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-rw-r--r--graph.c44
1 files changed, 13 insertions, 31 deletions
diff --git a/graph.c b/graph.c
index e864fe2c6a..b24d04c406 100644
--- a/graph.c
+++ b/graph.c
@@ -8,34 +8,6 @@
/* 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
* never print the current commit line. Instead, if the commit line is
@@ -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:
@@ -1227,7 +1199,17 @@ void graph_show_commit(struct git_graph *graph)
if (!graph)
return;
- while (!shown_commit_line) {
+ /*
+ * 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);
if (!shown_commit_line)