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When the reachability bitmap is in effect, the "do not lose
recently created objects and those that are reachable from them"
safety to protect us from races were disabled by mistake, which has
been corrected.
* jk/prune-with-bitmap-fix:
prune: save reachable-from-recent objects with bitmaps
pack-bitmap: clean up include_check after use
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Tweak a few tests for "log --format=..." that show timestamps in
various formats.
* ab/pretty-date-format-tests:
pretty tests: give --date/format tests a better description
pretty tests: simplify %aI/%cI date format test
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"git --config-env var=val cmd" weren't accepted (only
--config-env=var=val was).
* ps/config-env-option-with-separate-value:
git: support separate arg for `--config-env`'s value
git.txt: fix synopsis of `--config-env` missing the equals sign
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"git log" learned "--diff-merges=<style>" option, with an
associated configuration variable log.diffMerges.
* so/log-diff-merge:
doc/diff-options: document new --diff-merges features
diff-merges: introduce log.diffMerges config variable
diff-merges: adapt -m to enable default diff format
diff-merges: refactor set_diff_merges()
diff-merges: introduce --diff-merges=on
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Builds on top of the sparse-index infrastructure to mark operations
that are not ready to mark with the sparse index, causing them to
fall back on fully-populated index that they always have worked with.
* ds/sparse-index-protections: (47 commits)
name-hash: use expand_to_path()
sparse-index: expand_to_path()
name-hash: don't add directories to name_hash
revision: ensure full index
resolve-undo: ensure full index
read-cache: ensure full index
pathspec: ensure full index
merge-recursive: ensure full index
entry: ensure full index
dir: ensure full index
update-index: ensure full index
stash: ensure full index
rm: ensure full index
merge-index: ensure full index
ls-files: ensure full index
grep: ensure full index
fsck: ensure full index
difftool: ensure full index
commit: ensure full index
checkout: ensure full index
...
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The prefetch task in "git maintenance" assumed that "git fetch"
from any remote would fetch all its local branches, which would
fetch too much if the user is interested in only a subset of
branches there.
* ds/maintenance-prefetch-fix:
maintenance: respect remote.*.skipFetchAll
maintenance: use 'git fetch --prefetch'
fetch: add --prefetch option
maintenance: simplify prefetch logic
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"git push --quiet --set-upstream" was not quiet when setting the
upstream branch configuration, which has been corrected.
* ow/push-quiet-set-upstream:
transport: respect verbosity when setting upstream
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Handling of "promisor packs" that allows certain objects to be
missing and lazily retrievable has been optimized (a bit).
* jk/promisor-optim:
revision: avoid parsing with --exclude-promisor-objects
lookup_unknown_object(): take a repository argument
is_promisor_object(): free tree buffer after parsing
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While not documented as such, many of the top-level options like
`--git-dir` and `--work-tree` support two syntaxes: they accept both an
equals sign between option and its value, and they do support option and
value as two separate arguments. The recently added `--config-env`
option only supports the syntax with an equals sign.
Mitigate this inconsistency by accepting both syntaxes and add tests to
verify both work.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We pass our prune expiration to mark_reachable_objects(), which will
traverse not only the reachable objects, but consider any recent ones as
tips for reachability; see d3038d22f9 (prune: keep objects reachable
from recent objects, 2014-10-15) for details.
However, this interacts badly with the bitmap code path added in
fde67d6896 (prune: use bitmaps for reachability traversal, 2019-02-13).
If we hit the bitmap-optimized path, we return immediately to avoid the
regular traversal, accidentally skipping the "also traverse recent"
code.
Instead, we should do an if-else for the bitmap versus regular
traversal, and then follow up with the "recent" traversal in either
case. This reuses the "rev_info" for a bitmap and then a regular
traversal, but that should work OK (the bitmap code clears the pending
array in the usual way, just like a regular traversal would).
Note that I dropped the comment above the regular traversal here. It
has little explanatory value, and makes the if-else logic much harder to
read.
Here are a few variants that I rejected:
- it seems like both the reachability and recent traversals could be
done in a single traversal. This was rejected by d3038d22f9 (prune:
keep objects reachable from recent objects, 2014-10-15), though the
balance may be different when using bitmaps. However, there's a
subtle correctness issue, too: we use revs->ignore_missing_links for
the recent traversal, but not the reachability one.
- we could try using bitmaps for the recent traversal, too, which
could possibly improve performance. But it would require some fixes
in the bitmap code, which uses ignore_missing_links for its own
purposes. Plus it would probably not help all that much in practice.
We use the reachable tips to generate bitmaps, so those objects are
likely not covered by bitmaps (unless they just became unreachable).
And in general, we expect the set of unreachable objects to be much
smaller anyway, so there's less to gain.
The test in t5304 detects the bug and confirms the fix.
I also beefed up the tests in t6501, which covers the mtime-checking
code more thoroughly, to handle the bitmap case (in addition to just
"loose" and "packed" cases). Interestingly, this test doesn't actually
detect the bug, because it is running "git gc", and not "prune"
directly. And "gc" will call "repack" first, which does not suffer the
same bug. So the old-but-reachable-from-recent objects get scooped up
into the new pack along with the actually-recent objects, which gives
both a recent mtime. But it seemed prudent to get more coverage of the
bitmap case for related code.
Reported-by: David Emett <dave@sp4m.net>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the description for the --date/format equivalency tests added
in 466fb6742d7 (pretty: provide a strict ISO 8601 date format,
2014-08-29) and 0df621172d8 (pretty: provide short date format,
2019-11-19) to be more meaningful.
This allows us to reword the comment added in the former commit to
refer to both tests, and any other future test, such as the in-flight
--date=human format being proposed in [1].
1. http://lore.kernel.org/git/pull.939.v2.git.1619275340051.gitgitgadget@gmail.com
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change a needlessly complex test for the %aI/%cI date
formats (iso-strict) added in 466fb6742d7 (pretty: provide a strict
ISO 8601 date format, 2014-08-29) to instead use the same pattern used
to test %as/%cs since 0df621172d8 (pretty: provide short date format,
2019-11-19).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test clean-up.
* ab/detox-gettext-tests:
tests: remove all uses of test_i18cmp
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When "git pack-objects" makes a literal copy of a part of existing
packfile using the reachability bitmaps, its update to the progress
meter was broken.
* jk/pack-objects-bitmap-progress-fix:
pack-objects: update "nr_seen" progress based on pack-reused count
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A bit of code clean-up and a lot of test clean-up around userdiff
area.
* ab/userdiff-tests:
blame tests: simplify userdiff driver test
blame tests: don't rely on t/t4018/ directory
userdiff: remove support for "broken" tests
userdiff tests: list builtin drivers via test-tool
userdiff tests: explicitly test "default" pattern
userdiff: add and use for_each_userdiff_driver()
userdiff style: normalize pascal regex declaration
userdiff style: declare patterns with consistent style
userdiff style: re-order drivers in alphabetical order
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Userdiff patterns for "Scheme" has been added.
* ar/userdiff-scheme:
userdiff: add support for Scheme
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New log.diffMerges configuration variable sets the format that
--diff-merges=on will be using. The default is "separate".
t4013: add the following tests for log.diffMerges config:
* Test that wrong values are denied.
* Test that the value of log.diffMerges properly affects both
--diff-merges=on and -m.
t9902: fix completion tests for log.d* to match log.diffMerges.
Added documentation for log.diffMerges.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce the notion of default diff format for merges, and the option
"on" to select it. The default format is "separate" and can't yet
be changed, so effectively "on" is just a synonym for "separate"
for now. Add corresponding test to t4013.
This is in preparation for introducing log.diffMerges configuration
option that will let --diff-merges=on to be configured to any
supported format.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Plug the ort merge backend throughout the rest of the system, and
start testing it as a replacement for the recursive backend.
* en/ort-readiness:
Add testing with merge-ort merge strategy
t6423: mark remaining expected failure under merge-ort as such
Revert "merge-ort: ignore the directory rename split conflict for now"
merge-recursive: add a bunch of FIXME comments documenting known bugs
merge-ort: write $GIT_DIR/AUTO_MERGE whenever we hit a conflict
t: mark several submodule merging tests as fixed under merge-ort
merge-ort: implement CE_SKIP_WORKTREE handling with conflicted entries
t6428: new test for SKIP_WORKTREE handling and conflicts
merge-ort: support subtree shifting
merge-ort: let renormalization change modify/delete into clean delete
merge-ort: have ll_merge() use a special attr_index for renormalization
merge-ort: add a special minimal index just for renormalization
merge-ort: use STABLE_QSORT instead of QSORT where required
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If a remote has the skipFetchAll setting enabled, then that remote is
not intended for frequent fetching. It makes sense to not fetch that
data during the 'prefetch' maintenance task. Skip that remote in the
iteration without error. The skip_default_update member is initialized
in remote.c:handle_config() as part of initializing the 'struct remote'.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'prefetch' maintenance task previously forced the following refspec
for each remote:
+refs/heads/*:refs/prefetch/<remote>/*
If a user has specified a more strict refspec for the remote, then this
prefetch task downloads more objects than necessary.
The previous change introduced the '--prefetch' option to 'git fetch'
which manipulates the remote's refspec to place all resulting refs into
refs/prefetch/, with further partitioning based on the destinations of
those refspecs.
Update the documentation to be more generic about the destination refs.
Do not mention custom refspecs explicitly, as that does not need to be
highlighted in this documentation. The important part of placing refs in
refs/prefetch/ remains.
Reported-by: Tom Saeger <tom.saeger@oracle.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --prefetch option will be used by the 'prefetch' maintenance task
instead of sending refspecs explicitly across the command-line. The
intention is to modify the refspec to place all results in
refs/prefetch/ instead of anywhere else.
Create helper method filter_prefetch_refspec() to modify a given refspec
to fit the rules expected of the prefetch task:
* Negative refspecs are preserved.
* Refspecs without a destination are removed.
* Refspecs whose source starts with "refs/tags/" are removed.
* Other refspecs are placed within "refs/prefetch/".
Finally, we add the 'force' option to ensure that prefetch refs are
replaced as necessary.
There are some interesting cases that are worth testing.
An earlier version of this change dropped the "i--" from the loop that
deletes a refspec item and shifts the remaining entries down. This
allowed some refspecs to not be modified. The subtle part about the
first --prefetch test is that the "refs/tags/*" refspec appears directly
before the "refs/heads/bogus/*" refspec. Without that "i--", this
ordering would remove the "refs/tags/*" refspec and leave the last one
unmodified, placing the result in "refs/heads/*".
It is possible to have an empty refspec. This is typically the case for
remotes other than the origin, where users want to fetch a specific tag
or branch. To correctly test this case, we need to further remove the
upstream remote for the local branch. Thus, we are testing a refspec
that will be deleted, leaving nothing to fetch.
Helped-by: Tom Saeger <tom.saeger@oracle.com>
Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git apply" now takes "--3way" and "--cached" at the same time, and
work and record results only in the index.
* jz/apply-3way-cached:
git-apply: allow simultaneous --cached and --3way options
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"git apply --3way" has always been "to fall back to 3-way merge
only when straight application fails". Swap the order of falling
back so that 3-way is always attempted first (only when the option
is given, of course) and then straight patch application is used as
a fallback when it fails.
* jz/apply-run-3way-first:
git-apply: try threeway first when "--3way" is used
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A command such as `git push -qu origin feature` will print "Branch
'feature' set up to track remote branch 'feature' from 'origin'." even
when --quiet is passed. In this case it's because install_branch_config() is
always called with BRANCH_CONFIG_VERBOSE.
struct transport keeps track of the desired verbosity. Fix the above
issue by passing BRANCH_CONFIG_VERBOSE conditionally based on that.
Signed-off-by: Øystein Walle <oystwa@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Usage message fix for a test helper.
* cc/test-helper-bloom-usage-fix:
test-bloom: fix missing 'bloom' from usage string
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Clean-up codepaths that implements "git send-email --validate"
option and improves the message from it.
* ab/send-email-validate-errors:
git-send-email: improve --validate error output
git-send-email: refactor duplicate $? checks into a function
git-send-email: test full --validate output
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A configuration variable has been added to force tips of certain
refs to be given a reachability bitmap.
* tb/pack-preferred-tips-to-give-bitmap:
builtin/pack-objects.c: respect 'pack.preferBitmapTips'
t/helper/test-bitmap.c: initial commit
pack-bitmap: add 'test_bitmap_commits()' helper
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A NULL-dereference bug has been corrected in an error codepath in
"git for-each-ref", "git branch --list" etc.
* jk/ref-filter-segfault-fix:
ref-filter: fix NULL check for parse object failure
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Finish the removal I started in 1108cea7f8e (tests: remove most uses
of test_i18ncmp, 2021-02-11). At that time the function wasn't removed
due to disruption with in-flight changes, remove the occurrences that
have landed since then.
As of writing this there are no test_i18ncmp uses between "master" and
"seen", so let's also remove the function to finally put it to rest.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When --exclude-promisor-objects is given, before traversing any objects
we iterate over all of the objects in any promisor packs, marking them
as UNINTERESTING and SEEN. We turn the oid we get from iterating the
pack into an object with parse_object(), but this has two problems:
- it's slow; we are zlib inflating (and reconstructing from deltas)
every byte of every object in the packfile
- it leaves the tree buffers attached to their structs, which means
our heap usage will grow to store every uncompressed tree
simultaneously. This can be gigabytes.
We can obviously fix the second by freeing the tree buffers after we've
parsed them. But we can observe that the function doesn't look at the
object contents at all! The only reason we call parse_object() is that
we need a "struct object" on which to set the flags. There are two
options here:
- we can look up just the object type via oid_object_info(), and then
call the appropriate lookup_foo() function
- we can call lookup_unknown_object(), which gives us an OBJ_NONE
struct (which will get auto-converted later by object_as_type() via
calls to lookup_commit(), etc).
The first one is closer to the current code, but we do pay the price to
look up the type for each object. The latter should be more efficient in
CPU, though it wastes a little bit of memory (the "unknown" object
structs are a union of all object types, so some of the structs are
bigger than they need to be). It also runs the risk of triggering a
latent bug in code that calls lookup_object() directly but isn't ready
to handle OBJ_NONE (such code would already be buggy, but we use
lookup_unknown_object() infrequently enough that it might be hiding).
I went with the second option here. I don't think the risk is high (and
we'd want to find and fix any such bugs anyway), and it should be more
efficient overall.
The new tests in p5600 show off the improvement (this is on git.git):
Test HEAD^ HEAD
-------------------------------------------------------------------------------
5600.5: count commits 0.37(0.37+0.00) 0.38(0.38+0.00) +2.7%
5600.6: count non-promisor commits 11.74(11.37+0.37) 0.04(0.03+0.00) -99.7%
The improvement is particularly big in this script because _every_
object in the newly-cloned partial repo is a promisor object. So after
marking them all, there's nothing left to traverse.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All of the other lookup_foo() functions take a repository argument, but
lookup_unknown_object() was never converted, and it uses the_repository
internally. Let's fix that.
We could leave a wrapper that uses the_repository, but there aren't that
many calls, so we'll just convert them all. I looked briefly at each
site to see if we had a repository struct (besides the_repository) we
could pass, but none of them do (so this conversion to pass
the_repository is a pure noop in each case, though it does take us one
step closer to eventually getting rid of the_repository).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To get the list of all promisor objects, we not only include all objects
in promisor packs, but also parse each of those objects to see which
objects they reference. After parsing a tree object, the tree->buffer
field will remain populated until we explicitly free it. So in a partial
clone of blob:none, for example, we are essentially reading every tree
in the repository (since they're all in the initial promisor pack), and
keeping all of their uncompressed contents in memory at once.
This patch frees the tree buffers after we've finished marking all of
their reachable objects. We shouldn't need to do this for any other
object type. While we are using some extra memory to store the structs,
no other object type stores the whole contents in its parsed form (we do
sometimes hold on to commit buffers, but less so these days due to
commit graphs, plus most commands which care about promisor objects turn
off the save_commit_buffer global).
Even for a moderate-sized repository like git.git, this patch drops the
peak heap (as measured by massif) for git-fsck from ~1.7GB to ~138MB.
Fsck is a good candidate for measuring here because it doesn't interact
with the promisor code except to call is_promisor_object(), so we can
isolate just this problem.
The added perf test shows only a tiny improvement on my machine for
git.git, since 1.7GB isn't enough to cause any real memory pressure:
Test HEAD^ HEAD
--------------------------------------------------------------------------------
5600.4: fsck 21.26(20.90+0.35) 20.84(20.79+0.04) -2.0%
With linux.git the absolute change is a bit bigger, though still a small
percentage:
Test HEAD^ HEAD
-----------------------------------------------------------------------------
5600.4: fsck 262.26(259.13+3.12) 254.92(254.62+0.29) -2.8%
I didn't have the patience to run it under massif with linux.git, but
it's probably on the order of about 14GB improvement, since that's the
sum of the sizes of all of the uncompressed trees (but still isn't
enough to create memory pressure on this particular machine, which has
64GB of RAM). Smaller machines would probably see a bigger effect on
runtime (and sadly our perf suite does not measure peak heap).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When serving a clone or fetch with bitmaps, after deciding which objects
need to be sent our "pack reuse" mechanism kicks in: we try to send
more-or-less verbatim a bunch of objects from the beginning of the
bitmapped packfile without even adding them to the to_pack.objects
array.
After deciding which objects will be in the "reused" portion, we update
nr_result to account for those, and then trigger display_progress() to
show the user (who is undoubtedly dazzled that we managed to enumerate
so many objects so quickly).
But then something confusing happens: the "Enumerating objects" progress
meter jumps _backwards_, counting up from zero the number of objects we
actually add into to_pack.objects.
This worked correctly once upon a time, but was broken in 5af050437a
(pack-objects: show some progress when counting kept objects,
2018-04-15), when the latter half of that progress meter switched to
using a separate nr_seen counter, rather than nr_result. Nobody noticed
for two reasons:
- prior to the pack-reuse fixes from a14aebeac3 (Merge branch
'jk/packfile-reuse-cleanup', 2020-02-14), the reuse code almost
never kicked in anyway
- the output looks _kind of_ correct. The "backwards" moment is hard
to catch, because we overwrite the old progress number with the new
one, and the larger number is displayed only for a second. So unless
you look at that exact second, you just see the much smaller value,
counting up to the number of non-reused objects (though of course if
you catch it in stderr, or look at GIT_TRACE_PACKET from a server
with bitmaps, you can see both values).
This smaller output isn't wrong per se, but isn't counting what we ever
intended to. We should give the user the whole number of objects we
considered (which, as per 5af050437a's original purpose, is already
_not_ a count of what goes into to_pack.objects). The follow-on
"Counting objects" meter shows the actual number of objects we feed into
that array.
We can easily fix this by bumping (and showing) nr_seen for the
pack-reused objects. When the included test is run without this patch,
the second pack-objects invocation produces "Enumerating objects: 1" to
show the one loose object, even though the resulting pack has hundreds
of objects in it. With it, we jump to "Enumerating objects: 674" after
deciding on reuse, and then "675" when we add in the loose object.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a diff driver for Scheme-like languages which recognizes top level
and local `define` forms, whether it is a function definition, binding,
syntax definition or a user-defined `define-xyzzy` form.
Also supports R6RS `library` forms, `module` forms along with class and
struct declarations used in Racket (PLT Scheme).
Alternate "def" syntax such as those in Gerbil Scheme are also
supported, like defstruct, defsyntax and so on.
The rationale for picking `define` forms for the hunk headers is because
it is usually the only significant form for defining the structure of
the program, and it is a common pattern for schemers to have local
function definitions to hide their visibility, so it is not only the top
level `define`'s that are of interest. Schemers also extend the language
with macros to provide their own define forms (for example, something
like a `define-test-suite`) which is also captured in the hunk header.
Since it is common practice to extend syntax with variants of a form
like `module+`, `class*` etc, those have been supported as well.
The word regex is a best-effort attempt to conform to R7RS[1] valid
identifiers, symbols and numbers.
[1] https://small.r7rs.org/attachment/r7rs.pdf (section 2.1)
Signed-off-by: Atharva Raykar <raykar.ath@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The ort merge backend has been optimized by skipping irrelevant
renames.
* en/ort-perf-batch-9:
diffcore-rename: avoid doing basename comparisons for irrelevant sources
merge-ort: skip rename detection entirely if possible
merge-ort: use relevant_sources to filter possible rename sources
merge-ort: precompute whether directory rename detection is needed
merge-ort: introduce wrappers for alternate tree traversal
merge-ort: add data structures for an alternate tree traversal
merge-ort: precompute subset of sources for which we need rename detection
diffcore-rename: enable filtering possible rename sources
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"git cherry-pick/revert" with or without "--[no-]edit" did not spawn
the editor as expected (e.g. "revert --no-edit" after a conflict
still asked to edit the message), which has been corrected.
* en/sequencer-edit-upon-conflict-fix:
sequencer: fix edit handling for cherry-pick and revert messages
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"git clone --reject-shallow" option fails the clone as soon as we
notice that we are cloning from a shallow repository.
* ll/clone-reject-shallow:
builtin/clone.c: add --reject-shallow option
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An on-disk reverse-index to map the in-pack location of an object
back to its object name across multiple packfiles is introduced.
* tb/reverse-midx:
midx.c: improve cache locality in midx_pack_order_cmp()
pack-revindex: write multi-pack reverse indexes
pack-write.c: extract 'write_rev_file_order'
pack-revindex: read multi-pack reverse indexes
Documentation/technical: describe multi-pack reverse indexes
midx: make some functions non-static
midx: keep track of the checksum
midx: don't free midx_name early
midx: allow marking a pack as preferred
t/helper/test-read-midx.c: add '--show-objects'
builtin/multi-pack-index.c: display usage on unrecognized command
builtin/multi-pack-index.c: don't enter bogus cmd_mode
builtin/multi-pack-index.c: split sub-commands
builtin/multi-pack-index.c: define common usage with a macro
builtin/multi-pack-index.c: don't handle 'progress' separately
builtin/multi-pack-index.c: inline 'flags' with options
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Simplify the test added in 9466e3809d (blame: enable funcname blaming
with userdiff driver, 2020-11-01) to use the --author support recently
added in 999cfc4f45 (test-lib functions: add --author support to
test_commit, 2021-01-12).
We also did not need the full fortran-external-function content. Let's
cut it down to just the important parts.
I'm modifying it to demonstrate that the fortran-specific userdiff
function is in effect by adding "DO NOT MATCH ..." and "AS THE ..."
lines surrounding the "RIGHT" one.
This is to check that we're using the userdiff "fortran" driver, as
opposed to the default driver which would match on those lines as part
of the general heuristic of matching a line that doesn't begin with
whitespace.
The test had also been leaving behind a .gitattributes file for later
tests to possibly trip over, let's clean it up with
"test_when_finished".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Refactor a test added in 9466e3809d (blame: enable funcname blaming
with userdiff driver, 2020-11-01) so that the blame tests don't rely
on stealing the contents of "t/t4018/fortran-external-function".
I have another patch series that'll possibly (or not) refactor that
file, but having this test inter-dependency makes things simple in any
case by making this test more readable.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There have been no "broken" tests since 75c3b6b2e8 (userdiff: improve
Fortran xfuncname regex, 2020-08-12). Let's remove the test support
for them.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the userdiff test to list the builtin drivers via the
test-tool, using the new for_each_userdiff_driver() API function.
This gets rid of the need to modify this part of the test every time a
new pattern is added, see 2ff6c34612 (userdiff: support Bash,
2020-10-22) and 09dad9256a (userdiff: support Markdown, 2020-05-02)
for two recent examples.
I only need the "list-builtin-drivers "argument here, but let's add
"list-custom-drivers" and "list-drivers" too, just because it's easy.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 122aa6f9c0 (diff: introduce diff.<driver>.binary, 2008-10-05)
the internals of the userdiff.c code have understood a "default" name,
which is invoked as userdiff_find_by_name("default") and present in
the "builtin_drivers" struct. Let's test for this special case.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git apply" does not allow "--cached" and "--3way" to be used
together, since "--3way" writes conflict markers into the working
tree.
Allow "git apply" to accept "--cached" and "--3way" at the same
time. When a single file auto-resolves cleanly, the result is
placed in the index at stage #0 and the command exits with 0 status.
For a file that has a conflict which cannot be cleanly
auto-resolved, the original contents from common ancestor (stage
conflict at the content level, and the command exists with non-zero
status, because there is no place (like the working tree) to leave a
half-resolved merge for the user to resolve.
The user can use `git diff` to view the contents of the conflict, or
`git checkout -m -- .` to regenerate the conflict markers in the
working directory.
Don't attempt rerere in this case since it depends on conflict
markers written to file for its database storage and lookup. There
would be two main changes required to get rerere working:
1. Allow the rerere api to accept in memory object rather than
files, which would allow us to pass in the conflict markers
contained in the result from ll_merge().
2. Rerere can't write to the working directory, so it would have to
apply the result to cache stage #0 directly. A flag would be
needed to control this.
Signed-off-by: Jerry Zhang <jerry@skydio.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Optimize "rev-list --use-bitmap-index --objects" corner case that
uses negative tags as the stopping points.
* ps/pack-bitmap-optim:
pack-bitmap: avoid traversal of objects referenced by uninteresting tag
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"git commit" learned "--trailer <key>[=<value>]" option; together
with the interpret-trailers command, this will make it easier to
support custom trailers.
* zh/commit-trailer:
commit: add --trailer option
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The apply_fragments() method of "git apply"
can silently apply patches incorrectly if
a file has repeating contents. In these
cases a three-way merge is capable of applying
it correctly in more situations, and will
show a conflict rather than applying it
incorrectly. However, because the patches
apply "successfully" using apply_fragments(),
git will never fall back to the merge, even
if the "--3way" flag is used, and the user has
no way to ensure correctness by forcing the
three-way merge method.
Change the behavior so that when "--3way" is used,
git will always try the three-way merge first and
will only fall back to apply_fragments() in cases
where blobs are not available or some other error
(but not in the case of a merge conflict).
Since user-facing results will be different,
this has backwards compatibility implications
for users depending on the old behavior. In
addition, the three-way merge will be slower
than direct patch application.
Signed-off-by: Jerry Zhang <jerry@skydio.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Improve the output we emit on --validate error to:
* Say "FILE:LINE" instead of "FILE: LINE", to match "grep -n",
compiler error messages etc.
* Don't say "patch contains a" after just mentioning the filename,
just leave it at "FILE:LINE: is longer than[...]. The "contains a"
sounded like we were talking about the file in general, when we're
actually checking it line-by-line.
* Don't just say "rejected by sendemail-validate hook", but combine
that with the system_or_msg() output to say what exit code the hook
died with.
I had an aborted attempt to make the line length checker note all
lines that were longer than the limit. I didn't think that was worth
the effort, but I've left in the testing change to check that we die
as soon as we spot the first long line.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the tests that grep substrings out of the output to use a full
test_cmp, in preparation for improving the output.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Patrick Steinhardt
Jeff King
Ævar Arnfjörð Bjarmason
Sergey Organov
Derrick Stolee
Øystein Walle
Atharva Raykar
Jerry Zhang