merge: honor prepare-commit-msg hook

When a merge is stopped due to conflicts or --no-commit, the
subsequent commit calls the prepare-commit-msg hook. However,
it is not called after a clean merge. Fix this inconsistency
by invoking the hook after clean merges as well.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jay Soffian 2011-02-14 20:07:50 -05:00 committed by Junio C Hamano
parent 7ed863a85a
commit 65969d43d1
2 changed files with 41 additions and 8 deletions

View file

@ -795,6 +795,32 @@ static void add_strategies(const char *string, unsigned attr)
}
static void write_merge_msg(void)
{
int fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno("Could not open '%s' for writing",
git_path("MERGE_MSG"));
if (write_in_full(fd, merge_msg.buf, merge_msg.len) != merge_msg.len)
die_errno("Could not write to '%s'", git_path("MERGE_MSG"));
close(fd);
}
static void read_merge_msg(void)
{
strbuf_reset(&merge_msg);
if (strbuf_read_file(&merge_msg, git_path("MERGE_MSG"), 0) < 0)
die_errno("Could not read from '%s'", git_path("MERGE_MSG"));
}
static void run_prepare_commit_msg(void)
{
write_merge_msg();
run_hook(get_index_file(), "prepare-commit-msg",
git_path("MERGE_MSG"), "merge", NULL, NULL);
read_merge_msg();
}
static int merge_trivial(void)
{
unsigned char result_tree[20], result_commit[20];
@ -806,6 +832,7 @@ static int merge_trivial(void)
parent->next = xmalloc(sizeof(*parent->next));
parent->next->item = remoteheads->item;
parent->next->next = NULL;
run_prepare_commit_msg();
commit_tree(merge_msg.buf, result_tree, parent, result_commit, NULL);
finish(result_commit, "In-index merge");
drop_save();
@ -835,6 +862,7 @@ static int finish_automerge(struct commit_list *common,
}
free_commit_list(remoteheads);
strbuf_addch(&merge_msg, '\n');
run_prepare_commit_msg();
commit_tree(merge_msg.buf, result_tree, parents, result_commit, NULL);
strbuf_addf(&buf, "Merge made by %s.", wt_strategy);
finish(result_commit, buf.buf);
@ -1316,14 +1344,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
die_errno("Could not write to '%s'", git_path("MERGE_HEAD"));
close(fd);
strbuf_addch(&merge_msg, '\n');
fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno("Could not open '%s' for writing",
git_path("MERGE_MSG"));
if (write_in_full(fd, merge_msg.buf, merge_msg.len) !=
merge_msg.len)
die_errno("Could not write to '%s'", git_path("MERGE_MSG"));
close(fd);
write_merge_msg();
fd = open(git_path("MERGE_MODE"), O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (fd < 0)
die_errno("Could not open '%s' for writing",

View file

@ -132,6 +132,18 @@ test_expect_success 'with hook (-c)' '
'
test_expect_success 'with hook (merge)' '
head=`git rev-parse HEAD` &&
git checkout -b other HEAD@{1} &&
echo "more" >> file &&
git add file &&
git commit -m other &&
git checkout - &&
git merge other &&
test "`git log -1 --pretty=format:%s`" = merge
'
cat > "$HOOK" <<'EOF'
#!/bin/sh
exit 1