1 files changed, 2 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index 4043cec04e..4b435e8b19 100644
--- a/diff.h
+++ b/diff.h
@@ -222,6 +222,8 @@ extern void diff_flush(struct diff_options*);
 extern const char *diff_unique_abbrev(const unsigned char *, int);
 
 extern int run_diff_files(struct rev_info *revs, int silent_on_removed);
+extern int setup_diff_no_index(struct rev_info *revs,
+		int argc, const char ** argv, int nongit, const char *prefix);
 extern int run_diff_files_cmd(struct rev_info *revs, int argc, const char **argv);
 
 extern int run_diff_index(struct rev_info *revs, int cached);