get_sha1: avoid repeating ourselves via ONLY_TO_DIE

diff --git a/t/t4254-am-corrupt.sh b/t/t4254-am-corrupt.sh
index 85716dd6ec566f34f7c4e0b30477bb1531c6030e..9bd7dd2ba15cfd1096d3e89b012f5979b1a01eee 100755 (executable)
--- a/t/t4254-am-corrupt.sh
+++ b/t/t4254-am-corrupt.sh
@@ -29,7 +29,7 @@ test_expect_success 'try to apply corrupted patch' '
 '
 
 test_expect_success 'compare diagnostic; ensure file is still here' '
-       echo "fatal: git diff header lacks filename information (line 4)" >expected &&
+       echo "error: git diff header lacks filename information (line 4)" >expected &&
        test_path_is_file f &&
        test_cmp expected actual
 '