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Git currently reports loose objects as 'corrupt' if they've been
deflated using a window size less than 32Kb, because the
experimental_loose_object() function doesn't recognise the header
byte as a zlib header. This patch makes the function tolerant of
all valid window sizes (15-bit to 8-bit) - but doesn't sacrifice
it's accuracy in distingushing the standard loose-object format
from the experimental (now abandoned) format.
On memory constrained systems zlib may use a much smaller window
size - working on Agit, I found that Android uses a 4KB window;
giving a header byte of 0x48, not 0x78. Consequently all loose
objects generated appear 'corrupt', which is why Agit is a read-only
Git client at this time - I don't want my client to generate Git
repos that other clients treat as broken :(
This patch makes Git tolerant of different deflate settings - it
might appear that it changes experimental_loose_object() to the point
where it could incorrectly identify the experimental format as the
standard one, but the two criteria (bitmask & checksum) can only
give a false result for an experimental object where both of the
following are true:
1) object size is exactly 8 bytes when uncompressed (bitmask)
2) [single-byte in-pack git type&size header] * 256
+ [1st byte of the following zlib header] % 31 = 0 (checksum)
As it happens, for all possible combinations of valid object type
(1-4) and window bits (0-7), the only time when the checksum will be
divisible by 31 is for 0x1838 - ie object type *1*, a Commit - which,
due the fields all Commit objects must contain, could never be as
small as 8 bytes in size.
Given this, the combination of the two criteria (bitmask & checksum)
always correctly determines the buffer format, and is more tolerant
than the previous version.
The alternative to this patch is simply removing support for the
experimental format, which I am also totally cool with.
References:
Android uses a 4KB window for deflation:
http://android.git.kernel.org/?p=platform/libcore.git;a=blob;f=luni/src/main/native/java_util_zip_Deflater.cpp;h=c0b2feff196e63a7b85d97cf9ae5bb2583409c28;hb=refs/heads/gingerbread#l53
Code snippet searching for false positives with the zlib checksum:
https://gist.github.com/1118177
Signed-off-by: Roberto Tyley <roberto.tyley@guardian.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jl/maint-fetch-recursive-fix:
fetch: Also fetch submodules in subdirectories in on-demand mode
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* jc/maint-1.7.3-checkout-describe:
checkout -b <name>: correctly detect existing branch
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One of the tests in t7400 fails if the trash directory has a
symlink anywhere in its path. E.g.:
$ mkdir /tmp/git-test
$ mkdir /tmp/git-test/real
$ ln -s real /tmp/git-test/link
$ ./t7400-submodule-basic --root=/tmp/git-test/real
...
# passed all 44 test(s)
$ ./t7400-submodule-basic --root=/tmp/git-test/link
...
not ok - 41 use superproject as upstream when path is relative and no url is set there
The failing test does:
git submodule add ../repo relative &&
...
git submodule sync relative &&
test "$(git config submodule.relative.url)" = "$submodurl/repo"
where $submodurl comes from the $TRASH_DIRECTORY the user
gave us. However, git will resolve symlinks when converting
the relative path into an absolute one, leading them to be
textually different (even though they point to the same
directory).
Fix this by asking pwd to canonicalize the name of the trash
directory for us.
Signed-off-by: Jeff King <peff@peff.net>
Acked-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On modern multi-core processors "make test" is often run in multiple jobs.
If one of them fails the test run does stop, but the concurrently running
tests finish their run. It is rather easy to find out which test failed by
doing a "ls -d t/trash*". But that only works when you don't use the "-i"
option to "make test" because you want to get an overview of all failing
tests. In that case all thrash directories are deleted end and the
information which tests failed is lost.
If one or more tests failed, print a list of them before the test summary:
failed test(s): t1000 t6500
fixed 0
success 7638
failed 3
broken 49
total 7723
This makes it possible to just run the test suite with -i and collect all
failed test scripts at the end for further examination.
Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* git://bogomips.org/git-svn:
git-svn: Correctly handle root commits in mergeinfo ranges
git-svn: Disambiguate rev-list arguments to improve error message
git-svn: Demonstrate a bug with root commits in mergeinfo ranges
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* maint-1.7.5:
test: skip clean-up when running under --immediate mode
"branch -d" can remove more than one branches
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Some tests try to be too careful about cleaning themselves up and
do
test_expect_success description '
set-up some test refs and/or configuration &&
test_when_finished "revert the above changes" &&
the real test
'
Which is nice to make sure that a potential failure would not have
unexpected interaction with the next test. This however interferes when
"the real test" fails and we want to see what is going on, by running the
test with --immediate mode and descending into its trash directory after
the test stops. The precondition to run the real test and cause it to fail
is all gone after the clean-up procedure defined by test_when_finished is
done.
Update test_run_ which is the workhorse of running a test script
called from test_expect_success and test_expect_failure, so that we do not
run clean-up script defined with test_when_finished when a test that is
expected to succeed fails under the --immediate mode.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Acked-by: Jeff King <peff@peff.net>
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If the bottom of a mergeinfo range is a commit that maps to a git root
commit, then it doesn't have a parent. In such a case, use git commit
range "$top_commit" rather than "$bottom_commit^..$top_commit".
[ew: line-wrap at 80 columns]
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Acked-by: Eric Wong <normalperson@yhbt.net>
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If a svn:mergeinfo range starts at a commit that was converted as a
git root commit (e.g., r1 or a branch that was created out of thin
air), then there is an error when git-svn tries to run
git rev-list "$bottom_commit^..$top_commit"
because $bottom_commit (the git commit corresponding to r1) has no
parent.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Acked-by: Eric Wong <normalperson@yhbt.net>
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* mk/grep-pcre:
t7810: avoid unportable use of "echo"
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Michael J Gruber noticed that under /bin/dash this test failed
(as is expected -- \n in the string can be interpreted by the
command), while it passed with bash. We probably could work it
around by using backquote in front of it, but it is safer and
more readable to avoid "echo" altogether in a case like this.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When on-demand mode was active examining the new commits just fetched in
the superproject (to check if they record commits for submodules which are
not downloaded yet) wasn't done recursively. Because of that fetch did not
recursively fetch submodules living in subdirectories even when it should
have.
Fix that by adding the RECURSIVE flag to the diff_options used to check
the new commits and avoid future regressions in this area by moving a
submodule in t5526 into a subdirectory.
Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* di/no-no-existant:
Fix typo: existant->existent
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When we run tests under valgrind, we symlink anything
executable that starts with git-* or test-* into a special
valgrind bin directory, and then make that our
GIT_EXEC_PATH.
However, shell libraries like git-sh-setup do not have the
executable bit marked, and did not get symlinked. This
means that any test looking for shell libraries in our
exec-path would fail to find them, even though that is a
fine thing to do when testing against a regular git build
(or in a git install, for that matter).
t2300 demonstrated this problem. The fix is to symlink these
shell libraries directly into the valgrind directory.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The valgrind target just reinvokes make with GIT_TEST_OPTS
set to "--valgrind". However, it does this using an
environment variable, which means GIT_TEST_OPTS in your
config.mak would override it, and "make valgrind" would
simply run the test suite without valgrind on.
Instead, we should pass GIT_TEST_OPTS on the command-line,
overriding what's in config.mak, and take care to append to
whatever the user has there already.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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refs.c had a error message "Trying to write ref with nonexistant object".
And no tests relied on the wrong spelling.
Also typo was present in some test scripts internals, these tests still pass.
Signed-off-by: Dmitry Ivankov <divanorama@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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v1.7.6-rc0~27^2~4 (gitweb: Change the way "content tags" ('ctags') are
handled, 2011-04-29) tried to make gitweb's tag cloud feature more
intuitive for webmasters by checking whether the ctags/<label> under
a project's .git dir contains a number (representing the strength of
association to <label>) before treating it as one.
With that change, after putting '$feature{'ctags'}{'default'} = [1];'
in your $GITWEB_CONFIG, you could do
echo Linux >.git/ctags/linux
and gitweb would treat that as a request to tag the current repository
with the Linux tag, instead of the previous behavior of writing an
error page embedded in the projects list that triggers error messages
from Chromium and Firefox about malformed XML.
Unfortunately the pattern (\d+) used to match numbers is too loose,
and the "XML declaration allowed only at the start of the document"
error can still be experienced if you write "Linux-2.6" in place of
"Linux" in the example above. Fix it by tightening the pattern to
^\d+$.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/magic-pathspec:
t3703: skip more tests using colons in file names on Windows
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Use the same test and prerequisite as introduced in similar
fix in 650af7ae8bdf92bd92df2.
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/diff-not-so-quick:
diff: futureproof "stop feeding the backend early" logic
diff_tree: disable QUICK optimization with diff filter
Conflicts:
diff.c
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* bc/maint-status-z-to-use-porcelain:
builtin/commit.c: set status_format _after_ option parsing
t7508: demonstrate status's failure to use --porcelain format with -z
Conflicts:
builtin/commit.c
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When create a new branch, we fed "refs/heads/<proposed name>" as a string
to get_sha1() and expected it to fail when a branch already exists.
The right way to check if a ref exists is to check with resolve_ref().
A naïve solution that might appear attractive but does not work is to
forbid slashes in get_describe_name() but that will not work. A describe
name is is in the form of "ANYTHING-g<short sha1>", and that ANYTHING part
comes from a original tag name used in the repository the user ran the
describe command. A sick user could have a confusing hierarchical tag
whose name is "refs/heads/foobar" (stored as refs/tags/refs/heads/foobar")
to generate a describe name "refs/heads/foobar-6-g02ac983", and we should
be able to use that name to refer to the object whose name is 02ac983.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/maint-config-alias-fix:
handle_options(): do not miscount how many arguments were used
config: always parse GIT_CONFIG_PARAMETERS during git_config
git_config: don't peek at global config_parameters
config: make environment parsing routines static
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* jk/format-patch-am:
format-patch: preserve subject newlines with -k
clean up calling conventions for pretty.c functions
pretty: add pp_commit_easy function for simple callers
mailinfo: always clean up rfc822 header folding
t: test subject handling in format-patch / am pipeline
Conflicts:
builtin/branch.c
builtin/log.c
commit.h
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* jk/format-patch-empty-prefix:
format-patch: make zero-length subject prefixes prettier
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* jk/rebase-head-reflog:
rebase: write a reflog entry when finishing
rebase: create HEAD reflog entry when aborting
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* jk/maint-remote-mirror-safer:
remote: allow "-t" with fetch mirrors
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* jl/read-tree-m-dry-run:
Teach read-tree the -n|--dry-run option
unpack-trees: add the dry_run flag to unpack_trees_options
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* ml/test-readme:
t/README: unify documentation of test function args
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* ab/i18n-fixup: (24 commits)
i18n: use test_i18n{cmp,grep} in t7600, t7607, t7611 and t7811
i18n: use test_i18n{grep,cmp} in t7508
i18n: use test_i18ngrep in t7506
i18n: use test_i18ngrep and test_i18ncmp in t7502
i18n: use test_i18ngrep in t7501
i18n: use test_i18ncmp in t7500
i18n: use test_i18ngrep in t7201
i18n: use test_i18ncmp and test_i18ngrep in t7102 and t7110
i18n: use test_i18ncmp and test_i18ngrep in t5541, t6040, t6120, t7004, t7012 and t7060
i18n: use test_i18ncmp and test_i18ngrep in t3700, t4001 and t4014
i18n: use test_i18ncmp and test_i18ngrep in t3203, t3501 and t3507
i18n: use test_i18ngrep in t2020, t2204, t3030, and t3200
i18n: use test_i18ngrep in lib-httpd and t2019
i18n: do not overuse C_LOCALE_OUTPUT (grep)
i18n: use test_i18ncmp in t1200 and t2200
i18n: .git file is not a human readable message (t5601)
i18n: do not overuse C_LOCALE_OUTPUT
i18n: mark init-db messages for translation
i18n: mark checkout plural warning for translation
i18n: mark checkout --detach messages for translation
...
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* jc/rename-degrade-cc-to-c:
diffcore-rename: fall back to -C when -C -C busts the rename limit
diffcore-rename: record filepair for rename src
diffcore-rename: refactor "too many candidates" logic
builtin/diff.c: remove duplicated call to diff_result_code()
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We stop looking for changes early with QUICK, so our diff
queue contains only a subset of the changes. However, we
don't apply diff filters until later; it will appear at that
point as though there are no changes matching our filter,
when in reality we simply didn't keep looking for changes
long enough.
Commit 2cfe8a6 (diff --quiet: disable optimization when
--diff-filter=X is used, 2011-03-16) fixes this in some
cases by disabling the optimization when a filter is
present. However, it only tweaked run_diff_files, missing
the similar case in diff_tree. Thus the fix worked only for
diffing the working tree and index, but not between trees.
Noticed by Yasushi SHOJI.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/maint-config-alias-fix:
handle_options(): do not miscount how many arguments were used
config: always parse GIT_CONFIG_PARAMETERS during git_config
git_config: don't peek at global config_parameters
config: make environment parsing routines static
Conflicts:
config.c
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If you give a zero-length subject prefix to format-patch
(e.g., "format-patch --subject-prefix="), we will print the
ugly:
Subject: [ 1/2] your subject here
because we always insert a space between the prefix and
numbering. Requiring the user to provide the space in their
prefix would be more flexible, but would break existing
usage. This patch provides a DWIM and suppresses the space
for zero-length prefixes, under the assumption that nobody
actually wants "[ 1/2]".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* mk/grep-pcre:
git-grep: Fix problems with recently added tests
git-grep: Update tests (mainly for -P)
Makefile: Pass USE_LIBPCRE down in GIT-BUILD-OPTIONS
git-grep: update tests now regexp type is "last one wins"
git-grep: do not die upon -F/-P when grep.extendedRegexp is set.
git-grep: Bail out when -P is used with -F or -E
grep: Add basic tests
configure: Check for libpcre
git-grep: Learn PCRE
grep: Extract compile_regexp_failed() from compile_regexp()
grep: Fix a typo in a comment
grep: Put calls to fixmatch() and regmatch() into patmatch()
contrib/completion: --line-number to git grep
Documentation: Add --line-number to git-grep synopsis
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Brian Gernhardt reported that test 'git grep -E -F -G a\\+b' fails on
OS X 10.6.7. This is because I assumed \+ is part of BRE, which isn't
true on all platforms.
The easiest way to make this test pass is to just update expected
output, but that would make the test pointless. Its real purpose is to
check whether 'git grep -E -F -G' is different from 'git grep -E -G -F'.
To check that, let's change pattern to "a+b*c". This should return
different match for -G, -F and -E.
I also made two small tweaks to the tests. First, I added path "ab" to
all calls to future-proof tests. Second, I updated last two tests to
better show that 'git grep -P -E' is different from 'git grep -E -P'.
Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/notes-batch-removal:
show: --ignore-missing
notes remove: --stdin reads from the standard input
notes remove: --ignore-missing
notes remove: allow removing more than one
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* jn/run-command-error-failure:
run-command: handle short writes and EINTR in die_child
tests: check error message from run_command
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'git status' should use --porcelain output format when -z is given.
It was not doing so since the _effect_ of using -z, namely that
null_termination would be set, was being checked _before_ option parsing
was performed.
So, move the check so that it is performed after option parsing.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When 'git status' is supplied the -z switch, and no output format has been
selected, it is supposed to use the --porcelain format. This does not
happen. Instead, the standard long format is used. Add a test to
demonstrate this failure.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we finish a rebase, our detached HEAD is at the final
result. We update the original branch ref with this result,
and then point the HEAD symbolic ref at the updated branch.
We write a reflog for the branch update, but not for the
update of HEAD.
Because we're already at the final result on the detached
HEAD, moving to the branch actually doesn't change our
commit sha1 at all. So in that sense, a reflog entry would
be pointless.
However, humans do read reflogs, and an entry saying "rebase
finished: returning to refs/heads/master" can be helpful in
understanding what is going on.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In older versions of git, we used rfc822 header folding to
indicate that the original subject line had multiple lines
in it. But since a1f6baa (format-patch: wrap long header
lines, 2011-02-23), we now use header folding whenever there
is a long line.
This means that "git am" cannot trust header folding as a
sign from format-patch that newlines should be preserved.
Instead, format-patch needs to signal more explicitly that
the newlines are significant. This patch does so by
rfc2047-encoding the newlines in the subject line. No
changes are needed on the "git am" end; it already decodes
the newlines properly.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Without the "-k" option, mailinfo will convert a folded
subject header like:
Subject: this is a
subject that doesn't
fit on one line
into a single line. With "-k", however, we assumed that
these newlines were significant and represented something
that the sending side would want us to preserve.
For messages created by format-patch, this assumption was
broken by a1f6baa (format-patch: wrap long header lines,
2011-02-23). For messages sent by arbitrary MUAs, this was
probably never a good assumption to make, as they may have
been folding subjects in accordance with rfc822's line
length recommendations all along.
This patch now joins folded lines with a single whitespace
character. This treats header folding purely as a syntactic
feature of the transport mechanism, not as something that
format-patch is trying to tell us about the original
subject.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit a1f6baa (format-patch: wrap long header lines,
2011-02-23) changed format-patch's behavior with respect to
long header lines, but made no accompanying changes to the
receiving side. It was thought that "git am" would handle
these folded subjects fine, but there is a regression when
using "am -k".
Let's add a test documenting this. While we're at it, let's
give more complete test coverage to document what should be
happening in each case. We test three types of subjects:
a short one, one long enough to require wrapping, and a
multiline subject. For each, we test these three
combinations:
format-patch | am
format-patch -k | am
format-patch -k | am -k
We don't bother testing "format-patch | am -k", which is
nonsense (you will be adding in [PATCH] cruft to each
subject).
This reveals the regression above (long subjects have
linebreaks introduced via "format-patch -k | am -k"),
as well as an existing non-optimal behavior (multiline
subjects are not preserved using "-k").
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 13fc2c1 (remote: disallow some nonsensical option
combinations, 2011-03-30) made it impossible to use "remote
add -t foo --mirror". The argument was that specifying
specific branches is useless because:
1. Push mirrors do not want a refspec at all.
2. The point of fetch mirroring is to use a broad refspec
like "refs/*", but using "-t" overrides that.
Point (1) is valid; "-t" with push mirrors is useless. But
point (2) ignored another side effect of using --mirror: it
fetches the refs directly into the refs/ namespace as they
are found upstream, instead of placing them in a
separate-remote layout.
So 13fc2c1 was overly constrictive, and disallowed
reasonable specific-branch mirroring, like:
git remote add -t heads/foo -t heads/bar --mirror=fetch
which makes the local "foo" and "bar" branches direct
mirrors of the remote, but does not fetch anything else.
This patch restores the original behavior, but only for
fetch mirrors.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jn/userdiff-perl-updates:
userdiff/perl: tighten BEGIN/END block pattern to reject here-doc delimiters
tests: make test_expect_code quieter on success
userdiff/perl: catch sub with brace on second line
userdiff/perl: match full line of POD headers
userdiff/perl: anchor "sub" and "package" patterns on the left
t4018 (funcname patterns): minor cleanups
t4018 (funcname patterns): make configuration easier to track
t4018 (funcname patterns): make .gitattributes state easier to track
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* jn/ctags-more:
gitweb: Optional grouping of projects by category
gitweb: Modularized git_get_project_description to be more generic
gitweb: Split git_project_list_body in two functions
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jm/maint-diff-words-with-sbe:
do not read beyond end of malloc'd buffer
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Roberto Tyley
Junio C Hamano
Jeff King
Jens Lehmann
Michael Haggerty
Dmitry Ivankov
Jonathan Nieder
Alex Riesen
Michał Kiedrowicz
Brandon Casey