Merge branch 'ph/rerere-doc' into maint-1.7.8

[git.git] / pack-write.c

diff --git a/pack-write.c b/pack-write.c
index 9cd3bfbb4b3859cbbdc1b9375ea95f511fffc94e..f84adde3eb3bb6f6d3f4a871167d6a07ef73ebd8 100644 (file)
--- a/pack-write.c
+++ b/pack-write.c
@@ -129,6 +129,10 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                }
                sha1write(f, obj->sha1, 20);
                git_SHA1_Update(&ctx, obj->sha1, 20);
+               if ((opts->flags & WRITE_IDX_STRICT) &&
+                   (i && !hashcmp(list[-2]->sha1, obj->sha1)))
+                       die("The same object %s appears twice in the pack",
+                           sha1_to_hex(obj->sha1));
        }
 
        if (index_version >= 2) {