diff --follow: do not waste cycles while recursing

diff --git a/builtin/rev-list.c b/builtin/rev-list.c
index 51ceb19d88918445c90eccc37f1fe5f90cedd385..efe9360e2fdb9aac3bae0c61c85531041f24708a 100644 (file)
--- a/builtin/rev-list.c
+++ b/builtin/rev-list.c
@@ -50,6 +50,15 @@ static void show_commit(struct commit *commit, void *data)
 
        graph_show_commit(revs->graph);
 
+       if (revs->count) {
+               if (commit->object.flags & SYMMETRIC_LEFT)
+                       revs->count_left++;
+               else
+                       revs->count_right++;
+               finish_commit(commit, data);
+               return;
+       }
+
        if (info->show_timestamp)
                printf("%lu ", commit->date);
        if (info->header_prefix)
@@ -400,5 +409,12 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
                             quiet ? finish_object : show_object,
                             &info);
 
+       if (revs.count) {
+               if (revs.left_right)
+                       printf("%d\t%d\n", revs.count_left, revs.count_right);
+               else
+                       printf("%d\n", revs.count_left + revs.count_right);
+       }
+
        return 0;
 }