1 files changed, 1 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index c84e797fd..cc7b6db4b 100644
--- a/cache.h
+++ b/cache.h
@@ -263,6 +263,7 @@ struct pack_entry {
 extern int git_connect(int fd[2], char *url, const char *prog);
 extern int finish_connect(pid_t pid);
 extern int path_match(const char *path, int nr, char **match);
+extern int get_ack(int fd, unsigned char *result_sha1);
 
 extern void prepare_packed_git(void);
 extern int use_packed_git(struct packed_git *);