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push: require force for refs under refs/tags/

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References are allowed to update from one commit-ish to another if the
former is an ancestor of the latter.  This behavior is oriented to
branches which are expected to move with commits.  Tag references are
expected to be static in a repository, though, thus an update to
something under refs/tags/ should be rejected unless the update is
forced.

Signed-off-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Chris Rorvick
2012-11-29 19:41:37 -06:00
committed by Junio C Hamano
parent 8c5f6f717d
commit dbfeddb12e
9 changed files with 62 additions and 13 deletions
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23
t/t5516-fetch-push.sh
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@@ -368,7 +368,7 @@ test_expect_success 'push with colon-less refspec (2)' '
git branch -D frotz
fi &&
git tag -f frotz &&
git push testrepo frotz &&
git push -f testrepo frotz &&
check_push_result $the_commit tags/frotz &&
check_push_result $the_first_commit heads/frotz
@@ -929,6 +929,27 @@ test_expect_success 'push into aliased refs (inconsistent)' '
)
'
test_expect_success 'push requires --force to update lightweight tag' '
mk_test heads/master &&
mk_child child1 &&
mk_child child2 &&
(
cd child1 &&
git tag Tag &&
git push ../child2 Tag &&
git push ../child2 Tag &&
>file1 &&
git add file1 &&
git commit -m "file1" &&
git tag -f Tag &&
test_must_fail git push ../child2 Tag &&
git push --force ../child2 Tag &&
git tag -f Tag &&
test_must_fail git push ../child2 Tag HEAD~ &&
git push --force ../child2 Tag
)
'
test_expect_success 'push --porcelain' '
mk_empty &&
echo >.git/foo "To testrepo" &&