Simplify the update_rev_graph end-game

diff --git a/tig.c b/tig.c
index 0ec81b8874560d9149a3e0e6a60f714f04f29949..cc3dc50fbd2609a2e676d0b9bd5aacc2b2f67727 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -2925,19 +2925,21 @@ update_rev_graph(struct rev_stack *graph)
 
        draw_rev_graph(graph);
 
-       if (graph_parent_is_merge(graph->prev) &&
-           graph->prev->pos < graph->prev->size - 1 &&
-           graph->size == graph->prev->size + graph->prev->parents->size - 1) {
-               i = graph->prev->pos + graph->prev->parents->size - 1;
-               graph->prev->commit->graph_size = i * 2;
-               while (i < graph->size - 1) {
-                       append_to_rev_graph(graph->prev, ' ');
-                       append_to_rev_graph(graph->prev, '\\');
+       graph = graph->prev;
+
+       if (graph_parent_is_merge(graph) &&
+           graph->pos < graph->size - 1 &&
+           graph->next->size == graph->size + graph->parents->size - 1) {
+               i = graph->pos + graph->parents->size - 1;
+               graph->commit->graph_size = i * 2;
+               while (i < graph->next->size - 1) {
+                       append_to_rev_graph(graph, ' ');
+                       append_to_rev_graph(graph, '\\');
                        i++;
                }
        }
 
-       reset_rev_graph(graph->prev);
+       reset_rev_graph(graph);
 }
 
 /* Reads git log --pretty=raw output and parses it into the commit struct. */