X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=graph.c;h=b24d04c4066dd4d09200bb27d09c91d93c1bb5b0;hb=1d663835799f4c654fd46733e04fbaaaa0baf63a;hp=391a712e5eafbc05b8d4b739d96aaca0dd481460;hpb=b79faa99e6c4eac658130c5b6291dc0145164293;p=~andy%2Fgit

diff --git a/graph.c b/graph.c
index 391a712e5..b24d04c40 100644
--- a/graph.c
+++ b/graph.c
@@ -7,34 +7,6 @@
 
 /* Internal API */
 
-/*
- * Output the next line for a graph.
- * This formats the next graph line into the specified strbuf.  It is not
- * terminated with a newline.
- *
- * Returns 1 if the line includes the current commit, and 0 otherwise.
- * graph_next_line() will return 1 exactly once for each time
- * graph_update() is called.
- */
-static int graph_next_line(struct git_graph *graph, struct strbuf *sb);
-
-/*
- * Set up a custom scheme for column colors.
- *
- * The default column color scheme inserts ANSI color escapes to colorize
- * the graph. The various color escapes are stored in an array of strings
- * where each entry corresponds to a color, except for the last entry,
- * which denotes the escape for resetting the color back to the default.
- * When generating the graph, strings from this array are inserted before
- * and after the various column characters.
- *
- * This function allows you to enable a custom array of color escapes.
- * The 'colors_max' argument is the index of the last "reset" entry.
- *
- * This functions must be called BEFORE graph_init() is called.
- */
-static void graph_set_column_colors(const char **colors, unsigned short colors_max);
-
 /*
  * Output a padding line in the graph.
  * This is similar to graph_next_line().  However, it is guaranteed to
@@ -90,7 +62,7 @@ enum graph_state {
 static const char **column_colors;
 static unsigned short column_colors_max;
 
-static void graph_set_column_colors(const char **colors, unsigned short colors_max)
+void graph_set_column_colors(const char **colors, unsigned short colors_max)
 {
 	column_colors = colors;
 	column_colors_max = colors_max;
@@ -1144,7 +1116,7 @@ static void graph_output_collapsing_line(struct git_graph *graph, struct strbuf
 		graph_update_state(graph, GRAPH_PADDING);
 }
 
-static int graph_next_line(struct git_graph *graph, struct strbuf *sb)
+int graph_next_line(struct git_graph *graph, struct strbuf *sb)
 {
 	switch (graph->state) {
 	case GRAPH_PADDING:
@@ -1227,6 +1199,16 @@ void graph_show_commit(struct git_graph *graph)
 	if (!graph)
 		return;
 
+	/*
+	 * When showing a diff of a merge against each of its parents, we
+	 * are called once for each parent without graph_update having been
+	 * called.  In this case, simply output a single padding line.
+	 */
+	if (graph_is_commit_finished(graph)) {
+		graph_show_padding(graph);
+		shown_commit_line = 1;
+	}
+
 	while (!shown_commit_line && !graph_is_commit_finished(graph)) {
 		shown_commit_line = graph_next_line(graph, &msgbuf);
 		fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout);