builtin/commit.c: extract ignore_non_trailer() helper function

diff --git a/t/t6101-rev-parse-parents.sh b/t/t6101-rev-parse-parents.sh
index 7ea14ced313d3f0dd20d4afd2fc2a0d3309b938f..10b1452766b613932f66421f6c9bfafecc093177 100755 (executable)
--- a/t/t6101-rev-parse-parents.sh
+++ b/t/t6101-rev-parse-parents.sh
@@ -20,7 +20,17 @@ test_expect_success 'setup' '
        test_commit start2 &&
        git checkout master &&
        git merge -m next start2 &&
-       test_commit final
+       test_commit final &&
+
+       test_seq 40 |
+       while read i
+       do
+               git checkout --orphan "b$i" &&
+               test_tick &&
+               git commit --allow-empty -m "$i" &&
+               commit=$(git rev-parse --verify HEAD) &&
+               printf "$commit " >>.git/info/grafts
+       done
 '
 
 test_expect_success 'start is valid' '
@@ -79,6 +89,10 @@ test_expect_success 'final^1^! = final^1 ^final^1^1 ^final^1^2' '
        test_cmp expect actual
 '
 
+test_expect_success 'large graft octopus' '
+       test_cmp_rev_output b31 "git rev-parse --verify b1^30"
+'
+
 test_expect_success 'repack for next test' '
        git repack -a -d
 '