check_filename(): use skip_prefix

diff --git a/t/t4208-log-magic-pathspec.sh b/t/t4208-log-magic-pathspec.sh
index d8f23f488e00dad97eeb5d22f5f0db01bcab8021..70bc64100b707c8e2d2c7913ff04e6599de64d18 100755 (executable)
--- a/t/t4208-log-magic-pathspec.sh
+++ b/t/t4208-log-magic-pathspec.sh
@@ -18,7 +18,7 @@ test_expect_success '"git log :/" should not be ambiguous' '
 test_expect_success '"git log :/a" should be ambiguous (applied both rev and worktree)' '
        : >a &&
        test_must_fail git log :/a 2>error &&
-       grep ambiguous error
+       test_i18ngrep ambiguous error
 '
 
 test_expect_success '"git log :/a -- " should not be ambiguous' '
@@ -29,9 +29,15 @@ 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 &&
-       grep ambiguous error
+       test_i18ngrep ambiguous error
 '
 
 test_expect_success 'git log -- :' '