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"git archive" learned to handle files that are larger than 8GB and
commits far in the future than expressible by the traditional US-TAR
format.
* jk/big-and-future-archive-tar:
archive-tar: drop return value
archive-tar: write extended headers for far-future mtime
archive-tar: write extended headers for file sizes >= 8GB
t5000: test tar files that overflow ustar headers
t9300: factor out portable "head -c" replacement
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Git does not know what the contents in the index should be for a
path added with "git add -N" yet, so "git grep --cached" should not
show hits (or show lack of hits, with -L) in such a path, but that
logic does not apply to "git grep", i.e. searching in the working
tree files. But we did so by mistake, which has been corrected.
* nd/ita-cleanup:
grep: fix grepping for "intent to add" files
t7810-grep.sh: fix a whitespace inconsistency
t7810-grep.sh: fix duplicated test name
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"git rebase -i --autostash" did not restore the auto-stashed change
when the operation was aborted.
* ps/rebase-i-auto-unstash-upon-abort:
rebase -i: restore autostash on abort
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Grammofix.
* js/t3404-grammo-fix:
t3404: fix a grammo (commands are ran -> commands are run)
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Add a test to specify the desired behaviour that currently is not
available in "git rebase -Xsubtree=...".
* dg/subtree-rebase-test:
contrib/subtree: Add a test for subtree rebase that loses commits
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Grammofix.
* ah/unpack-trees-advice-messages:
unpack-trees: fix English grammar in do-this-before-that messages
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More markings of messages for i18n, with updates to various tests
to pass GETTEXT_POISON tests.
One patch from the original submission dropped due to conflicts
with jk/upload-pack-hook, which is still in flux.
* va/i18n-even-more: (38 commits)
t5541: become resilient to GETTEXT_POISON
i18n: branch: mark comment when editing branch description for translation
i18n: unmark die messages for translation
i18n: submodule: escape shell variables inside eval_gettext
i18n: submodule: join strings marked for translation
i18n: init-db: join message pieces
i18n: remote: allow translations to reorder message
i18n: remote: mark URL fallback text for translation
i18n: standardise messages
i18n: sequencer: add period to error message
i18n: merge: change command option help to lowercase
i18n: merge: mark messages for translation
i18n: notes: mark options for translation
i18n: notes: mark strings for translation
i18n: transport-helper.c: change N_() call to _()
i18n: bisect: mark strings for translation
t5523: use test_i18ngrep for negation
t4153: fix negated test_i18ngrep call
t9003: become resilient to GETTEXT_POISON
tests: unpack-trees: update to use test_i18n* functions
...
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"git log" learns log.showSignature configuration variable, and a
command line option "--no-show-signature" to countermand it.
* mj/log-show-signature-conf:
log: add log.showSignature configuration variable
log: add "--no-show-signature" command line option
t4202: refactor test
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A helper function that takes the contents of a commit object and
finds its subject line did not ignore leading blank lines, as is
commonly done by other codepaths. Make it ignore leading blank
lines to match.
* js/find-commit-subject-ignore-leading-blanks:
reset --hard: skip blank lines when reporting the commit subject
sequencer: use skip_blank_lines() to find the commit subject
commit -C: skip blank lines at the beginning of the message
commit.c: make find_commit_subject() more robust
pretty: make the skip_blank_lines() function public
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Allow t/perf framework to use the features from the most recent
version of Git even when testing an older installed version.
* jk/perf-any-version:
p4211: explicitly disable renames in no-rename test
t/perf: fix regression in testing older versions of git
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The output coloring scheme learned two new attributes, italic and
strike, in addition to existing bold, reverse, etc.
* jk/ansi-color:
color: support strike-through attribute
color: support "italic" attribute
color: allow "no-" for negating attributes
color: refactor parse_attr
add skip_prefix_mem helper
doc: refactor description of color format
color: fix max-size comment
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Portability fix for Windows.
* jc/t2300-setup:
t2300: "git --exec-path" is not usable in $PATH on Windows as-is
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Test clean-up.
* cb/t7810-test-label-fix:
t7810: fix duplicated test title
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Test clean-up.
* sb/t5614-modernize:
t5614: don't use subshells
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t/perf needs /usr/bin/time with GNU extension; the invocation of it
is updated to "gtime" on Darwin.
* js/perf-on-apple:
perf: accommodate for MacOSX
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One among four invocations of readlink(1) in our test suite has
been rewritten so that the test can run on systems without the
command (others are in valgrind test framework and t9802).
* ak/t7800-wo-readlink:
t7800: readlink may not be available
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The internal code used to show local timezone offset is not
prepared to handle timestamps beyond year 2100, and gave a
bogus offset value to the caller. Use a more benign looking
+0000 instead and let "git log" going in such a case, instead
of aborting.
* jk/tzoffset-fix:
local_tzoffset: detect errors from tm_to_time_t
t0006: test various date formats
t0006: rename test-date's "show" to "relative"
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Fix an unintended regression in v2.9 that breaks "clone --depth"
that recurses down to submodules by forcing the submodules to also
be cloned shallowly, which many server instances that host upstream
of the submodules are not prepared for.
* sb/clone-shallow-passthru:
clone: do not let --depth imply --shallow-submodules
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A new run-command API function pipe_command() is introduced to
sanely feed data to the standard input while capturing data from
the standard output and the standard error of an external process,
which is cumbersome to hand-roll correctly without deadlocking.
The codepath to sign data in a prepared buffer with GPG has been
updated to use this API to read from the status-fd to check for
errors (instead of relying on GPG's exit status).
* jk/gpg-interface-cleanup:
gpg-interface: check gpg signature creation status
sign_buffer: use pipe_command
verify_signed_buffer: use pipe_command
run-command: add pipe_command helper
verify_signed_buffer: use tempfile object
verify_signed_buffer: drop pbuf variable
gpg-interface: use child_process.args
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"log --graph --format=" learned that "%>|(N)" specifies the width
relative to the terminal's left edge, not relative to the area to
draw text that is to the right of the ancestry-graph section. It
also now accepts negative N that means the column limit is relative
to the right border.
* nd/graph-width-padded:
pretty.c: support <direction>|(<negative number>) forms
pretty: pass graph width to pretty formatting for use in '%>|(N)'
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"git repack" learned the "--keep-unreachable" option, which sends
loose unreachable objects to a pack instead of leaving them loose.
This helps heuristics based on the number of loose objects
(e.g. "gc --auto").
* jk/repack-keep-unreachable:
repack: extend --keep-unreachable to loose objects
repack: add --keep-unreachable option
repack: document --unpack-unreachable option
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Teach format-patch and mailsplit (hence "am") how a line that
happens to begin with "From " in the e-mail message is quoted with
">", so that these lines can be restored to their original shape.
* ew/mboxrd-format-am:
am: support --patch-format=mboxrd
mailsplit: support unescaping mboxrd messages
pretty: support "mboxrd" output format
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"upload-pack" allows a custom "git pack-objects" replacement when
responding to "fetch/clone" via the uploadpack.packObjectsHook.
* jk/upload-pack-hook:
upload-pack: provide a hook for running pack-objects
t1308: do not get fooled by symbolic links to the source tree
config: add a notion of "scope"
config: return configset value for current_config_ functions
config: set up config_source for command-line config
git_config_parse_parameter: refactor cleanup code
git_config_with_options: drop "found" counting
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HTTPd tests learned to show the server error log to help diagnosing
a failing tests.
* nd/test-lib-httpd-show-error-log-in-verbose:
lib-httpd.sh: print error.log on error
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Instead of taking advantage of a struct string_list that is
allocated with all NULs happens to be STRING_LIST_INIT_NODUP kind,
initialize them explicitly as such, to document their behaviour
better.
* jk/string-list-static-init:
use string_list initializer consistently
blame,shortlog: don't make local option variables static
interpret-trailers: don't duplicate option strings
parse_opt_string_list: stop allocating new strings
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This reverts commit 4d5520053 (grep: make it clear i-t-a entries are
ignored, 2015-12-27) and adds an alternative fix to maintain the -L
--cached behavior.
4d5520053 caused 'git grep' to no longer find matches in new files in
the working tree where the corresponding index entry had the "intent to
add" bit set, despite the fact that these files are tracked.
The content in the index of a file for which the "intent to add" bit is
set is considered indeterminate and not empty. For most grep queries we
want these to behave the same, however for -L --cached (files without a
match) we don't want to respond positively for "intent to add" files as
their contents are indeterminate. This is in contrast to files with
empty contents in the index (no lines implies no matches for any grep
query expression) which should be reported in the output of a grep -L
--cached invocation.
Add tests to cover this case and a few related cases which previously
lacked coverage.
Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Charles Bailey <cbailey32@bloomberg.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Charles Bailey <charles@hashpling.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Charles Bailey <charles@hashpling.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use test_i18n* functions for testing text already marked for
translation.
Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The ustar format represents timestamps as seconds since the
epoch, but only has room to store 11 octal digits. To
express anything larger, we need to use an extended header.
This is exactly the same case we fixed for the size field in
the previous commit, and the solution here follows the same
pattern.
This is even mentioned as an issue in f2f0267 (archive-tar:
use xsnprintf for trivial formatting, 2015-09-24), but since
it only affected things far in the future, it wasn't deemed
worth dealing with. But note that my calculations claiming
thousands of years were off there; because our xsnprintf
produces a NUL byte, we only have until the year 2242 to fix
this.
Given that this is just around the corner (geologically
speaking, anyway), and because it's easy to fix, let's just
make it work. Unlike the previous fix for "size", where we
had to write an individual extended header for each file, we
can write one global header (since we have only one mtime
for the whole archive).
There's a slight bit of trickiness there. We may already be
writing a global header with a "comment" field for the
commit sha1. So we need to write our new field into the same
header. To do this, we push the decision of whether to write
such a header down into write_global_extended_header(),
which will now assemble the header as it sees fit, and will
return early if we have nothing to write (in practice, we'll
only have a large mtime if it comes from a commit, but this
makes it also work if you set your system clock ahead such
that time() returns a huge value).
Note that we don't (and never did) handle negative
timestamps (i.e., before 1970). This would probably not be
too hard to support in the same way, but since git does not
support negative timestamps at all, I didn't bother here.
After writing the extended header, we munge the timestamp in
the ustar headers to the maximum-allowable size. This is
wrong, but it's the least-wrong thing we can provide to a
tar implementation that doesn't understand pax headers (it's
also what GNU tar does).
Helped-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The ustar format has a fixed-length field for the size of
each file entry which is supposed to contain up to 11 bytes
of octal-formatted data plus a NUL or space terminator.
These means that the largest size we can represent is
077777777777, or 1 byte short of 8GB. The correct solution
for a larger file, according to POSIX.1-2001, is to add an
extended pax header, similar to how we handle long
filenames. This patch does that, and writes zero for the
size field in the ustar header (the last bit is not
mentioned by POSIX, but it matches how GNU tar behaves with
--format=pax).
This should be a strict improvement over the current
behavior, which is to die in xsnprintf with a "BUG".
However, there's some interesting history here.
Prior to f2f0267 (archive-tar: use xsnprintf for trivial
formatting, 2015-09-24), we silently overflowed the "size"
field. The extra bytes ended up in the "mtime" field of the
header, which was then immediately written itself,
overwriting our extra bytes. What that means depends on how
many bytes we wrote.
If the size was 64GB or greater, then we actually overflowed
digits into the mtime field, meaning our value was
effectively right-shifted by those lost octal digits. And
this patch is again a strict improvement over that.
But if the size was between 8GB and 64GB, then our 12-byte
field held all of the actual digits, and only our NUL
terminator overflowed. According to POSIX, there should be a
NUL or space at the end of the field. However, GNU tar seems
to be lenient here, and will correctly parse a size up 64GB
(minus one) from the field. So sizes in this range might
have just worked, depending on the implementation reading
the tarfile.
This patch is mostly still an improvement there, as the 8GB
limit is specifically mentioned in POSIX as the correct
limit. But it's possible that it could be a regression
(versus the pre-f2f0267 state) if all of the following are
true:
1. You have a file between 8GB and 64GB.
2. Your tar implementation _doesn't_ know about pax
extended headers.
3. Your tar implementation _does_ parse 12-byte sizes from
the ustar header without a delimiter.
It's probably not worth worrying about such an obscure set
of conditions, but I'm documenting it here just in case.
Helped-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The ustar format only has room for 11 (or 12, depending on
some implementations) octal digits for the size and mtime of
each file. For values larger than this, we have to add pax
extended headers to specify the real data, and git does not
yet know how to do so.
Before fixing that, let's start off with some test
infrastructure, as designing portable and efficient tests
for this is non-trivial.
We want to use the system tar to check our output (because
what we really care about is interoperability), but we can't
rely on it:
1. being able to read pax headers
2. being able to handle huge sizes or mtimes
3. supporting a "t" format we can parse
So as a prerequisite, we can feed the system tar a reference
tarball to make sure it can handle these features. The
reference tar here was created with:
dd if=/dev/zero seek=64G bs=1 count=1 of=huge
touch -d @68719476737 huge
tar cf - --format=pax |
head -c 2048
using GNU tar. Note that this is not a complete tarfile, but
it's enough to contain the headers we want to examine.
Likewise, we need to convince git that it has a 64GB blob to
output. Running "git add" on that 64GB file takes many
minutes of CPU, and even compressed, the result is 64MB. So
again, I pre-generated that loose object, and then took only
the first 2k of it. That should be enough to generate 2MB of
data before hitting an inflate error, which is plenty for us
to generate the tar header (and then die of SIGPIPE while
streaming the rest out).
The tests are split so that we test as much as we can even
with an uncooperative system tar. This actually catches the
current breakage (which is that we die("BUG") trying to
write the ustar header) on every system, and then on systems
where we can, we go farther and actually verify the result.
Helped-by: Robin H. Johnson <robbat2@gentoo.org>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is sometimes useful to be able to read exactly N bytes from a
pipe. Doing this portably turns out to be surprisingly difficult
in shell scripts.
We want a solution that:
- is portable
- never reads more than N bytes due to buffering (which
would mean those bytes are not available to the next
program to read from the same pipe)
- handles partial reads by looping until N bytes are read
(or we see EOF)
- is resilient to stray signals giving us EINTR while
trying to read (even though we don't send them, things
like SIGWINCH could cause apparently-random failures)
Some possible solutions are:
- "head -c" is not portable, and implementations may
buffer (though GNU head does not)
- "read -N" is a bash-ism, and thus not portable
- "dd bs=$n count=1" does not handle partial reads. GNU dd
has iflags=fullblock, but that is not portable
- "dd bs=1 count=$n" fixes the partial read problem (all
reads are 1-byte, so there can be no partial response).
It does make a lot of write() calls, but for our tests
that's unlikely to matter. It's fairly portable. We
already use it in our tests, and it's unlikely that
implementations would screw up any of our criteria. The
most unknown one would be signal handling.
- perl can do a sysread() loop pretty easily. On my Linux
system, at least, it seems to restart the read() call
automatically. If that turns out not to be portable,
though, it would be easy for us to handle it.
That makes the perl solution the least bad (because we
conveniently omitted "length of code" as a criterion).
It's also what t9300 is currently using, so we can just pull
the implementation from there.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we abort an interactive rebase we do so by calling
`die_abort`, which cleans up after us by removing the rebase
state directory. If the user has requested to use the autostash
feature, though, the state directory may also contain a reference
to the autostash, which will now be deleted.
Fix the issue by trying to re-apply the autostash in `die_abort`.
This will also handle the case where the autostash does not apply
cleanly anymore by recording it in a user-visible stash.
Reported-by: Daniel Hahler <git@thequod.de>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This test merges an external tree in as a subtree, makes some commits
on top of it and splits it back out. In the process the added commits
are lost or the rebase aborts with an internal error. The tests are
marked to expect failure so that we don't forget to fix it.
Signed-off-by: David A. Greene <greened@obbligato.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git update-index --add --chmod=+x file" may be usable as an escape
hatch, but not a friendly thing to force for people who do need to
use it regularly. "git add --chmod=+x file" can be used instead.
* et/add-chmod-x:
add: add --chmod=+x / --chmod=-x options
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"git reflog" stopped upon seeing an entry that denotes a branch
creation event (aka "unborn"), which made it appear as if the
reflog was truncated.
* sg/reflog-past-root:
reflog: continue walking the reflog past root commits
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Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Users may want to always use "--show-signature" while using git-log and
related commands.
When log.showSignature is set to true, git-log and related commands will
behave as if "--show-signature" was given to them.
Note that this config variable is meant to affect git-log, git-show,
git-whatchanged and git-reflog. Other commands like git-format-patch,
git-rev-list are not to be affected by this config variable.
Signed-off-by: Mehul Jain <mehul.jain2029@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If an user creates an alias with "--show-signature" early in command
line, e.g.
[alias] logss = log --show-signature
then there is no way to countermand it through command line.
Teach git-log and related commands about "--no-show-signature" command
line option. This will make "git logss --no-show-signature" run
without showing GPG signature.
Signed-off-by: Mehul Jain <mehul.jain2029@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Subsequent patches will want to reuse the 'signed' branch that the
'log --graph --show-signature' test creates and uses.
Split the set-up part into a test of its own, and make the existing
test into a separate one that only inspects the history on the 'signed'
branch. This way, it becomes clearer that tests added by subsequent
patches reuse the 'signed' branch in the same way.
Signed-off-by: Mehul Jain <mehul.jain2029@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is the only remaining attribute that is commonly
supported (at least by xterm) that we don't support. Let's
add it for completeness.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We already support bold, underline, and similar attributes.
Let's add italic to the mix. According to the Wikipedia
page on ANSI colors, this attribute is "not widely
supported", but it does seem to work on my xterm.
We don't have to bump the maximum color size because we were
already over-allocating it (but we do adjust the comment
appropriately).
Requested-by: Simon Courtois <scourtois@cubyx.fr>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using "no-bold" rather than "nobold" is easier to read and
more natural to type (to me, anyway, even though I was the
person who introduced "nobold" in the first place). It's
easy to allow both.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "git" command prepends the exec-path to the PATH environment
variable for processes it spawns. That is how ". git-sh-setup" in
our scripted Porcelains can find the dot-sourced file in the
exec-path location that is not usually on user's PATH.
When t2300 runs, because it is not spawned by the "git" command, the
scriptlet being tested did not run with a realistic setting of PATH
environment. It lacked the exec-path on the PATH, and failed to
find the dot-sourced file. A recent update to t2300 attempted to
fix this, with "PATH=$(git --exec-path):$PATH", which has been the
recommended way around v1.6.0 days (a script whose original was
written before that release that survives to this day is likely to
have such a line).
However, the "git --exec-path" command outputs C:\path\to\exec\dir
(not /c/path/to/exec/dir) on Windows; the recent update failed to
consider the problem that comes from it.
Even though Git itself, when doing the equivalent internally, does
so in a platform native way (i.e. on Windows, C:\path\to\exec\dir is
prepended to the existing value of %PATH% using ';' as a component
separator), the result is further massaged by bash and gets turned
into $PATH that uses /c/path/to/exec/dir with ':' separating the
components, which is the form understood by bash, so scripted
Porcelains find commands from PATH correctly.
An end user script written in shell, however, cannot prepend
"C:\path\to\exec\dir:" to the existing value of $PATH and expect
bash to magically turn it into the form it understands. In other
words, "PATH=$(git --exec-path):$PATH" does not work as an emulation
of what "Git" internally does to the PATH on Windows.
To correctly emulate how exec-path is prepended to the PATH
environment internally on Windows, we'd need to convert
C:\git-sdk-64\usr\src\git to at least /c\git-sdk-64\usr\src\git
ourselves before prepending it to PATH.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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p4211 tests line-log performance both with and without "-M".
In v2.9.0, the case without "-M" appears to have regressed
badly, but that is only because we flipped on renames by
default.
Let's have the test explicitly disable renames to get
consistent timings (and to match the presumed intent of the
test, which is to see the effects with and without renames).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 7501b59 (perf: make the tests work in worktrees,
2016-05-13) introduced the use of "git rev-parse --git-path"
in the perf-lib setup code. Because the to-be-tested version
of git is at the front of the $PATH when this code runs,
this means we cannot use modern versions of t/perf to test
versions of git older than v2.5.0 (when that option was
introduced).
This is a symptom of a more general problem. The t/perf
suite is essentially independent of git versions, and
ideally we would be able to run the most modern and complete
set of tests across many historical versions (to see how
they compare). But any setup code they run is therefore
required to use the lowest common denominator we expect to
test.
So let's introduce a new variable, $MODERN_GIT, that we can
use both in perf-lib and in the test setup to get a reliable
set of git features (we might change git and break some
tests, of course, but $MODERN_GIT is tied to the same
version of git as the t/perf scripts, so they can be fixed
or adjusted together).
This commit fixes the "--git-path" case, but does not
mass-convert existing setup code to use $MODERN_GIT. Most
setup code is fairly vanilla and will work with effectively
all versions. But now the tool is there to fix any other
issues we find going forward.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Just like the pretty printing machinery, we should simply ignore
blank lines at the beginning of the commit messages.
This discrepancy was noticed when an early version of the
rebase--helper produced commit objects with more than one empty line
between the header and the commit message.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Charles Bailey <charles@hashpling.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Charles Bailey
Charles Bailey
Vasco Almeida
Jeff King
Johannes Schindelin
Patrick Steinhardt
David A. Greene
Alex Henrie
Mehul Jain