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"git status" is taught to show both the branch being bisected and
being rebased when both are in effect at the same time.
cf. <xmqqil76kyov.fsf@gitster.g>
* rj/status-bisect-while-rebase:
status: fix branch shown when not only bisecting
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Command line completion script (in contrib/) learned to work better
with the reftable backend.
* sh/completion-with-reftable:
completion: support pseudoref existence checks for reftables
completion: refactor existence checks for pseudorefs
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"git fetch --atomic" issued an unnecessary empty error message,
which has been corrected.
cf. <ZX__e7VjyLXIl-uV@tanuki>
* jx/fetch-atomic-error-message-fix:
fetch: no redundant error message for atomic fetch
t5574: test porcelain output of atomic fetch
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The code to parse the From e-mail header has been updated to avoid
recursion.
* jk/mailinfo-iterative-unquote-comment:
mailinfo: avoid recursion when unquoting From headers
t5100: make rfc822 comment test more careful
mailinfo: fix out-of-bounds memory reads in unquote_quoted_pair()
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Code clean-up for sanity checking of command line options for "git
show-ref".
* rs/show-ref-incompatible-options:
show-ref: use die_for_incompatible_opt3()
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Some codepaths did not correctly parse configuration variables
specified with valueless "true", which has been corrected.
* jk/implicit-true:
fsck: handle NULL value when parsing message config
trailer: handle NULL value when parsing trailer-specific config
submodule: handle NULL value when parsing submodule.*.branch
help: handle NULL value for alias.* config
trace2: handle NULL values in tr2_sysenv config callback
setup: handle NULL value when parsing extensions
config: handle NULL value when parsing non-bools
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"git bisect reset" has been taught to clean up state files and refs
even when BISECT_START file is gone.
* jk/bisect-reset-fix:
bisect: always clean on reset
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"git $cmd --end-of-options --rev -- --path" for some $cmd failed
to interpret "--rev" as a rev, and "--path" as a path. This was
fixed for many programs like "reset" and "checkout".
* jk/end-of-options:
parse-options: decouple "--end-of-options" and "--"
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The command line parser for the "log" family of commands was too
loose when parsing certain numbers, e.g., silently ignoring the
extra 'q' in "git log -n 1q" without complaining, which has been
tightened up.
* jc/revision-parse-int:
revision: parse integer arguments to --max-count, --skip, etc., more carefully
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The sample pre-commit hook that tries to catch introduction of new
paths that use potentially non-portable characters did not notice
an existing path getting renamed to such a problematic path, when
rename detection was enabled.
* jp/use-diff-index-in-pre-commit-sample:
hooks--pre-commit: detect non-ASCII when renaming
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trace2 streams used to record the URLs that potentially embed
authentication material, which has been corrected.
* jh/trace2-redact-auth:
t0212: test URL redacting in EVENT format
t0211: test URL redacting in PERF format
trace2: redact passwords from https:// URLs by default
trace2: fix signature of trace2_def_param() macro
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Stale URLs have been updated to their current counterparts (or
archive.org) and HTTP links are replaced with working HTTPS links.
* js/update-urls-in-doc-and-comment:
doc: refer to internet archive
doc: update links for andre-simon.de
doc: switch links to https
doc: update links to current pages
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Earlier we stopped relying on commit-graph that (still) records
information about commits that are lost from the object store,
which has negative performance implications. The default has been
flipped to disable this pessimization.
* ps/commit-graph-less-paranoid:
commit-graph: disable GIT_COMMIT_GRAPH_PARANOIA by default
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Newer versions of Getopt::Long started giving warnings against our
(ab)use of it in "git send-email". Bump the minimum version
requirement for Perl to 5.8.1 (from September 2002) to allow
simplifying our implementation.
* tz/send-email-negatable-options:
send-email: avoid duplicate specification warnings
perl: bump the required Perl version to 5.8.1 from 5.8.0
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The way CI testing used "prove" could lead to running the test
suite twice needlessly, which has been corrected.
* js/ci-discard-prove-state:
ci: avoid running the test suite _twice_
ci: add support for GitLab CI
ci: install test dependencies for linux-musl
ci: squelch warnings when testing with unusable Git repo
ci: unify setup of some environment variables
ci: split out logic to set up failed test artifacts
ci: group installation of Docker dependencies
ci: make grouping setup more generic
ci: reorder definitions for grouping functions
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With "rev-list --missing=print $start", where "$start" is a 40-hex
object name, the object may or may not be lazily fetched from the
promisor. Make sure it fails by forcing dereference of "$start"
at that point.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A caller called index_file_exists() that takes a string expressed
as <ptr, length> with a wrong length, which has been corrected.
* jh/sparse-index-expand-to-path-fix:
sparse-index: pass string length to index_file_exists()
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Build fix.
* pb/imap-send-wo-curl-build-fix:
imap-send: add missing "strbuf.h" include under NO_CURL
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Docfix.
* ja/doc-placeholders-fix:
doc: enforce placeholders in documentation
doc: enforce dashes in placeholders
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The wincred credential backend has been taught to support oauth refresh
token the same way as credential-cache and credential-libsecret backends.
* mh/credential-oauth-refresh-token-with-wincred:
credential/wincred: store oauth_refresh_token
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Build dependency around unit tests has been fixed.
* jk/unit-tests-buildfix:
t/Makefile: say the default target upfront
t/Makefile: get UNIT_TESTS list from C sources
Makefile: remove UNIT_TEST_BIN directory with "make clean"
Makefile: use mkdir_p_parent_template for UNIT_TEST_BIN
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The "--fsck-objects" option of "git index-pack" now can take the
optional parameter to tweak severity of different fsck errors.
* jc/index-pack-fsck-levels:
index-pack: --fsck-objects to take an optional argument for fsck msgs
index-pack: test and document --strict=<msg-id>=<severity>...
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The priority queue test has been migrated to the unit testing
framework.
* cp/unit-test-prio-queue:
tests: move t0009-prio-queue.sh to the new unit testing framework
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Running "git cherry-pick" as an x-command in the rebase plan loses
the original authorship information.
To fix this, unset GIT_CHERRY_PICK_HELP for 'exec' commands.
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update the ref sorting functions of 'ref-filter.c' so that when date fields
are specified with a format string (such as in 'git for-each-ref
--sort=creatordate:<something>'), they are sorted by their formatted string
value rather than by the underlying numeric timestamp. Currently, date
fields are always sorted by timestamp, regardless of whether formatting
information is included in the '--sort' key.
Leaving the default (unformatted) date sorting unchanged, sorting by the
formatted date string adds some flexibility to 'for-each-ref' by allowing
for behavior like "sort by year, then by refname within each year" or "sort
by time of day". Because the inclusion of a format string previously had no
effect on sort behavior, this change likely will not affect existing usage
of 'for-each-ref' or other ref listing commands.
Additionally, update documentation & tests to document the new sorting
mechanism.
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The other backend for the sign_buffer() function followed our usual
"an error is signalled with a negative return" convention, but the
SSH signer did not. Even though we already fixed the caller that
assumed only a negative return value is an error, tighten the callee
to signal an error with a negative return as well. This way, the
callees will be strict on what they produce, while the callers will
be lenient in what they accept.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When copying a ref with the reftable backend we also copy the
corresponding log records. When seeking the first log record that we're
about to copy fails though we directly return from `write_copy_table()`
without doing any cleanup, leaking several allocated data structures.
Fix this by exiting via our common cleanup logic instead.
Reported-by: Jeff King <peff@peff.net> via Coverity
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The syntax commonly used for alternatives is --opt-(a|b), not
--opt-{a,b}.
List bad/new and good/old consistently in this order, to be
consistent with the description for "git bisect terms". Clarify
<term> to either <term-old> or <term-new> to make them consistent
with the description of "git bisect (good|bad)" subcommands.
Suggested-by: Matthieu Moy <git@matthieu-moy.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The documentation for "git bisect terms", although it did not hide
any information, was a bit incomplete and forced readers to fill in
the blanks to get the complete picture.
Acked-by: Matthieu Moy <git@matthieu-moy.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The command "git tag -s" internally calls sign_buffer() to make a
cryptographic signature using the chosen backend like GPG and SSH.
The internal helper functions used by "git tag" implementation seem
to use a "negative return values are errors, zero or positive return
values are not" convention, and there are places (e.g., verify_tag()
that calls gpg_verify_tag()) that these internal helper functions
translate return values that signal errors to conform to this
convention, but do_sign() that calls sign_buffer() forgets to do so.
Fix it, so that a failed call to sign_buffer() that can return the
exit status from pipe_command() will not be overlooked.
Reported-by: Sergey Kosukhin <skosukhin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that "git show-ref --verify" accepts pseudorefs use that in
preference to "git rev-parse" when checking pseudorefs as we do when
checking branches etc.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git show-ref --verify" is useful for scripts that want to look up a
fully qualified refname without falling back to the DWIM rules used by
"git rev-parse" rules when the ref does not exist. Currently it will
only accept "HEAD" or a refname beginning with "refs/". Running
git show-ref --verify CHERRY_PICK_HEAD
will always result in
fatal: 'CHERRY_PICK_HEAD' - not a valid ref
even when CHERRY_PICK_HEAD exists. By calling refname_is_safe() instead
of comparing the refname to "HEAD" we can accept all one-level refs that
contain only uppercase ascii letters and underscores.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add CI jobs for both GitHub Workflows and GitLab CI to run Git with the
new reftable backend.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Due to scalability issues, Shawn Pearce has originally proposed a new
"reftable" format more than six years ago [1]. Initially, this new
format was implemented in JGit with promising results. Around two years
ago, we have then added the "reftable" library to the Git codebase via
a4bbd13be3 (Merge branch 'hn/reftable', 2021-12-15). With this we have
landed all the low-level code to read and write reftables. Notably
missing though was the integration of this low-level code into the Git
code base in the form of a new ref backend that ties all of this
together.
This gap is now finally closed by introducing a new "reftable" backend
into the Git codebase. This new backend promises to bring some notable
improvements to Git repositories:
- It becomes possible to do truly atomic writes where either all refs
are committed to disk or none are. This was not possible with the
"files" backend because ref updates were split across multiple loose
files.
- The disk space required to store many refs is reduced, both compared
to loose refs and packed-refs. This is enabled both by the reftable
format being a binary format, which is more compact, and by prefix
compression.
- We can ignore filesystem-specific behaviour as ref names are not
encoded via paths anymore. This means there is no need to handle
case sensitivity on Windows systems or Unicode precomposition on
macOS.
- There is no need to rewrite the complete refdb anymore every time a
ref is being deleted like it was the case for packed-refs. This
means that ref deletions are now constant time instead of scaling
linearly with the number of refs.
- We can ignore file/directory conflicts so that it becomes possible
to store both "refs/heads/foo" and "refs/heads/foo/bar".
- Due to this property we can retain reflogs for deleted refs. We have
previously been deleting reflogs together with their refs to avoid
file/directory conflicts, which is not necessary anymore.
- We can properly enumerate all refs. With the "files" backend it is
not easily possible to distinguish between refs and non-refs because
they may live side by side in the gitdir.
Not all of these improvements are realized with the current "reftable"
backend implementation. At this point, the new backend is supposed to be
a drop-in replacement for the "files" backend that is used by basically
all Git repositories nowadays. It strives for 1:1 compatibility, which
means that a user can expect the same behaviour regardless of whether
they use the "reftable" backend or the "files" backend for most of the
part.
Most notably, this means we artificially limit the capabilities of the
"reftable" backend to match the limits of the "files" backend. It is not
possible to create refs that would end up with file/directory conflicts,
we do not retain reflogs, we perform stricter-than-necessary checks.
This is done intentionally due to two main reasons:
- It makes it significantly easier to land the "reftable" backend as
tests behave the same. It would be tough to argue for each and every
single test that doesn't pass with the "reftable" backend.
- It ensures compatibility between repositories that use the "files"
backend and repositories that use the "reftable" backend. Like this,
hosters can migrate their repositories to use the "reftable" backend
without causing issues for clients that use the "files" backend in
their clones.
It is expected that these artificial limitations may eventually go away
in the long term.
Performance-wise things very much depend on the actual workload. The
following benchmarks compare the "files" and "reftable" backends in the
current version:
- Creating N refs in separate transactions shows that the "files"
backend is ~50% faster. This is not surprising given that creating a
ref only requires us to create a single loose ref. The "reftable"
backend will also perform auto compaction on updates. In real-world
workloads we would likely also want to perform pack loose refs,
which would likely change the picture.
Benchmark 1: update-ref: create refs sequentially (refformat = files, refcount = 1)
Time (mean ± σ): 2.1 ms ± 0.3 ms [User: 0.6 ms, System: 1.7 ms]
Range (min … max): 1.8 ms … 4.3 ms 133 runs
Benchmark 2: update-ref: create refs sequentially (refformat = reftable, refcount = 1)
Time (mean ± σ): 2.7 ms ± 0.1 ms [User: 0.6 ms, System: 2.2 ms]
Range (min … max): 2.4 ms … 2.9 ms 132 runs
Benchmark 3: update-ref: create refs sequentially (refformat = files, refcount = 1000)
Time (mean ± σ): 1.975 s ± 0.006 s [User: 0.437 s, System: 1.535 s]
Range (min … max): 1.969 s … 1.980 s 3 runs
Benchmark 4: update-ref: create refs sequentially (refformat = reftable, refcount = 1000)
Time (mean ± σ): 2.611 s ± 0.013 s [User: 0.782 s, System: 1.825 s]
Range (min … max): 2.597 s … 2.622 s 3 runs
Benchmark 5: update-ref: create refs sequentially (refformat = files, refcount = 100000)
Time (mean ± σ): 198.442 s ± 0.241 s [User: 43.051 s, System: 155.250 s]
Range (min … max): 198.189 s … 198.670 s 3 runs
Benchmark 6: update-ref: create refs sequentially (refformat = reftable, refcount = 100000)
Time (mean ± σ): 294.509 s ± 4.269 s [User: 104.046 s, System: 190.326 s]
Range (min … max): 290.223 s … 298.761 s 3 runs
- Creating N refs in a single transaction shows that the "files"
backend is significantly slower once we start to write many refs.
The "reftable" backend only needs to update two files, whereas the
"files" backend needs to write one file per ref.
Benchmark 1: update-ref: create many refs (refformat = files, refcount = 1)
Time (mean ± σ): 1.9 ms ± 0.1 ms [User: 0.4 ms, System: 1.4 ms]
Range (min … max): 1.8 ms … 2.6 ms 151 runs
Benchmark 2: update-ref: create many refs (refformat = reftable, refcount = 1)
Time (mean ± σ): 2.5 ms ± 0.1 ms [User: 0.7 ms, System: 1.7 ms]
Range (min … max): 2.4 ms … 3.4 ms 148 runs
Benchmark 3: update-ref: create many refs (refformat = files, refcount = 1000)
Time (mean ± σ): 152.5 ms ± 5.2 ms [User: 19.1 ms, System: 133.1 ms]
Range (min … max): 148.5 ms … 167.8 ms 15 runs
Benchmark 4: update-ref: create many refs (refformat = reftable, refcount = 1000)
Time (mean ± σ): 58.0 ms ± 2.5 ms [User: 28.4 ms, System: 29.4 ms]
Range (min … max): 56.3 ms … 72.9 ms 40 runs
Benchmark 5: update-ref: create many refs (refformat = files, refcount = 1000000)
Time (mean ± σ): 152.752 s ± 0.710 s [User: 20.315 s, System: 131.310 s]
Range (min … max): 152.165 s … 153.542 s 3 runs
Benchmark 6: update-ref: create many refs (refformat = reftable, refcount = 1000000)
Time (mean ± σ): 51.912 s ± 0.127 s [User: 26.483 s, System: 25.424 s]
Range (min … max): 51.769 s … 52.012 s 3 runs
- Deleting a ref in a fully-packed repository shows that the "files"
backend scales with the number of refs. The "reftable" backend has
constant-time deletions.
Benchmark 1: update-ref: delete ref (refformat = files, refcount = 1)
Time (mean ± σ): 1.7 ms ± 0.1 ms [User: 0.4 ms, System: 1.2 ms]
Range (min … max): 1.6 ms … 2.1 ms 316 runs
Benchmark 2: update-ref: delete ref (refformat = reftable, refcount = 1)
Time (mean ± σ): 1.8 ms ± 0.1 ms [User: 0.4 ms, System: 1.3 ms]
Range (min … max): 1.7 ms … 2.1 ms 294 runs
Benchmark 3: update-ref: delete ref (refformat = files, refcount = 1000)
Time (mean ± σ): 2.0 ms ± 0.1 ms [User: 0.5 ms, System: 1.4 ms]
Range (min … max): 1.9 ms … 2.5 ms 287 runs
Benchmark 4: update-ref: delete ref (refformat = reftable, refcount = 1000)
Time (mean ± σ): 1.9 ms ± 0.1 ms [User: 0.5 ms, System: 1.3 ms]
Range (min … max): 1.8 ms … 2.1 ms 217 runs
Benchmark 5: update-ref: delete ref (refformat = files, refcount = 1000000)
Time (mean ± σ): 229.8 ms ± 7.9 ms [User: 182.6 ms, System: 46.8 ms]
Range (min … max): 224.6 ms … 245.2 ms 6 runs
Benchmark 6: update-ref: delete ref (refformat = reftable, refcount = 1000000)
Time (mean ± σ): 2.0 ms ± 0.0 ms [User: 0.6 ms, System: 1.3 ms]
Range (min … max): 2.0 ms … 2.1 ms 3 runs
- Listing all refs shows no significant advantage for either of the
backends. The "files" backend is a bit faster, but not by a
significant margin. When repositories are not packed the "reftable"
backend outperforms the "files" backend because the "reftable"
backend performs auto-compaction.
Benchmark 1: show-ref: print all refs (refformat = files, refcount = 1, packed = true)
Time (mean ± σ): 1.6 ms ± 0.1 ms [User: 0.4 ms, System: 1.1 ms]
Range (min … max): 1.5 ms … 2.0 ms 1729 runs
Benchmark 2: show-ref: print all refs (refformat = reftable, refcount = 1, packed = true)
Time (mean ± σ): 1.6 ms ± 0.1 ms [User: 0.4 ms, System: 1.1 ms]
Range (min … max): 1.5 ms … 1.8 ms 1816 runs
Benchmark 3: show-ref: print all refs (refformat = files, refcount = 1000, packed = true)
Time (mean ± σ): 4.3 ms ± 0.1 ms [User: 0.9 ms, System: 3.3 ms]
Range (min … max): 4.1 ms … 4.6 ms 645 runs
Benchmark 4: show-ref: print all refs (refformat = reftable, refcount = 1000, packed = true)
Time (mean ± σ): 4.5 ms ± 0.2 ms [User: 1.0 ms, System: 3.3 ms]
Range (min … max): 4.2 ms … 5.9 ms 643 runs
Benchmark 5: show-ref: print all refs (refformat = files, refcount = 1000000, packed = true)
Time (mean ± σ): 2.537 s ± 0.034 s [User: 0.488 s, System: 2.048 s]
Range (min … max): 2.511 s … 2.627 s 10 runs
Benchmark 6: show-ref: print all refs (refformat = reftable, refcount = 1000000, packed = true)
Time (mean ± σ): 2.712 s ± 0.017 s [User: 0.653 s, System: 2.059 s]
Range (min … max): 2.692 s … 2.752 s 10 runs
Benchmark 7: show-ref: print all refs (refformat = files, refcount = 1, packed = false)
Time (mean ± σ): 1.6 ms ± 0.1 ms [User: 0.4 ms, System: 1.1 ms]
Range (min … max): 1.5 ms … 1.9 ms 1834 runs
Benchmark 8: show-ref: print all refs (refformat = reftable, refcount = 1, packed = false)
Time (mean ± σ): 1.6 ms ± 0.1 ms [User: 0.4 ms, System: 1.1 ms]
Range (min … max): 1.4 ms … 2.0 ms 1840 runs
Benchmark 9: show-ref: print all refs (refformat = files, refcount = 1000, packed = false)
Time (mean ± σ): 13.8 ms ± 0.2 ms [User: 2.8 ms, System: 10.8 ms]
Range (min … max): 13.3 ms … 14.5 ms 208 runs
Benchmark 10: show-ref: print all refs (refformat = reftable, refcount = 1000, packed = false)
Time (mean ± σ): 4.5 ms ± 0.2 ms [User: 1.2 ms, System: 3.3 ms]
Range (min … max): 4.3 ms … 6.2 ms 624 runs
Benchmark 11: show-ref: print all refs (refformat = files, refcount = 1000000, packed = false)
Time (mean ± σ): 12.127 s ± 0.129 s [User: 2.675 s, System: 9.451 s]
Range (min … max): 11.965 s … 12.370 s 10 runs
Benchmark 12: show-ref: print all refs (refformat = reftable, refcount = 1000000, packed = false)
Time (mean ± σ): 2.799 s ± 0.022 s [User: 0.735 s, System: 2.063 s]
Range (min … max): 2.769 s … 2.836 s 10 runs
- Printing a single ref shows no real difference between the "files"
and "reftable" backends.
Benchmark 1: show-ref: print single ref (refformat = files, refcount = 1)
Time (mean ± σ): 1.5 ms ± 0.1 ms [User: 0.4 ms, System: 1.0 ms]
Range (min … max): 1.4 ms … 1.8 ms 1779 runs
Benchmark 2: show-ref: print single ref (refformat = reftable, refcount = 1)
Time (mean ± σ): 1.6 ms ± 0.1 ms [User: 0.4 ms, System: 1.1 ms]
Range (min … max): 1.4 ms … 2.5 ms 1753 runs
Benchmark 3: show-ref: print single ref (refformat = files, refcount = 1000)
Time (mean ± σ): 1.5 ms ± 0.1 ms [User: 0.3 ms, System: 1.1 ms]
Range (min … max): 1.4 ms … 1.9 ms 1840 runs
Benchmark 4: show-ref: print single ref (refformat = reftable, refcount = 1000)
Time (mean ± σ): 1.6 ms ± 0.1 ms [User: 0.4 ms, System: 1.1 ms]
Range (min … max): 1.5 ms … 2.0 ms 1831 runs
Benchmark 5: show-ref: print single ref (refformat = files, refcount = 1000000)
Time (mean ± σ): 1.6 ms ± 0.1 ms [User: 0.4 ms, System: 1.1 ms]
Range (min … max): 1.5 ms … 2.1 ms 1848 runs
Benchmark 6: show-ref: print single ref (refformat = reftable, refcount = 1000000)
Time (mean ± σ): 1.6 ms ± 0.1 ms [User: 0.4 ms, System: 1.1 ms]
Range (min … max): 1.5 ms … 2.1 ms 1762 runs
So overall, performance depends on the usecases. Except for many
sequential writes the "reftable" backend is roughly on par or
significantly faster than the "files" backend though. Given that the
"files" backend has received 18 years of optimizations by now this can
be seen as a win. Furthermore, we can expect that the "reftable" backend
will grow faster over time when attention turns more towards
optimizations.
The complete test suite passes, except for those tests explicitly marked
to require the REFFILES prerequisite. Some tests in t0610 are marked as
failing because they depend on still-in-flight bug fixes. Tests can be
run with the new backend by setting the GIT_TEST_DEFAULT_REF_FORMAT
environment variable to "reftable".
There is a single known conceptual incompatibility with the dumb HTTP
transport. As "info/refs" SHOULD NOT contain the HEAD reference, and
because the "HEAD" file is not valid anymore, it is impossible for the
remote client to figure out the default branch without changing the
protocol. This shortcoming needs to be handled in a subsequent patch
series.
As the reftable library has already been introduced a while ago, this
commit message will not go into the details of how exactly the on-disk
format works. Please refer to our preexisting technical documentation at
Documentation/technical/reftable for this.
[1]: https://public-inbox.org/git/CAJo=hJtyof=HRy=2sLP0ng0uZ4=S-DpZ5dR1aF+VHVETKG20OQ@mail.gmail.com/
Original-idea-by: Shawn Pearce <spearce@spearce.org>
Based-on-patch-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "view" alias for the visualize subcommand is neither completed nor
recognized. It's undesirable to complete it because it's first letters
are the same as for visualize, making completion less rather than more
efficient without adding much in the way of interface discovery.
However, it needs to be recognized in order to enable log option
completion for it.
Recognize but do not complete the view command by creating and using
separate lists of completable_subcommands and all_subcommands. Add
tests.
Signed-off-by: Britton Leo Kerin <britton.kerin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Arguments passed to the "visualize" subcommand of git-bisect(1) get
forwarded to git-log(1). It thus supports the same options as git-log(1)
would, but our Bash completion script does not know to handle this.
Make completion of porcelain git-log options and option arguments to the
visualize subcommand work by calling __git_complete_log_opts when the
start of an option to the subcommand is seen (visualize doesn't support
any options besides the git-log options). Add test.
Signed-off-by: Britton Leo Kerin <britton.kerin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The options accepted by git-log are also accepted by at least one other
command (git-bisect). Factor the common option completion code into a
new function and use it from _git_log. The new function leaves
COMPREPLY empty if no option candidates are found, so that callers can
safely check it to determine if completion for other arguments should be
attempted.
Signed-off-by: Britton Leo Kerin <britton.kerin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --first-parent and --no-checkout options to the start subcommand of
git-bisect(1) are not completed.
Enable completion of the --first-parent and --no-checkout options to the
start subcommand. Add test.
Signed-off-by: Britton Leo Kerin <britton.kerin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git bisect supports the use of custom terms via the --term-(new|bad) and
--term-(old|good) options, but the completion code doesn't know about
these options or the new subcommands they define.
Add support for these options and the custom subcommands by checking for
BISECT_TERMS and adding them to the list of subcommands. Add tests.
Signed-off-by: Britton Leo Kerin <britton.kerin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The bad, new, old and help subcommands to git-bisect(1) are not
completed.
Add the bad, new, old, and help subcommands to the appropriate lists
such that the commands and their possible ref arguments are completed.
Add tests.
Signed-off-by: Britton Leo Kerin <britton.kerin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The default initial branch name can normally be configured using the
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME environment variable. However,
when testing e.g. <rev> completion it's convenient to know the
exact initial branch name that will be used.
To achieve that without too much trouble it is considered sufficient
to force the default initial branch name to 'master' for all of
t9902-completion.sh.
Signed-off-by: Britton Leo Kerin <britton.kerin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Cirrus CI jobs started breaking because we specified version of
FreeBSD that is no longer available, which has been corrected.
* cb/use-freebsd-13-2-at-cirrus-ci:
ci: update FreeBSD cirrus job
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The Makefile often had to say "-L$(path) -R$(path)" that repeats
the path to the same library directory for link time and runtime.
A Makefile template is used to reduce such repetition.
* jc/make-libpath-template:
Makefile: simplify output of the libpath_template
Makefile: reduce repetitive library paths
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More tests that are supposed to pass leak sanitizer are marked as such.
* rj/test-with-leak-check:
t0080: mark as leak-free
test-lib: check for TEST_PASSES_SANITIZE_LEAK
t6113: mark as leak-free
t5332: mark as leak-free
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The test did not work when Git was built from a repository without
tags.
* jc/t0091-with-unknown-git:
t0091: allow test in a repository without tags
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Update to the code that writes to pipes on Windows.
* js/win32-retry-pipe-write-on-enospc:
win32: special-case `ENOSPC` when writing to a pipe
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Prepare existing tests on refs to work better with non-default
backends.
* ps/tests-with-ref-files-backend:
t: mark tests regarding git-pack-refs(1) to be backend specific
t5526: break test submodule differently
t1419: mark test suite as files-backend specific
t1302: make tests more robust with new extensions
t1301: mark test for `core.sharedRepository` as reffiles specific
t1300: make tests more robust with non-default ref backends
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Rewrite //-comments to /* comments */ in files whose comments
prevalently use the latter.
* jc/comment-style-fixes:
reftable/pq_test: comment style fix
merge-ort.c: comment style fix
builtin/worktree: comment style fixes
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