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diff: make sure work tree side is shown as 0{40} when different

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Ping Yin noticed that "git diff-index --raw" shows 0{40} when work tree
has submodule difference, but "git diff --raw" didn't correctly do so.

There was a mistake in the diffcore_skip_stat_unmatch() that was meant to
clean up the stat-only difference for running diff between the index and
work tree and diff between the tree and the work tree, to cause it re-read
from the submodule repository HEAD.  When ce_stat_match() says work tree
is different, we should always say 0{40} on the work tree side.

This patch fixes the issue, and adds tests.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2008-03-02 00:07:59 -08:00
parent c8c16f2865
commit 2b459b483c
2 changed files with 55 additions and 5 deletions
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7
diff.c
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@ -3187,11 +3187,8 @@ static void diffcore_apply_filter(const char *filter)
static int diff_filespec_is_identical(struct diff_filespec *one,
struct diff_filespec *two)
{
if (S_ISGITLINK(one->mode)) {
diff_fill_sha1_info(one);
diff_fill_sha1_info(two);
return !hashcmp(one->sha1, two->sha1);
}
if (S_ISGITLINK(one->mode))
return 0;
if (diff_populate_filespec(one, 0))
return 0;
if (diff_populate_filespec(two, 0))