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These tests exercises writing commit graph with Bloom filters
and exercises 'git log -- path' with all the applicable
options. They check that the output is the same with and
without Bloom filters, confirm Bloom filters were used by
checking if trace2 statistics were logged correctly.
Also confirms cases where Bloom filters are not used:
1. Multiple path specs,
2. --walk-reflogs (see patch titled 'revision.c: use Bloom filters...'
for details,
3. If the latest commit graph does not have Bloom filters
Signed-off-by: Garima Singh <garima.singh@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add logic to
a) parse Bloom filter information from the commit graph file and,
b) re-use existing Bloom filters.
See Documentation/technical/commit-graph-format for the format in which
the Bloom filter information is written to the commit graph file.
To read Bloom filter for a given commit with lexicographic position
'i' we need to:
1. Read BIDX[i] which essentially gives us the starting index in BDAT for
filter of commit i+1. It is essentially the index past the end
of the filter of commit i. It is called end_index in the code.
2. For i>0, read BIDX[i-1] which will give us the starting index in BDAT
for filter of commit i. It is called the start_index in the code.
For the first commit, where i = 0, Bloom filter data starts at the
beginning, just past the header in the BDAT chunk. Hence, start_index
will be 0.
3. The length of the filter will be end_index - start_index, because
BIDX[i] gives the cumulative 8-byte words including the ith
commit's filter.
We toggle whether Bloom filters should be recomputed based on the
compute_if_not_present flag.
Helped-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Garima Singh <garima.singh@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add the core implementation for computing Bloom filters for
the paths changed between a commit and it's first parent.
We fill the Bloom filters as (const char *data, int len) pairs
as `struct bloom_filters" within a commit slab.
Filters for commits with no changes and more than 512 changes,
is represented with a filter of length zero. There is no gain
in distinguishing between a computed filter of length zero for
a commit with no changes, and an uncomputed filter for new commits
or for commits with more than 512 changes. The effect on
`git log -- path` is the same in both cases. We will fall back to
the normal diffing algorithm when we can't benefit from the
existence of Bloom filters.
Helped-by: Jeff King <peff@peff.net>
Helped-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Jakub Narębski <jnareb@gmail.com>
Signed-off-by: Garima Singh <garima.singh@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce the constructs for Bloom filters, Bloom filter keys
and Bloom filter settings.
For details on what Bloom filters are and how they work, refer
to Dr. Derrick Stolee's blog post [1]. It provides a concise
explanation of the adoption of Bloom filters as described in
[2] and [3].
Implementation specifics:
1. We currently use 7 and 10 for the number of hashes and the
size of each entry respectively. They served as great starting
values, the mathematical details behind this choice are
described in [1] and [4]. The implementation, while not
completely open to it at the moment, is flexible enough to allow
for tweaking these settings in the future.
Note: The performance gains we have observed with these values
are significant enough that we did not need to tweak these
settings. The performance numbers are included in the cover letter
of this series and in the commit message of the subsequent commit
where we use Bloom filters to speed up `git log -- path`.
2. As described in [1] and [3], we do not need 7 independent hashing
functions. We use the Murmur3 hashing scheme, seed it twice and
then combine those to procure an arbitrary number of hash values.
3. The filters will be sized according to the number of changes in
each commit, in multiples of 8 bit words.
[1] Derrick Stolee
"Supercharging the Git Commit Graph IV: Bloom Filters"
https://devblogs.microsoft.com/devops/super-charging-the-git-commit-graph-iv-Bloom-filters/
[2] Flavio Bonomi, Michael Mitzenmacher, Rina Panigrahy, Sushil Singh, George Varghese
"An Improved Construction for Counting Bloom Filters"
http://theory.stanford.edu/~rinap/papers/esa2006b.pdf
https://doi.org/10.1007/11841036_61
[3] Peter C. Dillinger and Panagiotis Manolios
"Bloom Filters in Probabilistic Verification"
http://www.ccs.neu.edu/home/pete/pub/Bloom-filters-verification.pdf
https://doi.org/10.1007/978-3-540-30494-4_26
[4] Thomas Mueller Graf, Daniel Lemire
"Xor Filters: Faster and Smaller Than Bloom and Cuckoo Filters"
https://arxiv.org/abs/1912.08258
Helped-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Jakub Narębski <jnareb@gmail.com>
Signed-off-by: Garima Singh <garima.singh@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In preparation for computing changed paths Bloom filters,
implement the Murmur3 hash algorithm as described in [1].
It hashes the given data using the given seed and produces
a uniformly distributed hash value.
[1] https://en.wikipedia.org/wiki/MurmurHash#Algorithm
Helped-by: Derrick Stolee <dstolee@microsoft.com>
Helped-by: Szeder Gábor <szeder.dev@gmail.com>
Reviewed-by: Jakub Narębski <jnareb@gmail.com>
Signed-off-by: Garima Singh <garima.singh@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'pack.useSparse' configuration variable now defaults to 'true',
enabling an optimization that has been experimental since Git 2.21.
* ds/default-pack-use-sparse-to-true:
pack-objects: flip the use of GIT_TEST_PACK_SPARSE
config: set pack.useSparse=true by default
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"git pull" learned to warn when no pull.rebase configuration
exists, and neither --[no-]rebase nor --ff-only is given (which
would result a merge).
* ah/force-pull-rebase-configuration:
pull: warn if the user didn't say whether to rebase or to merge
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"git stash" has kept an escape hatch to use the scripted version
for a few releases, which got stale. It has been removed.
* tg/retire-scripted-stash:
stash: remove the stash.useBuiltin setting
stash: get git_stash_config at the top level
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When "git describe C" finds an annotated tag with tagname A to be
the best name to explain commit C, and the tag is stored in a
"wrong" place in the refs/tags hierarchy, e.g. refs/tags/B, the
command gave a warning message but used A (not B) to describe C.
If C is exactly at the tag, the describe output would be "A", but
"git rev-parse A^0" would not be equal as "git rev-parse C^0". The
behavior of the command has been changed to use the "long" form
i.e. A-0-gOBJECTNAME, which is correctly interpreted by rev-parse.
* jc/describe-misnamed-annotated-tag:
describe: force long format for a name based on a mislocated tag
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The "--fork-point" mode of "git rebase" regressed when the command
was rewritten in C back in 2.20 era, which has been corrected.
* at/rebase-fork-point-regression-fix:
rebase: --fork-point regression fix
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Provide more information (e.g. the object of the tree-ish in which
the blob being converted appears, in addition to its path, which
has already been given) to smudge/clean conversion filters.
* bc/filter-process:
t0021: test filter metadata for additional cases
builtin/reset: compute checkout metadata for reset
builtin/rebase: compute checkout metadata for rebases
builtin/clone: compute checkout metadata for clones
builtin/checkout: compute checkout metadata for checkouts
convert: provide additional metadata to filters
convert: permit passing additional metadata to filter processes
builtin/checkout: pass branch info down to checkout_worktree
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The code to interface with GnuPG has been refactored.
* hi/gpg-prefer-check-signature:
gpg-interface: prefer check_signature() for GPG verification
t: increase test coverage of signature verification output
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SHA-256 transition continues.
* bc/sha-256-part-1-of-4: (22 commits)
fast-import: add options for rewriting submodules
fast-import: add a generic function to iterate over marks
fast-import: make find_marks work on any mark set
fast-import: add helper function for inserting mark object entries
fast-import: permit reading multiple marks files
commit: use expected signature header for SHA-256
worktree: allow repository version 1
init-db: move writing repo version into a function
builtin/init-db: add environment variable for new repo hash
builtin/init-db: allow specifying hash algorithm on command line
setup: allow check_repository_format to read repository format
t/helper: make repository tests hash independent
t/helper: initialize repository if necessary
t/helper/test-dump-split-index: initialize git repository
t6300: make hash algorithm independent
t6300: abstract away SHA-1-specific constants
t: use hash-specific lookup tables to define test constants
repository: require a build flag to use SHA-256
hex: add functions to parse hex object IDs in any algorithm
hex: introduce parsing variants taking hash algorithms
...
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Fix "git checkout --recurse-submodules" of a nested submodule
hierarchy.
* pb/recurse-submodules-fix:
t/lib-submodule-update: add test removing nested submodules
unpack-trees: check for missing submodule directory in merged_entry
unpack-trees: remove outdated description for verify_clean_submodule
t/lib-submodule-update: move a test to the right section
t/lib-submodule-update: remove outdated test description
t7112: remove mention of KNOWN_FAILURE_SUBMODULE_RECURSIVE_NESTED
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The mechanism to prevent "git commit" from making an empty commit
or amending during an interrupted cherry-pick was broken during the
rewrite of "git rebase" in C, which has been corrected.
* pw/advise-rebase-skip:
commit: give correct advice for empty commit during a rebase
commit: encapsulate determine_whence() for sequencer
commit: use enum value for multiple cherry-picks
sequencer: write CHERRY_PICK_HEAD for reword and edit
cherry-pick: check commit error messages
cherry-pick: add test for `--skip` advice in `git commit`
t3404: use test_cmp_rev
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The real_path() convenience function can easily be misused; with a
bit of code refactoring in the callers' side, its use has been
eliminated.
* am/real-path-fix:
get_superproject_working_tree(): return strbuf
real_path_if_valid(): remove unsafe API
real_path: remove unsafe API
set_git_dir: fix crash when used with real_path()
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Revamping of the advise API to allow more systematic enumeration of
advice knobs in the future.
* hw/advise-ng:
tag: use new advice API to check visibility
advice: revamp advise API
advice: change "setupStreamFailure" to "setUpstreamFailure"
advice: extract vadvise() from advise()
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Test fix.
* en/rebase-backend:
t3419: prevent failure when run with EXPENSIVE
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This test runs a function which itself runs several assertions. The
last of these assertions cleans up the .git/rebase-apply directory,
since when run with EXPENSIVE set, the function is invoked a second time
to run the same tests with a larger data set.
However, as of 2ac0d6273f ("rebase: change the default backend from "am"
to "merge"", 2020-02-15), the default backend of rebase has changed, and
cleaning up the rebase-apply directory has no effect: it no longer
exists, since we're using rebase-merge instead.
Since we don't really care which rebase backend is in use, let's just
use the command "git rebase --quit", which will do the right thing
regardless.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The environment variable GIT_TEST_PACK_SPARSE was previously used
to allow testing the --sparse option for "git pack-objects" in
the test suite. This allowed interesting cases of "git push" to
also test this algorithm.
Since pack.useSparse is now true by default, we do not need this
variable to _enable_ the --sparse option, but instead to _disable_
it. This flips how we work with the variable a bit.
When checking for the variable, default to a value of -1 for
"unset". If unset, then take the default from the repo settings,
which is currently 1. Then, the --[no-]sparse command-line option
will override either of these settings.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The pack.useSparse config option was introduced by 3d036eb0
(pack-objects: create pack.useSparse setting, 2019-01-19) and was
first available in v2.21.0. When enabled, the pack-objects process
during 'git push' will use a sparse tree walk when deciding which
trees and blobs to send to the remote. The algorithm was introduced
by d5d2e93 (revision: implement sparse algorithm, 2019-01-16) and
has been in production use by VFS for Git since around that time.
The features.experimental config option also enabled pack.useSparse,
so hopefully that has also increased exposure.
It is worth noting that pack.useSparse has a possibility of
sending more objects across a push, but requires a special
arrangement of exact _copies_ across directories. There is a test
in t5322-pack-objects-sparse.sh that demonstrates this possibility.
This test uses the --sparse option to "git pack-objects" but we
can make it implied by the config value to demonstrate that the
default value has changed.
While updating that test, I noticed that the documentation did not
include an option for --no-sparse, which is now more important than
it was before.
Since the downside is unlikely but the upside is significant, set
the default value of pack.useSparse to true. Remove it from the
set of options implied by features.experimental.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test fixes.
* en/test-cleanup:
t6022, t6046: fix flaky files-are-updated checks
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An earlier update to show the location of working tree in the error
message did not consider the possibility that a git command may be
run in a bare repository, which has been corrected.
* es/outside-repo-errmsg-hints:
prefix_path: show gitdir if worktree unavailable
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Check that we get the expected data when performing a merges or
generating archives. Note that we don't expect a ref for merges,
because we won't be checking out any particular ref, but instead a tree
of the merged data. For archives, however, we expect a ref as normal if
we have one.
Signed-off-by: brian m. carlson <bk2204@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Pass the commit, and if we have it, the ref to the filters when we
perform a checkout. This should only be the case when we invoke git
reset --hard; the metadata will be unused otherwise.
Signed-off-by: brian m. carlson <bk2204@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: brian m. carlson <bk2204@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When checking out a commit, provide metadata to the filter process
including the ref we're using.
Signed-off-by: brian m. carlson <bk2204@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Provide commit metadata for checkout code paths that use unpack_trees
and friends. When we're checking out a commit, use the commit
information, but don't provide commit information if we're checking out
from the index, since there need not be any particular commit associated
with the index, and even if there is one, we can't know what it is.
Signed-off-by: brian m. carlson <bk2204@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that we have the codebase wired up to pass any additional metadata
to filters, let's collect the additional metadata that we'd like to
pass.
The two main places we pass this metadata are checkouts and archives.
In these two situations, reading HEAD isn't a valid option, since HEAD
isn't updated for checkouts until after the working tree is written and
archives can accept an arbitrary tree. In other situations, HEAD will
usually reflect the refname of the branch in current use.
We pass a smaller amount of data in other cases, such as git cat-file,
where we can really only logically know about the blob.
This commit updates only the parts of the checkout code where we don't
use unpack_trees. That function and callers of it will be handled in a
future commit.
In the archive code, we leak a small amount of memory, since nothing we
pass in the archiver argument structure is freed.
Signed-off-by: brian m. carlson <bk2204@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There weren't any tests for unsuccessful signature verification of
signed merge tags shown in 'git log'. There also weren't any tests for
the GPG output from 'git fmt-merge-msg'. This was noticed while
investigating a buggy refactor that slipped through the test suite; see
commit 72b006f4bfd30b7c5037c163efaf279ab65bea9c.
This commit adds signature verification tests to the 'log' and
'fmt-merge-msg' builtins.
Thanks to Linus Torvalds for reporting and finding the (now reverted)
commit that introduced the regression.
Note that the "log --show-signature for merged tag with GPG failure"
test case is really hacky. It relies on an implementation detail of
verify_signed_buffer() -- namely, it assumes that the signature is
written to a temporary file whose path is under TMPDIR.
The rationale for that test case is to check whether the code path that
yields the "No signature" message is reachable on failure. The
functionality in log-tree.c that may show this message does some
pre-parsing of a possible signature that prevents the GPG interface from
being invoked if a signature is actually missing. And I haven't been
able to construct a signature that both 1. satisfies that
pre-processing, and 2. causes GPG to fail without any sort of output on
stderr along the lines of "this is a bogus/corrupt/... signature" (the
"No signature" message should only be shown if GPG produce no output).
Signed-off-by: Hans Jerry Illikainen <hji@dyntopia.com>
[jc: fixed missing test title noticed by Dscho]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If there is no worktree at present, we can still hint the user about
Git's current directory by showing them the absolute path to the Git
directory. Even though the Git directory doesn't make it as easy to
locate the worktree in question, it can still help a user figure out
what's going on while developing a script.
This fixes a segmentation fault introduced in e0020b2f
("prefix_path: show gitdir when arg is outside repo", 2020-02-14).
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
[jc: added minimum tests, with help from Szeder Gábor]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Several tests wanted to verify that files were actually modified by a
merge, which it would do by checking that the mtime was updated. In
order to avoid problems with the merge completing so fast that the mtime
at the beginning and end of the operation was the same, these tests
would first set the mtime of a file to something "old". This "old"
value was usually determined as current system clock minus one second,
truncated to the nearest integer. Unfortunately, it appears the system
clock and filesystem clock are different and comparing across the two
runs into race problems resulting in flaky tests.
From https://stackoverflow.com/questions/14392975/timestamp-accuracy-on-ext4-sub-millsecond:
date will call the gettimeofday system call which will always return
the most accurate time available based on the cached kernel time,
adjusted by the CPU cycle time if available to give nanosecond
resolution. The timestamps stored in the file system however, are
only based on the cached kernel time. ie The time calculated at the
last timer interrupt.
and from https://apenwarr.ca/log/20181113:
Does mtime get set to >= the current time?
No, this depends on clock granularity. For example, gettimeofday()
can return times in microseconds on my system, but ext4 rounds
timestamps down to the previous ~10ms (but not exactly 10ms)
increment, with the surprising result that a newly-created file is
almost always created in the past:
$ python -c "
import os, time
t0 = time.time()
open('testfile', 'w').close()
print os.stat('testfile').st_mtime - t0
"
-0.00234484672546
So, instead of trying to compare across what are effectively two
different clocks, just avoid using the system clock. Any new updates to
files have to give an mtime at least as big as what is already in the
file, so we could define "old" as one second before the mtime found in
the file before the merge starts. But, to avoid problems with leap
seconds, ntp updates, filesystems that only provide two second
resolution, and other such weirdness, let's just pick an hour before the
mtime found in the file before the merge starts.
Also, clarify in one test where we check the mtime of different files
that it really was intentional. I totally forgot the reasons for that
and assumed it was a bug when asked.
Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Band-aid fixes for two fallouts from switching the default "rebase"
backend.
* en/rebase-backend:
git-rebase.txt: highlight backend differences with commit rewording
sequencer: clear state upon dropping a become-empty commit
i18n: unmark a message in rebase.c
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In commit e98c4269c8 ("rebase (interactive-backend): fix handling of
commits that become empty", 2020-02-15), the merge backend was changed
to drop commits that did not start empty but became so after being
applied (because their changes were a subset of what was already
upstream). This new code path did not need to go through the process of
creating a commit, since we were dropping the commit instead.
Unfortunately, this also means we bypassed the clearing of the
CHERRY_PICK_HEAD and MERGE_MSG files, which if there were no further
commits to cherry-pick would mean that the rebase would end but assume
there was still an operation in progress. Ensure that we clear such
state files when we decide to drop the commit.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test fix.
* ds/sparse-add:
t1091: don't grep for `strerror()` string
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Often novice Git users forget to say "pull --rebase" and end up with an
unnecessary merge from upstream. What they usually want is either "pull
--rebase" in the simpler cases, or "pull --ff-only" to update the copy
of main integration branches, and rebase their work separately. The
pull.rebase configuration variable exists to help them in the simpler
cases, but there is no mechanism to make these users aware of it.
Issue a warning message when no --[no-]rebase option from the command
line and no pull.rebase configuration variable is given. This will
inconvenience those who never want to "pull --rebase", who haven't had
to do anything special, but the cost of the inconvenience is paid only
once per user, which should be a reasonable cost to help a number of new
users.
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Returning a shared buffer invites very subtle bugs due to reentrancy or
multi-threading, as demonstrated by the previous patch.
There was an unfinished effort to abolish this [1].
Let's finally rid of `real_path()`, using `strbuf_realpath()` instead.
This patch uses a local `strbuf` for most places where `real_path()` was
previously called.
However, two places return the value of `real_path()` to the caller. For
them, a `static` local `strbuf` was added, effectively pushing the
problem one level higher:
read_gitfile_gently()
get_superproject_working_tree()
[1] https://lore.kernel.org/git/1480964316-99305-1-git-send-email-bmwill@google.com/
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git show" and others gave an object name in raw format in its
error output, which has been corrected to give it in hex.
* hd/show-one-mergetag-fix:
show_one_mergetag: print non-parent in hex form.
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Test cleanup.
* en/test-cleanup:
t6020: new test with interleaved lexicographic ordering of directories
t6022, t6046: test expected behavior instead of testing a proxy for it
t3035: prefer test_must_fail to bash negation for git commands
t6020, t6022, t6035: update merge tests to use test helper functions
t602[1236], t6034: modernize test formatting
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Handling of conflicting renames in merge-recursive have further
been made consistent with how existing codepaths try to mimic what
is done to add/add conflicts.
* en/merge-path-collision:
merge-recursive: apply collision handling unification to recursive case
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Code cleanup.
* rj/t1050-use-test-path-is-file:
t1050: replace test -f with test_path_is_file
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"git am --short-current-patch" is a way to show the piece of e-mail
for the stopped step, which is not suitable to directly feed "git
apply" (it is designed to be a good "git am" input). It learned a
new option to show only the patch part.
* pb/am-show-current-patch:
am: support --show-current-patch=diff to retrieve .git/rebase-apply/patch
am: support --show-current-patch=raw as a synonym for--show-current-patch
am: convert "resume" variable to a struct
parse-options: convert "command mode" to a flag
parse-options: add testcases for OPT_CMDMODE()
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"git rm" and "git stash" learns the new "--pathspec-from-file"
option.
* am/pathspec-f-f-more:
stash push: support the --pathspec-from-file option
stash: eliminate crude option parsing
doc: stash: synchronize <pathspec> description
doc: stash: document more options
doc: stash: split options from description (2)
doc: stash: split options from description (1)
rm: support the --pathspec-from-file option
doc: rm: synchronize <pathspec> description
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We grep for "File exists" in stderr of the failing `git sparse-checkout`
to make sure that it failed for the right reason. We expect the string
to show up there since we call `strerror(errno)` in
`unable_to_lock_message()` in lockfile.c.
On the NonStop platform, this fails because the error string is "File
already exists", which doesn't match our grepping.
See 9042140097 ("test-dir-iterator: do not assume errno values",
2019-07-30) for a somewhat similar fix. There, we patched a test helper,
which meant we had access to `errno` and could investigate it better in
the test helper instead of just outputting the numerical value and
evaluating it in the test script. The current situation is different,
since (short of modifying the lockfile machinery, e.g., to be more
verbose) we don't have more than the output from `strerror()` available.
Except we do: We prefix `strerror(errno)` with `_("Unable to create
'%s.lock': ")`. Let's grep for that part instead. It verifies that we
were indeed unable to create the lock file. (If that fails for some
other reason than the file existing, we really really should expect
other tests to fail as well.)
An alternative fix would be to loosen the expression a bit and grep for
"File.* exists" instead. There would be no guarantee that some other
implementation couldn't come up with another error string, That is, that
could be the first move in an endless game of whack-a-mole. Of course,
it could also take us from "99" to "100" percent of the platforms and
we'd never have this problem again. But since we have another way of
addressing this, let's not even try the "loosen it up a bit" strategy.
Reported-by: Randall S. Becker <rsbecker@nexbridge.com>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Acked-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove the stash.useBuiltin setting which was added as an escape hatch
to disable the builtin version of stash first released with Git 2.22.
Carrying the legacy version is a maintenance burden, and has in fact
become out of date failing a test since the 2.23 release, without
anyone noticing until now. So users would be getting a hint to fall
back to a potentially buggy version of the tool.
We used to shell out to git config to get the useBuiltin configuration
to avoid changing any global state before spawning legacy-stash.
However that is no longer necessary, so just use the 'git_config'
function to get the setting instead.
Similar to what we've done in d03ebd411c ("rebase: remove the
rebase.useBuiltin setting", 2019-03-18), where we remove the
corresponding setting for rebase, we leave the documentation in place,
so people can refer back to it when searching for it online, and so we
can refer to it in the commit message.
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We recently switched to using Perl instead of `sed` in the httpd-based
tests. Let's reflect that in the label we give the corresponding commit
hashes.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Updates to the CI settings.
* js/ci-windows-update:
Azure Pipeline: switch to the latest agent pools
ci: prevent `perforce` from being quarantined
t/lib-httpd: avoid using macOS' sed
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"git describe" in a repository with multiple root commits sometimes
gave up looking for the best tag to describe a given commit with
too early, which has been adjusted.
* be/describe-multiroot:
describe: don't abort too early when searching tags
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"git clone --recurse-submodules --single-branch" now uses the same
single-branch option when cloning the submodules.
* es/recursive-single-branch-clone:
clone: pass --single-branch during --recurse-submodules
submodule--helper: use C99 named initializer
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"git rebase BASE BRANCH" rebased/updated the tip of BRANCH and
checked it out, even when the BRANCH is checked out in a different
worktree. This has been corrected.
* es/do-not-let-rebase-switch-to-protected-branch:
rebase: refuse to switch to branch already checked out elsewhere
t3400: make test clean up after itself
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Garima Singh
Junio C Hamano
brian m. carlson
Derrick Stolee
brian m. carlson
Hans Jerry Illikainen
Emily Shaffer
Elijah Newren
Alex Henrie
Alexandr Miloslavskiy
Martin Ågren
Thomas Gummerer
Johannes Schindelin