check_filename(): use skip_prefix

diff --git a/t/t4208-log-magic-pathspec.sh b/t/t4208-log-magic-pathspec.sh
index 001343e2fc2722506172e702266f5bab6278d1e8..70bc64100b707c8e2d2c7913ff04e6599de64d18 100755 (executable)
--- a/t/t4208-log-magic-pathspec.sh
+++ b/t/t4208-log-magic-pathspec.sh
@@ -29,6 +29,12 @@ test_expect_success '"git log -- :/a" should not be ambiguous' '
        git log -- :/a
 '
 
+# This differs from the ":/a" check above in that :/in looks like a pathspec,
+# but doesn't match an actual file.
+test_expect_success '"git log :/in" should not be ambiguous' '
+       git log :/in
+'
+
 test_expect_success '"git log :" should be ambiguous' '
        test_must_fail git log : 2>error &&
        test_i18ngrep ambiguous error