test_must_fail git branch foo/bar/baz/lots/of/extra/components
'
+test_expect_success 'reject packed-refs with unterminated line' '
+ cp .git/packed-refs .git/packed-refs.bak &&
+ test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
+ printf "%s" "$HEAD refs/zzzzz" >>.git/packed-refs &&
+ echo "fatal: unterminated line in .git/packed-refs: $HEAD refs/zzzzz" >expected_err &&
+ test_must_fail git for-each-ref >out 2>err &&
+ test_cmp expected_err err
+'
+
+test_expect_success 'reject packed-refs containing junk' '
+ cp .git/packed-refs .git/packed-refs.bak &&
+ test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
+ printf "%s\n" "bogus content" >>.git/packed-refs &&
+ echo "fatal: unexpected line in .git/packed-refs: bogus content" >expected_err &&
+ test_must_fail git for-each-ref >out 2>err &&
+ test_cmp expected_err err
+'
+
+test_expect_success 'reject packed-refs with a short SHA-1' '
+ cp .git/packed-refs .git/packed-refs.bak &&
+ test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
+ printf "%.7s %s\n" $HEAD refs/zzzzz >>.git/packed-refs &&
+ printf "fatal: unexpected line in .git/packed-refs: %.7s %s\n" $HEAD refs/zzzzz >expected_err &&
+ test_must_fail git for-each-ref >out 2>err &&
+ test_cmp expected_err err
+'
+
test_expect_success 'timeout if packed-refs.lock exists' '
LOCK=.git/packed-refs.lock &&
>"$LOCK" &&
git -c core.packedrefstimeout=3000 pack-refs --all --prune
'
+test_expect_success SYMLINKS 'pack symlinked packed-refs' '
+ # First make sure that symlinking works when reading:
+ git update-ref refs/heads/loosy refs/heads/master &&
+ git for-each-ref >all-refs-before &&
+ mv .git/packed-refs .git/my-deviant-packed-refs &&
+ ln -s my-deviant-packed-refs .git/packed-refs &&
+ git for-each-ref >all-refs-linked &&
+ test_cmp all-refs-before all-refs-linked &&
+ git pack-refs --all --prune &&
+ git for-each-ref >all-refs-packed &&
+ test_cmp all-refs-before all-refs-packed &&
+ test -h .git/packed-refs &&
+ test "$(readlink .git/packed-refs)" = "my-deviant-packed-refs"
+'
+
test_done