Commit Graph

10682 Commits

Author SHA1 Message Date
Frank Lichtenheld
db1696b8ab config: add support for --bool and --int while setting values
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-26 23:16:17 -07:00
Junio C Hamano
9cc0589ae8 Merge branch 'master' of git://repo.or.cz/git/fastimport
* 'master' of git://repo.or.cz/git/fastimport:
  Teach bash how to complete +refspec on git-push
2007-06-26 22:23:29 -07:00
Adam Roben
e46f7a0e1c git-send-email: Add --threaded option
The --threaded option controls whether the In-Reply-To header will be set on
any emails sent. The current behavior is to always set this header, so this
option is most useful in its negated form, --no-threaded. This behavior can
also be controlled through the 'sendemail.threaded' config setting.

Signed-off-by: Adam Roben <aroben@apple.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-26 22:22:06 -07:00
Carlos Rica
9690c118fa Fix git-stripspace to process correctly long lines and spaces.
Now the implementation gets more memory to store completely
each line before removing trailing spaces, and does it right
when the last line of the file ends with spaces and no newline
at the end.

Function stripspace needs again to be non-static in order to call
it from "builtin-tag.c" and the upcoming "builtin-commit.c".
A new parameter skip_comments was also added to the stripspace
function to optionally strips every shell #comment from the input,
needed for doing this task on those programs.

Signed-off-by: Carlos Rica <jasampler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-26 21:55:55 -07:00
Jim Meyering
384f122b7c Don't ignore a pack-refs write failure
Without this, if the size of refs_file at that point is ever an exact
multiple of BUFSIZ, then an EIO or ENOSPC error on the final write would
not be diagnosed.

It's not worth worrying about EPIPE here.
Although theoretically possible that someone kill this process
with a manual SIGPIPE, it's not at all likely.

Signed-off-by: Jim Meyering <jim@meyering.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-26 21:49:44 -07:00
Jim Meyering
91c8d5905c detect close failure on just-written file handles
I audited git for potential undetected write failures.
In the cases fixed below, the diagnostics I add mimic the diagnostics
used in surrounding code, even when that means not reporting
the precise strerror(errno) cause of the error.

Signed-off-by: Jim Meyering <jim@meyering.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-26 21:48:53 -07:00
Shawn O. Pearce
03d25622a5 Merge branch 'maint'
* maint:
  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
2007-06-27 00:36:38 -04:00
Shawn O. Pearce
7e508eb1a2 git-gui: Don't require a .pvcsrc to create Tools/Migrate menu hack
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>
2007-06-27 00:35:30 -04:00
Shawn O. Pearce
fffaaba358 git-gui: Don't nice git blame on MSYS as nice is not supported
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>
2007-06-27 00:27:13 -04:00
Frank Lichtenheld
2275d50211 config: Add --null/-z option for null-delimted output
Use \n as delimiter between key and value and \0 as
delimiter after each key/value pair. This should be
easily parsable output.

Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-26 19:00:39 -07:00
Junio C Hamano
68fb465049 Merge branch 'maint'
* maint:
  config: Change output of --get-regexp for valueless keys
  config: Complete documentation of --get-regexp
  cleanup merge-base test script
  Fix zero-object version-2 packs
  Ignore submodule commits when fetching over dumb protocols
2007-06-26 18:45:29 -07:00
Frank Lichtenheld
b69ba460bb config: Change output of --get-regexp for valueless keys
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>
2007-06-26 18:20:47 -07:00
Frank Lichtenheld
e373bb7388 config: Complete documentation of --get-regexp
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>
2007-06-26 18:19:20 -07:00
Simon Hausmann
b658d50325 git-new-workdir: Fix shell warning about operator == used with test.
Use = instead of == with test to test for equality.

Signed-off-by: Simon Hausmann <simon@lst.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-26 18:18:47 -07:00
Sam Vilain
e3ae6bb9aa cleanup merge-base test script
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>
2007-06-26 18:17:53 -07:00
Quy Tonthat
4fb8c8075a git.spec: RPM failed, looking for wrong files.
RPM build broke with "File not found" error on git-gui.1 and git-citool.1
They actually are git-gui.1.gz and git-citool.1.gz

Signed-off-by: Quy Tonthat <qtonthat@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-26 18:06:58 -07:00
Linus Torvalds
1164f1e48d Fix zero-object version-2 packs
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>
2007-06-26 18:02:15 -07:00
Sven Verdoolaege
582c7393a4 Ignore submodule commits when fetching over dumb protocols
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>
2007-06-26 18:02:13 -07:00
Junio C Hamano
e1341abc37 Merge branch 'master' of git://git.kernel.org/pub/scm/gitk/gitk into pm/gitk
* 'master' of git://git.kernel.org/pub/scm/gitk/gitk: (21 commits)
  gitk: Add a progress bar to show progress while resetting
  gitk: Improve handling of whitespace and special chars in filenames
  gitk: Fix bug causing nearby tags/heads to sometimes not be displayed
  gitk: Limit how often we change the canvas scrolling region
  gitk: Add a "reset branch to here" row context-menu operation
  gitk: Get rid of the childlist variable
  gitk: Speed up the reading of references
  gitk: Show local uncommitted changes as a fake commit
  gitk: New algorithm for drawing the graph lines
  gitk: Store ids in rowrangelist and idrowranges rather than row numbers
  gitk: Disable the head context menu entries for the checked-out branch
  gitk: Cope with commit messages with carriage-returns and initial blank lines
  gitk: Implement a simple scheduler for the compute-intensive stuff
  gitk: Improve the behaviour of the initial selection
  gitk: Add some more comments to the optimize_rows procedure
  gitk: Don't try to list large numbers of tags or heads in the details pane
  gitk: New infrastructure for working out branches & previous/next tags
  [PATCH] gitk: Allow specifying tabstop as other than default 8 characters.
  [PATCH] gitk: Update fontsize in patch / tree list
  [PATCH] gitk: Make selection highlight color configurable
  ...

Conflicts:

	gitk
2007-06-26 15:41:06 -07:00
Paul Mackerras
706d6c3e76 gitk: Add a progress bar to show progress while resetting
Since git reset now gets chatty while resetting, we were getting errors
reported when a reset was done using the "reset branch to here" menu
item.  With this we now read the progress messages from git reset and
update a progress bar.  Because git reset outputs the progress messages
to standard error, and Tcl treats messages to standard error as error
messages, we have to invoke git reset via a shell and redirect standard
error into standard output.

This also fixes a bug in computing descendent heads when head ids
are changed via a reset.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-26 11:14:06 +10:00
René Scharfe
125b763052 diff: round down similarity index
Rounding down the printed (dis)similarity index allows us to use
"100%" as a special value that indicates complete rewrites and
fully equal file contents, respectively.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-25 01:51:21 -07:00
René Scharfe
cfc0aef1ff diffcore-rename: don't change similarity index based on basename equality
This implements a suggestion from Johannes.  It uses a separate field in
struct diff_score to keep the result of the file name comparison in the
rename detection logic.  This reverts the value of the similarity index
to be a function of file contents, only, and basename comparison is only
used to decide between files with equal amounts of content changes.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-24 23:12:31 -07:00
Linus Torvalds
0f157315a1 Check for IO errors after running a command
This is trying to implement the strict IO error checks that Jim Meyering
suggested, but explicitly limits it to just regular files. If a pipe gets
closed on us, we shouldn't complain about it.

If the subcommand already returned an error, that takes precedence (and we
assume that the subcommand already printed out any relevant messages
relating to it)

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-24 22:56:40 -07:00
Linus Torvalds
47d0b4ff57 Clean up internal command handling
This should change no code at all, it just moves the definition of "struct
cmd_struct" out, and then splits out the running of the right command into
the "run_command()" function.

It also removes the long-unused 'envp' pointer passing.

This is just preparation for adding some more error checking.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-24 18:01:29 -07:00
Shawn O. Pearce
161fea832a Teach bash how to complete +refspec on git-push
Using `git push origin +foo` to forcefully overwrite the remote
branch named foo is a common idiom, especially since + is shorter
than the long option --force and can be specified on a per-branch
basis.

We now complete `git push origin +foo` just like we do the standard
`git push origin foo`.  The leading + on a branch refspec does not
alter the completion.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-06-24 19:42:16 -04:00
Junio C Hamano
9378c16135 Add core.quotepath configuration variable.
We always quote "unusual" byte values in a pathname using
C-string style, to make it safer for parsing scripts that do not
handle NUL separated records well (or just too lazy to bother).
The absolute minimum bytes that need to be quoted for this
purpose are TAB, LF (and other control characters), double quote
and backslash.

However, we have also always quoted the bytes in high 8-bit
range; this was partly because we were lazy and partly because
we were being cautious.

This introduces an internal "quote_path_fully" variable, and
core.quotepath configuration variable to control it.  When set
to false, it does not quote bytes in high 8-bit range anymore
but passes them intact.

The variable defaults to "true" to retain the traditional
behaviour for now.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-24 15:11:42 -07:00
Junio C Hamano
aeb5932845 git-send-email: Do not make @-less message ID
When the original $from address fails to yield a valid-looking
e-mail address, we created a bogus looking message ID, formatted
like this:

	Message-Id: <11823357623688-git-send-email->

This commit fixes it by moving call to make_message_id() to
where it matters, namely, before the $message_id is needed to be
placed in the generated e-mail header; this has an important
side effect of making it clear that $from is already available.

Also throw in Sys::Hostname::hostname() just for fun, although I
suspect that the code would never trigger due to the modified
call sequence that makes sure $from is always available.  This
is based on a suggestion by Michael Hendricks.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-24 02:46:35 -07:00
Gerrit Pape
0d351e9ca2 git-svn: trailing slash in prefix is mandatory with --branches/-b
Make clear in the documentation that when using --branches/-b and
--prefix with 'init', the prefix must include a trailing slash.
This matches the actual behavior of git-svn, e.g.:

 $ git svn init -Ttrunk -treleases -bbranches --prefix xxx \
     http://svn.sacredchao.net/svn/quodlibet/
 --prefix='xxx' must have a trailing slash '/'
 $

This was noticed by R. Vanicat and reported through
 http://bugs.debian.org/429443

Signed-off-by: Gerrit Pape <pape@smarden.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-24 02:37:40 -07:00
Julian Phillips
09381b458f new-workdir: handle rev-parse --git-dir not always giving full path
rev-parse --git-dir outputs a full path - except for the single case
of when the path would be $(pwd)/.git, in which case it outputs simply
.git.  Check for this special case and handle it.

Signed-off-by: Julian Phillips <julian@quantumfyre.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-24 02:36:56 -07:00
Matthias Lederhofer
f58494bf82 make dist: include configure script in tarball
Signed-off-by: Matthias Lederhofer <matled@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-24 02:16:00 -07:00
Junio C Hamano
1066c2c548 Merge branch 'lt/follow'
* lt/follow:
  Fix up "git log --follow" a bit..
  Finally implement "git log --follow"
2007-06-24 02:08:31 -07:00
Sven Verdoolaege
fc746df647 t9500: skip gitweb tests if perl version is too old
gitweb calls Encode::decode_utf8 with two arguments,
but old versions of perl only allow this function to be called
with one argument.  Even older versions of perl do not even
have an Encode module.

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-24 02:02:28 -07:00
Junio C Hamano
ee4fd1adfd Merge branch 'master' of git://repo.or.cz/git/fastimport
* 'master' of git://repo.or.cz/git/fastimport: (260 commits)
  Avoid src:dst syntax as default bash completion for git push
  Make it possible to specify the HEAD for the internal findUpstreamBranchPoint function.
  Added git-p4 branches command that shows the mapping of perforce depot paths to imported git branches.
  Warn about conflicting p4 branch mappings and use the first one found.
  Fix the branch mapping detection to be independent from the order of the "p4 branches" output.
  git-p4 fails when cloning a p4 depo.
  Fix initial multi-branch import.
  Only use double quotes on Windows
  Fix git-p4 rebase to detect the correct upstream branch instead of unconditionally
  Moved the code from git-p4 submit to figure out the upstream branch point
  git-p4 submit: Fix missing quotes around p4 commands to make them work with spaces in filenames
  Mention remotes/p4/master also in the documentation.
  Provide some information for single branch imports where the commits go
  git-p4: check for existence of repo dir before trying to create
  Write out the options tag in the log message of imports only if we actually have
  Fix support for explicit disabling of syncing with the origin
  Fix depot-paths encoding for multi-path imports (don't split up //depot/path/foo)
  Fix project name guessing
  Fix updating/creating remotes/p4/* heads from origin/p4/*
  Fixed the check to make sure to exclude the HEAD symbolic refs when updating
  ...
2007-06-23 23:54:41 -07:00
Paul Mackerras
9396cd385a gitk: Improve handling of whitespace and special chars in filenames
The main thing here is better parsing of the diff --git lines in the
output of git diff-tree -p.  We now cope with filenames in quotes with
special chars escaped.  If the filenames contain spaces they aren't
quoted, however, which can create difficulties in parsing.  We get
around the difficulties by detecting the case when the filename hasn't
changed (chop the part after "diff --git " in two and see if the halves
match apart from a/ in one and b/ in the other), and if it hasn't
changed, we just use one half.  If the filename has changed we wait
for the "rename from" and "rename to" lines, which give the old and
new filenames unambiguously.

This also improves the parsing of the output of git diff-tree.
Instead of using lindex to extract the filename, we take the part from
the first tab on, and if it starts with a quote, we use [lindex $str 0]
to remove the quotes and convert the escapes.

This also gets rid of some unused tagging of the diff text, uses
[string compare] instead of [regexp] in some places, and fixes the
regexp for detecting the @@ hunk-separator lines (the regexp wasn't
accepting a single number, as in "-0,0 +1" for example).

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:58:12 +10:00
Paul Mackerras
f3326b66bf gitk: Fix bug causing nearby tags/heads to sometimes not be displayed
When we compute descendent heads and descendent/ancestor tags, we
cache the results.  We need to be careful to invalidate the cache
when we add stuff to the graph.  Also make sure that when we cache
descendent heads for a node we only cache the heads that are actually
descendents of that node.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:58:09 +10:00
Paul Mackerras
a2c22362cc gitk: Limit how often we change the canvas scrolling region
For some unknown reason, changing the scrolling region on the canvases
provokes multiple milliseconds worth of computation in the X server,
and this can end up slowing gitk down significantly.  This works around
the problem by limiting the rate at which we update the scrolling region
after the first 100 rows to at most 2 per second.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:58:06 +10:00
Paul Mackerras
6fb735aedb gitk: Add a "reset branch to here" row context-menu operation
This adds an entry to the menu that comes up when the user does a
right-click on a row.  The new entry allows the user to reset the
currently checked-out head to the commit for the row that they did
the right-click on.  The user has to select what type of reset to
do, and confirm the reset, via a dialog box that pops up.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:58:04 +10:00
Paul Mackerras
6a90bff1e8 gitk: Get rid of the childlist variable
The information in childlist is a duplicate of what's in the children
array, and it wasn't being accessed often enough to be really worth
keeping the list around as well.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:58:01 +10:00
Paul Mackerras
62d3ea65a7 gitk: Speed up the reading of references
We were doing two execs for each tag - one to map the tag ID to a
commit ID and one to read the contents of the tag for later display.
This speeds up the process by not reading the contents of the tag
(instead it is read later if needed), and by using the -d flag to
git show-ref, which gives us refs/tags/foo^{} lines which give us
the commit ID.  Also this uses string operations instead of regexps.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:57:55 +10:00
Paul Mackerras
219ea3a99b gitk: Show local uncommitted changes as a fake commit
If there are local changes in the repository, i.e., git-diff-index HEAD
produces some output, then this optionally displays an extra row in
the graph as a child of the HEAD commit (but with a red circle to
indicate that it's not a real commit).  There is a checkbox in the
preferences window to control whether gitk does this or not.

Clicking on the extra row shows the diffs between the working directory
and the HEAD (using git diff-index -p).  The right-click menu on the
extra row allows the user to generate a patch containing the local diffs,
or to display the diffs between the working directory and any commit.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:57:39 +10:00
Paul Mackerras
322a8cc9b3 gitk: New algorithm for drawing the graph lines
This only draws as much of the graph lines as is visible.  This can
happen by adding coordinates on to an existing graph line or by
creating a new line.  This means that we only need to have laid out
and optimized as much of the graph as is actually visible in order to
draw it, including the lines (previously we didn't draw a graph
line until we had laid out and optimized to the end of a segment of
the line, i.e. down to a down-arrow or to the row where the line's
commit is displayed).  This also lets us get rid of the linesegends
list, and gives us an easy workaround for the X server bug that
causes long lines to be misdrawn.  This also gets rid of the use
of rowoffsets in drawlineseg et al.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:55:57 +10:00
Paul Mackerras
66e46f37de gitk: Store ids in rowrangelist and idrowranges rather than row numbers
This removes the need for insertrow to go through rowrangelist and
idrowranges and adjust a lot of entries.  The first entry for a given
id is now the row number of the first child, not that row number + 1,
and rowranges compensates for that so its callers didn't have to
change.  This adds a ranges argument to drawlineseg so that we can
avoid calling rowranges a second time inside drawlineseg (all its
callers already called rowranges).

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:55:52 +10:00
Paul Mackerras
0060946397 gitk: Disable the head context menu entries for the checked-out branch
Neither the "check out this branch" nor the "remove this branch"
menu item can be used on the currently-checked out branch, so disable
them.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:55:47 +10:00
Paul Mackerras
43c2507438 gitk: Cope with commit messages with carriage-returns and initial blank lines
In some repositories imported from other systems we can get carriage
return characters in the commit message, which leads to a multi-line
headline being displayed in the summary window, which looks bad.
Also some commit messages start with one or more blank lines, which
leads to an empty headline.  This fixes these problems.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:55:43 +10:00
Paul Mackerras
7eb3cb9c68 gitk: Implement a simple scheduler for the compute-intensive stuff
This allows us to do compute-intensive processing, such as laying out
the graph, relatively efficiently while also having the GUI be
reasonably responsive.  The problem previously was that file events
were serviced before X events, so reading from another process which
supplies data quickly (hi git rev-list :) could mean that X events
didn't get processed for a long time.

With this, gitk finishes laying out the graph slightly sooner and
still responds to the GUI while doing so.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:55:38 +10:00
Paul Mackerras
e507fd4871 gitk: Improve the behaviour of the initial selection
It used to be that if you clicked on a line while gitk was still drawing
stuff, it would immediately re-select the first line of the display.
This fixes that.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:55:34 +10:00
Paul Mackerras
3fc4279a14 gitk: Add some more comments to the optimize_rows procedure
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:55:30 +10:00
Paul Mackerras
0a4dd8b855 gitk: Don't try to list large numbers of tags or heads in the details pane
With some large repositories, a commit can end up on thousands of
branches, which results in an extremely long "Branches:" line in the
details window, and that results in the window being extremely slow
to scroll.

This fixes it by just showing "many (N)" after "Branches:", "Follows:"
or "Precedes:", where N is the number of heads or tags.  The limit
is currently set at 20 but could be made configurable (and the "many"
could be a link to pop up a window listing them all in case anyone
really wants to know).

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:55:26 +10:00
Paul Mackerras
e11f123315 gitk: New infrastructure for working out branches & previous/next tags
Instead of working out descendent heads and descendent & ancestor
branches in a two-pass algorithm, this reads and stores a simplified
version of the graph topology, and works out descendent/ancestor
tags and descendent heads on demand (with a bit of caching).

The advantages of this are, first, that we now don't have to use
--topo-order on the git rev-list process.  Secondly, we don't have
to re-read the whole graph when tags or heads change or even when
the graph changes.  Since we can cope with parents coming before
children, we can update the graph by running a git rev-list with
arguments that just give us the new commits, and merge the new
commits into the simplified graph.

The graph is simplified in the sense that commits with exactly one
parent and one child (which is >90% of them in most cases) are grouped
together into arcs joining nodes or 'branch/merge points', which are
the commits that don't have exactly 1 parent and 1 child.  This reduces
the size of the graph substantially and decreases the time to traverse
it correspondingly.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-23 20:55:22 +10:00
Linus Torvalds
9f38e1ef7e Fix up "git log --follow" a bit..
This fixes "git log --follow" to hopefully not leak memory any more, and
also cleans it up a bit to look more like some of the other functions that
use "diff_queued_diff" (by *not* using it directly as a global in the
code, but by instead just taking a pointer to the diff queue and using
that).

As to "diff_queued_diff", I think it would be better off not as a global
at all, but as being just an entry in the "struct diff_options" structure,
but that's a separate issue, and there may be some subtle reason for why
it's currently a global.

Anyway, no real changes. Instead of having a magical first entry in the
diff-queue, we now end up just keeping the diff-queue clean, and keeping
our "preferred" file pairing in an internal "choice" variable. That makes
it easy to switch the choice around when we find a better one.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-22 23:37:21 -07:00