prepare-commit-msg hook is run when committing to prepare the log
message. If the exit-status is non-zero, the commit should be aborted.
While the script is run before committing a successful merge, the
exit-status is ignored and a non-zero exit doesn't abort the commit.
Abort the commit if prepare-commit-msg returns with a non-zero status
when committing a successful merge.
Signed-off-by: Antoine Pelisse <apeli...@gmail.com>
---
builtin/merge.c | 5 +++--
t/t7505-prepare-commit-msg-hook.sh | 13 +++++++++++++
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/builtin/merge.c b/builtin/merge.c
index a96e8ea..3a31c4b 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -800,8 +800,9 @@ static void prepare_to_commit(struct commit_list
*remoteheads)
if (0 < option_edit)
strbuf_add_lines(&msg, "# ", comment, strlen(comment));
write_merge_msg(&msg);
- run_hook(get_index_file(), "prepare-commit-msg",
- git_path("MERGE_MSG"), "merge", NULL, NULL);
+ if (run_hook(get_index_file(), "prepare-commit-msg",
+ git_path("MERGE_MSG"), "merge", NULL, NULL))
+ abort_commit(remoteheads, NULL);
if (0 < option_edit) {
if (launch_editor(git_path("MERGE_MSG"), NULL, NULL))
abort_commit(remoteheads, NULL);
diff --git a/t/t7505-prepare-commit-msg-hook.sh
b/t/t7505-prepare-commit-msg-hook.sh
index 5b4b694..bc497bc 100755
--- a/t/t7505-prepare-commit-msg-hook.sh
+++ b/t/t7505-prepare-commit-msg-hook.sh
@@ -167,5 +167,18 @@ test_expect_success 'with failing hook (--no-verify)' '
'
+test_expect_success 'with failing hook (merge)' '
+
+ git checkout -B other HEAD@{1} &&
+ echo "more" >> file &&
+ git add file &&
+ chmod -x $HOOK &&
+ git commit -m other &&
+ chmod +x $HOOK &&
+ git checkout - &&
+ head=`git rev-parse HEAD` &&
+ test_must_fail git merge other
+
+'
test_done
--
1.8.1.rc3.27.g3b73c7d.dirty
--
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