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* 'svn-crlf' of git://bogomips.org/git-svn:
git-svn: convert CRLF to LF in commit message to SVN
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Subversion since 1.6 does not accept CR characters in the commit
message, so filter it out on our end before 'git svn dcommit' sets
the svn:log property.
Reported-by: Brian Bennett <Brian.Bennett@Transamerica.com>
Signed-off-by: Eric Wong <e@80x24.org>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code comment update.
* js/hashmap-update-sample:
hashmap: adjust documentation to reflect reality
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The hashmap API is just complicated enough that even at least one
long-time Git contributor has to look up how to use it every time he
finds a new use case. When that happens, it is really useful if the
provided example code is correct...
While at it, "fix a memory leak", avoid statements before variable
declarations, fix a const -> no-const cast, several %l specifiers (which
want to be %ld), avoid using an undefined constant, call scanf()
correctly, use FLEX_ALLOC_STR() where appropriate, and adjust the style
here and there.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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An internal function that was left for backward compatibility has
been removed, as there is no remaining callers.
* en/remove-stripspace:
strbuf: remove unused stripspace function alias
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In commit 63af4a8446 ("strbuf: make stripspace() part of strbuf",
2015-10-16), stripspace() was moved to strbuf and renamed to
strbuf_stripspace(). A "temporary" alias was added for the old name until
all topic branches had time to switch over. They have had time, so remove
the old alias.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doc update for a feature available in Git v2.14 and upwards.
* jk/no-optional-locks:
git-status.txt: mention --no-optional-locks
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If you come to the documentation thinking "I do not want Git
to take any locks for my background processes", then you may
easily run across "--no-optional-locks" in git.txt.
But it's quite reasonable to hit a specific instance of the
problem: you have "git status" running in the background,
and you notice that it causes lock contention with other
processes. So you look in git-status.txt to see if there is
a way to disable it, but there's no mention of the flag.
Let's add a short note mentioning that status does indeed
touch the index (and why), with a pointer to the global
option. That can point users in the right direction and help
them make a more informed decision about what they're
disabling.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code to iterate over loose object files got optimized.
* ds/for-each-file-in-obj-micro-optim:
sha1_file: use strbuf_add() instead of strbuf_addf()
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Replace use of strbuf_addf() with strbuf_add() when enumerating
loose objects in for_each_file_in_obj_subdir(). Since we already
check the length and hex-values of the string before consuming
the path, we can prevent extra computation by using the lower-
level method.
One consumer of for_each_file_in_obj_subdir() is the abbreviation
code. OID abbreviations use a cached list of loose objects (per
object subdirectory) to make repeated queries fast, but there is
significant cache load time when there are many loose objects.
Most repositories do not have many loose objects before repacking,
but in the GVFS case the repos can grow to have millions of loose
objects. Profiling 'git log' performance in GitForWindows on a
GVFS-enabled repo with ~2.5 million loose objects revealed 12% of
the CPU time was spent in strbuf_addf().
Add a new performance test to p4211-line-log.sh that is more
sensitive to this cache-loading. By limiting to 1000 commits, we
more closely resemble user wait time when reading history into a
pager.
For a copy of the Linux repo with two ~512 MB packfiles and ~572K
loose objects, running 'git log --oneline --parents --raw -1000'
had the following performance:
HEAD~1 HEAD
----------------------------------------
7.70(7.15+0.54) 7.44(7.09+0.29) -3.4%
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A regression in the progress eye-candy was fixed.
* jk/progress-delay-fix:
progress: drop delay-threshold code
progress: set default delay threshold to 100%, not 0%
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Since 180a9f2268 (provide a facility for "delayed" progress
reporting, 2007-04-20), the progress code has allowed
callers to skip showing progress if they have reached a
percentage-threshold of the total work before the delay
period passes.
But since 8aade107dd (progress: simplify "delayed" progress
API, 2017-08-19), that parameter is not available to outside
callers (we always passed zero after that commit, though
that was corrected in the previous commit to "100%").
Let's drop the threshold code, which never triggers in
any meaningful way.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 8aade107dd (progress: simplify "delayed" progress
API, 2017-08-19) dropped the parameter by which callers
could say "show my progress only if I haven't passed M%
progress after N seconds". The intent was to just show
nothing for 2 seconds, and then always progress after that.
But we flipped the logic in the wrapper: it sets M=0,
meaning that we'd almost _never_ show progress after 2
seconds, since we'd generally have made some progress. This
should have been 100%, not 0%.
We were fooled by existing calls like:
start_progress_delay("foo", 0, 0, 2);
which behaved this way. The trick is that the first "0"
there is "how many items total", and there zero means "we
don't know". And without knowing that, we cannot compute a
completed percent at all, and we ignored the threshold
parameter entirely! Modeling our wrapper after that broke
callers which pass a non-zero value for "total".
We can switch to the intended behavior by using "100" in the
wrapper call.
Reported-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@{-N} in "git checkout @{-N}" may refer to a detached HEAD state,
but the documentation was not clear about it, which has been fixed.
* ks/doc-checkout-previous:
Doc/checkout: checking out using @{-N} can lead to detached state
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@{-N} is a syntax for the N-th last "checkout" and not the N-th
last "branch". Therefore, in some cases using `git checkout @{-$N}`
DOES lead to a "detached HEAD" state. This can also be ensured by
the commit message of 75d6e552a (Documentation: @{-N} can refer to
a commit, 2014-01-19) which clearly specifies how @{-N} can be used
to refer not only to a branch but also to a commit.
Correct the misleading sentence which states that @{-N} doesn't
detach HEAD.
Signed-off-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git send-email" tries to see if the sendmail program is available
in /usr/lib and /usr/sbin; extend the list of locations to be
checked to also include directories on $PATH.
* fk/sendmail-from-path:
git-send-email: honor $PATH for sendmail binary
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This extends git-send-email to also consider sendmail binaries in $PATH
after checking the (fixed) list of /usr/sbin and /usr/lib, and before
falling back to localhost.
Signed-off-by: Florian Klink <flokli@flokli.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Developer doc updates.
* tg/t-readme-updates:
t/README: document test_cmp_rev
t/README: remove mention of adding copyright notices
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test_cmp_rev is a useful function that's used in quite a few test
scripts. It is however not documented in t/README. Document it.
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We generally no longer include copyright notices in new test scripts.
However t/README still mentions it as something to include at the top of
every new script.
Remove that mention as it's outdated.
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A message fix.
* pc/submodule-helper:
submodule--helper.c: i18n: add a missing space in message
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The message spans over 2 lines but the C concatenation does not add
the needed space between the two lines.
Signed-off-by: Jean-Noel Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doc update.
* jc/receive-pack-hook-doc:
hooks doc: clarify when receive-pack invokes its hooks
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The text meant to say that receive-pack runs these hooks, and only
because receive-pack is not a command the end users use every day
(ever), as an explanation also meantioned that it is run in response
to 'git push', which is an end-user facing command readers hopefully
know about.
This unfortunately gave an incorrect impression that 'git push'
always result in the hook to run. If the refs push wanted to update
all already had the desired value, these hooks are not run.
Explicitly mention "... and updates reference(s)" as a precondition
to avoid this confusion.
Helped-by: Christoph Michelbach <michelbach94@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git grep" compiled with libpcre2 sometimes triggered a segfault,
which is being fixed.
* ab/pcre2-grep:
grep: fix segfault under -P + PCRE2 <=10.30 + (*NO_JIT)
test-lib: add LIBPCRE1 & LIBPCRE2 prerequisites
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Fix a bug in the compilation of PCRE2 patterns under JIT (the most
common runtime configuration). Any pattern with a (*NO_JIT) verb would
segfault in any currently released PCRE2 version:
$ git grep -P '(*NO_JIT)hi.*there'
Segmentation fault
That this segfaulted was a bug in PCRE2 itself, after reporting it[1]
on pcre-dev it's been fixed in a yet-to-be-released version of
PCRE (presumably released first as 10.31). Now it'll die with:
$ git grep -P '(*NO_JIT)hi.*there'
fatal: pcre2_jit_match failed with error code -45: bad JIT option
But the cause of the bug is in our own code dating back to my
94da9193a6 ("grep: add support for PCRE v2", 2017-06-01).
As explained at more length in the comment being added here, it isn't
sufficient to just check pcre2_config() to see whether the JIT should
be used, pcre2_pattern_info() also has to be asked.
This is something I discovered myself when fiddling around with PCRE2
verbs in patterns passed to git. I don't expect that any user of git
has encountered this given the obscurity of passing PCRE2 verbs
through to the library, along with the relative obscurity of (*NO_JIT)
itself.
1. "How am I supposed to use PCRE2 JIT in the face of (*NO_JIT) ?"
(<CACBZZX5mMqDuWuFmi7sRBp3wH6CFyd-ghACukd=v0NN=rBMnJg@mail.gmail.com> &
https://lists.exim.org/lurker/thread/20171123.101502.7f0d38ca.en.html)
on the pcre-dev mailing list
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add LIBPCRE1 and LIBPCRE2 prerequisites which are true when git is
compiled with USE_LIBPCRE1=YesPlease or USE_LIBPCRE2=YesPlease,
respectively.
The syntax of PCRE1 and PCRE2 isn't the same in all cases (see
pcresyntax(3) and pcre2syntax(3)). If test are added that test for
those they'll need to be guarded by these new prerequisites.
The subsequent patch will make use of LIBPCRE2, so LIBPCRE1 isn't
strictly needed for now, but let's add it for consistency and so that
checking for it doesn't have to be done with the less obvious "PCRE,
!LIBPCRE2", which while semantically the same is more confusing, and
would lead to bugs if PCRE v3 is ever released as the tests would mean
v1, not any non-v2 version.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The tagnames "git log --decorate" uses to annotate the commits can
now be limited to subset of available refs with the two additional
options, --decorate-refs[-exclude]=<pattern>.
* ra/decorate-limit-refs:
log: add option to choose which refs to decorate
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When `log --decorate` is used, git will decorate commits with all
available refs. While in most cases this may give the desired effect,
under some conditions it can lead to excessively verbose output.
Introduce two command line options, `--decorate-refs=<pattern>` and
`--decorate-refs-exclude=<pattern>` to allow the user to select which
refs are used in decoration.
When "--decorate-refs=<pattern>" is given, only the refs that match the
pattern are used in decoration. The refs that match the pattern when
"--decorate-refs-exclude=<pattern>" is given, are never used in
decoration.
These options follow the same convention for mixing negative and
positive patterns across the system, assuming that the inclusive default
is to match all refs available.
(1) if there is no positive pattern given, pretend as if an
inclusive default positive pattern was given;
(2) for each candidate, reject it if it matches no positive
pattern, or if it matches any one of the negative patterns.
The rules for what is considered a match are slightly different from the
rules used elsewhere.
Commands like `log --glob` assume a trailing '/*' when glob chars are
not present in the pattern. This makes it difficult to specify a single
ref. On the other hand, commands like `describe --match --all` allow
specifying exact refs, but do not have the convenience of allowing
"shorthand refs" like 'refs/heads' or 'heads' to refer to
'refs/heads/*'.
The commands introduced in this patch consider a match if:
(a) the pattern contains globs chars,
and regular pattern matching returns a match.
(b) the pattern does not contain glob chars,
and ref '<pattern>' exists, or if ref exists under '<pattern>/'
This allows both behaviours (allowing single refs and shorthand refs)
yet remaining compatible with existent commands.
Helped-by: Kevin Daudt <me@ikke.info>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Rafael Ascensão <rafa.almas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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An infrastructure to define what hash function is used in Git is
introduced, and an effort to plumb that throughout various
codepaths has been started.
* bc/hash-algo:
repository: fix a sparse 'using integer as NULL pointer' warning
Switch empty tree and blob lookups to use hash abstraction
Integrate hash algorithm support with repo setup
Add structure representing hash algorithm
setup: expose enumerated repo info
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Commit 78a6766802 ("Integrate hash algorithm support with repo setup",
2017-11-12) added a 'const struct git_hash_algo *hash_algo' field to the
repository structure, without modifying the initializer of the 'the_repo'
variable. This does not actually introduce a bug, since the '0' initializer
for the 'ignore_env:1' bit-field is interpreted as a NULL pointer (hence
the warning), and the final field (now with no initializer) receives a
default '0'.
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Switch the uses of empty_tree_oid and empty_blob_oid to use the
current_hash abstraction that represents the current hash algorithm in
use.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In future versions of Git, we plan to support an additional hash
algorithm. Integrate the enumeration of hash algorithms with repository
setup, and store a pointer to the enumerated data in struct repository.
Of course, we currently only support SHA-1, so hard-code this value in
read_repository_format. In the future, we'll enumerate this value from
the configuration.
Add a constant, the_hash_algo, which points to the hash_algo structure
pointer in the repository global. Note that this is the hash which is
used to serialize data to disk, not the hash which is used to display
items to the user. The transition plan anticipates that these may be
different. We can add an additional element in the future (say,
ui_hash_algo) to provide for this case.
Include repository.h in cache.h since we now need to have access to
these struct and variable definitions.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since in the future we want to support an additional hash algorithm, add
a structure that represents a hash algorithm and all the data that must
go along with it. Add a constant to allow easy enumeration of hash
algorithms. Implement function typedefs to create an abstract API that
can be used by any hash algorithm, and wrappers for the existing SHA1
functions that conform to this API.
Expose a value for hex size as well as binary size. While one will
always be twice the other, the two values are both used extremely
commonly throughout the codebase and providing both leads to improved
readability.
Don't include an entry in the hash algorithm structure for the null
object ID. As this value is all zeros, any suitably sized all-zero
object ID can be used, and there's no need to store a given one on a
per-hash basis.
The current hash function transition plan envisions a time when we will
accept input from the user that might be in SHA-1 or in the NewHash
format. Since we cannot know which the user has provided, add a
constant representing the unknown algorithm to allow us to indicate that
we must look the correct value up. Provide dummy API functions that die
in this case.
Finally, include git-compat-util.h in hash.h so that the required types
are available. This aids people using automated tools their editors.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We enumerate several different items as part of struct
repository_format, but then actually set up those values using the
global variables we've initialized from them. Instead, let's pass a
pointer to the structure down to the code where we enumerate these
values, so we can later on use those values directly to perform setup.
This technique makes it easier for us to determine additional items
about the repository format (such as the hash algorithm) and then use
them for setup later on, without needing to add additional global
variables. We can't avoid using the existing global variables since
they're intricately intertwined with how things work at the moment, but
this improves things for the future.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
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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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Clarify and enhance documentation for "merge-base --fork-point", as
it was clear what it computed but not why/what for.
* jc/merge-base-fork-point-doc:
merge-base --fork-point doc: clarify the example and failure modes
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A few scripts (both in production and tests) incorrectly redirected
their error output. These have been corrected.
* tz/redirect-fix:
rebase: fix stderr redirect in apply_autostash()
t/lib-gpg: fix gpgconf stderr redirect to /dev/null
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"git notes" sent its error message to its standard output stream,
which was corrected.
* tz/notes-error-to-stderr:
notes: send "Automatic notes merge failed" messages to stderr
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The three-way merge performed by "git cherry-pick" was confused
when a new submodule was added in the meantime, which has been
fixed (or "papered over").
* sb/test-cherry-pick-submodule-getting-in-a-way:
merge-recursive: handle addition of submodule on our side of history
t/3512: demonstrate unrelated submodule/file conflict as cherry-pick failure
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The sequencer machinery (used by "git cherry-pick A..B", and "git
rebase -i", among other things) would have lost a commit if stopped
due to an unlockable index file, which has been fixed.
* pw/sequencer-recover-from-unlockable-index:
sequencer: reschedule pick if index can't be locked
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"git apply --inaccurate-eof" when used with "--ignore-space-change"
triggered an internal sanity check, which has been fixed.
* rs/apply-inaccurate-eof-with-incomplete-line:
apply: update line lengths for --inaccurate-eof
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Command line completion (in contrib/) has been taught about the
"--copy" option of "git branch".
* tz/complete-branch-copy:
completion: add '--copy' option to 'git branch'
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When "git rebase" prepared an mailbox of changes and fed it to "git
am" to replay them, it was confused when a stray "From " happened
to be in the log message of one of the replayed changes. This has
been corrected.
* ew/rebase-mboxrd:
rebase: use mboxrd format to avoid split errors
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Code clean-up.
* sd/branch-copy:
config: avoid "write_in_full(fd, buf, len) != len" pattern
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Contrary to the documentation, "git pull -4/-6 other-args" did not
ask the underlying "git fetch" to go over IPv4/IPv6, which has been
corrected.
* sw/pull-ipv46-passthru:
pull: pass -4/-6 option to 'git fetch'
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The SubmittingPatches document has been converted to produce an
HTML version via AsciiDoc/Asciidoctor.
* bc/submitting-patches-in-asciidoc:
Documentation: convert SubmittingPatches to AsciiDoc
Documentation: enable compat-mode for Asciidoctor
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