Documentation: rerere's rr-cache auto-creation and rerere.enabled

diff --git a/diff.h b/diff.h
index adb40ba273ffec74010a36e98a538fcc204919f1..6d303c1d50aa799ec90aeb64b2a1b1f55811dd46 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -198,6 +198,8 @@ extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_
 
 void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b);
 
+extern int diff_can_quit_early(struct diff_options *);
+
 extern void diff_addremove(struct diff_options *,
                           int addremove,
                           unsigned mode,