completion: add option '--guides' to 'git help'

diff --git a/branch.h b/branch.h
index 58aa45fe72ca356a8bd3648782b36e63e207ee36..78ad4387cd326ca01f228b109b446e2049f29ee7 100644 (file)
--- a/branch.h
+++ b/branch.h
@@ -43,9 +43,10 @@ void remove_branch_state(void);
 /*
  * Configure local branch "local" as downstream to branch "remote"
  * from remote "origin".  Used by git branch --set-upstream.
+ * Returns 0 on success.
  */
 #define BRANCH_CONFIG_VERBOSE 01
-extern void install_branch_config(int flag, const char *local, const char *origin, const char *remote);
+extern int install_branch_config(int flag, const char *local, const char *origin, const char *remote);
 
 /*
  * Read branch description