diff: ensure correct lifetime of external_diff_cmd

diff --git a/bisect.h b/bisect.h
index c535e6d12e434a36569c18da81ea9cf916393363..34df20935123065b4b253288ea0e22b1721af0e9 100644 (file)
--- a/bisect.h
+++ b/bisect.h
@@ -1,6 +1,8 @@
 #ifndef BISECT_H
 #define BISECT_H
 
+struct commit_list;
+
 /*
  * Find bisection. If something is found, `reaches` will be the number of
  * commits that the best commit reaches. `all` will be the count of
@@ -34,4 +36,6 @@ extern int estimate_bisect_steps(int all);
 
 extern void read_bisect_terms(const char **bad, const char **good);
 
+extern int bisect_clean_state(void);
+
 #endif