Don't try to delta if target is much smaller than source

diff --git a/builtin-write-tree.c b/builtin-write-tree.c
index c88bbd1b9be0fe2c033e2fe9daef0a8a2dae03a5..391de53972ebf77d2e08f1b405969e065bd8b371 100644 (file)
--- a/builtin-write-tree.c
+++ b/builtin-write-tree.c
@@ -36,8 +36,10 @@ int write_tree(unsigned char *sha1, int missing_ok, const char *prefix)
                        die("git-write-tree: error building trees");
                if (0 <= newfd) {
                        if (!write_cache(newfd, active_cache, active_nr)
-                                       && !close(newfd))
+                                       && !close(newfd)) {
                                commit_lock_file(lock_file);
+                               newfd = -1;
+                       }
                }
                /* Not being able to write is fine -- we are only interested
                 * in updating the cache-tree part, and if the next caller
@@ -55,6 +57,8 @@ int write_tree(unsigned char *sha1, int missing_ok, const char *prefix)
        else
                hashcpy(sha1, active_cache_tree->sha1);
 
+       if (0 <= newfd)
+               close(newfd);
        rollback_lock_file(lock_file);
 
        return 0;