merge: fix GIT_EDITOR override for commit hook

Don't set GIT_EDITOR to ":" when calling prepare-commit-msg hook if the
editor is going to be called (e.g. with "merge -e").

Signed-off-by: Benoit Pierre <benoit.pierre@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/merge.c b/builtin/merge.c
index 67f312d877c0db248d1268ea8bda29eb61fe4ca4..b11a528ce5580d5e5b9b61f291e0d829a735ae6a 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -821,7 +821,7 @@ static void prepare_to_commit(struct commit_list *remoteheads)
        if (0 < option_edit)
                strbuf_commented_addf(&msg, _(merge_editor_comment), comment_line_char);
        write_merge_msg(&msg);
-       if (run_commit_hook(1, get_index_file(), "prepare-commit-msg",
+       if (run_commit_hook(0 < option_edit, get_index_file(), "prepare-commit-msg",
                            git_path("MERGE_MSG"), "merge", NULL))
                abort_commit(remoteheads, NULL);
        if (0 < option_edit) {