compat: Add simplified merge sort implementation from glibc

diff --git a/builtin-revert.c b/builtin-revert.c
index 4bf8eb2f58ac5a81a9d6538e31f2da661db4c3e9..358af537476b0b558989f27fe60627af6977635b 100644 (file)
--- a/builtin-revert.c
+++ b/builtin-revert.c
@@ -371,13 +371,13 @@ static int revert_or_cherry_pick(int argc, const char **argv)
                                        i++;
                        }
                }
-               if (close(msg_fd) || commit_lock_file(&msg_file) < 0)
+               if (commit_lock_file(&msg_file) < 0)
                        die ("Error wrapping up %s", defmsg);
                fprintf(stderr, "Automatic %s failed.%s\n",
                        me, help_msg(commit->object.sha1));
                exit(1);
        }
-       if (close(msg_fd) || commit_lock_file(&msg_file) < 0)
+       if (commit_lock_file(&msg_file) < 0)
                die ("Error wrapping up %s", defmsg);
        fprintf(stderr, "Finished one %s.\n", me);