git-pack-objects: add "--stdout" flag to write the pack file to stdout

diff --git a/write-tree.c b/write-tree.c
index b8bf8831e09facf19bfb9673e26a885ea249285a..a794ea15b89ece14570bb8bf3ed0b42ab65cd413 100644 (file)
--- a/write-tree.c
+++ b/write-tree.c
@@ -7,14 +7,13 @@
 
 static int check_valid_sha1(unsigned char *sha1)
 {
-       char *filename = sha1_file_name(sha1);
        int ret;
 
        /* If we were anal, we'd check that the sha1 of the contents actually matches */
-       ret = access(filename, R_OK);
-       if (ret)
-               perror(filename);
-       return ret;
+       ret = has_sha1_file(sha1);
+       if (ret == 0)
+               perror(sha1_file_name(sha1));
+       return ret ? 0 : -1;
 }
 
 static int write_tree(struct cache_entry **cachep, int maxentries, const char *base, int baselen, unsigned char *returnsha1)