t1430: clean up broken refs/tags/shadow

diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index cfb32b62420dc162e79aaea29a36f7d78f3353f5..e66b7cb697bc8a4ef7268e5d8d29f0b69a8ac213 100755 (executable)
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -77,11 +77,31 @@ test_expect_success 'object with bad sha1' '
 test_expect_success 'branch pointing to non-commit' '
        git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
        test_when_finished "git update-ref -d refs/heads/invalid" &&
-       git fsck 2>out &&
+       test_must_fail git fsck 2>out &&
        cat out &&
        grep "not a commit" out
 '
 
+test_expect_success 'HEAD link pointing at a funny object' '
+       test_when_finished "mv .git/SAVED_HEAD .git/HEAD" &&
+       mv .git/HEAD .git/SAVED_HEAD &&
+       echo 0000000000000000000000000000000000000000 >.git/HEAD &&
+       # avoid corrupt/broken HEAD from interfering with repo discovery
+       test_must_fail env GIT_DIR=.git git fsck 2>out &&
+       cat out &&
+       grep "detached HEAD points" out
+'
+
+test_expect_success 'HEAD link pointing at a funny place' '
+       test_when_finished "mv .git/SAVED_HEAD .git/HEAD" &&
+       mv .git/HEAD .git/SAVED_HEAD &&
+       echo "ref: refs/funny/place" >.git/HEAD &&
+       # avoid corrupt/broken HEAD from interfering with repo discovery
+       test_must_fail env GIT_DIR=.git git fsck 2>out &&
+       cat out &&
+       grep "HEAD points to something strange" out
+'
+
 test_expect_success 'email without @ is okay' '
        git cat-file commit HEAD >basis &&
        sed "s/@/AT/" basis >okay &&
@@ -156,6 +176,18 @@ test_expect_success 'integer overflow in timestamps is reported' '
        grep "error in commit $new.*integer overflow" out
 '
 
+test_expect_success 'commit with NUL in header' '
+       git cat-file commit HEAD >basis &&
+       sed "s/author ./author Q/" <basis | q_to_nul >commit-NUL-header &&
+       new=$(git hash-object -t commit -w --stdin <commit-NUL-header) &&
+       test_when_finished "remove_object $new" &&
+       git update-ref refs/heads/bogus "$new" &&
+       test_when_finished "git update-ref -d refs/heads/bogus" &&
+       test_must_fail git fsck 2>out &&
+       cat out &&
+       grep "error in commit $new.*unterminated header: NUL at offset" out
+'
+
 test_expect_success 'malformatted tree object' '
        test_when_finished "git update-ref -d refs/tags/wrong" &&
        test_when_finished "remove_object \$T" &&
@@ -231,8 +263,8 @@ test_expect_success 'tag with incorrect tag name & missing tagger' '
        git fsck --tags 2>out &&
 
        cat >expect <<-EOF &&
-       warning in tag $tag: invalid '\''tag'\'' name: wrong name format
-       warning in tag $tag: invalid format - expected '\''tagger'\'' line
+       warning in tag $tag: badTagName: invalid '\''tag'\'' name: wrong name format
+       warning in tag $tag: missingTaggerEntry: invalid format - expected '\''tagger'\'' line
        EOF
        test_cmp expect out
 '
@@ -256,6 +288,26 @@ test_expect_success 'tag with bad tagger' '
        grep "error in tag .*: invalid author/committer" out
 '
 
+test_expect_success 'tag with NUL in header' '
+       sha=$(git rev-parse HEAD) &&
+       q_to_nul >tag-NUL-header <<-EOF &&
+       object $sha
+       type commit
+       tag contains-Q-in-header
+       tagger T A Gger <tagger@example.com> 1234567890 -0000
+
+       This is an invalid tag.
+       EOF
+
+       tag=$(git hash-object --literally -t tag -w --stdin <tag-NUL-header) &&
+       test_when_finished "remove_object $tag" &&
+       echo $tag >.git/refs/tags/wrong &&
+       test_when_finished "git update-ref -d refs/tags/wrong" &&
+       test_must_fail git fsck --tags 2>out &&
+       cat out &&
+       grep "error in tag $tag.*unterminated header: NUL at offset" out
+'
+
 test_expect_success 'cleaned up' '
        git fsck >actual 2>&1 &&
        test_cmp empty actual
@@ -287,6 +339,17 @@ test_expect_success 'rev-list --verify-objects with bad sha1' '
        grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
 '
 
+test_expect_success 'force fsck to ignore double author' '
+       git cat-file commit HEAD >basis &&
+       sed "s/^author .*/&,&/" <basis | tr , \\n >multiple-authors &&
+       new=$(git hash-object -t commit -w --stdin <multiple-authors) &&
+       test_when_finished "remove_object $new" &&
+       git update-ref refs/heads/bogus "$new" &&
+       test_when_finished "git update-ref -d refs/heads/bogus" &&
+       test_must_fail git fsck &&
+       git -c fsck.multipleAuthors=ignore fsck
+'
+
 _bz='\0'
 _bz5="$_bz$_bz$_bz$_bz$_bz"
 _bz20="$_bz5$_bz5$_bz5$_bz5"
@@ -420,4 +483,26 @@ test_expect_success 'fsck notices ref pointing to missing tag' '
        test_must_fail git -C missing fsck
 '
 
+test_expect_success 'fsck --connectivity-only' '
+       rm -rf connectivity-only &&
+       git init connectivity-only &&
+       (
+               cd connectivity-only &&
+               touch empty &&
+               git add empty &&
+               test_commit empty &&
+               empty=.git/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391 &&
+               rm -f $empty &&
+               echo invalid >$empty &&
+               test_must_fail git fsck --strict &&
+               git fsck --strict --connectivity-only &&
+               tree=$(git rev-parse HEAD:) &&
+               suffix=${tree#??} &&
+               tree=.git/objects/${tree%$suffix}/$suffix &&
+               rm -f $tree &&
+               echo invalid >$tree &&
+               test_must_fail git fsck --strict --connectivity-only
+       )
+'
+
 test_done