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The auto-tag-following code in "git fetch" tries to reuse the same
transport twice when the serving end does not cooperate and does
not give tags that point to commits that are asked for as part of
the primary transfer. Unfortunately, Git-aware transport helper
interface is not designed to be used more than once, hence this
does not work over smart-http transfer.
* jc/transport-do-not-use-connect-twice-in-fetch:
builtin/fetch.c: Fix a sparse warning
fetch: work around "transport-take-over" hack
fetch: refactor code that fetches leftover tags
fetch: refactor code that prepares a transport
fetch: rename file-scope global "transport" to "gtransport"
t5802: add test for connect helper
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Send a large request to read(2)/write(2) as a smaller but still
reasonably large chunks, which would improve the latency when the
operation needs to be killed and incidentally works around broken
64-bit systems that cannot take a 2GB write or read in one go.
* sp/clip-read-write-to-8mb:
Revert "compat/clipped-write.c: large write(2) fails on Mac OS X/XNU"
xread, xwrite: limit size of IO to 8MB
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* jk/mailmap-incomplete-line:
mailmap: handle mailmap blobs without trailing newlines
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322bb6e (2011 Aug 11) introduced a new subshell at the end of a test
case but omitted a '&&' to join the two; fix this.
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 'maint' of git://github.com/git-l10n/git-po:
l10n: de.po: use "das Tag" instead of "der Tag"
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Use "das Tag" to avoid confusion with the German word "Tag" (day).
Reported-by: Dirk Heinrichs <dirk.heinrichs@altum.de>
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
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The recent "short-cut clone connectivity check" topic broke a shallow
repository when a fetch operation tries to auto-follow tags.
* nd/fetch-pack-shallow-fix:
fetch-pack: do not remove .git/shallow file when --depth is not specified
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Compilation fix on platforms with fgetc() and friends defined as
macros.
* hv/config-from-blob:
config: do not use C function names as struct members
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* maint-1.8.3:
Documentation/git-merge.txt: fix formatting of example block
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* maint-1.8.2:
Documentation/git-merge.txt: fix formatting of example block
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You need at least four dashes in a line to have it recognized as listing
block delimiter by asciidoc.
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* git://github.com/git-l10n/git-po:
l10n: fr.po: hotfix for commit 6b388fc
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* maint-1.8.3:
fix shell syntax error in template
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* maint-1.8.2:
fix shell syntax error in template
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An if clause must not be empty; add a "colon" command.
Signed-off-by: Thorsten Glaser <t.glaser@tarent.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix many typos and add some new translations (1277/2080 messages
translated).
Closes git-l10n/git-po/pull/63.
Signed-off-by: Sebastien Helleu <flashcode@flashtux.org>
Signed-off-by: Jean-Noel Avila <jn.avila@free.fr>
Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
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Sparse issues an "'prepare_transport' was not declared. Should it
be static?" warning. In order to suppress the warning, since this
symbol only requires file scope, we simply add the static modifier
to it's declaration.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The read_mailmap_buf function reads each line of the mailmap
using strchrnul, like:
const char *end = strchrnul(buf, '\n');
unsigned long linelen = end - buf + 1;
But that's off-by-one when we actually hit the NUL byte; our
line does not have a terminator, and so is only "end - buf"
bytes long. As a result, when we subtract the linelen from
the total len, we end up with (unsigned long)-1 bytes left
in the buffer, and we start reading random junk from memory.
We could fix it with:
unsigned long linelen = end - buf + !!*end;
but let's take a step back for a moment. It's questionable
in the first place for a function that takes a buffer and
length to be using strchrnul. But it works because we only
have one caller (and are only likely to ever have this one),
which is handing us data from read_sha1_file. Which means
that it's always NUL-terminated.
Instead of tightening the assumptions to make the
buffer/length pair work for a caller that doesn't actually
exist, let's let loosen the assumptions to what the real
caller has: a modifiable, NUL-terminated string.
This makes the code simpler and shorter (because we don't
have to correlate strchrnul with the length calculation),
correct (because the code with the off-by-one just goes
away), and more efficient (we can drop the extra allocation
we needed to create NUL-terminated strings for each line,
and just terminate in place).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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According to C99, section 7.1.4:
Any function declared in a header may be additionally
implemented as a function-like macro defined in the
header.
Therefore calling our struct member function pointer "fgetc"
may run afoul of unwanted macro expansion when we call:
char c = cf->fgetc(cf);
This turned out to be a problem on uclibc, which defines
fgetc as a macro and causes compilation failure.
The standard suggests fixing this in a few ways:
1. Using extra parentheses to inhibit the function-like
macro expansion. E.g., "(cf->fgetc)(cf)". This is
undesirable as it's ugly, and each call site needs to
remember to use it (and on systems without the macro,
forgetting will compile just fine).
2. Using #undef (because a conforming implementation must
also be providing fgetc as a function). This is
undesirable because presumably the implementation was
using the macro for a performance benefit, and we are
dropping that optimization.
Instead, we can simply use non-colliding names.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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fetch_pack() can remove .git/shallow file when a shallow repository
becomes a full one again. This behavior is triggered incorrectly when
tags are also fetched because fetch_pack() will be called twice. At
the first fetch_pack() call:
- shallow_lock is set up
- alternate_shallow_file points to shallow_lock.filename, which is
"shallow.lock"
- commit_lock_file is called, which sets shallow_lock.filename to "".
alternate_shallow_file also becomes "" because it points to the
same memory.
At the second call, setup_alternate_shallow() is not called and
alternate_shallow_file remains "". It's mistaken as unshallow case and
.git/shallow is removed. The end result is a broken repository.
Fix this by always initializing alternate_shallow_file when
fetch_pack() is called. As an extra measure, check if args->depth > 0
before commit/rollback shallow file.
Reported-by: Kacper Kornet <kornet@camk.edu.pl>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
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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This reverts commit 6c642a878688adf46b226903858b53e2d31ac5c3.
The previous commit introduced a size limit on IO chunks on all
platforms. The compat clipped_write() is not needed anymore.
Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Checking out 2GB or more through an external filter (see test) fails
on Mac OS X 10.8.4 (12E55) for a 64-bit executable with:
error: read from external filter cat failed
error: cannot feed the input to external filter cat
error: cat died of signal 13
error: external filter cat failed 141
error: external filter cat failed
The reason is that read() immediately returns with EINVAL when asked
to read more than 2GB. According to POSIX [1], if the value of
nbyte passed to read() is greater than SSIZE_MAX, the result is
implementation-defined. The write function has the same restriction
[2]. Since OS X still supports running 32-bit executables, the
32-bit limit (SSIZE_MAX = INT_MAX = 2GB - 1) seems to be also
imposed on 64-bit executables under certain conditions. For write,
the problem has been addressed earlier [6c642a].
Address the problem for read() and write() differently, by limiting
size of IO chunks unconditionally on all platforms in xread() and
xwrite(). Large chunks only cause problems, like causing latencies
when killing the process, even if OS X was not buggy. Doing IO in
reasonably sized smaller chunks should have no negative impact on
performance.
The compat wrapper clipped_write() introduced earlier [6c642a] is
not needed anymore. It will be reverted in a separate commit. The
new test catches read and write problems.
Note that 'git add' exits with 0 even if it prints filtering errors
to stderr. The test, therefore, checks stderr. 'git add' should
probably be changed (sometime in another commit) to exit with
nonzero if filtering fails. The test could then be changed to use
test_must_fail.
Thanks to the following people for suggestions and testing:
Johannes Sixt <j6t@kdbg.org>
John Keeping <john@keeping.me.uk>
Jonathan Nieder <jrnieder@gmail.com>
Kyle J. McKay <mackyle@gmail.com>
Linus Torvalds <torvalds@linux-foundation.org>
Torsten Bögershausen <tboegi@web.de>
[1] http://pubs.opengroup.org/onlinepubs/009695399/functions/read.html
[2] http://pubs.opengroup.org/onlinepubs/009695399/functions/write.html
[6c642a] commit 6c642a878688adf46b226903858b53e2d31ac5c3
compate/clipped-write.c: large write(2) fails on Mac OS X/XNU
Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As we had to revert two topics at the last minute, let's have
another (hopefully short) round of rc to make sure the final release
will be sound.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This reverts commit cdfd94837b27c220f70f032b596ea993d195488f, as it
does not just apply to "@" (and forms with modifiers like @{u}
applied to it), but also affects e.g. "refs/heads/@/foo", which it
shouldn't.
The basic idea of giving a short-hand might be good, and the topic
can be retried later, but let's revert to avoid affecting existing
use cases for now for the upcoming release.
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This reverts commit a73653130edd6a8977106d45a8092c09040f9132, as it
has been reported that "ls-files --killed" is too time-consuming in
a deep directory with too many untracked crufts (e.g. $HOME/.git
tracking only a few files).
We'd need to revisit it later but "ls-files --killed" needs to be
optimized before it happens.
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* git://github.com/git-l10n/git-po:
l10n: Add reference for french translation team
l10n: fr.po: 821/2112 messages translated
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* sb/mailmap-updates:
.mailmap: Combine more (name, email) to individual persons
.mailmap: update long-lost friends with multiple defunct addresses
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Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A handful of past contributors are recorded with multiple e-mail
addresses, all of which are undeliverable. With a lot of help from
Jonathan, we located all of them except for one person, and a pair
of addresses we suspect belong to a single person but we are not
certain.
Update the found ones with their currently preferred address, and
use the last known address to consolidate contributions by the lost
one.
Helped-by: Stefan Beller <stefanbeller@googlemail.com>
Helped-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Jean-Noel Avila <jn.avila@free.fr>
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Trying to focus on most useful phrases.
Signed-off-by: Jean-Noel Avila <jn.avila@free.fr>
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* maint:
parse-options: fix clang opterror() -Wunused-value warning
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* 'master' of git://github.com/git-l10n/git-po:
l10n: de.po: translate 5 messages
l10n: de.po: translate 99 new messages
l10n: de.po: switch from pure German to German+English
l10n: de.po: Fix a typo
l10n: Update Swedish translation (2135t0f0u)
l10n: zh_CN.po: translate 5 messages (2135t0f0u)
l10n: vi.po(2135t): v1.8.4 round 2
l10n: git.pot: v1.8.4 round 2 (5 new, 3 removed)
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* jk/submodule-subdirectory-ok:
t/t7407: fix two typos in submodule tests
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* sb/mailmap-updates:
.mailmap: fixup entries
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This patch adds no new names, but fixes the mistakes I made in the previous
commits. (94b410bba8, f4f49e225, c07a6bc57, 2013-07-12, .mailmap: Map
email addresses to names).
These mistakes are double white spaces between name and surname,
different capitalization in email address, or just the email address set
as name.
Also I forgot to include James Knight to the mailmap file.
Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In t/t7407-submodule-foreach.sh there is a typo in one of the
path names given for a test step. The correct path is
nested1/nested2/.git, but nested1/nested1/nested2/.git is
given instead. The typo is hidden because this line also
accidentally omits the && chain operator. The omitted chain
also means the return values of all the previous commands in
this test are also being ignored.
Fix the path and add the chain operator so the entire test
sequence can be properly validated.
Signed-off-by: Phil Hord <hordp@cisco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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a469a1019352b8ef (silence some -Wuninitialized false positives;
2012-12-15) triggered "unused value" warnings when the return value of
opterror() and several other error-related functions was not used.
5ded807f7c0be10e (fix clang -Wunused-value warnings for error functions;
2013-01-16) applied a fix by adding #if !defined(__clang__) in cache.h
and git-compat-util.h, but misspelled it as #if !defined(clang) in
parse-options.h. Fix this.
This mistake went unnoticed because existing callers of opterror()
utilize its return value. 1158826394e162c5 (parse-options: add
OPT_CMDMODE(); 2013-07-30), however, adds a new invocation of opterror()
which ignores the return value, thus triggering the "unused value"
warning.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Translate 5 new messages came from git.pot update in b8ecf23
(l10n: git.pot: v1.8.4 round 2 (5 new, 3 removed)).
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
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Translate 99 new messages came from git.pot update in
28b3cff (l10n: git.pot: v1.8.4 round 1 (99 new, 46 removed)).
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
Acked-by: Thomas Rast <trast@inf.ethz.ch>
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This is with mostly minor documentation and test updates, nothing
spectacular except for removal of funky lstat(2) emulation on Cygwin.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This switches the translation from pure German to German+English.
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
Acked-by: Thomas Rast <trast@inf.ethz.ch>
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Signed-off-by: Wieland Hoffmann <themineo@gmail.com>
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A Git-aware "connect" transport allows the "transport_take_over" to
redirect generic transport requests like fetch(), push_refs() and
get_refs_list() to the native Git transport handling methods. The
take-over process replaces transport->data with a fake data that
these method implementations understand.
While this hack works OK for a single request, it breaks when the
transport needs to make more than one requests. transport->data
that used to hold necessary information for the specific helper to
work correctly is destroyed during the take-over process.
One codepath that this matters is "git fetch" in auto-follow mode;
when it does not get all the tags that ought to point at the history
it got (which can be determined by looking at the peeled tags in the
initial advertisement) from the primary transfer, it internally
makes a second request to complete the fetch. Because "take-over"
hack has already destroyed the data necessary to talk to the
transport helper by the time this happens, the second request cannot
make a request to the helper to make another connection to fetch
these additional tags.
Mark such a transport as "cannot_reuse", and use a separate
transport to perform the backfill fetch in order to work around
this breakage.
Note that this problem does not manifest itself when running t5802,
because our upload-pack gives you all the necessary auto-followed
tags during the primary transfer. You would need to step through
"git fetch" in a debugger, stop immediately after the primary
transfer finishes and writes these auto-followed tags, remove the
tag references and repack/prune the repository to convince the
"find-non-local-tags" procedure that the primary transfer failed to
give us all the necessary tags, and then let it continue, in order
to trigger the bug in the secondary transfer this patch fixes.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Usually the upload-pack process running on the other side will give
us all the reachable tags we need during the primary object transfer
in do_fetch(). If that does not happen (e.g. the other side may be
running a third-party implementation of upload-pack), we will run
another fetch to pick up leftover tags that we know point at the
commits reachable from our updated tips.
Separate out the code to run this second fetch into a helper
function.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Make a helper function prepare_transport() that returns a transport
to talk to a given remote.
The set_option() helper that used to always affect the file-scope
global "gtransport" now takes a transport as its parameter.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Tay Ray Chuan
Ralf Thielow
Andreas Schwab
Thorsten Glaser
Sebastien Helleu
Ramsay Jones
Jeff King
Nguyễn Thái Ngọc Duy
Steffen Prohaska
Stefan Beller
Matthieu Moy
Jean-Noel Avila
Phil Hord
Eric Sunshine
Wieland Hoffmann