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Now that ref_format_clear() no longer releases any memory we don't need
it anymore. Remove it and its counterpart, ref_format_init().
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The string_list "is_base_tips" in struct ref_format stores the
committish part of "is-base:<committish>". It has the same problems
that its sibling string_list "bases" had. Fix them the same way as the
previous commit did for the latter, by replacing the string_list with
fields in "used_atom".
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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verify_ref_format() parses a ref-filter format string and stores
recognized items in the static array "used_atom". For
"ahead-behind:<committish>" it stores the committish part in a
string_list member "bases" of struct ref_format.
ref_sorting_options() also parses bare ref-filter format items and
stores stores recognized ones in "used_atom" as well. The committish
parts go to a dummy struct ref_format in parse_sorting_atom(), though,
and are leaked and forgotten.
If verify_ref_format() is called before ref_sorting_options(), like in
git for-each-ref, then all works well if the sort key is included in the
format string. If it isn't then sorting cannot work as the committishes
are missing.
If ref_sorting_options() is called first, like in git branch, then we
have the additional issue that if the sort key is included in the format
string then filter_ahead_behind() can't see its committish, will not
generate any results for it and thus it will be expanded to an empty
string.
Fix those issues by replacing the string_list with a field in used_atom
for storing the committish. This way it can be shared for handling both
ref-filter format strings and sorting options in the same command.
Reported-by: Ross Goldberg <ross.goldberg@gmail.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: René Scharfe <l.s.r@web.de>
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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Test update.
* sk/unit-test-hash:
t/unit-tests: convert hash to use clar test framework
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Doc markup fix.
* mh/gitattr-doc-markup-fix:
docs: fix typesetting of merge driver placeholders
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Completion script updates for zsh
* dk/zsh-config-completion-fix:
completion: repair config completion for Zsh
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Docfix.
* aj/difftool-config-doc-fix:
difftool docs: restore correct position of tool list
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More code paths have a repository passed through the callchain,
instead of assuming the primary the_repository object.
* ps/the-repository:
match-trees: stop using `the_repository`
graph: stop using `the_repository`
add-interactive: stop using `the_repository`
tmp-objdir: stop using `the_repository`
resolve-undo: stop using `the_repository`
credential: stop using `the_repository`
mailinfo: stop using `the_repository`
diagnose: stop using `the_repository`
server-info: stop using `the_repository`
send-pack: stop using `the_repository`
serve: stop using `the_repository`
trace: stop using `the_repository`
pager: stop using `the_repository`
progress: stop using `the_repository`
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A misconfigured "fsck.skiplist" configuration variable was not
diagnosed as an error, which has been corrected.
* jt/fsck-skiplist-parse-fix:
fsck: reject misconfigured fsck.skipList
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The code to compute "unique" name used git_rand() which can fail or
get stuck; the callsite does not require cryptographic security.
Introduce the "insecure" mode and use it appropriately.
* ps/reftable-get-random-fix:
reftable/stack: accept insecure random bytes
wrapper: allow generating insecure random bytes
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Test clean-up.
* jk/t7407-use-test-grep:
t7407: use test_grep
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The code to check LSan results has been simplified and made more
robust.
* jk/lsan-race-ignore-false-positive:
test-lib: add a few comments to LSan log checking
test-lib: simplify lsan results check
test-lib: invert return value of check_test_results_san_file_empty
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When parsing --pack_header=, we manually skip 14 bytes to the data.
Let's use skip_prefix() to do this automatically.
Note that we overwrite our pointer to the front of the string, so we
have to add more context to the error message. We could avoid this by
declaring an extra pointer to hold the value, but I think the modified
message is actually preferable; it should give translators a bit more
context.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Both of these commands read the incoming pack into a static unsigned
char buffer in BSS, and then parse it by casting the start of the buffer
to a struct pack_header. This can result in SIGBUS on some platforms if
the compiler doesn't place the buffer in a position that is properly
aligned for 4-byte integers.
This reportedly happens with unpack-objects (but not index-pack) on
sparc64 when compiled with clang (but not gcc). But we are definitely in
the wrong in both spots; since the buffer's type is unsigned char, we
can't depend on larger alignment. When it works it is only because we
are lucky.
We'll fix this by switching to get_be32() to read the headers (just like
the last few commits similarly switched us to put_be32() for writing
into the same buffer).
It would be nice to factor this out into a common helper function, but
the interface ends up quite awkward. Either the caller needs to hardcode
how many bytes we'll need, or it needs to pass us its fill()/use()
functions as pointers. So I've just fixed both spots in the same way;
this is not code that is likely to be repeated a third time (most of the
pack reading code uses an mmap'd buffer, which should be properly
aligned).
I did make one tweak to the shared code: our pack_version_ok() macro
expects us to pass the big-endian value we'd get by casting. We can
introduce a "native" variant which uses the host integer ordering.
Reported-by: Koakuma <koachan@protonmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In order to recreate a pack header in our in-memory buffer, we cast the
buffer to a "struct pack_header" and assign the individual fields. This
is reported to cause SIGBUS on sparc64 due to alignment issues.
We can work around this by using put_be32() which will write individual
bytes into the buffer.
Reported-by: Koakuma <koachan@protonmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Both index-pack and unpack-objects accept a --pack_header argument. This
is an undocumented internal argument used by receive-pack and fetch to
pass along information about the header of the pack, which they've
already read from the incoming stream.
In preparation for a bugfix, let's factor the duplicated code into a
common helper.
The callers are still responsible for identifying the option. While this
could likewise be factored out, it is more flexible this way (e.g., if
they ever started using parse-options and wanted to handle both the
stuck and unstuck forms).
Likewise, the callers are responsible for reporting errors, though they
both just call die(). I've tweaked unpack-objects to match index-pack in
marking the error for translation.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In put_be32(), we right-shift a uint32_t value various amounts and then
assign the low 8-bits to individual "unsigned char" bytes, throwing away
the high bits. For shifts smaller than 24 bits, those thrown away bits
will be arbitrary bits from the original uint32_t.
This works exactly as we want, but if you feed a constant, then sparse
complains. For example if we write this (which we plan to do in a future
patch):
put_be32(hdr, PACK_SIGNATURE);
then "make sparse" produces:
compat/bswap.h:175:22: error: cast truncates bits from constant value (5041 becomes 41)
compat/bswap.h:176:22: error: cast truncates bits from constant value (504143 becomes 43)
compat/bswap.h:177:22: error: cast truncates bits from constant value (5041434b becomes 4b)
And the same issue exists in the other put_be*() functions, when used
with a constant.
We can silence this warning by explicitly masking off the truncated
bits. The compiler is smart enough to know the result is the same, and
the asm generated by gcc (with both -O0 and -O2) is identical.
Curiously this line already exists:
put_be32(&hdr_version, INDEX_EXTENSION_VERSION2);
in the fsmonitor.c file, but it does not get flagged because the CPP
macro expands to a small integer (2).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* kn/reflog-migration-fix:
reftable: write correct max_update_index to header
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Adapts reftable tree test script to clar framework by using clar
assertions where necessary.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert the prio-queue test script to clar framework by using clar
assertions where necessary. Test functions are created as a standalone
to test different cases.
update the type of the variable `j` from int to `size_t`, this ensures
compatibility with the type used for result_size, which is also size_t,
preventing a potential warning or error caused by comparisons between
signed and unsigned integers.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Adapt the mem-pool test script to use clar framework by using clar
assertions where necessary.Test functions are created as a standalone to
test different test cases.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"generate-clar-decls.sh" script is designed to extract function
signatures that match a specific pattern derived from the unit test
file's name. The script does not know to massage file names with dashes,
which will make it search for functions that look like, for example,
`test_mem-pool_*`. Having dashes in function names is not allowed
though, so these patterns won't ever match a legal function name.
Adapt script to translate dashes (`-`) in test suite filenames to
underscores (`_`) to correctly extract the function signatures and run
the corresponding tests. This will be used by subsequent commits which
follows the same construct.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using the show_usage_and_exit_if_asked() helper we introduced
earlier, fix callers of usage() that want to show the help text when
explicitly asked by the end-user. The help text now goes to the
standard output stream for them.
These are the bog standard "if we got only '-h', then that is a
request for help" callers. Their
if (argc == 2 && !strcmp(argv[1], "-h"))
usage(message);
are simply replaced with
show_usage_and_exit_if_asked(argc, argv, message);
With this, the built-ins tested by t0012 all send their help text to
their standard output stream, so the check in t0012 that was half
tightened earlier is now fully tightened to insist on standard error
stream being empty.
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using the show_usage_if_asked() helper we introduced earlier, fix
callers of usage() that want to show the help text when explicitly
asked by the end-user. The help text now goes to the standard
output stream for them.
The callers in this step are oddballs in that their invocations of
usage() are *not* guarded by
if (argc == 2 && !strcmp(argv[1], "-h")
usage(...);
There are (unnecessarily) being clever ones that do things like
if (argc != 2 || !strcmp(argv[1], "-h")
usage(...);
to say "I know I take only one argument, so argc != 2 is always an
error regardless of what is in argv[]. Ah, by the way, even if argc
is 2, "-h" is a request for usage text, so we do the same".
Some like "git var -h" just do not treat "-h" any specially, and let
it take the same error code paths as a parameter error.
Now we cannot do the same, so these callers are rewrittin to do the
show_usage_and_exit_if_asked() first and then handle the usage error
the way they used to.
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using the show_usage_with_options_if_asked() helper we introduced
earlier, fix callers of usage_with_options() that want to show the
help text when explicitly asked by the end-user. The help text now
goes to the standard output stream for them.
The test in t7600 for "git merge -h" may want to be retired, as the
same is covered by t0012 already, but it is specifically testing that
the "-h" option gets a response even with a corrupt index file, so
for now let's leave it there.
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some commands call usage() when they are asked to give the help
message with "git cmd -h", but this has the same problem as we
fixed with callers of usage_with_options() for the same purpose.
Introduce a helper function that captures the common pattern
if (argc == 2 && !strcmp(argv[1], "-h"))
usage(usage);
and replaces it with
show_usage_if_asked(argc, argv, usage);
to help correct these code paths.
Note that this helper function still exits with status 129, and
t0012 insists on it. After converting all the mistaken callers of
usage_with_options() to call this new helper, we may want to address
it---the end user is asking us to give the help text, and we are
doing exactly as asked, so there is no reason to exit with non-zero
status.
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Many commands call usage_with_options() when they are asked to give
the help message, but it sends the help text to the standard error
stream. When the user asked for it with "git cmd -h", the help
message is the primary output from the command, hence we should send
it to the standard output stream, instead.
Introduce a helper function that captures the common pattern
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(usage, options);
and replaces it with
show_usage_with_options_if_asked(argc, argv, usage, options);
to help correct code paths.
Note that this helper function still exits with status 129, and
t0012 insists on it. After converting all the mistaken callers of
usage_with_options() to call this new helper, we may want to address
it---the end user is asking us to give the help text, and we are
doing exactly as asked, so there is no reason to exit with non-zero
status.
Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For most commands, "git foo -h" will send the help output to stdout, as
this is what parse-options.c does. But some commands send it to stderr
instead. This is usually because they call usage_with_options(), and
should be switched to show_usage_help_and_exit_if_asked().
Currently t0012 is permissive and allows either behavior. We'd like it
to eventually enforce that help goes to stdout, and teaching it to do so
identifies the commands that need to be changed. But during the
transition period, we don't want to enforce that for most test runs.
So let's introduce a flag that will let most test runs use the
permissive behavior, and people interested in converting commands can
run:
GIT_TEST_HELP_MUST_BE_STDOUT=1 ./t0012-help.sh
to see the failures. Eventually (when all builtins have been converted)
we'll remove this flag entirely and always check the strict behavior.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We centrally explain that "--no-whatever" is the way to countermand
the "--whatever" option. Explain that a configured default and the
value specified by an environment variable can be overridden by the
corresponding command line option, too.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Acked-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Wire up the git-subtree(1) command, which is part of "contrib/". Note
that we have to move around the exact location where we include the
"contrib/" subdirectory so that it comes after building the docs so that
we have access to some of the common functionality.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We unconditionally wire up building command completion present in the
"contrib/" directory. This may or may not be what users want, and we
don't provide a way to disable it.
Introduce a new "contrib" build option. This option is introduced as an
array so that users can manually pick which exact features they want to
include from the "contrib" directory. By default, we build and install
shell completions, which is a commonly used feature and also the current
default.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In a38edab7c8 (Makefile: generate doc versions via GIT-VERSION-GEN,
2024-12-06), we have refactored how we build our documentation by
injecting the Git version into the Asciidoc and AsciiDoctor config
files instead of doing so via arguments. As such, the original config
files were removed, where the expectation is that they get generated via
`GIT-VERSION-GEN` now.
Whie the git-subtree(1) command part of "contrib/" also builds docs
using these same config files, its Makefile wasn't adjusted accordingly
and thus building the docs is broken.
Fix this by using `GIT-VERSION-GEN` to generate those files.
Reported-by: Renato Botelho <garga@FreeBSD.org>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Most of the warnings were about loop variables being declared as ints
with a condition using a size_t, whereby switching the variable to
size_t fixes the warning.
One other case was comparing the result of strlen to an int passed
as an argument, which turns out could just as well be passed as a
size_t, albeit trickling to other functions.
Signed-off-by: Mike Hommey <mh@glandium.org>
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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Test modernization.
* mb/t7110-use-test-path-helper:
t7110: replace `test -f` with `test_path_is_*` helpers
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meson-based build now supports the unsafe-sha1 build knob.
* ps/meson-weak-sha1-build:
meson: provide a summary of configured backends
meson: wire up unsafe SHA1 backend
meson: add missing dots for build options
meson: simplify conditions for HTTPS and SHA1 dependencies
meson: require SecurityFramework when it's used as SHA1 backend
meson: deduplicate access to SHA1/SHA256 backend options
meson: consistenlty spell 'CommonCrypto'
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More -Wsign-compare fixes.
* ps/more-sign-compare:
sign-compare: avoid comparing ptrdiff with an int/unsigned
commit-reach: use `size_t` to track indices when computing merge bases
shallow: fix -Wsign-compare warnings
builtin/log: fix remaining -Wsign-compare warnings
builtin/log: use `size_t` to track indices
commit-reach: use `size_t` to track indices in `get_reachable_subset()`
commit-reach: use `size_t` to track indices in `remove_redundant()`
commit-reach: fix type of `min_commit_date`
commit-reach: fix index used to loop through unsigned integer
prio-queue: fix type of `insertion_ctr`
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CI jobs gave sporadic failures, which turns out that that the
object finalization code was giving an error when it did not have
to.
* ps/object-collision-check:
object-file: retry linking file into place when occluding file vanishes
object-file: don't special-case missing source file in collision check
object-file: rename variables in `check_collision()`
object-file: fix race in object collision check
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Tweak the help text used for the option value placeholders by
parse-options API so that translations can customize the "<>"
placeholder signal (e.g. "--option=<value>").
* as/long-option-help-i18n:
parse-options: localize mark-up of placeholder text in the short help
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"git submodule" learned various ways to spell the same option,
e.g. "--branch=B" can be spelled "--branch B" or "-bB".
* re/submodule-parse-opt:
git-submodule.sh: rename some variables
git-submodule.sh: improve variables readability
git-submodule.sh: add some comments
git-submodule.sh: get rid of unused variable
git-submodule.sh: get rid of isnumber
git-submodule.sh: improve parsing of short options
git-submodule.sh: improve parsing of some long options
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Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Also prevent git-commit manpage to refer to itself in the config
description by using a variable.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- Use imperative mood
- make use of the placeholder format to simplify style
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix the synopsis to reflect the option description.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- switch the synopsis to a synopsis block which will automatically
format placeholders in italics and keywords in monospace
- use _<placeholder>_ instead of <placeholder> in the description
- use `backticks for keywords and more complex option
descriptions`. The new rendering engine will apply synopsis rules to
these spans.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 297c09eabb (refs: allow multiple reflog entries for the same refname,
2024-12-16), the reftable backend learned to handle multiple reflog
entries within the same transaction. This was done modifying the
`update_index` for reflogs with multiple indices. During writing the
logs, the `max_update_index` of the writer was modified to ensure the
limits were raised to the modified `update_index`s.
However, since ref entries are written before the modification to the
`max_update_index`, if there are multiple blocks to be written, the
reftable backend writes the header with the old `max_update_index`. When
all logs are finally written, the footer will be written with the new
`min_update_index`. This causes a mismatch between the header and the
footer and causes the reftable file to be corrupted. The existing tests
only spawn a single block and since headers are lazily written with the
first block, the tests didn't capture this bug.
To fix the issue, the appropriate `max_update_index` limit must be set
even before the first block is written. Add a `max_index` field to the
transaction which holds the `max_index` within all its updates, then
propagate this value to the reftable backend, wherein this is used to
the set the `max_update_index` correctly.
Add a test which creates a few thousand reference updates with multiple
reflog entries, which should trigger the bug.
Reported-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We need an explicit `depends: documentation_deps` so that all of our
Documentation targets know they require asciidoc.conf. This shows up
as parallel build failures with it not yet being available.
Other targets look OK already.
Signed-off-by: Sam James <sam@gentoo.org>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To build the libgit-version library, Meson first generates
`version-def.h` in the build directory. Then it compiles `version.c`
into a library. During compilation, Meson tells to include both the
build directory and the project root directory.
However, when the user previously has compiled Git using Make, they will
have a `version-def.h` file in project root directory as well. Because
`version-def.h` is included in `version.c` using the #include directive
with double quotes, some preprocessors will look for the header file in
the same directory as the source file. This will cause compilation of
`version.c` ran by Meson to include `version-def.h` previously made by
Make, which might be out of date.
To explicitly tell the preprocessor which `version-def.h` to use, pass
the absolute path of this file as macro GIT_VERSION_H to the
preprocessor using option `-D` and have `version.c` `#include
GIT_VERSION_H`. To remain working with other build systems than Meson,
include "version-def.h" if that macro is not defined.
Co-authored-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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