t/perf: export variable used in other blocks

diff --git a/graph.c b/graph.c
index 29b0f51dc507caa91fe6a748ad9599b97b47e242..8b9049dd2c725f58314042deebfb69030e4321d3 100644 (file)
--- a/graph.c
+++ b/graph.c
@@ -3,6 +3,7 @@
 #include "color.h"
 #include "graph.h"
 #include "revision.h"
+#include "argv-array.h"
 
 /* Internal API */
 
@@ -79,6 +80,26 @@ static void graph_show_line_prefix(const struct diff_options *diffopt)
 static const char **column_colors;
 static unsigned short column_colors_max;
 
+static void parse_graph_colors_config(struct argv_array *colors, const char *string)
+{
+       const char *end, *start;
+
+       start = string;
+       end = string + strlen(string);
+       while (start < end) {
+               const char *comma = strchrnul(start, ',');
+               char color[COLOR_MAXLEN];
+
+               if (!color_parse_mem(start, comma - start, color))
+                       argv_array_push(colors, color);
+               else
+                       warning(_("ignore invalid color '%.*s' in log.graphColors"),
+                               (int)(comma - start), start);
+               start = comma + 1;
+       }
+       argv_array_push(colors, GIT_COLOR_RESET);
+}
+
 void graph_set_column_colors(const char **colors, unsigned short colors_max)
 {
        column_colors = colors;
@@ -238,9 +259,22 @@ struct git_graph *graph_init(struct rev_info *opt)
 {
        struct git_graph *graph = xmalloc(sizeof(struct git_graph));
 
-       if (!column_colors)
-               graph_set_column_colors(column_colors_ansi,
-                                       column_colors_ansi_max);
+       if (!column_colors) {
+               char *string;
+               if (git_config_get_string("log.graphcolors", &string)) {
+                       /* not configured -- use default */
+                       graph_set_column_colors(column_colors_ansi,
+                                               column_colors_ansi_max);
+               } else {
+                       static struct argv_array custom_colors = ARGV_ARRAY_INIT;
+                       argv_array_clear(&custom_colors);
+                       parse_graph_colors_config(&custom_colors, string);
+                       free(string);
+                       /* graph_set_column_colors takes a max-index, not a count */
+                       graph_set_column_colors(custom_colors.argv,
+                                               custom_colors.argc - 1);
+               }
+       }
 
        graph->commit = NULL;
        graph->revs = opt;