strbuf: add strbuf_tolower function

diff --git a/t/t6010-merge-base.sh b/t/t6010-merge-base.sh
index 30a68335b3a69a8189648213606ddeb32b97d99e..39b3238da211957eeec36a9c7b911cd5942de6dd 100755 (executable)
--- a/t/t6010-merge-base.sh
+++ b/t/t6010-merge-base.sh
@@ -258,4 +258,43 @@ test_expect_success 'using reflog to find the fork point' '
        test_cmp expect3 actual
 '
 
+test_expect_success 'merge-base --octopus --all for complex tree' '
+       # Best common ancestor for JE, JAA and JDD is JC
+       #             JE
+       #            / |
+       #           /  |
+       #          /   |
+       #  JAA    /    |
+       #   |\   /     |
+       #   | \  | JDD |
+       #   |  \ |/ |  |
+       #   |   JC JD  |
+       #   |    | /|  |
+       #   |    |/ |  |
+       #  JA    |  |  |
+       #   |\  /|  |  |
+       #   X JB |  X  X
+       #   \  \ | /   /
+       #    \__\|/___/
+       #        J
+       test_commit J &&
+       test_commit JB &&
+       git reset --hard J &&
+       test_commit JC &&
+       git reset --hard J &&
+       test_commit JTEMP1 &&
+       test_merge JA JB &&
+       test_merge JAA JC &&
+       git reset --hard J &&
+       test_commit JTEMP2 &&
+       test_merge JD JB &&
+       test_merge JDD JC &&
+       git reset --hard J &&
+       test_commit JTEMP3 &&
+       test_merge JE JC &&
+       git rev-parse JC >expected &&
+       git merge-base --all --octopus JAA JDD JE >actual &&
+       test_cmp expected actual
+'
+
 test_done