1 files changed, 1 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index 4fa69f0ee4..922bed9212 100644
--- a/cache.h
+++ b/cache.h
@@ -698,6 +698,7 @@ extern const char *git_log_output_encoding;
 /* IO helper functions */
 extern void maybe_flush_or_die(FILE *, const char *);
 extern int copy_fd(int ifd, int ofd);
+extern int copy_file(const char *dst, const char *src, int mode);
 extern int read_in_full(int fd, void *buf, size_t count);
 extern int write_in_full(int fd, const void *buf, size_t count);
 extern void write_or_die(int fd, const void *buf, size_t count);