git-am: Don't accept an mbox on stdin of we already have a .dotest directory

diff --git a/builtin-write-tree.c b/builtin-write-tree.c
index 70e9b6fcc6d93e9b869a0a1eac144cbea3ecba3f..449a4d1b575b591aa07a40532649f9ea06eb6890 100644 (file)
--- a/builtin-write-tree.c
+++ b/builtin-write-tree.c
@@ -35,7 +35,8 @@ int write_tree(unsigned char *sha1, int missing_ok, const char *prefix)
                                      missing_ok, 0) < 0)
                        die("git-write-tree: error building trees");
                if (0 <= newfd) {
-                       if (!write_cache(newfd, active_cache, active_nr))
+                       if (!write_cache(newfd, active_cache, active_nr)
+                                       && !close(newfd))
                                commit_lock_file(lock_file);
                }
                /* Not being able to write is fine -- we are only interested