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When updating the cache tree in convert_to_sparse(), the
WRITE_TREE_MISSING_OK flag indicates that trees might be computed that
do not already exist within the object database. This happens in cases
such as 'git add' creating new trees that it wants to store in
anticipation of a following 'git commit'. If this flag is not specified,
then it might trigger a promisor fetch or a failure due to the object
not existing locally.
Use WRITE_TREE_MISSING_OK during convert_to_sparse() to avoid these
possible reasons for the cache_tree_update() to fail.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If cache_tree_update() returns a non-zero value, then it could not
create the cache tree. This is likely due to a path having a merge
conflict. Since we are already returning early, let's return silently to
avoid making it seem like we failed to write the index at all.
If we remove our dependence on the cache tree within
convert_to_sparse(), then we could still recover from this scenario and
have a sparse index.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The iterated search in find_cache_entry() was recently modified to
include a loop that searches backwards for a sparse directory entry that
matches the given traverse_info and name_entry. However, the string
comparison failed to actually concatenate those two strings, so this
failed to find a sparse directory when it was not a top-level directory.
This caused some errors in rare cases where a 'git checkout' spanned a
diff that modified files within the sparse directory entry, but we could
not correctly find the entry.
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Helped-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While the sparse-index is only enabled when core.sparseCheckoutCone is
also enabled, it is possible for the user to modify the sparse-checkout
file manually in a way that does not match cone-mode patterns. In this
case, we should refuse to convert an index into a sparse index, since
the sparse_checkout_patterns will not be initialized with recursive and
parent path hashsets.
Also silently return if there are no cache entries, which is a simple
case: there are no paths to make sparse!
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The sparse index is tested with the FS Monitor hook and extension since
f8fe49e (fsmonitor: integrate with sparse index, 2021-07-14). This test
was very fragile because it shared an index across sparse and non-sparse
behavior. Since that expansion and contraction could cause the index to
lose its FS Monitor bitmap and token, behavior is fragile to changes in
'git sparse-checkout set'.
Rewrite the test to use two clones of the original repo: full and
sparse. This allows us to also keep the test files (actual, expect,
trace2.txt) out of the repos we are testing with 'git status'.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a performance regression introduced in a587b5a786 (pack-write.c:
extract 'write_rev_file_order', 2021-03-30) and stop needlessly
allocating the "pack_order" array and sorting it with
"pack_order_cmp()", only to throw that work away when we discover that
we're not writing *.rev files after all.
This redundant work was not present in the original version of this
code added in 8ef50d9958 (pack-write.c: prepare to write 'pack-*.rev'
files, 2021-01-25). There we'd call write_rev_file() from
e.g. finish_tmp_packfile(), but we'd "return NULL" early in
write_rev_file() if not doing a "WRITE_REV" or "WRITE_REV_VERIFY".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function to add the `exec` commands to the todo list only needed to
be public API because it was not only used internally by the sequencer,
but also by `git rebase --preserve-merges`.
Now that that mode has been removed, we no longer need that function to
be scoped publicly.
Helped-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With the `--preserve-merges` option going away, we no longer need this
function.
Helped-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We no longer support `--preserve-merges`, therefore it does not make
sense to keep mentioning that option, even in code comments.
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that we no longer have a `--preserve-merges` backend, this comment
needs to be adjusted.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It was only used by the `--preserve-merges` backend, which we just
removed.
Helped-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We already passed the `--rebase-merges` option to `git rebase` instead,
now we make this move permanent.
As pointed out by Ævar Arnfjörð Bjarmason, in contrast to the
deprecation of `git rebase`'s `--preserve-merges` backend, `git svn`
only deprecated this option in v2.25.0 (because this developer missed
`git svn`'s use of that backend when deprecating the rebase backend
running up to Git v2.22).
Still, v2.25.0 has been released on January 13th, 2020. In other words,
`git svn` deprecated this option over one and a half years ago, _and_
has been redirecting to the `--rebase-merges` option during all that
time (read: `git svn rebase --preserve-merges` didn't do _precisely_
what the user asked, since v2.25.0, anyway, it fell back to pretending
that the user asked for `git svn rebase --rebase-merges` instead).
It is time to act on that deprecation and remove that option after all.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This option was deprecated in favor of `--rebase-merges` some time ago,
and now we retire it.
To assist users to transition away, we do not _actually_ remove the
option, but now we no longer implement the functionality. Instead, we
offer a helpful error message suggesting which option to use.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In preparation for `git-rebase--preserve-merges.sh` entering its after
life, we remove this (deprecated) option that would still rely on it.
To help users transition who still did not receive the memo about the
deprecation, we offer a helpful error message instead of throwing our
hands in the air and saying that we don't know that option, never heard
of it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This backend has been deprecated in favor of `git rebase
--rebase-merges`.
In preparation for dropping it, let's remove all the regression tests
that would need it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We ignore them silently, but it actually makes sense to warn the users
that their config setting has no effect.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Even if those tests try to override that setting, let's not use it
because it is deprecated: let's use `merges` instead.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Back when a1be47e4 (hash-object: fix buffer reuse with --path in a
subdirectory, 2017-03-20) was written, the prefix_filename() helper
used a static piece of memory to the caller, making the caller
responsible for copying it, if it wants to keep it across another
call to the same function. Two callers of the prefix_filename() in
hash-object were made to xstrdup() the value obtained from it.
But in the same series, when e4da43b1 (prefix_filename: return newly
allocated string, 2017-03-20) changed the rule to gave the caller
possession of the memory, we forgot to revert one of the xstrdup()
changes, allowing the returned value to leak.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git bugreport writes bug report to the current directory by default,
instead of repository root.
Fix the documentation.
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This script was added in f28ac70f48 (Move all dashed-form commands to
libexecdir, 2007-11-28) when commands such as "git-add" lived in the
bin directory, instead of the git exec directory.
This notice helped someone incorrectly installing version v1.6.0 and
later into a directory built for a pre-v1.6.0 git version.
We're now long past the point where anyone who'd be helped by this
warning is likely to be doing that, so let's just remove this check
and warning to simplify the Makefile.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a regression in my c95e3a3f0b8 (send-email: move trivial config
handling to Perl, 2021-05-28) where we'd pick the first config key out
of multiple defined ones, instead of using the normal "last key wins"
semantics of "git config --get".
This broke e.g. cases where a .git/config would have a different
sendemail.smtpServer than ~/.gitconfig. We'd pick the ~/.gitconfig
over .git/config, instead of preferring the repository-local
version. The same would go for /etc/gitconfig etc.
The full list of impacted config keys (the %config_settings values
which are references to scalars, not arrays) is:
sendemail.smtpencryption
sendemail.smtpserver
sendemail.smtpserverport
sendemail.smtpuser
sendemail.smtppass
sendemail.smtpdomain
sendemail.smtpauth
sendemail.smtpbatchsize
sendemail.smtprelogindelay
sendemail.tocmd
sendemail.cccmd
sendemail.aliasfiletype
sendemail.envelopesender
sendemail.confirm
sendemail.from
sendemail.assume8bitencoding
sendemail.composeencoding
sendemail.transferencoding
sendemail.sendmailcmd
I.e. having any of these set in say ~/.gitconfig and in-repo
.git/config regressed in v2.33.0 to prefer the --global one over the
--local.
To test this add a test of config priority to one of these config
variables, most don't have tests at all, but there was an existing one
for sendemail.8bitEncoding.
The "git config" (instead of "test_config") is somewhat of an
anti-pattern, but follows established conventions in
t9001-send-email.sh, likewise with any other pattern or idiom in this
test.
The populating of home/.gitconfig and setting of HOME= is copied from
a test in t0017-env-helper.sh added in 1ff750b128e (tests: make
GIT_TEST_GETTEXT_POISON a boolean, 2019-06-21). This test fails
without this bugfix, but now it works.
Reported-by: Eli Schwartz <eschwartz@archlinux.org>
Tested-by: Eli Schwartz <eschwartz@archlinux.org>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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output() reuses the same struct diff_options for multiple calls of
diff_flush(). Set the option no_free to instruct it to keep the
ignore regexes between calls and release them explicitly at the end.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This fixes 19b2517f (diff-merges: move specific diff-index "-m"
handling to diff-index, 2021-05-21).
That commit disabled handling of all diff for merges options in
diff-index on an assumption that they are unused. However, it later
appeared that -c and --cc, even though undocumented and not being
covered by tests, happen to have had particular effect on diff-index
output.
Restore original -c/--cc options handling by diff-index.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 2f732bf15e6 (tr2: log parent process name, 2021-07-21) we started
logging parent process names, but only logged all parents on Windows.
on Linux only the name of the immediate parent process was logged.
Extend the functionality added there to also log full parent chain on
Linux.
This requires us to lookup "/proc/<getppid()>/stat" instead of
"/proc/<getppid()>/comm". The "comm" file just contains the name of the
process, but the "stat" file has both that information, and the parent
PID of that process, see procfs(5). We parse out the parent PID of our
own parent, and recursively walk the chain of "/proc/*/stat" files all
the way up the chain. A parent PID of 0 indicates the end of the
chain.
It's possible given the semantics of Linux's PID files that we end up
getting an entirely nonsensical chain of processes. It could happen if
e.g. we have a chain of processes like:
1 (init) => 321 (bash) => 123 (git)
Let's assume that "bash" was started a while ago, and that as shown
the OS has already cycled back to using a lower PID for us than our
parent process. In the time it takes us to start up and get to
trace2_collect_process_info(TRACE2_PROCESS_INFO_STARTUP) our parent
process might exit, and be replaced by an entirely different process!
We'd racily look up our own getppid(), but in the meantime our parent
would exit, and Linux would have cycled all the way back to starting
an entirely unrelated process as PID 321.
If that happens we'll just silently log incorrect data in our ancestry
chain. Luckily we don't need to worry about this except in this
specific cycling scenario, as Linux does not have PID
randomization. It appears it once did through a third-party feature,
but that it was removed around 2006[1]. For anyone worried about this
edge case raising PID_MAX via "/proc/sys/kernel/pid_max" will mitigate
it, but not eliminate it.
One thing we don't need to worry about is getting into an infinite
loop when walking "/proc/*/stat". See 353d3d77f4f (trace2: collect
Windows-specific process information, 2019-02-22) for the related
Windows code that needs to deal with that, and [2] for an explanation
of that edge case.
Aside from potential race conditions it's also a bit painful to
correctly parse the process name out of "/proc/*/stat". A simpler
approach is to use fscanf(), see [3] for an implementation of that,
but as noted in the comment being added here it would fail in the face
of some weird process names, so we need our own parse_proc_stat() to
parse it out.
With this patch the "ancestry" chain for a trace2 event might look
like this:
$ GIT_TRACE2_EVENT=/dev/stdout ~/g/git/git version | grep ancestry | jq -r .ancestry
[
"bash",
"screen",
"systemd"
]
And in the case of naughty process names like the following. This uses
perl's ability to use prctl(PR_SET_NAME, ...). See
Perl/perl5@7636ea95c5 (Set the legacy process name with prctl() on
assignment to $0 on Linux, 2010-04-15)[4]:
$ perl -e '$0 = "(naughty\nname)"; system "GIT_TRACE2_EVENT=/dev/stdout ~/g/git/git version"' | grep ancestry | jq -r .ancestry
[
"sh",
"(naughty\nname)",
"bash",
"screen",
"systemd"
]
1. https://grsecurity.net/news#grsec2110
2. https://lore.kernel.org/git/48a62d5e-28e2-7103-a5bb-5db7e197a4b9@jeffhostetler.com/
3. https://lore.kernel.org/git/87o8agp29o.fsf@evledraar.gmail.com/
4. https://github.com/Perl/perl5/commit/7636ea95c57762930accf4358f7c0c2dec086b5e
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change code added in 2f732bf15e6 (tr2: log parent process name,
2021-07-21) to use a switch statement without a "default" branch to
have the compiler error if this code ever drifts out of sync with the
members of the "enum trace2_process_info_reason".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In a subsequent commit I'll be replacing most of this code to log N
parents, but let's first fix bugs introduced in the recent
2f732bf15e6 (tr2: log parent process name, 2021-07-21).
It was using the strbuf_read_file() in the wrong way, its return value
is either a length or a negative value on error. If we didn't have a
procfs, or otherwise couldn't access it we'd end up pushing an empty
string to the trace2 ancestry array.
It was also using the strvec_push() API the wrong way. That API always
does an xstrdup(), so by detaching the strbuf here we'd leak
memory. Let's instead pass in our pointer for strvec_push() to
xstrdup(), and then free our own strbuf. I do have some WIP changes to
make strvec_push_nodup() non-static, which makes this and some other
callsites nicer, but let's just follow the prevailing pattern of using
strvec_push() for now.
We'll also need to free that "procfs_path" strbuf whether or not
strbuf_read_file() succeeds, which was another source of memory leaks
in 2f732bf15e6, i.e. we'd leak that memory as well if we weren't on a
system where we could read the file from procfs.
Let's move all the freeing of the memory to the end of the
function. If we're still at STRBUF_INIT with "name" due to not having
taken the branch where the strbuf_read_file() succeeds freeing it is
redundant. So we could move it into the body of the "if", but just
handling freeing the same way for all branches of the function makes
it more readable.
In combination with the preceding commit this makes all of
t[0-9]*trace2*.sh pass under SANITIZE=leak on Linux.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a memory leak introduced in ee4512ed481 (trace2: create new
combined trace facility, 2019-02-22), we were doing a free() of other
memory allocated in tr2tls_create_self(), but not the "thread_name"
"struct strbuf".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rewrite a comment added in 2f732bf15e6 (tr2: log parent process name,
2021-07-21) to describe what we might do under
TRACE2_PROCESS_INFO_EXIT in the future, instead of vaguely referring
to "something extra".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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I'm fairly sure that there is no way on Linux to inspect the process
tree without using procfs, any tool such as ps(1), top(1) etc. that
shows this sort of information ultimately looks the information up in
procfs.
So let's remove this comment added in 2f732bf15e6 (tr2: log parent
process name, 2021-07-21), it's setting us up for an impossible task.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "unbundle" command added in 2e0afafebd8 (Add git-bundle: move
objects and references by archive, 2007-02-22) did not show progress
output, even though the underlying API learned how to show progress in
be042aff24c (Teach progress eye-candy to fetch_refs_from_bundle(),
2011-09-18).
Now we'll show "Unbundling objects" using the new --progress-title
option to "git index-pack", to go with its existing "Receiving
objects" and "Indexing objects" (which it shows when invoked with
"--stdin", and with a pack file, respectively).
Unlike "git bundle create" we don't handle "--quiet" here, nor
"--all-progress" and "--all-progress-implied". Those are all specific
to "create" (and "verify", in the case of "--quiet").
The structure of the existing documentation is a bit unclear, e.g. the
documentation for the "--quiet" option added in
79862b6b77c (bundle-create: progress output control, 2019-11-10) only
describes how it works for "create", and not for "verify". That and
other issues in it should be fixed, but I'd like to avoid untangling
that mess right now. Let's just support the standard "--no-progress"
implicitly here, and leave cleaning up the general behavior of "git
bundle" for a later change.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a --progress-title option to index-pack, when data is piped into
index-pack its progress is a proxy for whatever's feeding it data.
This option will allow us to set a more relevant progress bar title in
"git bundle unbundle", and is also used in my "bundle-uri" RFC
patches[1] by a new caller in fetch-pack.c.
The code change in cmd_index_pack() won't handle
"--progress-title=xyz", only "--progress-title xyz", and the "(i+1)"
style (as opposed to "i + 1") is a bit odd.
Not using the "--long-option=value" style is inconsistent with
existing long options handled by cmd_index_pack(), but makes the code
that needs to call it better (two strvec_push(), instead of needing a
strvec_pushf()). Since the option is internal-only the inconsistency
shouldn't matter.
I'm copying the pattern to handle it as-is from the handling of the
existing "-o" option in the same function, see 9cf6d3357aa (Add
git-index-pack utility, 2005-10-12) for its addition. That's a short
option, but the code to implement the two is the same in functionality
and style. Eventually we'd like to migrate all of this this to
parse_options(), which would make these differences in behavior go
away.
1. https://lore.kernel.org/git/RFC-cover-00.13-0000000000-20210805T150534Z-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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Since the "flags" parameter was added in be042aff24c (Teach progress
eye-candy to fetch_refs_from_bundle(), 2011-09-18) there's never been
more than the one flag: BUNDLE_VERBOSE.
Let's have the only caller who cares about that pass "-v" itself
instead through new "extra_index_pack_args" parameter. The flexibility
of being able to pass arbitrary arguments to "unbundle" will be used
in 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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The existing mechanism for scheduling background maintenance is done
through cron. On Linux systems managed by systemd, systemd provides an
alternative to schedule recurring tasks: systemd timers.
The main motivations to implement systemd timers in addition to cron
are:
* cron is optional and Linux systems running systemd might not have it
installed.
* The execution of `crontab -l` can tell us if cron is installed but not
if the daemon is actually running.
* With systemd, each service is run in its own cgroup and its logs are
tagged by the service inside journald. With cron, all scheduled tasks
are running in the cron daemon cgroup and all the logs of the
user-scheduled tasks are pretended to belong to the system cron
service.
Concretely, a user that doesn’t have access to the system logs won’t
have access to the log of their own tasks scheduled by cron whereas
they will have access to the log of their own tasks scheduled by
systemd timer.
Although `cron` attempts to send email, that email may go unseen by
the user because these days, local mailboxes are not heavily used
anymore.
In order to schedule git maintenance, we need two unit template files:
* ~/.config/systemd/user/git-maintenance@.service
to define the command to be started by systemd and
* ~/.config/systemd/user/git-maintenance@.timer
to define the schedule at which the command should be run.
Those units are templates that are parameterized by the frequency.
Based on those templates, 3 timers are started:
* git-maintenance@hourly.timer
* git-maintenance@daily.timer
* git-maintenance@weekly.timer
The command launched by those three timers are the same as with the
other scheduling methods:
/path/to/git for-each-repo --exec-path=/path/to
--config=maintenance.repo maintenance run --schedule=%i
with the full path for git to ensure that the version of git launched
for the scheduled maintenance is the same as the one used to run
`maintenance start`.
The timer unit contains `Persistent=true` so that, if the computer is
powered down when a maintenance task should run, the task will be run
when the computer is back powered on.
Signed-off-by: Lénaïc Huard <lenaic@lhuard.fr>
Acked-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Depending on the system, different schedulers can be used to schedule
the hourly, daily and weekly executions of `git maintenance run`:
* `launchctl` for MacOS,
* `schtasks` for Windows and
* `crontab` for everything else.
`git maintenance run` now has an option to let the end-user explicitly
choose which scheduler he wants to use:
`--scheduler=auto|crontab|launchctl|schtasks`.
When `git maintenance start --scheduler=XXX` is run, it not only
registers `git maintenance run` tasks in the scheduler XXX, it also
removes the `git maintenance run` tasks from all the other schedulers to
ensure we cannot have two schedulers launching concurrent identical
tasks.
The default value is `auto` which chooses a suitable scheduler for the
system.
`git maintenance stop` doesn't have any `--scheduler` parameter because
this command will try to remove the `git maintenance run` tasks from all
the available schedulers.
Signed-off-by: Lénaïc Huard <lenaic@lhuard.fr>
Acked-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Current implementation of `xdg_config_home(filename)` returns
`$XDG_CONFIG_HOME/git/$filename`, with the `git` subdirectory inserted
between the `XDG_CONFIG_HOME` environment variable and the parameter.
This patch introduces a `xdg_config_home_for(subdir, filename)` function
which is more generic. It only concatenates "$XDG_CONFIG_HOME", or
"$HOME/.config" if the former isn’t defined, with the parameters,
without adding `git` in between.
`xdg_config_home(filename)` is now implemented by calling
`xdg_config_home_for("git", filename)` but this new generic function can
be used to compute the configuration directory of other programs.
Signed-off-by: Lénaïc Huard <lenaic@lhuard.fr>
Acked-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'debug' function in test-lib-functions.sh is used to invoke a
debugger at a specific line in a test. It inherits the value of HOME and
TERM set by 'test-lib.sh': HOME="$TRASH_DIRECTORY" and TERM=dumb.
Changing the value of HOME means that any customization configured in a
developers' debugger configuration file (like $HOME/.gdbinit or
$HOME/.lldbinit) are not available in the debugger invoked by
'test_pause'.
Changing the value of TERM to 'dumb' means that colored output
is disabled in the debugger.
To make the debugging experience with 'debug' more pleasant, leverage
the variable USER_HOME, added in the previous commit, to copy a
developer's ~/.gdbinit and ~/.lldbinit to the test HOME. We do not set
HOME to USER_HOME as in 'test_pause' to avoid user configuration in
$USER_HOME/.gitconfig from interfering with the command being debugged.
Also, add a flag to launch the debugger with the original value of
TERM, and add the same warning as for 'test_pause'.
Helped-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Acked-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'test_pause' function, which is designed to help interactive
debugging and exploration of tests, currently inherits the value of HOME
and TERM set by 'test-lib.sh': HOME="$TRASH_DIRECTORY" and TERM=dumb. It
also invokes the shell defined by TEST_SHELL_PATH, which defaults to
/bin/sh (through SHELL_PATH).
Changing the value of HOME means that any customization configured in a
developers' shell startup files and any Git aliases defined in their
global Git configuration file are not available in the shell invoked by
'test_pause'.
Changing the value of TERM to 'dumb' means that colored output
is disabled for all commands in that shell.
Using /bin/sh as the shell invoked by 'test_pause' is not ideal since
some platforms (i.e. Debian and derivatives) use Dash as /bin/sh, and
this shell is usually compiled without readline support, which makes for
a poor interactive command line experience.
To make the interactive command line experience in the shell invoked by
'test_pause' more pleasant, save the values of HOME and TERM in
USER_HOME and USER_TERM before changing them in test-lib.sh, and add
options to 'test_pause' to optionally use these variables to invoke the
shell. Also add an option to invoke SHELL instead of TEST_SHELL_PATH, so
that developer's interactive shell is used.
We use options instead of changing the behaviour unconditionally since
these three variables can slightly change command behaviour. Moreover,
using the original HOME means commands could overwrite files in a user's
home directory. Be explicit about these caveats in the new 'Usage'
section in test-lib-functions.sh.
Finally, add '[options]' to the test_pause synopsys in t/README, and
mention that the full list of helper functions and their options can be
found in test-lib-functions.sh.
Helped-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Acked-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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3f824e91c8 (t/Makefile: introduce TEST_SHELL_PATH, 2017-12-08)
made it easy to use a different shell for the tests than 'SHELL_PATH'
used at compile time. But 'test_pause' still invokes 'SHELL_PATH'.
If TEST_SHELL_PATH is set, invoke that shell in 'test_pause' for
consistency.
Suggested-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Acked-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This will simplify referencing them from code that is not deeply integrated with
Git, in particular, the reftable library.
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add $(INSTALL_STRIP), which allows passing stripping options to
$(INSTALL).
For this to work, installing executables must be split to installing
compiled binaries and scripts portions, since $(INSTALL_STRIP) is only
meaningful to the former.
Users can set this variable depending on their system. For example,
Linux users can use `-s --strip-program=strip`, while FreeBSD users can
simply set to `-s` and choose strip program with $STRIPBIN.
[original outline by Đoàn Trần Công Danh]
Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The ll_binary_merge() function assumes that the ancestor blob is
different from either side of the new versions, and always fails
the merge in conflict, unless -Xours or -Xtheirs is in effect.
The normal "merge" machineries all resolve the trivial cases
(e.g. if our side changed while their side did not, the result
is ours) without triggering the file-level merge drivers, so the
assumption is warranted.
The code path in "git apply --3way", however, does not check for
the trivial three-way merge situation and always calls the
file-level merge drivers. This used to be perfectly OK back
when we always first attempted a straight patch application and
used the three-way code path only as a fallback. Any binary
patch that can be applied as a trivial three-way merge (e.g. the
patch is based exactly on the version we happen to have) would
always cleanly apply, so the ll_binary_merge() that is not
prepared to see the trivial case would not have to handle such a
case.
This no longer is true after we made "--3way" to mean "first try
three-way and then fall back to straight application", and made
"git apply -3" on a binary patch that is based on the current
version no longer apply.
Teach "git apply -3" to first check for the trivial merge cases
and resolve them without hitting the file-level merge drivers.
Signed-off-by: Jerry Zhang <jerry@skydio.com>
[jc: stolen tests from Jerry's patch]
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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Build fix.
* sg/make-fix-ar-invocation:
Makefile: remove archives before manipulating them with 'ar'
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Update to the command line completion (in contrib/) for tcsh.
* ti/tcsh-completion-regression-fix:
completion: tcsh: Fix regression by drop of wrapper functions
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Command line completion updates.
* fc/completion-updates:
completion: bash: add correct suffix in variables
completion: bash: fix for multiple dash commands
completion: bash: fix for suboptions with value
completion: bash: fix prefix detection in branch.*
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Various bugs in "git rebase -r" have been fixed.
* pw/rebase-r-fixes:
rebase -r: fix merge -c with a merge strategy
rebase -r: don't write .git/MERGE_MSG when fast-forwarding
rebase -i: add another reword test
rebase -r: make 'merge -c' behave like reword
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Checking out all the paths from HEAD during the last conflicted
step in "git rebase" and continuing would cause the step to be
skipped (which is expected), but leaves MERGE_MSG file behind in
$GIT_DIR and confuses the next "git commit", which has been
corrected.
* pw/rebase-skip-final-fix:
rebase --continue: remove .git/MERGE_MSG
rebase --apply: restore some tests
t3403: fix commit authorship
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Use upload-artifacts v1 (instead of v2) for 32-bit linux, as the
new version has a blocker bug for that architecture.
* cb/ci-use-upload-artifacts-v1:
ci: use upload-artifacts v1 for dockerized jobs
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"git commit --fixup" now works with "--edit" again, after it was
broken in v2.32.
* jk/commit-edit-fixup-fix:
commit: restore --edit when combined with --fixup
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The revision traversal API has been optimized by taking advantage
of the commit-graph, when available, to determine if a commit is
reachable from any of the existing refs.
* ps/connectivity-optim:
revision: avoid hitting packfiles when commits are in commit-graph
commit-graph: split out function to search commit position
revision: stop retrieving reference twice
connected: do not sort input revisions
revision: separate walk and unsorted flags
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