help: check early if we have a command, if not try a documentation topic

diff --git a/index-pack.c b/index-pack.c
index aaba9443ccbab1315e67c0e6bedaa82afe5464fc..5ac91baf98615d7e494550155c1c4d7665ed2dcd 100644 (file)
--- a/index-pack.c
+++ b/index-pack.c
@@ -694,6 +694,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
        if (!from_stdin) {
                close(input_fd);
        } else {
+               fsync_or_die(output_fd, curr_pack_name);
                err = close(output_fd);
                if (err)
                        die("error while closing pack file: %s", strerror(errno));