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This section is a subsection of the "Examples" section.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Actually, we should have a competition for the favorite example commit.
Criteria:
- length: one-line changes with one-line comments preferred,
and no long lines
- significance/memorability
- comic value
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Use the word "commit" as a synonym for "version" from the start.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Just cutting out a few unnecessary words.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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The immediate motivation for writing this section was to explain the
various places ignore patterns could be used. However, I still think
.gitignore is the case most people will want to learn about first. It
also makes it a bit more concrete to introduce ignore patterns in the
context of .gitignore first. And the existance of gitignore(5) relieves
the pressure to explain it all here.
So, stick to the .gitignore example, with only a brief mention of the
others, explain the syntax only by example, and leave the rest to
gitignore(5).
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Johan Herland <johan@herland.net>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-add -u also takes the path limiters, but unlike the
command without the -u option, the code forgot that it
could be invoked from a subdirectory, and did not correctly
handle the prefix.
Signed-off-by: Salikh Zakirov <salikh@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This applies to 'maint' to fix a rather serious data corruption
issue. When "git add -u" affects a subdirectory in such a way
that the only changes to its contents are path removals, the
next tree object written out of that index was bogus, as the
remove codepath forgot to invalidate the cache-tree entry.
Reported by Salikh Zakirov.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We attempt to remove directory that becomes empty after removal
of a file. We should do the same when we rename an existing
file away.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If you have a working tree _file_ "foo", attempt to refer to a
branch "foo/bar" without -- to disambiguate, like this:
$ git log foo/bar
tried to make sure that foo/bar cannot be naming a working tree
file "foo/bar" (in which case we would say "which one do you
want? A rev or a working tree file? clarify with -- please").
We run lstat("foo/bar") to check that. If it does not succeed,
there is no ambiguity.
That is good. But we also checked the error status for the
lstat() and expected it to fail with ENOENT. In this particular
case, however, it fails with ENOTDIR. That should be treated as
"expected error" as well.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For the html output we can use a stylesheet to make sure that the
listingblocks are presented in a monospaced font. For the manpages do
it manually by inserting a ".ft C" before and ".ft" after the block in
question.
In order for these roff commands to get through to the manpage they
have to be element encoded to prevent quoting.
Signed-off-by: Julian Phillips <julian@quantumfyre.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git checkout-index" checks out path A/B/C, it makes sure A
and A/B are truly directories; if there is a regular file or
symlink at A, we prefer to remove it.
We used to do this by catching an error return from mkdir(2),
and on EEXIST did unlink(2), and when it succeeded, tried
another mkdir(2).
Thomas Glanzmann found out the above does not work on Solaris
for a root user, as unlink(2) was so old fashioned there that it
allowed to unlink a directory.
As pointed out, this still doesn't guarantee that git won't call
"unlink()" on a directory (race conditions etc), but that's
fundamentally true (there is no "funlink()" like there is
"fstat()"), and besides, that is in no way git-specific (ie it's
true of any application that gets run as root).
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
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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Earlier in 16a4c61, we taught "read-tree -m -u" not to be
confused when switching from a branch that has a path frotz/filfre
to another branch that has a symlink frotz that points at xyzzy/
directory. The fix was incomplete in that it was still confused
when coming back (i.e. switching from a branch with frotz -> xyzzy/
to another branch with frotz/filfre).
This fix is rather expensive in that for a path that is created
we would need to see if any of the leading component of that
path exists as a symbolic link in the filesystem (in which case,
we know that path itself does not exist, and the fact we already
decided to check it out tells us that in the index we already
know that symbolic link is going away as there is no D/F
conflict).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 'maint' of git://repo.or.cz/git-gui:
git-gui: Work around bad interaction between Tcl and cmd.exe on ^{tree}
git-gui: Don't linewrap within console windows
git-gui: Correct ls-tree buffering problem in browser
git-gui: Skip nicknames when selecting author initials
git-gui: Ensure windows shortcuts always have .bat extension
git-gui: Include a Push action on the left toolbar
git-gui: Bind M1-P to push action
git-gui: Don't bind F5/M1-R in all windows
git-gui: Unlock the index when cancelling merge dialog
git-gui: properly popup error if gitk should be started but is not installed
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From Johannes Sixt <J.Sixt@eudaptics.com>:
> It seems that MSYS's wish does some quoting for Bourne shells,
> in particular, escape the first '{' of the "^{tree}" suffix, but
> then it uses cmd.exe to run "git rev-parse". However, cmd.exe does
> not remove the backslash, so that the resulting rev expression
> ends up in git's guts as unrecognizable garbage: rev-parse fails,
> and git-gui hickups in a way that it must be restarted.
Johannes originally submitted a patch to this section of commit.tcl
to use `git rev-parse $PARENT:`, but not all versions of Git will
accept that format. So I'm just taking the really simple approach
here of scanning the first line of the commit to grab its tree.
About the same cost, but works everywhere.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The 'D' subcommand within a commit can also delete a directory
recursively. This wasn't clear in the prior version of the
documentation, leading to a question on the mailing list.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we get more than 80 characters of text in a single line odds
are it is output from git-fetch or git-push and its showing a
lot of detail off to the right edge that is not so important to
the average user. We still want to make sure we show everything
we need, but we can get away with that information being off to
the side with a horizontal scrollbar.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Our file browser was showing bad output as it did not properly buffer
a partial record when read from `ls-tree -z`. This did not show up on
my Mac OS X system as most trees are small, the pipe buffers generally
big and `ls-tree -z` was generally fast enough that all data was ready
before Tcl started to read. However on my Cygwin system one of my
production repositories had a large enough tree and packfile that it
took a couple of pipe buffers for `ls-tree -z` to complete its dump.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Our blame viewer only grabbed the first initial of the git.git
author string "Simon 'corecode' Schubert". Here the problem was we
looked at Simon, pulled the S into the author initials, then saw
the single quote as the start of the next name and did not like
this character as it was not an uppercase letter.
We now skip over single quoted nicknames placed within the author
name field and grab the initials following it. So the above name
will get the initials SS, rather than just S.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
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Recently a user on the mailing list complained that they'd read the
manual but couldn't figure out how to keep a couple private repositories
in sync. They'd tried using push, and were surprised by the effect.
Add a little text in an attempt to make it clear that:
- Pushing to a branch that is checked out will have odd results.
- It's OK to synchronize just using pull if that's simpler.
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
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"You" should be "Alice" here.
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
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- "method of" is vulgar, "method for" is nicer
- "recovery" becomes "recovering" from Steve Hoelzer's original version
of this patch
- "if you want" is nicer as "if you wish"
- "you may" should be "you can"; "you may" is "you have permission to"
rather than "you can"'s "it is possible to"
Signed-off-by: Andy Parkins <andyparkins@gmail.com>
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
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"git apply" used to take check the whitespace in the wrong
direction.
Noticed by Daniel Barkalow.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Apparently under some setups on Windows Tk is hiding our file
extension recommendation of ".bat" from the user and that is
allowing the user to create a shortcut file which has no file
extension. Double clicking on such a file in Windows Explorer
brings up the associate file dialog, as Windows does not know
what application to launch.
We now append the file extension ".bat" to the filename of the
shortcut file if it has no extension or if it has one but it is
not ".bat".
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Pushing changes to a remote system is a very common action for
many users of git-gui, so much so that in some workflows a user
is supposed to push immediately after they make a local commit
so that their change(s) are immediately available for their
teammates to view and build on top of.
Including the push button right below the commit button on the
left toolbar indicates that users should probably perform this
action after they have performed the commit action.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Users often need to be able to push the current branch so that they
can publish their recent changes to anyone they are collaborating
with on the project. Associating a keyboard action with this will
make it easier for keyboard-oriented users to quickly activate the
push features.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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We actually only want our F5/M1-R keystroke bound in the main window.
Within a browser/blame/console window pressing these keys should not
execute the rescan action.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Pressing the escape key while in the merge dialog cancels the merge
and correctly unlocks the index. Unfortunately this is not true of
the Cancel button, using it closes the dialog but does not release
the index lock, rendering git-gui frozen until you restart it. We
now properly release the index lock when the Cancel button is used.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The -<n> option was not mentioned in git-format-patch's manpage till
now. Fix this.
Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Without this patch, an added file would be reported as /dev/null.
Noticed by David Kastrup.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There is no restriction on the length of the name returned by
get_object_directory, other than the fact that it must be a stat'able
git object directory. That means its name may have length up to
PATH_MAX-1 (i.e., often 4095) not counting the trailing NUL.
Combine that with the assumption that the concatenation of that name and
suffixes like "/info/alternates" and "/pack/---long-name---.idx" will fit
in a buffer of length PATH_MAX, and you see the problem. Here's a fix:
sha1_file.c (prepare_packed_git_one): Lengthen "path" buffer
so we are guaranteed to be able to append "/pack/" without checking.
Skip any directory entry that is too long to be appended.
(read_info_alternates): Protect against a similar buffer overrun.
Before this change, using the following admittedly contrived environment
setting would cause many git commands to clobber their stack and segfault
on a system with PATH_MAX == 4096:
t=$(perl -e '$s=".git/objects";$n=(4096-6-length($s))/2;print "./"x$n . $s')
export GIT_ALTERNATE_OBJECT_DIRECTORIES=$t
touch g
./git-update-index --add g
If you run the above commands, you'll soon notice that many
git commands now segfault, so you'll want to do this:
unset GIT_ALTERNATE_OBJECT_DIRECTORIES
Signed-off-by: Jim Meyering <jim@meyering.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Michael Hendricks <michael@ndrix.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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I ran git-prune on a repository and got this:
$ git-prune
error: Object 228f8065b930120e35fc0c154c237487ab02d64a is a blob, not a commit
Segmentation fault (core dumped)
This repository was a strange one in that it was being used to provide
its own submodule. That is, the repository was cloned into a
subdirectory, an independent branch checked out in that subdirectory,
and then it was marked as a submodule. git-prune then failed in the
above manner.
The problem was that git-prune was not submodule aware in two areas.
Linus said:
> So what happens is that something traverses a tree object, looks at each
> entry, sees that it's not a tree, and tries to look it up as a blob. But
> subprojects are commits, not blobs, and then when you look at the object
> more closely, you get the above kind of object type confusion.
and included a patch to add an S_ISGITLINK() test to reachable.c's
process_tree() function. That fixed the first git-prune error, and
stopped it from trying to process the gitlink entries in trees as if
they were pointers to other trees (and of course failing, because
gitlinks _aren't_ trees). That part of this patch is his.
The second area is add_cache_refs(). This is called before starting the
reachability analysis, and was calling lookup_blob() on every object
hash found in the index. However, it is no longer true that every hash
in the index is a pointer to a blob, some of them are gitlinks, and are
not backed by any object at all, they are commits in another repository.
Normally this bug was not causing any problems, but in the case of the
self-referencing repository described above, it meant that the gitlink
hash was being marked as being of type OBJ_BLOB by add_cache_refs() call
to lookup_blob(). Then later, because that hash was also pointed to by
a ref, add_one_ref() would treat it as a commit; lookup_commit() would
return a NULL because that object was already noted as being an
OBJ_BLOB, not an OBJ_COMMIT; and parse_commit_buffer() would SEGFAULT on
that NULL pointer.
The fix made by this patch is to not blindly call lookup_blob() in
reachable.c's add_cache_refs(), and instead skip any index entries that
are S_ISGITLINK().
Signed-off-by: Andy Parkins <andyparkins@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: Matt Kraai <kraai@ftbfs.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'show' and 'prune' commands accept an option '-n'; document what
it does.
Signed-off-by: Sam Vilain <sam.vilain@catalyst.net.nz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some minor enhancements to the git-repack manual page.
Signed-off-by: Sam Vilain <sam.vilain@catalyst.net.nz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On 'Visualize ...', a gitk process is started. Since it is run in the
background, catching a possible startup error doesn't work, and the error
output goes to the console git-gui is started from. The most probable
startup error is that gitk is not installed; so before trying to start,
check for the existence of the gitk program, and popup an error message
unless it's found.
This was noticed and reported by Paul Wise through
http://bugs.debian.org/429810
Signed-off-by: Gerrit Pape <pape@smarden.org>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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* 'maint' of git://repo.or.cz/git-gui:
git-gui: Don't require a .pvcsrc to create Tools/Migrate menu hack
git-gui: Don't nice git blame on MSYS as nice is not supported
git-gui: Don't require $DISPLAY just to get --version
git-gui: Bind Tab/Shift-Tab to cycle between panes in blame
git-gui: Correctly install to /usr/bin on Cygwin
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The Tools/Migrate menu option is a hack just for me. Yes, that's
right, git-gui has a hidden feature that really only works for me,
and the users that I support within my day-job's great firewall.
The menu option is not supported outside of that environment.
In the past we only enabled Tools/Migrate if our special local
script 'gui-miga' existed in the proper location, and if there
was a special '.pvcsrc' in the top level of the working directory.
This latter test for the '.pvcsrc' file is now failing, as the file
was removed from all Git repositories due to changes made to other
tooling within the great firewall's realm.
I have changed the test to only work on Cygwin, and only if the
special 'gui-miga' is present. This works around the configuration
changes made recently within the great firewall's realm, but really
this entire Tools/Migrate thing should be abstracted out into some
sort of plugin system so other users can extend git-gui as they need.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Johannes Sixt reported that MinGW/MSYS does not have a nice.exe to
drop the priority of a child process when it gets spawned. So we
have to avoid trying to start `git blame` through nice when we are
on Windows and do not have Cygwin available to us.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Print no space after the name of a key without value.
Otherwise keys without values are printed exactly the
same as keys with empty values.
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The asciidoc documentation of the --get-regexp option was
incomplete. Add some missing pieces:
- List the option in SYNOPSIS
- Mention that key names are printed
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a picture, and keep the setup and the tests together.
Signed-off-by: Sam Vilain <sam.vilain@catalyst.net.nz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A pack-file can get created without any objects in it (to transfer "no
data" - which can happen if you use a reference git repo, for example,
or just otherwise just end up transferring only branch head information
and already have all the objects themselves).
And while we probably should never create an index for such a pack, if we
do (and we do), the index file size sanity checking was incorrect.
This fixes it.
Reported-and-tested-by: Jocke Tjernlund <tjernlund@tjernlund.se>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Without this patch, the code would look for the submodule
commits in the superproject and (needlessly) fail when it
couldn't find them.
Signed-off-by: Sven Verdoolaege <skimo@liacs.nl>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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J. Bruce Fields
J. Bruce Fields
Junio C Hamano
Salikh Zakirov
Linus Torvalds
Christian Couder
Julian Phillips
Shawn O. Pearce
William Pursell
Andy Parkins
Johannes Schindelin
Miklos Vajna
Jim Meyering
Michael Hendricks
Matt Kraai
Sam Vilain
Gerrit Pape
Frank Lichtenheld
Sven Verdoolaege