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Some calls to strcpy(3) triggers a false warning from static
analysers that are less intelligent than humans, and reducing the
number of these false hits helps us notice real issues. A few
calls to strcpy(3) in test-path-utils that are already safe has
been rewritten to avoid false wanings.
* jk/test-path-utils-xsnprintf:
test-path-utils: use xsnprintf in favor of strcpy
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This strcpy will never overflow because it's copying from
baked-in test data. But we would prefer to avoid strcpy
entirely, as it makes it harder to audit for real security
bugs.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "user.useConfigOnly" configuration variable can be used to
force the user to always set user.email & user.name configuration
variables, serving as a reminder for those who work on multiple
projects and do not want to put these in their $HOME/.gitconfig.
* da/user-useconfigonly:
ident: add user.useConfigOnly boolean for when ident shouldn't be guessed
fmt_ident: refactor strictness checks
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It used to be that:
git config --global user.email "(none)"
was a viable way for people to force themselves to set user.email in
each repository. This was helpful for people with more than one
email address, targeting different email addresses for different
clones, as it barred git from creating a commit unless the user.email
config was set in the per-repo config to the correct email address.
A recent change, 19ce497c (ident: keep a flag for bogus
default_email, 2015-12-10), however, declared that an explicitly
configured user.email is not bogus, no matter what its value is, so
this hack no longer works.
Provide the same functionality by adding a new configuration
variable user.useConfigOnly; when this variable is set, the
user must explicitly set user.email configuration.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Dan Aloni <alonid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function has evolved quite a bit over time, and as a
result, the logic for "is this an OK ident" has been
sprinkled throughout. This ends up with a lot of redundant
conditionals, like checking want_name repeatedly. Worse,
we want to know in many cases whether we are using the
"default" ident, and we do so by comparing directly to the
global strbuf, which violates the abstraction of the
ident_default_* functions.
Let's reorganize the function into a hierarchy of
conditionals to handle similar cases together. The only
case that doesn't just work naturally for this is that of an
empty name, where our advice is different based on whether
we came from ident_default_name() or not. We can use a
simple flag to cover this case.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The automatic typo correction applied to an alias was broken
with a recent change already in 'master'.
* nd/clear-gitenv-upon-use-of-alias:
restore_env(): free the saved environment variable once we are done
git: simplify environment save/restore logic
git: protect against unbalanced calls to {save,restore}_env()
git: remove an early return from save_env_before_alias()
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Just like we free orig_cwd, which is the value of the original
working directory saved in save_env_before_alias(), once we are
done with it, the contents of orig_env[] array, saved in the
save_env_before_alias() function should be freed; otherwise,
the second and subsequent calls to save/restore pair will leak
the memory allocated in save_env_before_alias().
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The only code that cares about the value of the global variable
saved_env_before_alias after the previous fix is handle_builtin()
that turns into a glorified no-op when the variable is true, so the
logic could safely be lifted to its caller, i.e. the caller can
refrain from calling it when the variable is set.
This variable tells us if save_env_before_alias() was called (with
or without matching restore_env()), but the sole caller of the
function, handle_alias(), always calls it as the first thing, so we
can consider that the variable essentially keeps track of the fact
that handle_alias() has ever been called.
It turns out that handle_builtin() and handle_alias() are called
only from one function in a way that the value of the variable
matters, which is run_argv(), and it already keeps track of the
fact that it already called handle_alias().
So we can simplify the whole thing by:
- Change handle_builtin() to always make a direct call to the
builtin implementation it finds, and make sure the caller
refrains from calling it if handle_alias() has ever been
called;
- Remove saved_env_before_alias variable, and instead use the
local "done_alias" variable maintained inside run_argv() to
make the same decision.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We made sure that save_env_before_alias() does not skip saving the
environment when asked to (which led to use-after-free of orig_cwd
in restore_env() in the buggy version) with the previous step.
Protect against future breakage where somebody adds new callers of
these functions in an unbalanced fashion.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When help.autocorrect is in effect, an attempt to auto-execute an
uniquely corrected result of a misspelt alias will result in an
irrelevant error message. The codepath that causes this calls
save_env_before_alias() and restore_env() in handle_alias(), and
that happens twice. A global variable orig_cwd is allocated to hold
the return value of getcwd() in save_env_before_alias(), which is
then used in restore_env() to go back to that directory and finally
free(3)'d there.
However, save_env_before_alias() is not prepared to be called twice.
It returns early when it knows it has already been called, leaving
orig_cwd undefined, which is then checked in the second call to
restore_env(), and by that time, the memory that used to hold the
contents of orig_cwd is either freed or reused to hold something
else, and this is fed to chdir(2), causing it to fail. Even if it
did not fail (i.e. reading of the already free'd piece of memory
yielded a directory path that we can chdir(2) to), it then gets
free(3)'d.
Fix this by making sure save_env() does do the saving when called.
While at it, add a minimal test for help.autocorrect facility.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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An earlier adjustment of test mistakenly used write_script
to prepare a file whose exact content matters for the test;
reverting that part fixes the breakage for those who use
SHELL_PATH that is different from /bin/sh.
* mg/mingw-test-fix:
t9100: fix breakage when SHELL_PATH is not /bin/sh
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bcb11f1 (mingw: mark t9100's test cases with appropriate prereqs, 2016-01-27)
replaced "/bin/sh" in exec.sh by the shell specified in SHELL_PATH, but
that breaks the subtest which checks for a specific checksum of a tree
containing.
Revert that change that was not explained in the commit message anyways
(exec.sh is never executed).
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test scripts have been updated to remove assumptions that are not
portable between Git for POSIX and Git for Windows, or to skip ones
with expectations that are not satisfiable on Git for Windows.
* js/mingw-tests: (21 commits)
gitignore: ignore generated test-fake-ssh executable
mingw: do not bother to test funny file names
mingw: skip a test in t9130 that cannot pass on Windows
mingw: handle the missing POSIXPERM prereq in t9124
mingw: avoid illegal filename in t9118
mingw: mark t9100's test cases with appropriate prereqs
t0008: avoid absolute path
mingw: work around pwd issues in the tests
mingw: fix t9700's assumption about directory separators
mingw: skip test in t1508 that fails due to path conversion
tests: turn off git-daemon tests if FIFOs are not available
mingw: disable mkfifo-based tests
mingw: accomodate t0060-path-utils for MSYS2
mingw: fix t5601-clone.sh
mingw: let lstat() fail with errno == ENOTDIR when appropriate
mingw: try to delete target directory before renaming
mingw: prepare the TMPDIR environment variable for shell scripts
mingw: factor out Windows specific environment setup
Git.pm: stop assuming that absolute paths start with a slash
mingw: do not trust MSYS2's MinGW gettext.sh
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In "mingw: fix t5601-clone.sh", this developer introduced a new test
executable, test-fake-ssh but forgot to update the .gitignore file
accordingly. Fix that.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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MSYS2 actually allows to create files or directories whose names contain
tabs, newlines or colors, even if plain Win32 API cannot access them.
As we are using an MSYS2 bash to run the tests, such files or
directories are created successfully, but Git itself has no chance to
work with them because it is a regular Windows program, hence limited by
the Win32 API.
With this change, on Windows otherwise failing tests in
t3300-funny-names.sh, t3600-rm.sh, t3703-add-magic-pathspec.sh,
t3902-quoted.sh, t4016-diff-quote.sh, t4135-apply-weird-filenames.sh,
t9200-git-cvsexportcommit.sh, and t9903-bash-prompt.sh are skipped.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Windows, Git itself has no clue about POSIX paths, but its shell
scripts do. In this instance, we get mixed paths as a result, and when
comparing the path of the author file, we get a mismatch that is
entirely due to the POSIX path vs Windows path clash.
Let's just skip this test so that t9130-git-svn-authors-file.sh passes
in Git for Windows' SDK.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Windows, the permission system works completely differently than
expected by some of the tests. So let's make sure that we do not test
POSIX functionality on Windows.
This lets t9124-git-svn-dcommit-auto-props.sh pass in Git for Windows'
SDK.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Windows' file systems, file names with trailing dots are forbidden.
The POSIX emulation layer used by Git for Windows' Subversion emulates
those file names, therefore the test adding the file would actually
succeed, but when we would ask git.exe (which does not leverage the
POSIX emulation layer) to check out the tree, it would fail.
Let's just guard the test using a filename that is illegal on Windows
by the MINGW prereq.
This lets t9118-git-svn-funky-branch-names.sh pass in Git for Windows'
SDK.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Many a test requires either POSIXPERM (to change the executable bit) or
SYMLINKS, and neither are available on Windows.
This lets t9100-git-svn-basic.sh pass in Git for Windows' SDK.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The colon is used by check-ignore to separate paths from other output
values. If we use an absolute path, however, on Windows it will be
converted into a Windows path that very much contains a colon.
It is actually not at all necessary to make the path of the global
excludes absolute, so let's just not even do that.
Based on suggestions by Karsten Blees and Junio Hamano.
Suggested-by: Karsten Blees <karsten.blees@gmail.com>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In Git for Windows' SDK, the tests are run using a Bash that relies on
the POSIX emulation layer MSYS2 (itself a friendly fork of Cygwin). As
such, paths in tests can be POSIX paths. As soon as those paths are
passed to git.exe (which does *not* use the POSIX emulation layer),
those paths are converted into Windows paths, though. This happens
for command-line parameters, but not when reading, say, config variables.
To help with that, the `pwd` command is overridden to return the Windows
path of the current working directory when testing Git on Windows.
However, when talking to anything using the POSIX emulation layer, it is
really much better to use POSIX paths because Windows paths contain a
colon after the drive letter that will easily be mistaken for the common
separator in path lists.
So let's just use the $PWD variable when the POSIX path is needed.
This lets t7800-difftool.sh, t9400-git-cvsserver-server.sh,
t9402-git-cvsserver-refs.sh and t9401-git-cvsserver-crlf.sh pass in Git
for Windows' SDK.
Note: the cvsserver tests require not only the `cvs` package (install
it into Git for Windows' SDK via `pacman -S cvs`) but also the Perl
SQLite bindings (install them into Git for Windows' SDK via
`cpan DBD::SQLite`).
This patch is based on earlier work by 마누엘 and Karsten Blees.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This test assumed that there is only one directory separator (the
forward slash), not two equivalent directory separators.
However, on Windows, the back slash and the forward slash *are*
equivalent.
Let's paper over this issue by converting the backward slashes to
forward ones in the test that fails with MSYS2 otherwise.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In Git for Windows, the MSYS2 POSIX emulation layer used by the Bash
converts command-line arguments that looks like they refer to a POSIX
path containing a file list (i.e. @<absolute-path>) into a Windows path
equivalent when calling non-MSYS2 executables, such as git.exe.
Let's just skip the test that uses the parameter `@/at-test` that
confuses the MSYS2 runtime.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The Git daemon tests create a FIFO first thing and will hang if said
FIFO is not available.
This is a problem with Git for Windows, where `mkfifo` is an MSYS2
program that leverages MSYS2's POSIX emulation layer, but
`git-daemon.exe` is a MINGW program that has not the first clue about
that POSIX emulation layer and therefore blinks twice when it sees
MSYS2's emulated FIFOs and then just stares into space.
This lets t5570-git-daemon.sh and t5811-proto-disable-git.sh pass.
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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MSYS2 (the POSIX emulation layer used by Git for Windows' Bash) actually
has a working mkfifo. The only problem is that it is only emulating
named pipes through the MSYS2 runtime; The Win32 API has no idea about
named pipes, hence the Git executable cannot access those pipes either.
The symptom is that Git fails with a '<name>: No such file or directory'
because MSYS2 emulates named pipes through special-crafted '.lnk' files.
The solution is to tell the test suite explicitly that we cannot use
named pipes when we want to test on Windows.
This lets t4056-diff-order.sh, t9010-svn-fe.sh and t9300-fast-import.sh
pass.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Windows, there are no POSIX paths, only Windows ones (an absolute
Windows path looks like "C:\Program Files\Git\ReleaseNotes.html", under
most circumstances, forward slashes are also allowed and synonymous to
backslashes).
So when a POSIX shell (such as MSYS2's Bash, which is used by Git for
Windows to execute all those shell scripts that are part of Git) passes
a POSIX path to test-path-utils.exe (which is not POSIX-aware), the path
is translated into a Windows path. For example, /etc/profile becomes
C:/Program Files/Git/etc/profile.
This path translation poses a problem when passing the root directory as
parameter to test-path-utils.exe, as it is not well defined whether the
translated root directory should end in a slash or not. MSys1 stripped
the trailing slash, but MSYS2 does not.
Originally, the Git for Windows project patched MSYS2's runtime to
accomodate Git's regression test, but we really should do it the other
way round.
To work with both of MSys1's and MSYS2's behaviors, we simply test what
the current system does in the beginning of t0060-path-utils.sh and then
adjust the expected longest ancestor length accordingly.
It looks quite a bit tricky what we actually do in this patch: first, we
adjust the expected length for the trailing slash we did not originally
expect (subtracting one). So far, so good.
But now comes the part where things work in a surprising way: when the
expected length was 0, the prefix to match is the root directory. If the
root directory is converted into a path with a trailing slash, however,
we know that the logic in longest_ancestor_length() cannot match: to
avoid partial matches of the last directory component, it verifies that
the character after the matching prefix is a slash (but because the
slash was part of the matching prefix, the next character cannot be a
slash). So the return value is -1. Alas, this is exactly what the
expected length is after subtracting the value of $rootslash! So we skip
adding the $rootoff value in that case (and only in that case).
Directories other than the root directory are handled fine (as they are
specified without a trailing slash, something not possible for the root
directory, and MSYS2 converts them into Windows paths that also lack
trailing slashes), therefore we do not need any more special handling.
Thanks to Ray Donnelly for his patient help with this issue.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since baaf233 (connect: improve check for plink to reduce false
positives, 2015-04-26), t5601 writes out a `plink.exe` for testing that
is actually a shell script. So the assumption that the `.exe` extension
implies that the file is *not* a shell script is now wrong.
Since there was no love for the idea of allowing `.exe` files to be
shell scripts on Windows, let's go the other way round: *make*
`plink.exe` a real `.exe`.
This fixes t5601-clone.sh in Git for Windows' SDK.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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POSIX semantics requires lstat() to fail with ENOTDIR when "[a]
component of the path prefix names an existing file that is neither a
directory nor a symbolic link to a directory".
See http://pubs.opengroup.org/onlinepubs/9699919799/functions/lstat.html
This behavior is expected by t1404-update-ref-df-conflicts now.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the rename() function tries to move a directory it fails if the
target directory exists. It should check if it can delete the (possibly
empty) target directory and then try again to move the directory.
This partially fixes t9100-git-svn-basic.sh.
Signed-off-by: 마누엘 <nalla@hamal.uberspace.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When shell scripts access a $TMPDIR variable containing backslashes,
they will be mistaken for escape characters. Let's not let that happen
by converting them to forward slashes.
This partially fixes t7800 with MSYS2.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We will add more environment-related code to that new function
in the next patch.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Windows, absolute paths never start with a slash, unless a POSIX
emulation layer is used. The latter is the case for MSYS2's Perl that
Git for Windows leverages. However, in the tests we also go through
plain `git.exe`, which does *not* leverage the POSIX emulation layer,
and therefore the paths we pass to Perl may actually be DOS-style paths
such as C:/Program Files/Git.
So let's just use Perl's own way to test whether a given path is
absolute or not instead of home-brewing our own.
This patch partially fixes t7800 and t9700 when running in Git for
Windows' SDK.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It does not quite work because it produces DOS line endings which the
shell does not like at all.
This lets t0200-gettext-basic.sh, t0204-gettext-reencode-sanity.sh,
t3406-rebase-message.sh, t3903-stash.sh, t7400-submodule-basic.sh,
t7401-submodule-summary.sh, t7406-submodule-update.sh and
t7407-submodule-foreach.sh pass in Git for Windows' SDK.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This solves two problems:
- we now have proper localisation even on Windows
- we sidestep the infamous "BUG: your vsnprintf is broken (returned -1)"
message when running "git init" (which otherwise prevents the entire
test suite from running) because libintl.h overrides vsnprintf() with
libintl_vsnprintf() [*1*]
The latter issue is rather crucial, as *no* test passes in Git for
Windows without this fix.
Footnote *1*: gettext_git=http://git.savannah.gnu.org/cgit/gettext.git
$gettext_git/tree/gettext-runtime/intl/libgnuintl.in.h#n380
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It turns out "git clone" over rsync transport has been broken when
the source repository has packed references for a long time, and
nobody noticed nor complained about it.
* jk/drop-rsync-transport:
transport: drop support for git-over-rsync
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The git-over-rsync protocol is inefficient and broken, and
has been for a long time. It transfers way more objects than
it needs (grabbing all of the remote's "objects/",
regardless of which objects we need). It does its own ad-hoc
parsing of loose and packed refs from the remote, but
doesn't properly override packed refs with loose ones,
leading to garbage results (e.g., expecting the other side
to have an object pointed to by a stale packed-refs entry,
or complaining that the other side has two copies of the
refs[1]).
This latter breakage means that nobody could have
successfully pulled from a moderately active repository
since cd547b4 (fetch/push: readd rsync support, 2007-10-01).
We never made an official deprecation notice in the release
notes for git's rsync protocol, but the tutorial has marked
it as such since 914328a (Update tutorial., 2005-08-30).
And on the mailing list as far back as Oct 2005, we can find
Junio mentioning it as having "been deprecated for quite
some time."[2,3,4]. So it was old news then; cogito had
deprecated the transport in July of 2005[5] (though it did
come back briefly when Linus broke git-http-pull!).
Of course some people professed their love of rsync through
2006, but Linus clarified in his usual gentle manner[6]:
> Thanks! This is why I still use rsync, even though
> everybody and their mother tells me "Linus says rsync is
> deprecated."
No. You're using rsync because you're actively doing
something _wrong_.
The deprecation sentiment was reinforced in 2008, with a
mention that cloning via rsync is broken (with no fix)[7].
Even the commit porting rsync over to C from shell (cd547b4)
lists it as deprecated! So between the 10 years of informal
warnings, and the fact that it has been severely broken
since 2007, it's probably safe to simply remove it without
further deprecation warnings.
[1] http://article.gmane.org/gmane.comp.version-control.git/285101
[2] http://article.gmane.org/gmane.comp.version-control.git/10093
[3] http://article.gmane.org/gmane.comp.version-control.git/17734
[4] http://article.gmane.org/gmane.comp.version-control.git/18911
[5] http://article.gmane.org/gmane.comp.version-control.git/5617
[6] http://article.gmane.org/gmane.comp.version-control.git/19354
[7] http://article.gmane.org/gmane.comp.version-control.git/103635
Signed-off-by: Jeff King <peff@peff.net>
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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The emulated "yes" command used in our test scripts has been
tweaked not to spend too much time generating unnecessary output
that is not used, to help those who test on Windows where it would
not stop until it fills the pipe buffer due to lack of SIGPIPE.
* js/test-lib-windows-emulated-yes:
test-lib: limit the output of the yes utility
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On Windows, there is no SIGPIPE. A consequence of this is that the
upstream process of a pipe does not notice the death of the downstream
process until the pipe buffer is full and writing more data returns an
error. This behavior is the reason for an annoying delay during the
execution of t7610-mergetool.sh: There are a number of test cases where
'yes' is invoked upstream. Since the utility is basically an endless
loop it runs, on Windows, until the pipe buffer is full. This does take
a few seconds.
The test suite has its own implementation of 'yes'. Modify it to produce
only a limited amount of output that is sufficient for the test suite.
The amount chosen should be sufficiently high for any test case, assuming
that future test cases will not exaggerate their demands of input from
an upstream 'yes' invocation.
[j6t: commit message]
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A new "<branch>^{/!-<pattern>}" notation can be used to name a
commit that is reachable from <branch> that does not match the
given <pattern>.
* wp/sha1-name-negative-match:
object name: introduce '^{/!-<negative pattern>}' notation
test for '!' handling in rev-parse's named commits
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To name a commit, you can now use the :/!-<negative pattern> regex
style, and consequentially, say
$ git rev-parse HEAD^{/!-foo}
and it will return the hash of the first commit reachable from HEAD,
whose commit message does not contain "foo". This is the opposite of the
existing <rev>^{/<pattern>} syntax.
The specific use-case this is intended for is to perform an operation,
excluding the most-recent commits containing a particular marker. For
example, if you tend to make "work in progress" commits, with messages
beginning with "WIP", you work, then it could be useful to diff against
"the most recent commit which was not a WIP commit". That sort of thing
now possible, via commands such as:
$ git diff @^{/!-^WIP}
The leader '/!-', rather than simply '/!', to denote a negative match,
is chosen to leave room for additional modifiers in the future.
Signed-off-by: Will Palmer <wmpalmer@gmail.com>
Signed-off-by: Stephen P. Smith <ischis2@cox.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In anticipation of extending this behaviour, add tests verifying the
handling of exclamation marks when looking up a commit "by name".
Specifically, as documented: '<rev>^{/!Message}' should fail, as the '!'
prefix is reserved; while '<rev>^{!!Message}' should search for a commit
whose message contains the string "!Message".
Signed-off-by: Will Palmer <wmpalmer@gmail.com>
Signed-off-by: Stephen P. Smith <ischis2@cox.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Various clean-ups to the command line option parsing.
* jk/options-cleanup:
apply, ls-files: simplify "-z" parsing
checkout-index: disallow "--no-stage" option
checkout-index: handle "--no-index" option
checkout-index: handle "--no-prefix" option
checkout-index: simplify "-z" option parsing
give "nbuf" strbuf a more meaningful name
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As a short option, we cannot handle negation. Thus a callback
handling "unset" is overkill, and we can just use OPT_SET_INT
instead to handle setting the option.
Anybody who adds "--nul" synonym to this later would need to be
careful not to break "--no-nul", which should mean that lines are
terminated with LF at the end.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We do not really expect people to use "--no-stage", but if
they do, git currently segfaults. We could instead have it
undo the effects of a previous "--stage", but this gets
tricky around the "to_tempfile" flag. We cannot simply reset
it to 0, because we don't know if it was set by a previous
"--stage=all" or an explicit "--temp" option.
We could solve this by setting a flag and resolving
to_tempfile later, but it's not worth the effort. Nobody
actually wants to use "--no-stage"; we are just trying to
fix a potential segfault here.
While we're in the area, let's improve the user-facing
messages for this option. The error string should be
translatable, and we should give some hint in the "-h"
output about what can go in the argument field.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The parsing of "--index" is done in a callback, but it does
not handle an "unset" option. We don't necessarily expect
anyone to use this, but the current behavior is to treat it
exactly like "--index", which would probably be surprising.
Instead, let's just turn it into an OPT_BOOL, and handle it
after we're done parsing. This makes "--no-index" just work
(it cancels a previous "--index").
As a bonus, this makes the logic easier to follow. The old
code opened the index during the option parsing, leaving the
reader to wonder if there was some timing issue (there
isn't; none of the other options care that we've opened it).
And then if we found that "--prefix" had been given, we had
to rollback the index. Now we can simply avoid opening it in
the first place.
Note that it might make more sense for checkout-index to
complain when "--index --prefix=foo" is given (rather than
silently ignoring "--index"), but since it has been that way
since 415e96c ([PATCH] Implement git-checkout-cache -u to
update stat information in the cache., 2005-05-15), it's
safer to leave it as-is.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We use a custom callback to parse "--prefix", but it does
not handle the "unset" case. As a result, passing
"--no-prefix" will cause a segfault.
We can fix this by switching it to an OPT_STRING, which
makes "--no-prefix" counteract a previous "--prefix". Note
that this assigns NULL, so we bump our default-case
initialization to lower in the main function.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that we act as a simple bool, there's no need to use a
custom callback.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's a common pattern in our code to read paths from stdin,
separated either by newlines or NULs, and unquote as
necessary. In each of these five cases we use "nbuf" to
temporarily store the unquoted value. Let's give it the more
meaningful name "unquoted", which makes it easier to
understand the purpose of the variable.
While we're at it, let's also static-initialize all of our
strbufs. It's not wrong to call strbuf_init, but it
increases the cognitive load on the reader, who might wonder
"do we sometimes avoid initializing them? why?".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git push --force-with-lease" has been taught to report if the push
needed to force (or fast-forwarded).
* aw/push-force-with-lease-reporting:
push: fix ref status reporting for --force-with-lease
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