Age | Commit message (Collapse) | Author | Files | Lines |
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Leakfix.
* ab/checkout-branch-info-leakfix:
checkout: fix "branch info" memory leaks
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Test fix.
* jk/t5319-midx-corruption-test-deflake:
t5319: corrupt more bytes of the midx checksum
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"git var GIT_DEFAULT_BRANCH" is a way to see what name is used for
the newly created branch if "git init" is run.
* tw/var-default-branch:
var: add GIT_DEFAULT_BRANCH variable
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The "--date=format:<strftime>" gained a workaround for the lack of
system support for a non-local timezone to handle "%s" placeholder.
* jk/strbuf-addftime-seconds-since-epoch:
strbuf_addftime(): handle "%s" manually
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Redact the path part of packfile URI that appears in the trace output.
* if/redact-packfile-uri:
http-fetch: redact url on die() message
fetch-pack: redact packfile urls in traces
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Code clean-up to eventually allow information on remotes defined
for an arbitrary repository to be read.
* gc/remote-with-fewer-static-global-variables:
remote: die if branch is not found in repository
remote: remove the_repository->remote_state from static methods
remote: use remote_state parameter internally
remote: move static variables into per-repository struct
t5516: add test case for pushing remote refspecs
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Ensure that the sparseness of the in-core index matches the
index.sparse configuration specified by the repository immediately
after the on-disk index file is read.
* vd/sparse-sparsity-fix-on-read:
sparse-index: update do_read_index to ensure correct sparsity
sparse-index: add ensure_correct_sparsity function
sparse-index: avoid unnecessary cache tree clearing
test-read-cache.c: prepare_repo_settings after config init
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The clean/smudge conversion code path has been prepared to better
work on platforms where ulong is narrower than size_t.
* mc/clean-smudge-with-llp64:
clean/smudge: allow clean filters to process extremely large files
odb: guard against data loss checking out a huge file
git-compat-util: introduce more size_t helpers
odb: teach read_blob_entry to use size_t
t1051: introduce a smudge filter test for extremely large files
test-lib: add prerequisite for 64-bit platforms
test-tool genzeros: generate large amounts of data more efficiently
test-genzeros: allow more than 2G zeros in Windows
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Leakfix.
* tb/plug-pack-bitmap-leaks:
pack-bitmap.c: more aggressively free in free_bitmap_index()
pack-bitmap.c: don't leak type-level bitmaps
midx.c: write MIDX filenames to strbuf
builtin/multi-pack-index.c: don't leak concatenated options
builtin/repack.c: avoid leaking child arguments
builtin/pack-objects.c: don't leak memory via arguments
t/helper/test-read-midx.c: free MIDX within read_midx_file()
midx.c: don't leak MIDX from verify_midx_file
midx.c: clean up chunkfile after reading the MIDX
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The command line complation for "git send-email" options have been
tweaked to make it easier to keep it in sync with the command itself.
* tp/send-email-completion:
send-email docs: add format-patch options
send-email: programmatically generate bash completions
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Things like "git -c branch.sort=bogus branch new HEAD", i.e. the
operation modes of the "git branch" command that do not need the
sort key information, no longer errors out by seeing a bogus sort
key.
* jc/fix-ref-sorting-parse:
for-each-ref: delay parsing of --sort=<atom> options
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"git stash" learned the "--staged" option to stash away what has
been added to the index (and nothing else).
* so/stash-staged:
stash: get rid of unused argument in stash_staged()
stash: implement '--staged' option for 'push' and 'save'
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The "remainder" of hn/refs-errno-cleanup topic.
* ab/refs-errno-cleanup: (21 commits)
refs API: post-migration API renaming [2/2]
refs API: post-migration API renaming [1/2]
refs API: don't expose "errno" in run_transaction_hook()
refs API: make expand_ref() & repo_dwim_log() not set errno
refs API: make resolve_ref_unsafe() not set errno
refs API: make refs_ref_exists() not set errno
refs API: make refs_resolve_refdup() not set errno
refs tests: ignore ignore errno in test-ref-store helper
refs API: ignore errno in worktree.c's find_shared_symref()
refs API: ignore errno in worktree.c's add_head_info()
refs API: make files_copy_or_rename_ref() et al not set errno
refs API: make loose_fill_ref_dir() not set errno
refs API: make resolve_gitlink_ref() not set errno
refs API: remove refs_read_ref_full() wrapper
refs/files: remove "name exist?" check in lock_ref_oid_basic()
reflog tests: add --updateref tests
refs API: make refs_rename_ref_available() static
refs API: make parse_loose_ref_contents() not set errno
refs API: make refs_read_raw_ref() not set errno
refs API: add a version of refs_resolve_ref_unsafe() with "errno"
...
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Allow "git status --porcelain=v2" to show the number of stash
entries with --show-stash like the normal output does.
* ow/stash-count-in-status-porcelain-output:
status: print stash info with --porcelain=v2 --show-stash
status: count stash entries in separate function
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Treat "_" as any other URL-valid characters in an URL when matching
the per-URL configuration variable names.
* jk/loosen-urlmatch:
urlmatch: add underscore to URL_HOST_CHARS
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Unless `command_requires_full_index` forces index expansion, ensure in-core
index sparsity matches config settings on read by calling
`ensure_correct_sparsity`. This makes the behavior of the in-core index more
consistent between different methods of updating sparsity: manually changing
the `index.sparse` config setting vs. executing
`git sparse-checkout --[no-]sparse-index init`
Although index sparsity is normally updated with `git sparse-checkout init`,
ensuring correct sparsity after a manual `index.sparse` change has some
practical benefits:
1. It allows for command-by-command sparsity toggling with
`-c index.sparse=<true|false>`, e.g. when troubleshooting issues with the
sparse index.
2. It prevents users from experiencing abnormal slowness after setting
`index.sparse` to `true` due to use of a full index in all commands until
the on-disk index is updated.
Helped-by: Junio C Hamano <gitster@pobox.com>
Co-authored-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move `prepare_repo_settings` after the git directory has been set up in
`test-read-cache.c`. The git directory settings must be initialized to
properly assign repo settings using the worktree-level git config.
Signed-off-by: Victoria Dye <vdye@github.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Regression fix for 2.34
* ds/add-rm-with-sparse-index:
dir: revert "dir: select directories correctly"
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This reverts commit f6526728f950cacfd5b5e42bcc65f2c47f3da654.
The change in f652672 (dir: select directories correctly, 2021-09-24)
caused a regression in directory-based matches with non-cone-mode
patterns, especially for .gitignore patterns. A test is included to
prevent this regression in the future.
The commit ed495847 (dir: fix pattern matching on dirs, 2021-09-24) was
reverted in 5ceb663 (dir: fix directory-matching bug, 2021-11-02) for
similar reasons. Neither commit changed tests, and tests added later in
the series continue to pass when these commits are reverted.
Reported-by: Danial Alihosseini <danial.alihosseini@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git pull" with any strategy when the other side is behind us
should succeed as it is a no-op, but doesn't.
* ev/pull-already-up-to-date-is-noop:
pull: should be noop when already-up-to-date
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"git grep" looking in a blob that has non-UTF8 payload was
completely broken when linked with certain versions of PCREv2
library in the latest release.
* hm/paint-hits-in-log-grep:
Revert "grep/pcre2: fix an edge case concerning ascii patterns and UTF-8 data"
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This reverts commit ae39ba431ab861548eb60b4bd2e1d8b8813db76f, as it
breaks "grep" when looking for a string in non UTF-8 haystack, when
linked with certain versions of PCREv2 library.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git push remote-name" (that is, with no refspec given on the command
line) should push the refspecs in remote.remote-name.push. There is no
test case that checks this behavior in detached HEAD, so add one.
Signed-off-by: Glen Choo <chooglen@google.com>
Reviewed-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The already-up-to-date pull bug was fixed for --ff-only but it did not
include the case where --ff or --ff-only are not specified. This updates
the --ff-only fix to include the case where --ff or --ff-only are not
specified in command line flags or config.
Signed-off-by: Erwin Villejo <erwin.villejo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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One of the tests in t5319 corrupts the checksum of the midx file by
writing a single 0xff over the final byte, and then confirms that we
detect the problem. This usually works fine, but would break if the
actual checksum ended with that same byte already.
It seems like this should happen in 1 out of 256 test runs, but it turns
out to be less often in practice. The contents of the midx are mostly
deterministic because it's based on the objects, and we remove most
sources of randomness by setting GIT_COMMITTER_DATE, etc. However,
there's still some randomness: some objects are duplicated between
packs, and the midx must decide which to use, which can be based on
timing.
So very occasionally we can end up with a real 0xff byte, and the test
fails. The most robust fix would be to read out the final byte and then
change it to something else (e.g., adding 1 mod 256). But that's awkward
to do in shell. Let's just blindly corrupt 10 bytes instead of 1, which
reduces our chances of an accidental noop to 1 in 2^80.
Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "checkout" command is one of the main sources of leaks in the test
suite, let's fix the common ones by not leaking from the "struct
branch_info".
Doing this is rather straightforward, albeit verbose, we need to
xstrdup() constant strings going into the struct, and free() the ones
we clobber as we go along.
This also means that we can delete previous partial leak fixes in this
area, i.e. the "path_to_free" accounting added by 96ec7b1e708 (Convert
resolve_ref+xstrdup to new resolve_refdup function, 2011-12-13).
There was some discussion about whether "we should retain the "const
char *" here and cast at free() time, or have it be a "char *". Since
this is not a public API with any sort of API boundary let's use
"char *", as is already being done for the "refname" member of the
same struct.
The tests to mark as passing were found with:
rm .prove; GIT_SKIP_TESTS=t0027 prove -j8 --state=save t[0-9]*.sh :: --immediate
# apply & compile this change
prove -j8 --state=failed :: --immediate
I.e. the ones that were newly passing when the --state=failed command
was run. I left out "t3040-subprojects-basic.sh" and
"t4131-apply-fake-ancestor.sh" to to optimization-level related
differences similar to the ones noted in[1], except that these would
be something the current 'linux-leaks' job would run into.
1. https://lore.kernel.org/git/cover-v3-0.6-00000000000-20211022T175227Z-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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Regression fix.
* ab/fsck-unexpected-type:
object-file: free(*contents) only in read_loose_object() caller
object-file: fix SEGV on free() regression in v2.34.0-rc2
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Regression fix.
* ps/connectivity-optim:
Revert "connected: do not sort input revisions"
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This reverts commit f45022dc2fd692fd024f2eb41a86a66f19013d43,
as this is like breakage in the traversal more likely. In a
history with 10 single strand of pearls,
1-->2-->3--...->7-->8-->9-->10
asking "rev-list --unsorted-input 1 10 --not 9 8 7 6 5 4" fails to
paint the bottom 1 uninteresting as the traversal stops, without
completing the propagation of uninteresting bit starting at 4 down
through 3 and 2 to 1.
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Fix a regression introduced in my 96e41f58fe1 (fsck: report invalid
object type-path combinations, 2021-10-01). When fsck-ing blobs larger
than core.bigFileThreshold, we'd free() a pointer to uninitialized
memory.
This issue would have been caught by SANITIZE=address, but since it
involves core.bigFileThreshold, none of the existing tests in our test
suite covered it.
Running them with the "big_file_threshold" in "environment.c" changed
to say "6" would have shown this failure, but let's add a dedicated
test for this scenario based on Han Xin's report[1].
The bug was introduced between v9 and v10[2] of the fsck series merged
in 061a21d36d8 (Merge branch 'ab/fsck-unexpected-type', 2021-10-25).
1. https://lore.kernel.org/git/20211111030302.75694-1-hanxin.hx@alibaba-inc.com/
2. https://lore.kernel.org/git/cover-v10-00.17-00000000000-20211001T091051Z-avarab@gmail.com/
Reported-by: Han Xin <chiyutianyi@gmail.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In some setups, packfile uris act as bearer token. It is not
recommended to expose them plainly in logs, although in special
circunstances (e.g. debug) it makes sense to write them.
Redact the packfile URL paths by default, unless the GIT_TRACE_REDACT
variable is set to false. This mimics the redacting of the Authorization
header in HTTP.
Signed-off-by: Ivan Frade <ifrade@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reject OpenSSH 8.7 whose "ssh-keygen -Y find-principals" is
unusable from running the ssh signature tests.
* jk/ssh-signing-fix:
t/lib-gpg: avoid broken versions of ssh-keygen
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"git pull --ff-only" and "git pull --rebase --ff-only" should make
it a no-op to attempt pulling from a remote that is behind us, but
instead the command errored out by saying it was impossible to
fast-forward, which may technically be true, but not a useful thing
to diagnose as an error. This has been corrected.
* jc/fix-pull-ff-only-when-already-up-to-date:
pull: --ff-only should make it a noop when already-up-to-date
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The "-Y find-principals" option of ssh-keygen seems to be broken in
Debian's openssh-client 1:8.7p1-1, whereas it works fine in 1:8.4p1-5.
This causes several failures for GPGSSH tests. We fulfill the
prerequisite because generating the keys works fine, but actually
verifying a signature causes results ranging from bogus results to
ssh-keygen segfaulting.
We can find the broken version during the prereq check by feeding it
empty input. This should result in it complaining to stderr, but in the
broken version it triggers the segfault, causing the GPGSSH tests to be
skipped.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix ssh-signing test to work on a platform where the default ACL is
overly loose to upset OpenSSH (reported on an installation of Cygwin).
* ad/ssh-signing-testfix:
t/lib-git.sh: fix ACL-related permissions failure
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As well as checking that the relevant functionality is available, the
GPGSSH prerequisite check creates the SSH keys that are used by the test
functions it gates. If these keys are created in a directory that
has a default Access Control List, the key files can inherit those
permissions.
This can result in a scenario where the private keys are created
successfully, so the prerequisite check passes and the tests are run,
but the key files have permissions that are too permissive, meaning
OpenSSH will refuse to load them and the tests will fail.
To avoid this happening, before creating the keys, clear any default ACL
set on the directory that will contain them. This step allowed to fail;
if setfacl isn't present, that's a very likely indicator that the
filesystem in question simply doesn't support default ACLs.
Helped-by: Fabian Stelzer <fs@gigacodes.de>
Signed-off-by: Adam Dinwoodie <adam@dinwoodie.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The strftime() function has a non-standard "%s" extension, which prints
the number of seconds since the epoch. But the "struct tm" we get has
already been adjusted for a particular time zone; going back to an epoch
time requires knowing that zone offset. Since strftime() doesn't take
such an argument, round-tripping to a "struct tm" and back to the "%s"
format may produce the wrong value (off by tz_offset seconds).
Since we're already passing in the zone offset courtesy of c3fbf81a85
(strbuf: let strbuf_addftime handle %z and %Z itself, 2017-06-15), we
can use that same value to adjust our epoch seconds accordingly.
Note that the description above makes it sound like strftime()'s "%s" is
useless (and really, the issue is shared by mktime(), which is what
strftime() would use under the hood). But it gets the two cases for
which it's designed correct:
- the result of gmtime() will have a zero offset, so no adjustment is
necessary
- the result of localtime() will be offset by the local zone offset,
and mktime() and strftime() are defined to assume this offset when
converting back (there's actually some magic here; some
implementations record this in the "struct tm", but we can't
portably access or manipulate it. But they somehow "know" whether a
"struct tm" is from gmtime() or localtime()).
This latter point means that "format-local:%s" actually works correctly
already, because in that case we rely on the system routines due to
6eced3ec5e (date: use localtime() for "-local" time formats,
2017-06-15). Our problem comes when trying to show times in the author's
zone, as the system routines provide no mechanism for converting in
non-local zones. So in those cases we have a "struct tm" that came from
gmtime(), but has been manipulated according to our offset.
The tests cover the broken round-trip by formatting "%s" for a time in a
non-system timezone. We use the made-up "+1234" here, which has two
advantages. One, we know it won't ever be the real system zone (and so
we're actually testing a case that would break). And two, since it has a
minute component, we're testing the full decoding of the +HHMM zone into
a number of seconds. Likewise, we test the "-1234" variant to make sure
there aren't any sign mistakes.
There's one final test, which covers "format-local:%s". As noted, this
already passes, but it's important to check that we didn't regress this
case. In particular, the caller in show_date() is relying on localtime()
to have done the zone adjustment, independent of any tz_offset we
compute ourselves. These should match up, since our local_tzoffset() is
likewise built around localtime(). But it would be easy for a caller to
forget to pass in a correct tz_offset to strbuf_addftime(). Fortunately
show_date() does this correctly (it has to because of the existing
handling of %z), and the test continues to pass. So this one is just
future-proofing against a change in our assumptions.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Regression fix.
* pw/rebase-r-fixes:
rebase -i: fix rewording with --committer-date-is-author-date
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Squelch over-eager warning message added during this cycle.
* jk/log-warn-on-bogus-encoding:
log: document --encoding behavior on iconv() failure
Revert "logmsg_reencode(): warn when iconv() fails"
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Doc update.
* ar/no-verify-doc:
Document positive variant of commit and merge option "--no-verify"
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"git pull --no-verify" did not affect the underlying "git merge".
* ar/fix-git-pull-no-verify:
pull: honor --no-verify and do not call the commit-msg hook
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Regression fix.
* pw/rebase-r-fixes:
rebase -i: fix rewording with --committer-date-is-author-date
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Regression fix.
* ds/add-rm-with-sparse-index:
dir: fix directory-matching bug
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Introduce the logical variable GIT_DEFAULT_BRANCH which represents the
the default branch name that will be used by "git init".
Currently this variable is equivalent to
git config init.defaultbranch || 'master'
This however will break if at one point the default branch is changed as
indicated by `default_branch_name_advice` in `refs.c`.
By providing this command ahead of time users of git can make their
code forward-compatible.
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The filter system allows for alterations to file contents when they're
moved between the database and the worktree. We already made sure that
it is possible for smudge filters to produce contents that are larger
than `unsigned long` can represent (which matters on systems where
`unsigned long` is narrower than `size_t`, most notably 64-bit Windows).
Now we make sure that clean filters can _consume_ contents that are
larger than that.
Note that this commit only allows clean filters' _input_ to be larger
than can be represented by `unsigned long`.
This change makes only a very minute dent into the much larger project
to teach Git to use `size_t` instead of `unsigned long` wherever
appropriate.
Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Matt Cooper <vtbassmatt@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There is mixed use of size_t and unsigned long to deal with sizes in the
codebase. Recall that Windows defines unsigned long as 32 bits even on
64-bit platforms, meaning that converting size_t to unsigned long narrows
the range. This mostly doesn't cause a problem since Git rarely deals
with files larger than 2^32 bytes.
But adjunct systems such as Git LFS, which use smudge/clean filters to
keep huge files out of the repository, may have huge file contents passed
through some of the functions in entry.c and convert.c. On Windows, this
results in a truncated file being written to the workdir. I traced this to
one specific use of unsigned long in write_entry (and a similar instance
in write_pc_item_to_fd for parallel checkout). That appeared to be for
the call to read_blob_entry, which expects a pointer to unsigned long.
By altering the signature of read_blob_entry to expect a size_t,
write_entry can be switched to use size_t internally (which all of its
callers and most of its callees already used). To avoid touching dozens of
additional files, read_blob_entry uses a local unsigned long to call a
chain of functions which aren't prepared to accept size_t.
Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Matt Cooper <vtbassmatt@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The filter system allows for alterations to file contents when they're
added to the database or working tree. ("Smudge" when moving to the
working tree; "clean" when moving to the database.) This is used
natively to handle CRLF to LF conversions. It's also employed by Git-LFS
to replace large files from the working tree with small tracking files
in the repo and vice versa.
Git reads the entire smudged file into memory to convert it into a
"clean" form to be used in-core. While this is inefficient, there's a
more insidious problem on some platforms due to inconsistency between
using unsigned long and size_t for the same type of data (size of a file
in bytes). On most 64-bit platforms, unsigned long is 64 bits, and
size_t is typedef'd to unsigned long. On Windows, however, unsigned long
is only 32 bits (and therefore on 64-bit Windows, size_t is typedef'd to
unsigned long long in order to be 64 bits).
Practically speaking, this means 64-bit Windows users of Git-LFS can't
handle files larger than 2^32 bytes. Other 64-bit platforms don't suffer
this limitation.
This commit introduces a test exposing the issue; future commits make it
pass. The test simulates the way Git-LFS works by having a tiny file
checked into the repository and expanding it to a huge file on checkout.
Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Matt Cooper <vtbassmatt@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allow tests that assume a 64-bit `size_t` to be skipped in 32-bit
platforms and regardless of the size of `long`.
This imitates the `LONG_IS_64BIT` prerequisite.
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In this developer's tests, producing one gigabyte worth of NULs in a
busy loop that writes out individual bytes, unbuffered, took ~27sec.
Writing chunked 256kB buffers instead only took ~0.6sec
This matters because we are about to introduce a pair of test cases that
want to be able to produce 5GB of NULs, and we cannot use `/dev/zero`
because of the HP NonStop platform's lack of support for that device.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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d5cfd142ec (tests: teach the test-tool to generate NUL bytes and
use it, 2019-02-14), add a way to generate zeroes in a portable
way without using /dev/zero (needed by HP NonStop), but uses a
long variable that is limited to 2^31 in Windows.
Use instead a (POSIX/C99) intmax_t that is at least 64bit wide
in 64-bit Windows to use in a future test.
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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