const unsigned char *new_sha1,
filepair_fn fn, const char *prefix, int ignorews);
-extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);
+extern void cgit_diff_commit(struct commit *commit, filepair_fn fn,
+ const char *prefix);
__attribute__((format (printf,1,2)))
extern char *fmt(const char *format,...);