Am 23.01.2010 04:28, schrieb Junio C Hamano:
> * jl/submodule-diff (2010-01-18) 4 commits
> (merged to 'next' on 2010-01-20 at 95cb513)
> + Performance optimization for detection of modified submodules
> (merged to 'next' on 2010-01-17 at 525075b)
> + git status: Show uncommitted submodule changes too when enabled
> (merged to 'next' on 2010-01-16 at 0a99e3c)
> + Teach diff that modified submodule directory is dirty
> + Show submodules as modified when they contain a dirty work tree
What about adding the following patch to this series?
Without it i see a performance regression for people who use
"git diff* --ignore-submodules".
A patch that teaches "git diff --submodule" to display if the submodule
contains new untracked and/or modified files is also almost ready. Would
you consider it for inclusion into 1.7.0 too or shall i wait until after
the release?
------8<-----
Subject: [PATCH] git diff: Don't test submodule dirtiness with --ignore-submodules
The diff family suppresses the output of submodule changes when
requested but checks them nonetheless. But since recently submodules
get examined for their dirtiness, which is rather expensive. There is
no need to do that when the --ignore-submodules option is used, as
the gathered information is never used anyway.
Signed-off-by: Jens Lehmann <Jens.Lehmann@xxxxxx>
---
diff-lib.c | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/diff-lib.c b/diff-lib.c
index ec2e2ac..e896b9c 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -161,7 +161,10 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
continue;
}
- if ((ce_uptodate(ce) && !S_ISGITLINK(ce->ce_mode)) || ce_skip_worktree(ce))
+ if ((ce_uptodate(ce)
+ && (!S_ISGITLINK(ce->ce_mode)
+ || DIFF_OPT_TST(&revs->diffopt, IGNORE_SUBMODULES)))
+ || ce_skip_worktree(ce))
continue;
/* If CE_VALID is set, don't look at workdir for file removal */
@@ -179,6 +182,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
}
changed = ce_match_stat(ce, &st, ce_option);
if (S_ISGITLINK(ce->ce_mode)
+ && !DIFF_OPT_TST(&revs->diffopt, IGNORE_SUBMODULES)
&& (!changed || (revs->diffopt.output_format & DIFF_FORMAT_PATCH))
&& is_submodule_modified(ce->name)) {
changed = 1;
@@ -220,7 +224,7 @@ static int get_stat_data(struct cache_entry *ce,
const unsigned char **sha1p,
unsigned int *modep,
int cached, int match_missing,
- unsigned *dirty_submodule, int output_format)
+ unsigned *dirty_submodule, struct diff_options *diffopt)
{
const unsigned char *sha1 = ce->sha1;
unsigned int mode = ce->ce_mode;
@@ -241,7 +245,8 @@ static int get_stat_data(struct cache_entry *ce,
}
changed = ce_match_stat(ce, &st, 0);
if (S_ISGITLINK(ce->ce_mode)
- && (!changed || (output_format & DIFF_FORMAT_PATCH))
+ && !DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES)
+ && (!changed || (diffopt->output_format & DIFF_FORMAT_PATCH))
&& is_submodule_modified(ce->name)) {
changed = 1;
*dirty_submodule = 1;
@@ -270,7 +275,7 @@ static void show_new_file(struct rev_info *revs,
* the working copy.
*/
if (get_stat_data(new, &sha1, &mode, cached, match_missing,
- &dirty_submodule, revs->diffopt.output_format) < 0)
+ &dirty_submodule, &revs->diffopt) < 0)
return;
diff_index_show_file(revs, "+", new, sha1, mode, dirty_submodule);
@@ -287,7 +292,7 @@ static int show_modified(struct rev_info *revs,
unsigned dirty_submodule = 0;
if (get_stat_data(new, &sha1, &mode, cached, match_missing,
- &dirty_submodule, revs->diffopt.output_format) < 0) {
+ &dirty_submodule, &revs->diffopt) < 0) {
if (report_missing)
diff_index_show_file(revs, "-", old,
old->sha1, old->ce_mode, 0);
--
1.6.6.1.558.g5c480.dirty
--
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