Commit Graph

14245 Commits

Author SHA1 Message Date
Linus Torvalds
2e6e3e829f git-am: cope better with an empty Subject: line
When the Subject: line is empty for whatever reason, git-am was fooled by
it and left an empty line at the beginning of the resulting commit log
message.

This moves the logic around so that we do not keep $SUBJECT in a separate
variable.  Instead, $dotest/msg-clean, which used to be the log message
body extracted from the message and then trailing whitespaces cleansed
out, now contains the subject line followed by a blank line at the
beginning for normal messages, and we use the first line from the file as
the summary line throughout the program.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-16 00:11:04 -07:00
Linus Torvalds
6a28518ae0 Ignore leading empty lines while summarizing merges
"git log" and friends normally skip the initial empty lines when showing
one-line summary of a commit, but merge summary didn't.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
----
 builtin-fmt-merge-msg.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-15 23:53:26 -07:00
Christian Couder
48949a18c8 bisect: squelch "fatal: ref HEAD not a symref" misleading message
To get the current HEAD when we start bisecting using for example
"git bisect start", we first try "git symbolic-ref HEAD" to get a
nice name, and if it fails, we fall back to "git rev-parse
--verify HEAD".

The problem is that when "git symbolic-ref HEAD" fails, it
displays "fatal: ref HEAD not a symref", so it looks like "git
bisect start" failed and does not accept detached HEAD, even if
in fact it worked fine.

This patch adds "-q" option to the "git symbolic-ref" call to
get rid of the misleading error message.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-15 22:42:19 -07:00
Alberto Bertogli
1da16439be builtin-apply: Show a more descriptive error on failure when opening a patch
When a patch can't be opened (it doesn't exist, there are permission
problems, etc.) we get the usage text, which is not a proper indication of
failure.

Signed-off-by: Alberto Bertogli <albertito@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-15 22:42:08 -07:00
Scott Collins
2c2d02a6a7 Clarify documentation of git-cvsserver, particularly in relation to git-shell
For SSH clients restricted to git-shell, CVS_SERVER does not have to be
specified, because git-shell understands the default value of 'cvs' to
mean git-cvsserver'. This makes it totally transparent to CVS users, but
the instruction to set up CVS access for people with real shell access
does not apply.

Previous wording mentioning GIT_AUTHOR, GIT_COMMITTER variables was
unclear that we really meant GIT_AUTHOR_(NAME|EMAIL), etc.

Note that the .ssh/environment file is a good place to set these, and that
the .bashrc is shell-specific. Add a bit of text to differentiate cvs -d
(setting CVSROOT) from cvs co -d (setting the name of the newly checked
out directory).  Removed an extra 'Example:' string.

Signed-off-by: Scott Collins <scc@ScottCollins.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-15 22:41:54 -07:00
Junio C Hamano
189d6b8bfa Merge branch 'maint'
* maint:
  git clean: Add test to verify directories aren't removed with a prefix
  git clean: Don't automatically remove directories when run within subdirectory
  git-submodule - possibly use branch name to describe a module
2008-04-14 23:15:09 -07:00
Shawn Bohrer
2b6f0b0a78 git clean: Add test to verify directories aren't removed with a prefix
Signed-off-by: Shawn Bohrer <shawn.bohrer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-14 23:14:58 -07:00
Shawn Bohrer
f2d0df7148 git clean: Don't automatically remove directories when run within subdirectory
When git clean is run from a subdirectory it should follow the normal
policy and only remove directories if they are passed in as a pathspec,
or -d is specified.

The fix is to send len which could be shorter than ent->len because we
have stripped the trailing '/' that read_directory adds. Additionaly
match_one() was modified to allow a name[] that is not NUL terminated.
This allows us to check if the name matched the pathspec exactly
instead of recursively.

Signed-off-by: Shawn Bohrer <shawn.bohrer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-14 23:14:58 -07:00
Mark Levedahl
f669ac0be9 git-submodule - possibly use branch name to describe a module
This changes the search logic for describing a submodule from:
- annotated tag
- any tag
- tag on a subsequent commit
- commit id

to

- annotated tag
- any tag
- tag on a subsequent commit
- local or remote branch
- commit id

The change is describing with respect to a branch before falling
back to the commit id. By itself, git-submodule will maintain submodules
as headless checkouts without ever making a local branch. In
general, such heads can always be described relative to the remote branch
regardless of existence of tags, and so provides a better fallback
summary than just the commit id.

This requires inserting an extra describe step as --contains is
incompatible with --all, but the latter can be used with --always
to fall back to a commit ID. Also, --contains implies --tags, so the
latter is not needed.

Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-14 23:14:08 -07:00
Stephan Beyer
8e4c6aa1ac builtin-apply.c: use git_config_string() to get apply_default_whitespace
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-14 22:37:47 -07:00
Junio C Hamano
c35b0b5884 Fix git_config_bool_or_int
The earlier one botched the return value logic between config_bool and
config_bool_and_int.  The former should normalize between 0 and 1 while
the latter should give back full range of integer values.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-13 12:11:11 -07:00
Ping Yin
e5e4a7f23d builtin-status: Add tests for submodule summary
Signed-off-by: Ping Yin <pkufranky@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 20:00:45 -07:00
Ping Yin
ac8d5afca6 builtin-status: submodule summary support
This commit teaches 'git commit/status' show a new 'Modified submodules'
section, which is an output from:

  git submodule summary --cached --for-status --summary-limit <limit>

just before the 'Untracked files' section.

The <limit> is given by the config variable status.submodulesummary
to limit the submodule summary size. status.submodulesummary is a
bool/int variable with value:

  - false or 0 by default to disable the summary, or
  - positive number to limit the summary size, or
  - true or negative number to unlimit the summary size.

Also mention status.submodulesummary in the documentation.

Signed-off-by: Ping Yin <pkufranky@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 20:00:45 -07:00
Ping Yin
d0f64dd44d git-submodule summary: --for-status option
The --for-status option is mainly used by builtin-status/commit.
It adds 'Modified submodules:' line at top and  '# ' prefix to all
following lines.

Signed-off-by: Ping Yin <pkufranky@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 20:00:45 -07:00
Junio C Hamano
f43e2fd43b Merge branch 'maint'
* maint:
  t7401: squelch garbage output
  Documentation/git-submodule: typofix
  Fix config key miscount in url.*.insteadOf
  Docs gitk: Explicitly mention the files that gitk uses (~/.gitk)
  Document -w option to shortlog
  bisect: report bad rev better
2008-04-12 19:17:51 -07:00
Junio C Hamano
02604e293a t7401: squelch garbage output
The script had an unconditional output done outside of test_expect_*
construct, which leaked out and contaminated the output without -v.
Squelch it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 18:57:08 -07:00
Junio C Hamano
a53f2ec617 git_config_bool_or_int()
This new function can be used by config parsers to tell if a variable
is simply set, set to 1, or set to "true".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 18:38:40 -07:00
Junio C Hamano
51836e9e12 Documentation/git-submodule: typofix
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 18:34:39 -07:00
Daniel Barkalow
60e3aba9c3 Fix config key miscount in url.*.insteadOf
Also tighten test to require it to be correct.

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 15:41:24 -07:00
Junio C Hamano
d6d96f835c Merge branch 'maint-1.5.4' into maint
* maint-1.5.4:
  Docs gitk: Explicitly mention the files that gitk uses (~/.gitk)
  Document -w option to shortlog
  bisect: report bad rev better
2008-04-12 15:41:19 -07:00
Clifford Caoile
e80950786c Docs gitk: Explicitly mention the files that gitk uses (~/.gitk)
gitk creates and uses ~/.gitk

Signed-off-by: Clifford Caoile <piyo@users.sourceforge.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 15:39:07 -07:00
Junio C Hamano
55ef8a4610 Document -w option to shortlog
Noticed by Fredrik Noring.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 15:38:20 -07:00
Christian Couder
a179a30352 bisect: report bad rev better
The previous one overwrote the variable used to report the bad input
when the input is actually bad, and we did not give a useful enough
information.  This corrects it.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-12 15:16:13 -07:00
Junio C Hamano
4cdda2b895 Merge branch 'maint'
* maint:
  bisect: fix bad rev checking in "git bisect good"
  revision.c: make --date-order overriddable
  git-submodule: Avoid 'fatal: cannot describe' message
  Force the medium pretty format on calls to git log
  Fix section about backdating tags in the git-tag docs
  Document option --only of git commit
  Documentation/git-request-pull: Fixed a typo ("send" -> "end")
2008-04-11 23:56:09 -07:00
Junio C Hamano
eed81838f0 Merge branch 'maint-1.5.4' into maint
* maint-1.5.4:
  bisect: fix bad rev checking in "git bisect good"
  revision.c: make --date-order overriddable
  Fix section about backdating tags in the git-tag docs
  Document option --only of git commit
  Documentation/git-request-pull: Fixed a typo ("send" -> "end")
2008-04-11 23:55:55 -07:00
Christian Couder
e3389075c6 bisect: fix bad rev checking in "git bisect good"
It seems that "git bisect good" and "git bisect skip" have never
properly checked arguments that have been passed to them. As soon
as one of them can be parsed as a SHA1, no error or warning would
be given.

This is because 'git rev-parse --revs-only --no-flags "$@"' always
"exit 0" and outputs all the SHA1 it can found from parsing "$@".

This patch fix this by using, for each "bisect good" argument, the
same logic as for the "bisect bad" argument.

While at it, this patch teaches "bisect bad" to give a meaningfull
error message when it is passed more than one argument.

Note that if "git bisect good" or "git bisect skip" is given some
proper revs and then something that is not a proper rev, then the
first proper revs will still have been marked as "good" or "skip".

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-11 23:54:45 -07:00
Christian Couder
243a60fbb5 bisect: add "git bisect help" subcommand to get a long usage string
Users are not often aware of the fact that "git bisect -h" can give
them a long usage description, as "git bisect" seems to accept only
dashless subcommands like "start", "good", ...

That's why this patch adds a "git bisect help" subcommand that just
calls "git bisect -h". This new subcommand is also fully documented
in the short usage string (that "git bisect" gives), in the long
usage string and in the man page (that "git help bisect" gives).

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-11 23:03:50 -07:00
Johannes Sixt
3c5283f8b1 builtin-commit.c: Remove a redundant assignment.
Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-11 23:03:50 -07:00
Michele Ballabio
a710522bfc revision.c: make --date-order overriddable
Jan Engelhardt noticed that while --topo-order can be overridden by a
subsequent --date-order, the reverse was not possible. That's because
setup_revisions() failed to set revs->lifo properly.

Signed-off-by: Michele Ballabio <barra_cuda@katamail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-11 23:01:33 -07:00
Ping Yin
a68972c2ad git-submodule: Avoid 'fatal: cannot describe' message
When "git submodule status" command tries to show the name of the
submodule HEAD revision more descriptively, but the submodule
repository lacked a suitable tag to do so, it leaked "fatal: cannot
describe" message to the UI.  Squelch it by using '--always'.

Signed-off-by: Ping Yin <pkufranky@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-11 17:35:39 -07:00
Pedro Melo
b6309ac2b8 Force the medium pretty format on calls to git log
If a user has customized format.pretty in config, git-svn rebase fails with:

	Unable to determine upstream SVN information from working tree history

because the command expects to read the commit log in the default format.

This fixes the command to explicitly ask for the format it wants to read
from.

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-11 17:35:35 -07:00
Björn Steinbrink
055b66158c Fix section about backdating tags in the git-tag docs
The tagger is equal to the committer, not the author, so
GIT_COMMITTER_DATE is the right environment variable to use, not
GIT_AUTHOR_DATE.

Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-11 17:34:05 -07:00
Johannes Sixt
d4ba07cac5 Document option --only of git commit
Its documentation was removed by 6c96753 (Documentation/git-commit: rewrite
to make it more end-user friendly, 2006-12-08), even though it is referenced
from a few places, including builtin-commit.c (as part of the commentary in
the commit message template).

Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-11 12:54:15 -07:00
Dirk Suesserott
ca593f7959 Documentation/git-request-pull: Fixed a typo ("send" -> "end")
Signed-off-by: Dirk Suesserott <newsletter@dirk.my1.cc>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-11 12:25:30 -07:00
Matthias Kestenholz
4d4f5ba3ea Use color.ui variable in scripts too
Signed-off-by: Matthias Kestenholz <mk@spinlock.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-10 12:40:50 -07:00
Junio C Hamano
4da45bef56 log: teach "terminator" vs "separator" mode to "--pretty=format"
This attached patch introduces a single bit "use_terminator" in "struct
rev_info", which is normally false (i.e. most formats use separator
semantics) but by flipping it to true, you can ask for terminator
semantics just like oneline format does.

The function get_commit_format(), which is what parses "--pretty=" option,
now takes a pointer to "struct rev_info" and updates its commit_format and
use_terminator fields.  It used to return the value of type "enum
cmit_fmt", but all the callers assigned it to rev->commit_format.

There are only two cases the code turns use_terminator on.  Obviously, the
traditional oneline format (--pretty=oneline) is one of them, and the new
case is --pretty=tformat:... that acts like --pretty=format:... but flips
the bit on.

With this, "--pretty=tformat:%H %s" acts like --pretty=oneline.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-10 03:25:03 -07:00
Jeff King
c4112bb6bb git-remote: show all remotes with "git remote show"
Many other commands use the "no arguments" form to show a
list (e.g., git-branch, git-tag). While we did show all
remotes for just "git remote", we displayed a usage error
for "git remote show" with no arguments. This is
counterintuitive, since by giving it _more_ information, we
get _less_ result.

The usage model can now be thought of as:

  - "git remote show <remote>": show a remote
  - "git remote show": show all remotes
  - "git remote": assume "show"; i.e., shorthand for "git remote show"

Signed-off-by: Jeff King <peff@peff.net>
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-10 01:37:12 -07:00
Junio C Hamano
71349732c5 Merge branch 'maint'
* maint:
  git-fetch: fix status output when not storing tracking ref
  core-tutorial.txt: Fix showing the current behaviour.
  git-archive: ignore prefix when checking file attribute
  Fix documentation syntax of optional arguments in short options.
2008-04-10 00:47:04 -07:00
Jeff King
f59774add4 git-fetch: fix status output when not storing tracking ref
There was code in update_local_ref for handling this case,
but it never actually got called. It assumed that storing in
FETCH_HEAD meant a blank peer_ref name, but we actually have
a NULL peer_ref in this case, so we never even made it to
the update_local_ref function.

On top of that, the display formatting was different from
all of the other cases, probably owing to the fact that
nobody had ever actually seen the output.

This patch harmonizes the output with the other cases and
moves the detection of this case into store_updated_refs,
where we can actually trigger it.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-10 00:30:44 -07:00
Junio C Hamano
179c94b24a Merge branch 'maint-1.5.4' into maint
* maint-1.5.4:
  core-tutorial.txt: Fix showing the current behaviour.
  git-archive: ignore prefix when checking file attribute
  Fix documentation syntax of optional arguments in short options.
2008-04-10 00:29:33 -07:00
Carlos Rica
abea85d1e9 core-tutorial.txt: Fix showing the current behaviour.
The --root option from "git diff-tree" won't do nothing
when is given to commands like git-whatchanged or git-log,
because those always print the initial commit by default.

This fixes the tutorial explaining the function of the
log.showroot configuration variable.

Signed-off-by: Carlos Rica <jasampler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-10 00:20:41 -07:00
René Scharfe
ac7fa2776c git-archive: ignore prefix when checking file attribute
Ulrik Sverdrup noticed that git-archive doesn't correctly apply the attribute
export-subst when the option --prefix is given, too.

When it checked if a file has the attribute turned on, git-archive would try
to look up the full path -- including the prefix -- in .gitattributes.  That's
wrong, as the prefix doesn't need to have any relation to any existing
directories, tracked or not.

This patch makes git-archive ignore the prefix when looking up if value of the
attribute export-subst for a file.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-10 00:20:38 -07:00
Carlos Rica
3f36cbbaaf Fix documentation syntax of optional arguments in short options.
When an argument for an option is optional, like in -n from git-tag,
puting a space between the option and the argument is interpreted
as a missing argument for the option plus an isolated argument.
Documentation now reflects the need to write the parameter following
the option -n, as in "git tag -nARG", for instance.

Signed-off-by: Carlos Rica <jasampler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-10 00:20:31 -07:00
Miklos Vajna
f949844263 contrib/hooks: add an example pre-auto-gc hook
It disables git-gc --auto when you are running Linux and you are
not on AC.

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-09 01:31:13 -07:00
Miklos Vajna
0b85d92661 Documentation/hooks: add pre-auto-gc hook
Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-09 01:31:13 -07:00
Miklos Vajna
bde3054016 git-gc --auto: add pre-auto-gc hook
If such a hook is available and exits with a non-zero status, then
git-gc --auto won't run.

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-09 01:31:13 -07:00
Junio C Hamano
12ecb01107 sha1-lookup: make selection of 'middle' less aggressive
If we pick 'mi' between 'lo' and 'hi' at 50%, which was what the
simple binary search did, we are halving the search space
whether the entry at 'mi' is lower or higher than the target.

The previous patch was about picking not the middle but closer
to 'hi', when we know the target is a lot closer to 'hi' than it
is to 'lo'.  However, if it turns out that the entry at 'mi' is
higher than the target, we would end up reducing the search
space only by the difference between 'mi' and 'hi' (which by
definition is less than 50% --- that was the whole point of not
using the simple binary search), which made the search less
efficient.  And the risk of overshooting becomes very high, if
we try to be too precise.

This tweaks the selection of 'mi' to be a bit closer to the
middle than we would otherwise pick to avoid the problem.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-09 01:30:18 -07:00
Junio C Hamano
c04a7155a0 diff: make --dirstat binary-file safe
Instead of counting added and removed lines (and mixing the byte size
reported for binary files in the result), summarize the extent of damage
the same way as we count similarity for rename detection.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-09 01:25:28 -07:00
Junio C Hamano
628522ec14 sha1-lookup: more memory efficient search in sorted list of SHA-1
Currently, when looking for a packed object from the pack idx, a
simple binary search is used.

A conventional binary search loop looks like this:

        unsigned lo, hi;
        do {
                unsigned mi = (lo + hi) / 2;
                int cmp = "entry pointed at by mi" minus "target";
                if (!cmp)
                        return mi; "mi is the wanted one"
                if (cmp > 0)
                        hi = mi; "mi is larger than target"
                else
                        lo = mi+1; "mi is smaller than target"
        } while (lo < hi);
	"did not find what we wanted"

The invariants are:

  - When entering the loop, 'lo' points at a slot that is never
    above the target (it could be at the target), 'hi' points at
    a slot that is guaranteed to be above the target (it can
    never be at the target).

  - We find a point 'mi' between 'lo' and 'hi' ('mi' could be
    the same as 'lo', but never can be as high as 'hi'), and
    check if 'mi' hits the target.  There are three cases:

     - if it is a hit, we have found what we are looking for;

     - if it is strictly higher than the target, we set it to
       'hi', and repeat the search.

     - if it is strictly lower than the target, we update 'lo'
       to one slot after it, because we allow 'lo' to be at the
       target and 'mi' is known to be below the target.

    If the loop exits, there is no matching entry.

When choosing 'mi', we do not have to take the "middle" but
anywhere in between 'lo' and 'hi', as long as lo <= mi < hi is
satisfied.  When we somehow know that the distance between the
target and 'lo' is much shorter than the target and 'hi', we
could pick 'mi' that is much closer to 'lo' than (hi+lo)/2,
which a conventional binary search would pick.

This patch takes advantage of the fact that the SHA-1 is a good
hash function, and as long as there are enough entries in the
table, we can expect uniform distribution.  An entry that begins
with for example "deadbeef..." is much likely to appear much
later than in the midway of a reasonably populated table.  In
fact, it can be expected to be near 87% (222/256) from the top
of the table.

This is a work-in-progress and has switches to allow easier
experiments and debugging.  Exporting GIT_USE_LOOKUP environment
variable enables this code.

On my admittedly memory starved machine, with a partial KDE
repository (3.0G pack with 95M idx):

    $ GIT_USE_LOOKUP=t git log -800 --stat HEAD >/dev/null
    3.93user 0.16system 0:04.09elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
    0inputs+0outputs (0major+55588minor)pagefaults 0swaps

Without the patch, the numbers are:

    $ git log -800 --stat HEAD >/dev/null
    4.00user 0.15system 0:04.17elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
    0inputs+0outputs (0major+60258minor)pagefaults 0swaps

In the same repository:

    $ GIT_USE_LOOKUP=t git log -2000 HEAD >/dev/null
    0.12user 0.00system 0:00.12elapsed 97%CPU (0avgtext+0avgdata 0maxresident)k
    0inputs+0outputs (0major+4241minor)pagefaults 0swaps

Without the patch, the numbers are:

    $ git log -2000 HEAD >/dev/null
    0.05user 0.01system 0:00.07elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
    0inputs+0outputs (0major+8506minor)pagefaults 0swaps

There isn't much time difference, but the number of minor faults
seems to show that we are touching much smaller number of pages,
which is expected.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-09 01:23:52 -07:00
Junio C Hamano
2a5fe25458 Merge branch 'jc/rename'
* 'jc/rename' (early part):
  Optimize rename detection for a huge diff
2008-04-09 01:09:12 -07:00