'
reset_to_sane
-test_expect_success 'symbolic-ref deletes HEAD' '
- git symbolic-ref -d HEAD &&
+test_expect_success 'HEAD cannot be removed' '
+ test_must_fail git symbolic-ref -d HEAD
+'
+
+reset_to_sane
+
+test_expect_success 'symbolic-ref can be deleted' '
+ git symbolic-ref NOTHEAD refs/heads/foo &&
+ git symbolic-ref -d NOTHEAD &&
test_path_is_file .git/refs/heads/foo &&
- test_path_is_missing .git/HEAD
+ test_path_is_missing .git/NOTHEAD
'
reset_to_sane
-test_expect_success 'symbolic-ref deletes dangling HEAD' '
- git symbolic-ref HEAD refs/heads/missing &&
- git symbolic-ref -d HEAD &&
+test_expect_success 'symbolic-ref can delete dangling symref' '
+ git symbolic-ref NOTHEAD refs/heads/missing &&
+ git symbolic-ref -d NOTHEAD &&
test_path_is_missing .git/refs/heads/missing &&
- test_path_is_missing .git/HEAD
+ test_path_is_missing .git/NOTHEAD
'
reset_to_sane
test_expect_success 'symbolic-ref fails to delete real ref' '
echo "fatal: Cannot delete refs/heads/foo, not a symbolic ref" >expect &&
test_must_fail git symbolic-ref -d refs/heads/foo >actual 2>&1 &&
- test_path_is_file .git/refs/heads/foo &&
+ git rev-parse --verify refs/heads/foo &&
test_cmp expect actual
'
reset_to_sane
test_must_fail git symbolic-ref refs/heads/df/conflict refs/heads/df
'
-test_expect_success 'symbolic-ref handles existing pointer to invalid name' '
+test_expect_success 'symbolic-ref can overwrite pointer to invalid name' '
+ test_when_finished reset_to_sane &&
head=$(git rev-parse HEAD) &&
git symbolic-ref HEAD refs/heads/outer &&
+ test_when_finished "git update-ref -d refs/heads/outer/inner" &&
git update-ref refs/heads/outer/inner $head &&
git symbolic-ref HEAD refs/heads/unrelated
'
+test_expect_success 'symbolic-ref can resolve d/f name (EISDIR)' '
+ test_when_finished reset_to_sane &&
+ head=$(git rev-parse HEAD) &&
+ git symbolic-ref HEAD refs/heads/outer/inner &&
+ test_when_finished "git update-ref -d refs/heads/outer" &&
+ git update-ref refs/heads/outer $head &&
+ echo refs/heads/outer/inner >expect &&
+ git symbolic-ref HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'symbolic-ref can resolve d/f name (ENOTDIR)' '
+ test_when_finished reset_to_sane &&
+ head=$(git rev-parse HEAD) &&
+ git symbolic-ref HEAD refs/heads/outer &&
+ test_when_finished "git update-ref -d refs/heads/outer/inner" &&
+ git update-ref refs/heads/outer/inner $head &&
+ echo refs/heads/outer >expect &&
+ git symbolic-ref HEAD >actual &&
+ test_cmp expect actual
+'
+
test_done