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We always set the name and email for committer and author idents to make
the test suite more deterministic, but not timestamps. Many scripts use
test_tick to get consistent and sensibly incrementing timestamps as they
create commits. But other scripts don't particularly care about the
timestamp, and are happy to use whatever the current system time is.
This non-determinism can be annoying:
- when debugging a test, comparing results between two runs can be
difficult, because the commit ids change
- this can sometimes cause tests to be racy. E.g., traversal order
depends on timestamp order. Even in a well-ordered set of commands,
because our timestamp granularity is one second, two commits might
sometimes have the same timestamp and sometimes differ.
Let's set a default timestamp for all scripts to use. Any that use
test_tick already will be unaffected (because their first test_tick call
will overwrite our default), but it will make things a bit more
deterministic for those that don't.
We should be able to choose any time we want here. I picked this one
because:
- it differs from the initial test_tick default, which may make it
easier to distinguish when debugging tests. I picked "April 1st
13:14:15" in the hope that it might stand out.
- it's slightly before the test_tick default. Some tests create some
commits before the first call to test_tick, so using an older
timestamps for those makes sense chronologically. Note that this
isn't how things currently work (where system times are usually more
recent than test_tick), but that also allows us to flush out a few
hidden timestamp dependencies (like the one recently fixed in
t5539).
- we could likewise pick any timezone we want. Choosing +0000 would
have required fixing up fewer tests, but we're more likely to turn
up interesting cases by not matching $TZ exactly. And since
test_tick already checks "-0700", let's try something in the "+"
zone range for variety.
It's possible that the non-deterministic times could help flush out bugs
(e.g., if something broke when the clock flipped over to 2021, our test
suite would let us know). But historically that hasn't been the case;
all time-dependent outcomes we've seen turned out to be accidentally
flaky tests (which we fixed by using test_tick). If we do want to cover
handling the current time, we should dedicate one script to doing so,
and have it unset GIT_COMMITTER_DATE explicitly.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The early part of t9100 creates an unusual "doubled" history in the
"git-svn" ref. When we get to t9100.17, it looks like this:
$ git log --oneline --graph git-svn
[...]
* efd0303 detect node change from file to directory #2
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* | 3e727c0 detect node change from file to directory #2
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* 3b00468 try a deep --rmdir with a commit
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* | b4832d8 try a deep --rmdir with a commit
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* f0d7bd5 import for git svn
Each commit we make with "git commit" is paired with one from "git svn
set-tree", with the latter as a merge of the first and its grandparent.
Later, t9100.17 wants to check that "git svn fetch" gets the same trees.
And it does, but just one copy of each. So it uses rev-list to get the
tree of each commit and pipes it to "uniq" to drop the duplicates. Our
input isn't sorted, but it will find adjacent duplicates. This works
reliably because the order of commits from rev-list always shows the
duplicates next to each other. For any one of those merges, we could
choose to show its duplicate or the grandparent first. But barring
clocks running backwards, the duplicate will always have a time equal to
or greater than the grandparent. Even if equal, we break ties by showing
the first-parent first, so the duplicates remain adjacent.
But this would break if the timestamps stopped moving in chronological
order. Normally we would rely on test_tick for this, but we have _two_
sources of time here:
- "git commit" creates one commit based on GIT_COMMITTER_DATE (which
respects test_tick)
- the "svn set-tree" one is based on subversion, which does not have
an easy way to specify a timestamp
So using test_tick actually breaks the test, because now the duplicates
are far in the past, and we'll show the grandparent before the
duplicate. And likewise, a proposed change to set GIT_COMMITTER_DATE in
all scripts will break it.
We _could_ fix this by sorting before removing duplicates, but
presumably it's a useful part of the test to make sure the trees appear
in the same order in both spots. Likewise, we could use something like:
perl -ne 'print unless $seen{$_}++'
to remove duplicates without impacting the order. But that doesn't work
either, because there are actually multiple (non-duplicate) commits with
the same trees (we change a file mode and then change it back). So we'd
actually have to de-duplicate the combination of subject and tree. Which
then further throws off t9100.18, which compares the tree hashes
exactly; we'd have to strip the result back down.
Since this test _isn't_ buggy, the simplest thing is to just work around
the proposed change by documenting our expectation that git-created
commits are correctly interleaved using the current time.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The test for "no shallow lines after receiving ACK ready" is very
sensitive to the timestamps of the commits we create. It's looking for
the fetch negotiation to send a "ready", which in turn depends on the
order in which we traverse commits during the negotiation.
It works reliably now because the base commit "7" is created without
test_commit, and thus gets a commit time matching the current system
clock. Whereas the new commits created in this test do use test_commit,
and get the usual test_tick time from 2005. So the fetch into the
"clone" repository results in a commit graph like this (I omitted some
of the "unrelated" commits for clarity; they're all just a sequence of
test_ticks):
$ git log --graph --format='%ct %s %d'
* 1112912953 new (origin/master, origin/HEAD)
* 1594322236 7 (grafted, master)
* 1112912893 unrelated15 (origin/unrelated15, unrelated15)
[...]
* 1112912053 unrelated1 (origin/unrelated1, unrelated1)
* 1112911993 new-too (HEAD -> newnew, tag: new-too)
The important things to see are:
- "7" is way in the future compared to the other commits
- "new-too" in the fetching repo is older than "new" (and its
"unrelated" ancestors) in the shallow repo
If we change our "setup shallow clone" step to use test_tick, too (and
get rid of the dependency on the system clock), then the test will fail.
The resulting graph looks like this:
$ git log --graph --format='%ct %s %d'
* 1112913373 new (origin/master, origin/HEAD)
* 1112912353 7 (grafted, master)
* 1112913313 unrelated15 (origin/unrelated15, unrelated15)
[...]
* 1112912473 unrelated1 (origin/unrelated1, unrelated1)
* 1112912413 new-too (HEAD -> newnew, tag: new-too)
Our "new-too" is still older than "new" and "unrelated", but now "7" is
older than all of them (because it advanced test_tick, which the other
tests built on top of). In the original, we advertised "7" as the first
"have" before anything else, but now "new-too" is more recent. You'd see
the same thing in the unlikely event that the system clock was set
before our test_tick default in 2005.
Let's make the timing requirements more explicit. The important thing is
that the client advertise all of its shared commits first, before
presenting its unique "new-too" commit. We can do that and get rid of
the system clock dependency at the same time by creating all of the
shared commits around time X (using test_tick), and then creating
"new-too" with some time long before X. The resulting graph looks like
this:
$ git log --graph --format='%ct %s %d'
* 1500001380 new (origin/master, origin/HEAD)
* 1500000420 7 (grafted, master)
* 1500001320 unrelated15 (origin/unrelated15, unrelated15)
[...]
* 1500000480 unrelated1 (origin/unrelated1, unrelated1)
* 1400000060 new-too (HEAD -> newnew, tag: new-too)
That also lets us get rid of the hacky test_tick added by f0e802ca20
(t5539: update a flaky test, 2014-07-14). That was clearly dancing
around the same problem, but only addressed the relationship between
commits created in the two subshells (which did use test_tick, but
overlapped because increments of test_tick in subshells are lost). Now
that we're using consistent and well-placed times for both lines of
history, we don't have to care about a one-tick difference between the
two sides.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A few of the perl tests in t9700 ask for the author and committer ident,
and then make sure we get something sensible. For the timestamp portion,
we just match [0-9]+, because the actual value will depend on when the
test is run. However, we do require that the timezone be "+0000". This
works reliably because we set $TZ in test-lib.sh. But in preparation for
changing the default timezone, let's be a bit more flexible. We don't
actually care about the exact value here, just that we were able to get
a sensible output from the perl module's access methods.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The first two commits created in t6000 are done without test_tick,
meaning they use the current system clock. After that, we create one
with test_tick, which means it uses a deterministic time in the past.
The result of the "symleft flag bit is propagated down from tag" test
relies on the output order of commits from git-log, which in turn
depends on these timestamps. So this test is technically dependent on
the system clock time, though in practice it would only matter if your
system clock was set before test_tick's default time (which is in 2005).
However, let's use test_tick consistently for those early commits (and
update the expected output to match). This makes the test deterministic,
which is in turn easier to reason about and debug.
Note that there's also a fourth commit here, and it does not use
test_tick. It does have a deterministic timestamp because of the prior
use of test_tick in the script, but it will always be the same time as
the third commit. Let's use test_tick here, too, for consistency. The
matching timestamps between the third and fourth commit are not an
important part of the test.
We could also use test_commit in all of these cases, as it runs
test_tick under the hood. But it would be awkward to do so, as these
tests diverge from the usual test_commit patterns (e.g., by creating
multiple files in a single commit).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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This merges up the security fix from v2.17.5.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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Git's URL parser interprets
https:///example.com/repo.git
to have no host and a path of "example.com/repo.git". Curl, on the
other hand, internally redirects it to https://example.com/repo.git. As
a result, until "credential: parse URL without host as empty host, not
unset", tricking a user into fetching from such a URL would cause Git to
send credentials for another host to example.com.
Teach fsck to block and detect .gitmodules files using such a URL to
prevent sharing them with Git versions that are not yet protected.
A relative URL in a .gitmodules file could also be used to trigger this.
The relative URL resolver used for .gitmodules does not normalize
sequences of slashes and can follow ".." components out of the path part
and to the host part of a URL, meaning that such a relative URL can be
used to traverse from a https://foo.example.com/innocent superproject to
a https:///attacker.example.com/exploit submodule. Fortunately,
redundant extra slashes in .gitmodules are rare, so we can catch this by
detecting one after a leading sequence of "./" and "../" components.
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Jeff King <peff@peff.net>
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Until "credential: refuse to operate when missing host or protocol",
Git's credential handling code interpreted URLs with empty scheme to
mean "give me credentials matching this host for any protocol".
Luckily libcurl does not recognize such URLs (it tries to look for a
protocol named "" and fails). Just in case that changes, let's reject
them within Git as well. This way, credential_from_url is guaranteed to
always produce a "struct credential" with protocol and host set.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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libcurl permits making requests without a URL scheme specified. In
this case, it guesses the URL from the hostname, so I can run
git ls-remote http::ftp.example.com/path/to/repo
and it would make an FTP request.
Any user intentionally using such a URL is likely to have made a typo.
Unfortunately, credential_from_url is not able to determine the host and
protocol in order to determine appropriate credentials to send, and
until "credential: refuse to operate when missing host or protocol",
this resulted in another host's credentials being leaked to the named
host.
Teach credential_from_url_gently to consider such a URL to be invalid
so that fsck can detect and block gitmodules files with such URLs,
allowing server operators to avoid serving them to downstream users
running older versions of Git.
This also means that when such URLs are passed on the command line, Git
will print a clearer error so affected users can switch to the simpler
URL that explicitly specifies the host and protocol they intend.
One subtlety: .gitmodules files can contain relative URLs, representing
a URL relative to the URL they were cloned from. The relative URL
resolver used for .gitmodules can follow ".." components out of the path
part and past the host part of a URL, meaning that such a relative URL
can be used to traverse from a https://foo.example.com/innocent
superproject to a https::attacker.example.com/exploit submodule.
Fortunately a leading ':' in the first path component after a series of
leading './' and '../' components is unlikely to show up in other
contexts, so we can catch this by detecting that pattern.
Reported-by: Jeff King <peff@peff.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Jeff King <peff@peff.net>
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When we try to initialize credential loading by URL and find that the
URL is invalid, we set all fields to NULL in order to avoid acting on
malicious input. Later when we request credentials, we diagonse the
erroneous input:
fatal: refusing to work with credential missing host field
This is problematic in two ways:
- The message doesn't tell the user *why* we are missing the host
field, so they can't tell from this message alone how to recover.
There can be intervening messages after the original warning of
bad input, so the user may not have the context to put two and two
together.
- The error only occurs when we actually need to get a credential. If
the URL permits anonymous access, the only encouragement the user gets
to correct their bogus URL is a quiet warning.
This is inconsistent with the check we perform in fsck, where any use
of such a URL as a submodule is an error.
When we see such a bogus URL, let's not try to be nice and continue
without helpers. Instead, die() immediately. This is simpler and
obviously safe. And there's very little chance of disrupting a normal
workflow.
It's _possible_ that somebody has a legitimate URL with a raw newline in
it. It already wouldn't work with credential helpers, so this patch
steps that up from an inconvenience to "we will refuse to work with it
at all". If such a case does exist, we should figure out a way to work
with it (especially if the newline is only in the path component, which
we normally don't even pass to helpers). But until we see a real report,
we're better off being defensive.
Reported-by: Carlo Arenas <carenas@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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In 07259e74ec1 (fsck: detect gitmodules URLs with embedded newlines,
2020-03-11), git fsck learned to check whether URLs in .gitmodules could
be understood by the credential machinery when they are handled by
git-remote-curl.
However, the check is overbroad: it checks all URLs instead of only
URLs that would be passed to git-remote-curl. In principle a git:// or
file:/// URL does not need to follow the same conventions as an http://
URL; in particular, git:// and file:// protocols are not succeptible to
issues in the credential API because they do not support attaching
credentials.
In the HTTP case, the URL in .gitmodules does not always match the URL
that would be passed to git-remote-curl and the credential machinery:
Git's URL syntax allows specifying a remote helper followed by a "::"
delimiter and a URL to be passed to it, so that
git ls-remote http::https://example.com/repo.git
invokes git-remote-http with https://example.com/repo.git as its URL
argument. With today's checks, that distinction does not make a
difference, but for a check we are about to introduce (for empty URL
schemes) it will matter.
.gitmodules files also support relative URLs. To ensure coverage for the
https based embedded-newline attack, urldecode and check them directly
for embedded newlines.
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Jeff King <peff@peff.net>
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The credential helper protocol was designed to be very flexible: the
fields it takes as input are treated as a pattern, and any missing
fields are taken as wildcards. This allows unusual things like:
echo protocol=https | git credential reject
to delete all stored https credentials (assuming the helpers themselves
treat the input that way). But when helpers are invoked automatically by
Git, this flexibility works against us. If for whatever reason we don't
have a "host" field, then we'd match _any_ host. When you're filling a
credential to send to a remote server, this is almost certainly not what
you want.
Prevent this at the layer that writes to the credential helper. Add a
check to the credential API that the host and protocol are always passed
in, and add an assertion to the credential_write function that speaks
credential helper protocol to be doubly sure.
There are a few ways this can be triggered in practice:
- the "git credential" command passes along arbitrary credential
parameters it reads from stdin.
- until the previous patch, when the host field of a URL is empty, we
would leave it unset (rather than setting it to the empty string)
- a URL like "example.com/foo.git" is treated by curl as if "http://"
was present, but our parser sees it as a non-URL and leaves all
fields unset
- the recent fix for URLs with embedded newlines blanks the URL but
otherwise continues. Rather than having the desired effect of
looking up no credential at all, many helpers will return _any_
credential
Our earlier test for an embedded newline didn't catch this because it
only checked that the credential was cleared, but didn't configure an
actual helper. Configuring the "verbatim" helper in the test would show
that it is invoked (it's obviously a silly helper which doesn't look at
its input, but the point is that it shouldn't be run at all). Since
we're switching this case to die(), we don't need to bother with a
helper. We can see the new behavior just by checking that the operation
fails.
We'll add new tests covering partial input as well (these can be
triggered through various means with url-parsing, but it's simpler to
just check them directly, as we know we are covered even if the url
parser changes behavior in the future).
[jn: changed to die() instead of logging and showing a manual
username/password prompt]
Reported-by: Carlo Arenas <carenas@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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We may feed a URL like "cert:///path/to/cert.pem" into the credential
machinery to get the key for a client-side certificate. That
credential has no hostname field, which is about to be disallowed (to
avoid confusion with protocols where a helper _would_ expect a
hostname).
This means as of the next patch, credential helpers won't work for
unlocking certs. Let's fix that by doing two things:
- when we parse a url with an empty host, set the host field to the
empty string (asking only to match stored entries with an empty
host) rather than NULL (asking to match _any_ host).
- when we build a cert:// credential by hand, similarly assign an
empty string
It's the latter that is more likely to impact real users in practice,
since it's what's used for http connections. But we don't have good
infrastructure to test it.
The url-parsing version will help anybody using git-credential in a
script, and is easy to test.
Signed-off-by: Jeff King <peff@peff.net>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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Many of the tests in t0300 give partial inputs to git-credential,
omitting a protocol or hostname. We're checking only high-level things
like whether and how helpers are invoked at all, and we don't care about
specific hosts. However, in preparation for tightening up the rules
about when we're willing to run a helper, let's start using input that's
a bit more realistic: pretend as if http://example.com is being
examined.
This shouldn't change the point of any of the tests, but do note we have
to adjust the expected output to accommodate this (filling a credential
will repeat back the protocol/host fields to stdout, and the helper
debug messages and askpass prompt will change on stderr).
Signed-off-by: Jeff King <peff@peff.net>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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We test a toy credential helper that writes "quit=1" and confirms that
we stop running other helpers. However, that helper is unrealistic in
that it does not bother to read its stdin at all.
For now we don't send any input to it, because we feed git-credential a
blank credential. But that will change in the next patch, which will
cause this test to racily fail, as git-credential will get SIGPIPE
writing to the helper rather than exiting because it was asked to.
Let's make this one-off helper more like our other sample helpers, and
have it source the "dump" script. That will read stdin, fixing the
SIGPIPE problem. But it will also write what it sees to stderr. We can
make the test more robust by checking that output, which confirms that
we do run the quit helper, don't run any other helpers, and exit for the
reason we expected.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.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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Test fix.
* en/rebase-backend:
t3419: prevent failure when run with EXPENSIVE
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l10n-2.26.0-rnd2.1
* tag 'l10n-2.26.0-rnd2.1' of https://github.com/git-l10n/git-po: (28 commits)
l10n: tr.po: change file mode to 644
l10n: de.po: Update German translation for Git 2.26.0
l10n: de.po: add missing space
l10n: tr: Fix a couple of ambiguities
l10n: Update Catalan translation
l10n: sv.po: Update Swedish translation (4839t0f0u)
l10n: zh_CN: Revise v2.26.0 translation
l10n: zh_CN: for git v2.26.0 l10n round 1 and 2
l10n: vi(4839t): Updated Vietnamese translation for v2.26.0
l10n: vi: fix translation + grammar
l10n: zh_TW.po: v2.26.0 round 2 (0 untranslated)
l10n: zh_TW.po: v2.26.0 round 1 (11 untranslated)
l10n: it.po: update the Italian translation for Git 2.26.0 round 2
l10n: es: 2.26.0 round#2
l10n: bg.po: Updated Bulgarian translation (4839t)
l10n: tr: v2.26.0 round 2
l10n: fr : v2.26.0 rnd 2
l10n: git.pot: v2.26.0 round 2 (7 new, 2 removed)
l10n: tr: Add glossary for Turkish translations
l10n: sv.po: Update Swedish translation (4835t0f0u)
...
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Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
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This test runs a function which itself runs several assertions. The
last of these assertions cleans up the .git/rebase-apply directory,
since when run with EXPENSIVE set, the function is invoked a second time
to run the same tests with a larger data set.
However, as of 2ac0d6273f ("rebase: change the default backend from "am"
to "merge"", 2020-02-15), the default backend of rebase has changed, and
cleaning up the rebase-apply directory has no effect: it no longer
exists, since we're using rebase-merge instead.
Since we don't really care which rebase backend is in use, let's just
use the command "git rebase --quit", which will do the right thing
regardless.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Matthias Rüster <matthias.ruester@gmail.com>
Reviewed-by: Ralf Thielow <ralf.thielow@gmail.com>
Reviewed-by: Phillip Szelat <phillip.szelat@gmail.com>
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Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
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* 'master' of https://github.com/prati0100/git-gui:
git-gui: create a new namespace for chord script evaluation
git-gui: reduce Tcl version requirement from 8.6 to 8.5
git-gui--askpass: coerce answers to UTF-8 on Windows
git-gui: fix error popup when doing blame -> "Show History Context"
git-gui: add missing close bracket
git-gui: update German translation
git-gui: extend translation glossary template with more terms
git-gui: update pot template and German translation to current source code
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Signed-off-by: Emir Sarı <bitigchi@me.com>
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Reduce the Tcl version requirement to 8.5 to allow git-gui to run on
MacOS distributions like High Sierra. While here, fix a potential
variable name collision.
* py/remove-tcloo:
git-gui: create a new namespace for chord script evaluation
git-gui: reduce Tcl version requirement from 8.6 to 8.5
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Jordi Mas <jmas@softcatala.org>
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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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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that Unicode 13.0 has been announced[0], update the character
width tables to the new version.
[0] https://home.unicode.org/announcing-the-unicode-standard-version-13-0/
Signed-off-by: Beat Bolli <dev+git@drbeat.li>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Updates to the CI settings.
* js/ci-windows-update:
Azure Pipeline: switch to the latest agent pools
ci: prevent `perforce` from being quarantined
t/lib-httpd: avoid using macOS' sed
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Code style cleanup.
* jk/run-command-formatfix:
run-command.h: fix mis-indented struct member
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Docfix.
* jk/doc-credential-helper:
doc: move credential helper info into gitcredentials(7)
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Dev support.
* js/mingw-open-in-gdb:
mingw: add a helper function to attach GDB to the current process
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Test updates.
* js/test-unc-fetch:
t5580: test cloning without file://, test fetching via UNC paths
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Testfix.
* js/test-write-junit-xml-fix:
tests: fix --write-junit-xml with subshells
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Code simplification.
* en/simplify-check-updates-in-unpack-trees:
unpack-trees: exit check_updates() early if updates are not wanted
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Both "git ls-remote -h" and "git grep -h" give short usage help,
like any other Git subcommand, but it is not unreasonable to expect
that the former would behave the same as "git ls-remote --head"
(there is no other sensible behaviour for the latter). The
documentation has been updated in an attempt to clarify this.
* jc/doc-single-h-is-for-help:
Documentation: clarify that `-h` alone stands for `help`
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"git show" and others gave an object name in raw format in its
error output, which has been corrected to give it in hex.
* hd/show-one-mergetag-fix:
show_one_mergetag: print non-parent in hex form.
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Jeff King
Jonathan Nieder
Junio C Hamano
Jiang Xin
brian m. carlson
Matthias Rüster
Ralf Thielow
Emir Sarı
Pratyush Yadav
Elijah Newren
Jordi Mas
Beat Bolli