwanted decorations from refs/prefetch,
refs/rebase-merge,
and refs/bundle.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The normalize_glob_ref() method was introduced in 65516f586b693 (log:
add option to choose which refs to decorate, 2017-11-21) to help with
decoration filters such as --decorate-refs=<filter> and
--decorate-refs-exclude=<filter>. The method has not been used anywhere
else.
At the moment, it is impossible to specify HEAD as a decoration filter
since normalize_glob_ref() prepends "refs/" to the filter if it isn't
already there.
Allow adding HEAD as a decoration filter by allowing the exact string
"HEAD" to not be prepended with "refs/". Add a test in t4202-log.sh that
would previously fail since the HEAD decoration would exist in the
output.
It is sufficient to only cover "HEAD" here and not include other special
refs like REBASE_HEAD. This is because HEAD is the only ref outside of
refs/* that is added to the list of decorations. However, we may want to
special-case these other refs in normalize_glob_ref() in the future.
Leave a NEEDSWORK comment for now.
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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You can feed absolute garbage to symbolic-ref as a target like:
git symbolic-ref HEAD refs/heads/foo..bar
While this doesn't technically break the repo entirely (our "is it a git
directory" detector looks only for "refs/" at the start), we would never
resolve such a ref, as the ".." is invalid within a refname.
Let's flag these as invalid at creation time to help the caller realize
that what they're asking for is bogus.
A few notes:
- We use REFNAME_ALLOW_ONELEVEL here, which lets:
git update-ref refs/heads/foo FETCH_HEAD
continue to work. It's unclear whether anybody wants to do something
so odd, but it does work now, so this is erring on the conservative
side. There's a test to make sure we didn't accidentally break this,
but don't take that test as an endorsement that it's a good idea, or
something we might not change in the future.
- The test in t4202-log.sh checks how we handle such an invalid ref on
the reading side, so it has to be updated to touch the HEAD file
directly.
- We need to keep our HEAD-specific check for "does it start with
refs/". The ALLOW_ONELEVEL flag means we won't be enforcing that for
other refs, but HEAD is special here because of the checks in
validate_headref().
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Skip a test added in f1e3df31699 (t: increase test coverage of
signature verification output, 2020-03-04) when running under
valgrind. Due to valgrind's interception of mkstemp() this test will
fail with:
+ pwd
+ TMPDIR=[...]/t/trash directory.t4202-log/bogus git log --show-signature -n1 plain-fail
==7696== VG_(mkstemp): failed to create temp file: [...]/t/trash directory.t4202-log/bogus/valgrind_proc_7696_cmdline_d545ddcf
[... 10 more similar lines omitted ..]
valgrind: Startup or configuration error:
valgrind: Can't create client cmdline file in [...]/t/trash directory.t4202-log/bogus/valgrind_proc_7696_cmdline_6e542d1d
valgrind: Unable to start up properly. Giving up.
error: last command exited with $?=1
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test fix-up for a topic already in master.
* ab/grep-patterntype:
log tests: fix "abort tests early" regression in ff37a60c369
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Newer version of GPGSM changed its output in a backward
incompatible way to break our code that parses its output. It also
added more processes our tests need to kill when cleaning up.
Adjustments have been made to accommodate these changes.
* fs/gpgsm-update:
t/lib-gpg: kill all gpg components, not just gpg-agent
t/lib-gpg: reload gpg components after updating trustlist
gpg-interface/gpgsm: fix for v2.3
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Checking if signing was successful will now accept '[GNUPG]:
SIG_CREATED' on the beginning of the first or any subsequent line. Not
just explictly the second one anymore.
Gpgsm v2.3 changed its output when listing keys from `fingerprint` to
`sha1/2 fpr`. This leads to the gpgsm tests silently not being executed
because of a failed prerequisite.
Switch to gpg's `--with-colons` output format when evaluating test
prerequisites to make parsing more robust. This also allows us to
combine the existing grep/cut/tr/echo pipe for writing the trustlist.txt
into a single awk expression.
Adjust error message checking in test for v2.3 specific output changes.
Helped-By: Junio C Hamano <gitster@pobox.com>
Helped-By: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a regression in ff37a60c369 (log tests: check if grep_config() is
called by "log"-like cmds, 2022-02-16), a "test_done" command used
during development made it into a submitted patch causing tests 41-136
in t/t4202-log.sh to be skipped.
Reported-by: Fabian Stelzer <fs@gigacodes.de>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some code clean-up in the "git grep" machinery.
* ab/grep-patterntype:
grep: simplify config parsing and option parsing
grep.c: do "if (bool && memchr())" not "if (memchr() && bool)"
grep.h: make "grep_opt.pattern_type_option" use its enum
grep API: call grep_config() after grep_init()
grep.c: don't pass along NULL callback value
built-ins: trust the "prefix" from run_builtin()
grep tests: add missing "grep.patternType" config tests
grep tests: create a helper function for "BRE" or "ERE"
log tests: check if grep_config() is called by "log"-like cmds
grep.h: remove unused "regex_t regexp" from grep_opt
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"git log --graph --graph" used to leak a graph structure, and there
was no way to countermand "--graph" that appear earlier on the
command line. A "--no-graph" option has been added and resource
leakage has been plugged.
* ah/log-no-graph:
log: add a --no-graph option
log: fix memory leak if --graph is passed multiple times
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"git diff --diff-filter=aR" is now parsed correctly.
* js/diff-filter-negation-fix:
diff-filter: be more careful when looking for negative bits
diff.c: move the diff filter bits definitions up a bit
docs(diff): lose incorrect claim about `diff-files --diff-filter=A`
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Extend the tests added in my 9df46763ef1 (log: add exhaustive tests
for pattern style options & config, 2017-05-20) to check not only
whether "git log" handles "grep.patternType", but also "git show"
etc.
It's sufficient to check whether we match a "fixed" or a "basic" regex
here to see if these codepaths correctly invoked grep_config(). We
don't need to check the details of their regular expression matching
as the "log" test does.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's useful to be able to countermand a previous --graph option, for
example if `git log --graph` is run via an alias.
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git name-rev --stdin" does not behave like usual "--stdin" at
all. Start the process of renaming it to "--annotate-stdin".
* jc/name-rev-stdin:
name-rev.c: use strbuf_getline instead of limited size buffer
name-rev: deprecate --stdin in favor of --annotate-stdin
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The `--diff-filter=<bits>` option allows to filter the diff by certain
criteria, for example `R` to only show renamed files. It also supports
negating a filter via a down-cased letter, i.e. `r` to show _everything
but_ renamed files.
However, the code is a bit overzealous when trying to figure out whether
`git diff` should start with all diff-filters turned on because the user
provided a lower-case letter: if the `--diff-filter` argument starts
with an upper-case letter, we must not start with all bits turned on.
Even worse, it is possible to specify the diff filters in multiple,
separate options, e.g. `--diff-filter=AM [...] --diff-filter=m`.
Let's accumulate the include/exclude filters independently, and only
special-case the "only exclude filters were specified" case after
parsing the options altogether.
Note: The code replaced by this commit took pains to avoid setting any
unused bits of `options->filter`. That was unnecessary, though, as all
accesses happen via the `filter_bit_tst()` function using specific bits,
and setting the unused bits has no effect. Therefore, we can simplify
the code by using `~0` (or in this instance, `~<unwanted-bit>`).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce a --annotate-stdin that is functionally equivalent of --stdin.
--stdin does not behave as --stdin in other subcommands, such as
pack-objects whereby it takes one argument per line. Since --stdin can
be a confusing and misleading name, rename it to --annotate-stdin.
This change adds a warning to --stdin warning that it will be removed in
the future.
Signed-off-by: "John Cai" <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git log --invert-grep --author=<name>" used to exclude commits
written by the given author, but now "--invert-grep" only affects
the matches made by the "--grep=<pattern>" option.
* rs/log-invert-grep-with-headers:
log: let --invert-grep only invert --grep
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Test fix.
* rs/t4202-invert-grep-test-fix:
t4202: fix patternType setting in --invert-grep test
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Broken &&-chains in the test scripts have been corrected.
* es/test-chain-lint:
t6000-t9999: detect and signal failure within loop
t5000-t5999: detect and signal failure within loop
t4000-t4999: detect and signal failure within loop
t0000-t3999: detect and signal failure within loop
tests: simplify by dropping unnecessary `for` loops
tests: apply modern idiom for exiting loop upon failure
tests: apply modern idiom for signaling test failure
tests: fix broken &&-chains in `{...}` groups
tests: fix broken &&-chains in `$(...)` command substitutions
tests: fix broken &&-chains in compound statements
tests: use test_write_lines() to generate line-oriented output
tests: simplify construction of large blocks of text
t9107: use shell parameter expansion to avoid breaking &&-chain
t6300: make `%(raw:size) --shell` test more robust
t5516: drop unnecessary subshell and command invocation
t4202: clarify intent by creating expected content less cleverly
t1020: avoid aborting entire test script when one test fails
t1010: fix unnoticed failure on Windows
t/lib-pager: use sane_unset() to avoid breaking &&-chain
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Extend the signing of objects with SSH keys and learn to pay
attention to the key validity time range when verifying.
* fs/ssh-signing-key-lifetime:
ssh signing: verify ssh-keygen in test prereq
ssh signing: make fmt-merge-msg consider key lifetime
ssh signing: make verify-tag consider key lifetime
ssh signing: make git log verify key lifetime
ssh signing: make verify-commit consider key lifetime
ssh signing: add key lifetime test prereqs
ssh signing: use sigc struct to pass payload
t/fmt-merge-msg: make gpgssh tests more specific
t/fmt-merge-msg: do not redirect stderr
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Actually use extended regexes as indicated in the comment.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The option --invert-grep is documented to filter out commits whose
messages match the --grep filters. However, it also affects the
header matches (--author, --committer), which is not intended.
Move the handling of that option to grep.c, as only the code there can
distinguish between matches in the header from those in the message
body. If --invert-grep is given then enable extended expressions (not
the regex type, we just need git grep's --not to work), negate the body
patterns and check if any of them match by piggy-backing on the
collect_hits mechanism of grep_source_1().
Collecting the matches in struct grep_opt is a bit iffy, but with
"last_shown" we have a precedent for writing state information to that
struct.
Reported-by: Dotan Cohen <dotancohen@gmail.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Several tests assign the output of `$(...)` command substitution to an
"expect" variable, taking advantage of the fact that `$(...)` folds out
the final line terminator while leaving internal line terminators
intact. They do this because the "actual" string with which "expect"
will be compared is shaped the same way. However, this intent (having
internal line terminators, but no final line terminator) is not
necessarily obvious at first glance and may confuse casual readers. The
intent can be made more obvious by using `printf` instead, with which
line termination is stated clearly:
printf "sixth\nthird"
In fact, many other tests in this script already use `printf` for
precisely this purpose, thus it is an established pattern. Therefore,
convert these tests to employ `printf`, as well.
While at it, modernize the tests to use test_cmp() to compare the
expected and actual output rather than using the semi-deprecated
`verbose test "$x" = "$y"`.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Set the payload_type for check_signature() when calling git log.
Implements the same tests as for verify-commit.
Signed-off-by: Fabian Stelzer <fs@gigacodes.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's possible to specify --simplify-by-decoration but not --decorate. In
this case we do respect the simplification, but we don't actually show
any decorations. However, it works by lazy-loading the decorations when
needed; this is discussed in more detail in 0cc7380d88 (log-tree: call
load_ref_decorations() in get_name_decoration(), 2019-09-08).
This works for basic cases, but will fail to respect any --decorate-refs
option (or its variants). Those are handled only when cmd_log_init()
loads the ref decorations up front, which is only when --decorate is
specified explicitly (or as of the previous commit, when the userformat
asks for %d or similar).
We can solve this by making sure to load the decorations if we're going
to simplify using them but they're not otherwise going to be displayed.
The new test shows a simple case that fails without this patch. Note
that we expect two commits in the output: the one we asked for by
--decorate-refs, and the initial commit. The latter is just a quirk of
how --simplify-by-decoration works. Arguably it may be a bug, but it's
unrelated to this patch (which is just about the loading of the
decorations; you get the same behavior before this patch with an
explicit --decorate).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In order to show ref decorations, we first have to load them. If you
run:
git log --decorate
then git-log will recognize the option and load them up front via
cmd_log_init(). Likewise if log.decorate is set.
If you don't say --decorate explicitly, but do mention "%d" or "%D" in
the output format, like so:
git log --format=%d
then this also works, because we lazy-load the ref decorations. This has
been true since 3b3d443feb (add '%d' pretty format specifier to show
decoration, 2008-09-04), though the lazy-load was later moved into
log-tree.c.
But there's one problem: that lazy-load just uses the defaults; it
doesn't take into account any --decorate-refs options (or its exclude
variant, or their config). So this does not work:
git log --decorate-refs=whatever --format=%d
It will decorate using all refs, not just the specified ones. This has
been true since --decorate-refs was added in 65516f586b (log: add option
to choose which refs to decorate, 2017-11-21). Adding further confusion
is that it _may_ work because of the auto-decoration feature. If that's
in use (and it often is, as it's the default), then if the output is
going to stdout, we do enable decorations early (and so load them up
front, respecting the extra options). But otherwise we do not. So:
git log --decorate-refs=whatever --format=%d >some-file
would typically behave differently than it does when the output goes to
the pager or terminal!
The solution is simple: we should recognize in cmd_log_init() that we're
going to show decorations, and make sure we load them there. We already
check userformat_find_requirements(), so we can couple this with our
existing code there.
There are two new tests. The first shows off the actual fix. The second
makes sure that our fix doesn't cause us to stomp on an existing
--decorate option (see the new comment in the code, as well).
Reported-by: Josh Rampersad <josh.rampersad@voiceflow.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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