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The documentation for the --shallow-exclude option to clone/fetch/etc.
claims that the option takes a revision, but it does not. As per
upload-pack.c's process_deepen_not(), it passes the option to
expand_ref() and dies if it does not find exactly one ref matching the
name passed. Further, this has always been the case ever since these
options were introduced by the commits merged in a460ea4a3cb1 (Merge
branch 'nd/shallow-deepen', 2016-10-10). Fix the documentation to
match the implementation.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This one is a little bit more curious. In t6112, we have a test that
exercises the `git rev-list --filter` option with invalid filters. We
execute git-rev-list(1) via `test_must_fail`, which means that we check
for leaks even though Git exits with an error code. This causes the
following leak:
Direct leak of 27 byte(s) in 1 object(s) allocated from:
#0 0x5555555e6946 in realloc.part.0 lsan_interceptors.cpp.o
#1 0x5555558fb4b6 in xrealloc wrapper.c:137:8
#2 0x5555558b6e06 in strbuf_grow strbuf.c:112:2
#3 0x5555558b7550 in strbuf_add strbuf.c:311:2
#4 0x5555557c1a88 in strbuf_addstr strbuf.h:310:2
#5 0x5555557c1d4c in parse_list_objects_filter list-objects-filter-options.c:261:3
#6 0x555555885ead in handle_revision_pseudo_opt revision.c:2899:3
#7 0x555555884e20 in setup_revisions revision.c:3014:11
#8 0x5555556c4b42 in cmd_rev_list builtin/rev-list.c:588:9
#9 0x5555555ec5e3 in run_builtin git.c:483:11
#10 0x5555555eb1e4 in handle_builtin git.c:749:13
#11 0x5555555ec001 in run_argv git.c:819:4
#12 0x5555555eaf94 in cmd_main git.c:954:19
#13 0x5555556fd569 in main common-main.c:64:11
#14 0x7ffff7ca714d in __libc_start_call_main (.../lib/libc.so.6+0x2a14d)
#15 0x7ffff7ca7208 in __libc_start_main@GLIBC_2.2.5 (.../libc.so.6+0x2a208)
#16 0x5555555ad064 in _start (git+0x59064)
This leak is valid, as we call `die()` and do not clean up the memory at
all. But what's curious is that this is the only leak reported, because
we don't clean up any other allocated memory, either, and I have no idea
why the leak sanitizer treats this buffer specially.
In any case, we can work around the leak by shuffling things around a
bit. Instead of calling `gently_parse_list_objects_filter()` and dying
after we have modified the filter spec, we simply do so beforehand. Like
this we don't allocate the buffer in the error case, which makes the
reported leak go away.
It's not pretty, but it manages to make t6112 leak free.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `obuf` member of `struct merge_options` is used to buffer output in
some cases. In order to not discard its allocated memory we only release
its contents in `merge_finalize()` when we're not currently recursing
into a subtree.
This results in some situations where we seemingly do not release the
buffer reliably. We thus have calls to `strbuf_release()` for this
buffer scattered across the codebase. But we're missing one callsite in
git-merge(1), which causes a memory leak.
We should ideally refactor this interface so that callers don't have to
know about any such internals. But for now, paper over the issue by
adding one more `strbuf_release()` call.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We use `repo_config_get_string()` to read "status.showUntrackedFiles"
from the config subsystem. This function allocates the result, but we
never free the result after parsing it.
The value never leaves the scope of the calling function, so refactor it
to instead use `repo_config_get_string_tmp()`, which does not hand over
ownership to the caller.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We never release the local `struct strbuf base` buffer, thus leaking
memory. Fix this leak.
This leak is exposed by t7063, but plugging it alone does not make the
whole test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While "common-main.c" already initializes `the_repository` for us, we do
so a second time in the "read-cache" test helper. This causes a memory
leak because the old repository's contents isn't released.
Stop calling `initialize_repository()` to plug this leak.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While we free the `fsmonitor_dirty` member of `struct index_state`, we
do not free the contents of that EWAH. Do so by using `ewah_free()`
instead of `FREE_AND_NULL()`.
This leak is exposed by t7519, but plugging it alone does not make the
test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are several cases where we invalidate untracked cache directory
entries where we do not free the underlying data, but reset the number
of entries. This causes us to leak memory because `free_untracked()`
will not iterate over any potential entries which we still had in the
array.
Fix this issue by freeing old entries. The leak is exposed by t7519, but
plugging it alone does not make the whole test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `cnt` variable tracks the number of lines in a patch diff. It can
happen though that there are no newlines, in which case we'd still end
up allocating our array of `sline`s. In fact, we always allocate it with
`cnt + 2` entries: one extra entry for the deletion hunk at the end, and
another entry that we don't seem to ever populate at all but acts as a
kind of sentinel value.
When we loop through the array to clear it at the end of this function
we only loop until `lno < cnt`, and thus we may not end up releasing
whatever the two extra `sline`s contain. While that shouldn't matter for
the sentinel value, it does matter for the extra deletion hunk sline.
Regardless of that, plug this memory leak by releasing both extra
entries, which makes the logic a bit easier to reason about.
While at it, fix the formatting of a local comment, which incidentally
also provides the necessary context for why we overallocate the `sline`
array.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We do not free the key ID when signing a tag fails. Do so by using
the common exit path.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix leaking import and export marks for transport helpers.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The cleanup string set by the config is leaking when it is being
overridden by an option. Fix this by tracking these via two separate
variables such that we can free the old value.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When formatting trailer lines we iterate through each of the trailers
and munge their respective token/value pairs according to the trailer
options. When formatting a trailer that has its `item->token` pointer
set we perform the munging in two local buffers. In the case where we
figure out that the value is empty and `trim_empty` is set we just skip
over the trailer item. But the buffers are local to the loop and we
don't release their contents, leading to a memory leak.
Plug this leak by lifting the buffers outside of the loop and releasing
them on function return. This fixes the memory leaks, but also optimizes
the loop as we don't have to reallocate the buffers on every single
iteration.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix leaking trailer values when replacing the value with a command or
when the token value is empty.
This leak is exposed by t7513, but plugging it does not make the whole
test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While we free the worktree change data, we never free its contents. Fix
this.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We don't clear `struct upload_pack::uri_protocols`, which causes a
memory leak. Fix this.
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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In `do_diff_cache()` we initialize a new `rev_info` and then overwrite
its `diffopt` with a user-provided set of options. This can leak memory
because `repo_init_revisions()` may end up allocating memory for the
`diffopt` itself depending on the configuration. And since that field is
overwritten we won't ever free it.
Plug the memory leak by releasing the diffopts before we overwrite them.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The memory allocated by `prepare_to_use_bloom_filter()` is not released
by `release_revisions()`, causing a memory leak. Plug it.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When executing with `--max-count=0` we'll return early from git-grep(1)
without performing any cleanup, which causes memory leaks. Plug these.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In `grep_splice_or()` we search for the next `TRUE` node in our tree of
grep expressions and replace it with the given new expression. But we
don't free the old node, which causes a memory leak. Plug it.
This leak is exposed by t7810, but plugging it alone isn't sufficient to
make the test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "reach" test tool doesn't bother to clean up any of its allocated
resources, causing various leaks. Plug them.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The list of server options populated via `OPT_STRING_LIST()` is never
cleared, causing a memory leak. Plug it.
This leak is exposed by t5702, but plugging it alone does not make the
whole test suite pass.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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upload-pack.c takes any --shallow-exclude argument(s) from
clone/fetch/etc. and passes them through expand_ref(). If it does not
get back exactly one ref from the call to expand_ref(), it will die with
the following error:
fatal: git upload-pack: ambiguous deepen-not: %s
Given that the documentation suggests to users that --shallow-exclude
accepts a revision rather than a ref (which will be corrected in a
subsequent commit), users may try to pass a revision. In such a case,
expand_ref() will return 0 matches, but the error message we print will
be misleading since "ambiguous" suggests there are multiple matches.
Provide a clearer error message for such a case.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Adhere to Documentation/CodingGuidelines:
- Whitespace and redirect operator.
- Case arms indentation.
- Tabs for indentation.
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A subsequent commit will change the behavior of "git index-pack
--promisor", which is exercised in "build pack index for an existing
pack", causing the unclamped and clamped versions of the --window
test to exhibit different behavior. Move the clamp test closer to the
unclamped test that it references.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A subsequent commit will add functionality: when fetching from a
promisor remote, existing non-promisor objects that are ancestors of any
fetched object will be repacked into promisor packs (since if a promisor
remote has an object, it also has all its ancestors).
This means that sometimes, a fetch from a promisor remote results in 2
new promisor packs (instead of the 1 that you would expect). There is a
test that fetches a descendant of a local object from a promisor remote,
but also specifically tests that there is exactly 1 promisor pack as
a result of the fetch. This means that this test will fail when the
subsequent commit is added.
Since the ancestry of the fetched object is not the concern of this
test, make the fetched objects have no ancestry in common with the
objets in the client repo. This is done by making the server from
scratch, instead of using an existing repo that has objects in common
with the client.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 9a4c507886 (t0410: test fetching from many promisor remotes,
2019-06-25) adds some tests that demonstrate not the automatic fetching
of missing objects, but the direct fetching from another promisor remote
(configured explicitly in one test and implicitly via --filter on the
"git fetch" CLI invocation in the other test) - thus demonstrating
support for multiple promisor remotes, as described in the commit
message.
Change the test descriptions accordingly to make this clearer.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The dumb-http code regressed when the result of re-indexing a pack
yielded an *.idx file that differs in content from the *.idx file it
downloaded from the remote. This has been corrected by no longer
relying on the *.idx file we got from the remote.
* jk/dumb-http-finalize:
packfile: use oidread() instead of hashcpy() to fill object_id
packfile: use object_id in find_pack_entry_one()
packfile: convert find_sha1_pack() to use object_id
http-walker: use object_id instead of bare hash
packfile: warn people away from parse_packed_git()
packfile: drop sha1_pack_index_name()
packfile: drop sha1_pack_name()
packfile: drop has_pack_index()
dumb-http: store downloaded pack idx as tempfile
t5550: count fetches in "previously-fetched .idx" test
midx: avoid duplicate packed_git entries
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Documentation updates to 'git-update-ref(1)'.
* kh/update-ref:
Documentation: mutually link update-ref and symbolic-ref
Documentation/git-update-ref.txt: discuss symbolic refs
Documentation/git-update-ref.txt: remove confusing paragraph
Documentation/git-update-ref.txt: demote symlink to last section
Documentation/git-update-ref.txt: remove safety paragraphs
Documentation/git-update-ref.txt: drop “flag”
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More typofixes.
* ak/more-typofixes:
t: fix typos
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Fix 'git grep' regression on macOS by disabling lookahead when
encountering invalid UTF-8 byte sequences.
* rs/grep-lookahead:
grep: disable lookahead on error
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Test cleanup.
* ak/t1016-cleanup:
t1016: clean up style
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Replace various calls to atoi() with strtol_i() and strtoul_ui(), and
add improved error handling.
* ua/atoi:
imap: replace atoi() with strtol_i() for UIDVALIDITY and UIDNEXT parsing
merge: replace atoi() with strtol_i() for marker size validation
daemon: replace atoi() with strtoul_ui() and strtol_i()
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Teach 'git notes add' and 'git notes append' a new '-e' flag,
instructing them to open the note in $GIT_EDITOR before saving.
* sa/notes-edit:
notes: teach the -e option to edit messages in editor
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Test cleanup.
* sk/t9101-cleanup:
t9101: ensure no whitespace after redirect
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Typofixes.
* ss/duplicate-typos:
global: Fix duplicate word typos
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Documentation update to clarify that 'uploadpack.allowAnySHA1InWant'
implies both 'allowTipSHA1InWant' and 'allowReachableSHA1InWant'.
* ps/upload-pack-doc:
doc: document how uploadpack.allowAnySHA1InWant impact other allow options
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Demonstrate an assertion failure in 'git mv'.
* kh/mv-breakage:
t7001: add failure test which triggers assertion
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Treat ECONNABORTED the same as ECONNRESET in 'git credential-cache' to
work around a possible Cygwin regression. This resolves a race condition
caused by changes in Cygwin's handling of socket closures, allowing the
client to exit cleanly when encountering ECONNABORTED.
* rj/cygwin-exit:
credential-cache: treat ECONNABORTED like ECONNRESET
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Test update.
* ua/t3404-cleanup:
t3404: replace test with test_line_count()
t3404: avoid losing exit status with focus on `git show` and `git cat-file`
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Various platform compatibility fixes split out of the larger effort
to use Meson as the primary build tool.
* ps/platform-compat-fixes:
t6006: fix prereq handling with `test_format ()`
http: fix build error on FreeBSD
builtin/credential-cache: fix missing parameter for stub function
t7300: work around platform-specific behaviour with long paths on MinGW
t5500, t5601: skip tests which exercise paths with '[::1]' on Cygwin
t3404: work around platform-specific behaviour on macOS 10.15
t1401: make invocation of tar(1) work with Win32-provided one
t/lib-gpg: fix setup of GNUPGHOME in MinGW
t/lib-gitweb: test against the build version of gitweb
t/test-lib: wire up NO_ICONV prerequisite
t/test-lib: fix quoting of TEST_RESULTS_SAN_FILE
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Describe the policy to introduce breaking changes.
* jc/breaking-changes-early-adopter-option:
BreakingChanges: early adopter option
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Running:
git rev-list --left-right --use-bitmap-index one...two
will produce output without any left-right markers, since the bitmap
traversal returns only a single set of reachable commits. Instead we
should refuse to use bitmaps here and produce the correct output using a
traditional traversal.
This is probably not the only remaining option that misbehaves with
bitmaps, but it's particularly egregious in that it feels like it
_could_ work. Doing two separate traversals for the left/right sides and
then taking the symmetric set differences should yield the correct
answer, but our traversal code doesn't know how to do that.
It's not clear if naively doing two separate traversals would always be
a performance win. A traditional traversal only needs to walk down to
the merge base, but bitmaps always fill out the full reachability set.
So depending on your bitmap coverage, we could end up walking old bits
of history twice to fill out the same uninteresting bits on both sides.
We'd also of course end up with a very large --boundary set, if the user
asked for that.
So this might or might not be something worth implementing later. But
for now, let's make sure we don't produce the wrong answer if somebody
tries it.
The test covers this, but also the same thing with "--count" (which is
what I originally tried in a real-world case). Ironically the
try_bitmap_count() code already realizes that "--left-right" won't work
there. But that just causes us to fall back to the regular bitmap
traversal code, which itself doesn't handle counting (we produce a list
of objects rather than a count).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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In general, we'd like to make sure Git works on the LTS versions of
major Linux distributions. To do that, let's add CI jobs for the oldest
regular (non-extended) LTS versions of the major distributions: Ubuntu
20.04, Debian 11, and RHEL 8. Because RHEL isn't available to the
public at no charge, use AlmaLinux, which is binary compatible with it.
Note that Debian does not offer the language-pack packages, but suitable
locale support can be installed with the locales-all package.
Otherwise, use the set of installation instructions which exist and are
most similar to the existing supported distros.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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We're no longer testing this version and it's well beyond regular LTS
support now, so remove the stanza for it from the case statement in our
CI code.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Ubuntu 16.04 is past its normal LTS lifespan, so let's switch to Ubuntu
20.04 instead, which is the latest regular LTS version.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Test cleanup.
* sk/t7011-cleanup:
t7011: ensure no whitespace after redirect
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