doc/SubmittingPatches: show how to get a CLI commit summary

diff --git a/graph.c b/graph.c
index 0649007704ac635af163a4e1016121744a951d1c..8b9049dd2c725f58314042deebfb69030e4321d3 100644 (file)
--- a/graph.c
+++ b/graph.c
@@ -497,7 +497,6 @@ static void graph_update_width(struct git_graph *graph,
 static void graph_update_columns(struct git_graph *graph)
 {
        struct commit_list *parent;
-       struct column *tmp_columns;
        int max_new_columns;
        int mapping_idx;
        int i, seen_this, is_commit_in_columns;
@@ -510,11 +509,8 @@ static void graph_update_columns(struct git_graph *graph)
         * We'll re-use the old columns array as storage to compute the new
         * columns list for the commit after this one.
         */
-       tmp_columns = graph->columns;
-       graph->columns = graph->new_columns;
+       SWAP(graph->columns, graph->new_columns);
        graph->num_columns = graph->num_new_columns;
-
-       graph->new_columns = tmp_columns;
        graph->num_new_columns = 0;
 
        /*
@@ -1031,7 +1027,6 @@ static void graph_output_post_merge_line(struct git_graph *graph, struct strbuf
 static void graph_output_collapsing_line(struct git_graph *graph, struct strbuf *sb)
 {
        int i;
-       int *tmp_mapping;
        short used_horizontal = 0;
        int horizontal_edge = -1;
        int horizontal_edge_target = -1;
@@ -1166,9 +1161,7 @@ static void graph_output_collapsing_line(struct git_graph *graph, struct strbuf
        /*
         * Swap mapping and new_mapping
         */
-       tmp_mapping = graph->mapping;
-       graph->mapping = graph->new_mapping;
-       graph->new_mapping = tmp_mapping;
+       SWAP(graph->mapping, graph->new_mapping);
 
        /*
         * If graph->mapping indicates that all of the branch lines