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Since 3b072c577b (tests: replace test_tristate with "git env--helper",
2019-06-21) we get the normalized bool values of various GIT_TEST_*
environment variables via 'git env--helper'. Now, while the 'git
env--helper' command itself does catch invalid values in the
environment variable or in the given --default and exits with error
(exit code 128 or 129, respectively), it's invoked in conditions like
'if ! git env--helper ...', which means that all invalid bool values
are interpreted the same as the ordinary 'false' (exit code 1). This
has led to inadvertently skipped httpd tests in our CI builds for a
couple of weeks, see 3960290675 (ci: restore running httpd tests,
2019-09-06).
Let's be more careful about what the test suite accepts as bool values
in GIT_TEST_* environment variables, and error out loud and clear on
invalid values instead of simply skipping tests. Add the
'test_bool_env' helper function to encapsulate the invocation of 'git
env--helper' and the verification of its exit code, and replace all
invocations of that command in our test framework and test suite with
a call to this new helper (except in 't0017-env-helper.sh', of
course).
$ GIT_TEST_GIT_DAEMON=YesPlease ./t5570-git-daemon.sh
fatal: bad numeric config value 'YesPlease' for 'GIT_TEST_GIT_DAEMON': invalid unit
error: test_bool_env requires bool values both for $GIT_TEST_GIT_DAEMON and for the default fallback
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The test_tristate helper introduced in 83d842dc8c ("tests: turn on
network daemon tests by default", 2014-02-10) can now be better
implemented with "git env--helper" to give the variables in question
the standard boolean behavior.
The reason for the "tristate" was to have all of false/true/auto,
where "auto" meant either "false" or "true" depending on what the
fallback was. With the --default option to "git env--helper" we can
simply have e.g. GIT_TEST_HTTPD where we know if it's true because the
user asked explicitly ("true"), or true implicitly ("auto").
This breaks backwards compatibility for explicitly setting "auto" for
these variables, but I don't think anyone cares. That was always
intended to be internal.
This means the test_normalize_bool() code in test-lib-functions.sh
goes away in addition to test_tristate(). We still need the
test_skip_or_die() helper, but now it takes the variable name instead
of the value, and uses "git env--bool" to distinguish a default "true"
from an explicit "true" (in those "explicit true" cases we want to
fail the test in question).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Protocol v2 supports sending non-HEAD symrefs, but this is not true of
protocol v0. Some tests expect protocol v0 behavior, so fix them to use
protocol v0.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The v2 upload-pack protocol implementation failed to honor
hidden-ref configuration, which has been corrected.
An earlier attempt reverted out of 'next'.
* jk/proto-v2-hidden-refs-fix:
upload-pack: support hidden refs with protocol v2
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In the v2 protocol, upload-pack's advertisement has been moved to the
"ls-refs" command. That command does not respect hidden-ref config (like
transfer.hiderefs) at all, and advertises everything.
While there are some features that are not supported in v2 (e.g., v2
always allows fetching any sha1 without respect to advertisements), the
lack of this feature is not documented and is likely just a bug. Let's
make it work, as otherwise upgrading a server to a v2-capable git will
start exposing these refs that the repository admin has asked to remain
hidden.
Note that we assume we're operating on behalf of a fetch here, since
that's the only thing implemented in v2 at this point. See the in-code
comment. We'll have to figure out how this works when the v2 push
protocol is designed (both here in ls-refs, but also rejecting updates
to hidden refs).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Several test scripts run daemons like 'git-daemon' or Apache, and
communicate with them through TCP sockets. To have unique ports where
these daemons are accessible, the ports are usually the number of the
corresponding test scripts, unless the user overrides them via
environment variables, and thus all those tests and test libs contain
more or less the same bit of one-liner boilerplate code to find out
the port. The last patch in this series will make this a bit more
complicated.
Factor out finding the port for a daemon into the common helper
function 'test_set_port' to avoid repeating ourselves.
Take special care of test scripts with "low" numbers:
- Test numbers below 1024 would result in a port that's only usable
as root, so set their port to '10000 + test-nr' to make sure it
doesn't interfere with other tests in the test suite. This makes
the hardcoded port number in 't0410-partial-clone.sh' unnecessary,
remove it.
- The shell's arithmetic evaluation interprets numbers with leading
zeros as octal values, which means that test number below 1000 and
containing the digits 8 or 9 will trigger an error. Remove all
leading zeros from the test numbers to prevent this.
Note that the 'git p4' tests are unlike the other tests involving
daemons in that:
- 'lib-git-p4.sh' doesn't use the test's number for unique port as
is, but does a bit of additional arithmetic on top [1].
- The port is not overridable via an environment variable.
With this patch even 'git p4' tests will use the test's number as
default port, and it will be overridable via the P4DPORT environment
variable.
[1] Commit fc00233071 (git-p4 tests: refactor and cleanup, 2011-08-22)
introduced that "unusual" unique port computation without
explaining why it was necessary (as opposed to simply using the
test number as is). It seems to be just unnecessary complication,
and in any case that commit came way before the "test nr as unique
port" got "standardized" for other daemons in commits c44132fcf3
(tests: auto-set git-daemon port, 2014-02-10), 3bb486e439 (tests:
auto-set LIB_HTTPD_PORT from test name, 2014-02-10), and
bf9d7df950 (t/lib-git-svn.sh: improve svnserve tests with parallel
make test, 2017-12-01).
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The command 'git ls-remote --sort=authordate <remote>' segfaults when
run outside of a repository, ever since the introduction of its
'--sort' option in 1fb20dfd8e (ls-remote: create '--sort' option,
2018-04-09).
While in general the 'git ls-remote' command can be run outside of a
repository just fine, its '--sort=<key>' option with certain keys does
require access to the referenced objects. This sorting is implemented
using the generic ref-filter sorting facility, which already handles
missing objects gracefully with the appropriate 'missing object
deadbeef for HEAD' message. However, being generic means that it
checks replace refs while trying to retrieve an object, and while
doing so it accesses the 'git_replace_ref_base' variable, which has
not been initialized and is still a NULL pointer when outside of a
repository, thus causing the segfault.
Make ref-filter more careful upfront while parsing the format string,
and make it error out when encountering a format atom requiring object
access when we are not in a repository. Also add a test to ensure
that 'git ls-remote --sort' fails gracefully when executed outside of
a repository.
Reported-by: H.Merijn Brand <h.m.brand@xs4all.nl>
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git ls-remote $there foo" was broken by recent update for the
protocol v2 and stopped showing refs that match 'foo' that are not
refs/{heads,tags}/foo, which has been fixed.
* jk/proto-v2-ref-prefix-fix:
ls-remote: pass heads/tags prefixes to transport
ls-remote: do not send ref prefixes for patterns
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Unlike its arbitrary text patterns, the --heads and --tags
options to ls-remote are true prefixes. We can pass this
information to the transport code. If the v2 protocol is in
use, that will reduce the size of the ref advertisement.
Note that the test added here succeeds both before and after
the patch. This is an optimization, not a bug-fix; it's just
making sure we didn't break anything.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since b4be74105f (ls-remote: pass ref prefixes when requesting a
remote's refs, 2018-03-15), "ls-remote foo" will pass "refs/heads/foo",
"refs/tags/foo", etc to the transport code in an attempt to let the
other side reduce the size of its advertisement.
Unfortunately this is not correct, as ls-remote patterns do not follow
the usual ref lookup rules, and are in fact tail-matched. So we could
find "refs/heads/foo" or "refs/heads/a/much/deeper/foo" or even
"refs/another/hierarchy/foo".
Since we can't pass a prefix and there's not yet a v2 extension for
matching wildcards, we must disable this feature to keep the same
behavior as v1.
Reported-by: Jon Simons <jon@jonsimons.org>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test updates.
* ab/test-must-be-empty-for-master:
tests: make use of the test_must_be_empty function
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Change various tests that use an idiom of the form:
>expect &&
test_cmp expect actual
To instead use:
test_must_be_empty actual
The test_must_be_empty() wrapper was introduced in ca8d148daf ("test:
test_must_be_empty helper", 2013-06-09). Many of these tests have been
added after that time. This was mostly found with, and manually pruned
from:
git grep '^\s+>.*expect.* &&$' t
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Do the preparatory fetch inside the test of ls-remote --symref to avoid
cluttering the test output and to be able to catch unexpected fetch
failures.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Create a '--sort' option for ls-remote, based on the one from
for-each-ref. This e.g. allows ref names to be sorted by version
semantics, so that v1.2 is sorted before v1.10.
Signed-off-by: Harald Nordgren <haraldnordgren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When fopen() returns NULL, it could be because the given path does not
exist, but it could also be some other errors and the caller has to
check. Add a wrapper so we don't have to repeat the same error check
everywhere.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "git ls-remote" command can be run outside of a
repository, but needs to look up configured remotes. The
config code is smart enough to handle this case itself, but
we also check the historical "branches" and "remotes" paths
in $GIT_DIR. The git_path() function causes us to blindly
look at ".git/remotes", even if we know we aren't in a git
repository.
For now, this is just an unlikely bug (you probably don't
have such a file if you're not in a repository), but it will
become more obvious once we merge b1ef400ee (setup_git_env:
avoid blind fall-back to ".git", 2016-10-20):
[now]
$ git ls-remote
fatal: No remote configured to list refs from.
[with b1ef400ee]
$ git ls-remote
fatal: BUG: setup_git_env called without repository
We can fix this by skipping these sources entirely when
we're outside of a repository.
The test is a little more complex than the demonstration
above. Rather than detect the correct behavior by parsing
the error message, we can actually set up a case where the
remote name we give is a valid repository, but b1ef400ee
would cause us to die in the configuration step.
This test doesn't fail now, but it future-proofs us for the
b1ef400ee change.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Even more i18n.
* va/i18n-more:
i18n: stash: mark messages for translation
i18n: notes-merge: mark die messages for translation
i18n: ident: mark hint for translation
i18n: i18n: diff: mark die messages for translation
i18n: connect: mark die messages for translation
i18n: commit: mark message for translation
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Mark messages passed to die() in die_initial_contact().
Update test to reflect changes.
Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When cloning an empty repository served by standard git, "git clone" produces
the following reassuring message:
$ git clone git://localhost/tmp/empty
Cloning into 'empty'...
warning: You appear to have cloned an empty repository.
Checking connectivity... done.
Meanwhile when cloning an empty repository served by JGit, the output is more
haphazard:
$ git clone git://localhost/tmp/empty
Cloning into 'empty'...
Checking connectivity... done.
warning: remote HEAD refers to nonexistent ref, unable to checkout.
This is a common command to run immediately after creating a remote repository
as preparation for adding content to populate it and pushing. The warning is
confusing and needlessly worrying.
The cause is that, since v3.1.0.201309270735-rc1~22 (Advertise capabilities
with no refs in upload service., 2013-08-08), JGit's ref advertisement includes
a ref named capabilities^{} to advertise its capabilities on, while git's ref
advertisement is empty in this case. This allows the client to learn about the
server's capabilities and is needed, for example, for fetch-by-sha1 to work
when no refs are advertised.
This also affects "ls-remote". For example, against an empty repository served
by JGit:
$ git ls-remote git://localhost/tmp/empty
0000000000000000000000000000000000000000 capabilities^{}
Git advertises the same capabilities^{} ref in its ref advertisement for push
but since it never did so for fetch, the client didn't need to handle this
case. Handle it.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Helped-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Sometimes it's useful to know the main branch of a git repository
without actually downloading the repository. This can be done by
looking at the symrefs stored in the remote repository. Currently git
doesn't provide a simple way to show the symrefs stored on the remote
repository, even though the information is available. Add a --symref
command line argument to the ls-remote command, which shows the symrefs
in the remote repository.
While there, replace a literal tab in the format string with \t to make
it more obvious to the reader.
Suggested-by: pedro rijo <pedrorijo91@gmail.com>
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If you hide a hierarchy of refs using the transfer.hideRefs
config, there is no way to later override that config to
"unhide" it. This patch implements a "negative" hide which
causes matches to immediately be marked as unhidden, even if
another match would hide it. We take care to apply the
matches in reverse-order from how they are fed to us by the
config machinery, as that lets our usual "last one wins"
config precedence work (and entries in .git/config, for
example, will override /etc/gitconfig).
So you can now do:
$ git config --system transfer.hideRefs refs/secret
$ git config transfer.hideRefs '!refs/secret/not-so-secret'
to hide refs/secret in all repos, except for one public bit
in one specific repo. Or you can even do:
$ git clone \
-u "git -c transfer.hiderefs="!refs/foo" upload-pack" \
remote:repo.git
to clone remote:repo.git, overriding any hiding it has
configured.
There are two alternatives that were considered and
rejected:
1. A generic config mechanism for removing an item from a
list. E.g.: (e.g., "[transfer] hideRefs -= refs/foo").
This is nice because it could apply to other
multi-valued config, as well. But it is not nearly as
flexible. There is no way to say:
[transfer]
hideRefs = refs/secret
hideRefs = refs/secret/not-so-secret
Having explicit negative specifications means we can
override previous entries, even if they are not the
same literal string.
2. Adding another variable to override some parts of
hideRefs (e.g., "exposeRefs").
This solves the problem from alternative (1), but it
cannot easily obey the normal config precedence,
because it would use two separate lists. For example:
[transfer]
hideRefs = refs/secret
exposeRefs = refs/secret/not-so-secret
hideRefs = refs/secret/not-so-secret/no-really-its-secret
With two lists, we have to apply the "expose" rules
first, and only then apply the "hide" rules. But that
does not match what the above config intends.
Of course we could internally parse that to a single
list, respecting the ordering, which saves us having to
invent the new "!" syntax. But using a single name
communicates to the user that the ordering _is_
important. And "!" is well-known for negation, and
should not appear at the beginning of a ref (it is
actually valid in a ref-name, but all entries here
should be fully-qualified, starting with "refs/").
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If we are expecting a command to produce a particular exit
code, we can use test_expect_code. However, some cases are
more complicated, and want to accept one of a range of exit
codes. For these, we end up with something like:
cmd;
case "$?" in
...
That unfortunately breaks the &&-chain and fools
--chain-lint. Since these special cases are so few, we can
wrap them in a block, like this:
{ cmd; ret=$?; } &&
case "$ret" in
...
This accomplishes the same thing, and retains the &&-chain
(the exit status fed to the && is that of the assignment,
which should always be true). It's technically longer, but
it is probably a good thing for unusual code like this to
stand out.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A repository may have refs that are only used for its internal
bookkeeping purposes that should not be exposed to the others that
come over the network.
Teach upload-pack to omit some refs from its initial advertisement
by paying attention to the uploadpack.hiderefs multi-valued
configuration variable. Do the same to receive-pack via the
receive.hiderefs variable. As a convenient short-hand, allow using
transfer.hiderefs to set the value to both of these variables.
Any ref that is under the hierarchies listed on the value of these
variable is excluded from responses to requests made by "ls-remote",
"fetch", etc. (for upload-pack) and "push" (for receive-pack).
Because these hidden refs do not count as OUR_REF, an attempt to
fetch objects at the tip of them will be rejected, and because these
refs do not get advertised, "git push :" will not see local branches
that have the same name as them as "matching" ones to be sent.
An attempt to update/delete these hidden refs with an explicit
refspec, e.g. "git push origin :refs/hidden/22", is rejected. This
is not a new restriction. To the pusher, it would appear that there
is no such ref, so its push request will conclude with "Now that I
sent you all the data, it is time for you to update the refs. I saw
that the ref did not exist when I started pushing, and I want the
result to point at this commit". The receiving end will apply the
compare-and-swap rule to this request and rejects the push with
"Well, your update request conflicts with somebody else; I see there
is such a ref.", which is the right thing to do. Otherwise a push to
a hidden ref will always be "the last one wins", which is not a good
default.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we get disconnected while expecting a response from the remote
side because authentication failed, we issued an error message "The
remote side hung up unexpectedly."
Give hint that it may be a permission problem in the message when we
can reasonably suspect it.
* hv/remote-end-hung-up:
remove the impression of unexpectedness when access is denied
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If a server accessed through ssh is denying access git will currently
issue the message
"fatal: The remote end hung up unexpectedly"
as the last line. This sounds as if something really ugly just happened.
Since this is a quite typical situation in which users regularly get
we do not say that if it happens at the beginning when reading the
remote heads.
If its in the very first beginning of reading the remote heads it is
very likely an authentication error or a missing repository.
If it happens later during reading the remote heads we still indicate
that it happened during this initial contact phase.
Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Prepare expected output inside test_expect_success that uses it.
Also remove excess blank lines.
Signed-off-by: Tom Grennan <tmgrennan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "git ls-remote" uses its exit status to indicate if it successfully
talked with the remote repository. A new option "--exit-code" makes the
command exit with status "2" when there is no refs to be listed, even when
the command successfully talked with the remote repository.
This way, the caller can tell if we failed to contact the remote, or the
remote did not have what we wanted to see. Of course, you can inspect the
output from the command, which has been and will continue to be a valid
way to check the same thing.
Signed-off-by: Michael Schubert <mschub@elegosoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After 9c00de5 (ls-remote: fall-back to default remotes when no remote
specified), when no repository is specified, ls-remote may use
the URL/remote in the config "branch.<name>.remote" or the remote
"origin"; it may not be immediately obvious to the user which was used.
In such cases, print a simple "From <URL>" line to indicate which
repository was used. This message is similar to git-fetch's, and is
printed to stderr to avoid breaking existing scripts that depend on
ls-remote's output behaviour.
It can also be disabled with -q/--quiet.
Modify tests related to falling back on default remotes to check for
this as well, and add a test to check for suppression of the message.
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of breaking execution when no remote (as specified in the
variable dest) is specified when git-ls-remote is invoked, continue on
and let remote_get() handle it.
This way, we are able to use the default remotes (eg. "origin",
branch.<name>.remote), as git-fetch, git-push, and other users of
remote_get(), do.
If no suitable remote is found, exit with a message describing the
issue, instead of just the usage text, as we do previously.
Add several tests to check that git-ls-remote handles the
no-remote-specified situation.
Also add a test that "git ls-remote <pattern>" does not work; we are
unable to guess the remote in that situation, as are git-fetch and
git-push.
In that test, we are testing for messages coming from two separate
processes, but we should be OK, because the second message is triggered
by closing the fd which must happen after the first message is printed.
(analysis by Jeff King.)
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This fixes the remainder of the issues where the test script itself is at
fault for failing when the git checkout path contains whitespace or other
shell metacharacters.
The majority of git svn tests used the idiom
test_expect_success "title" "test script using $svnrepo"
These were changed to have the test script in single-quotes:
test_expect_success "title" 'test script using "$svnrepo"'
which unfortunately makes the patch appear larger than it really is.
One consequence of this change is that in the verbose test output the
value of $svnrepo (and in some cases other variables, too) is no
longer expanded, i.e. previously we saw
* expecting success:
test script using /path/to/git/t/trash/svnrepo
but now it is:
* expecting success:
test script using "$svnrepo"
Signed-off-by: Bryan Donlan <bdonlan@fushizen.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Many scripts compare actual and expected output using
"diff -u". This is nicer than "cmp" because the output shows
how the two differ. However, not all versions of diff
understand -u, leading to unnecessary test failure.
This adds a test_cmp function to the test scripts and
switches all "diff -u" invocations to use it. The function
uses the contents of "$GIT_TEST_CMP" to compare its
arguments; the default is "diff -u".
On systems with a less-capable diff, you can do:
GIT_TEST_CMP=cmp make test
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Prior to being made a builtin git-ls-remote understood that when
it was given a remote name we wanted it to resolve that to the
pre-configured URL and connect to that location. That changed when
it was converted to a builtin and many of my automation tools broke.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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