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merge-recursive: handle file mode changes

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File mode changes should be handled similarly to changes of content.
That is, if the file mode changed in only one branch, keep the changed
version, and if both branch changed to different mode, mark it as a
conflict.

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Clemens Buchacher 2008-03-13 23:47:41 +01:00 committed by Junio C Hamano
parent bb12ac5120
commit 1affea4f62
2 changed files with 62 additions and 2 deletions
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15
merge-recursive.c
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@ -1028,9 +1028,20 @@ static struct merge_file_info merge_file(struct diff_filespec *o,
if (!sha_eq(a->sha1, o->sha1) && !sha_eq(b->sha1, o->sha1))
result.merge = 1;
result.mode = a->mode == o->mode ? b->mode: a->mode;
/*
* Merge modes
*/
if (a->mode == b->mode || a->mode == o->mode)
result.mode = b->mode;
else {
result.mode = a->mode;
if (b->mode != o->mode) {
result.clean = 0;
result.merge = 1;
}
}
if (sha_eq(a->sha1, o->sha1))
if (sha_eq(a->sha1, b->sha1) || sha_eq(a->sha1, o->sha1))
hashcpy(result.sha, b->sha1);
else if (sha_eq(b->sha1, o->sha1))
hashcpy(result.sha, a->sha1);

49
t/t6031-merge-recursive.sh Executable file
View file

@ -0,0 +1,49 @@
#!/bin/sh
test_description='merge-recursive: handle file mode'
. ./test-lib.sh
test_expect_success 'mode change in one branch: keep changed version' '
: >file1 &&
git add file1 &&
git commit -m initial &&
git checkout -b a1 master &&
: >dummy &&
git add dummy &&
git commit -m a &&
git checkout -b b1 master &&
chmod +x file1 &&
git add file1 &&
git commit -m b1 &&
git checkout a1 &&
git merge-recursive master -- a1 b1 &&
test -x file1
'
test_expect_success 'mode change in both branches: expect conflict' '
git reset --hard HEAD &&
git checkout -b a2 master &&
: >file2 &&
H=$(git hash-object file2) &&
chmod +x file2 &&
git add file2 &&
git commit -m a2 &&
git checkout -b b2 master &&
: >file2 &&
git add file2 &&
git commit -m b2 &&
git checkout a2 &&
(
git merge-recursive master -- a2 b2
test $? = 1
) &&
git ls-files -u >actual &&
(
echo "100755 $H 2 file2"
echo "100644 $H 3 file2"
) >expect &&
diff -u actual expect &&
test -x file2
'
test_done