+ if (!readme || !(*readme))
+ return;
+
+ /* Check if the readme is tracked in the git repo. */
+ colon = strchr(readme, ':');
+ if (colon && strlen(colon) > 1) {
+ /* If it starts with a colon, we want to use
+ * the default branch */
+ if (colon == readme && repo->defbranch)
+ *ref = xstrdup(repo->defbranch);
+ else
+ *ref = xstrndup(readme, colon - readme);
+ readme = colon + 1;
+ }
+
+ /* Prepend repo path to relative readme path unless tracked. */
+ if (!(*ref) && *readme != '/')
+ readme = fmtalloc("%s/%s", repo->path, readme);
+
+ /* If a subpath is specified for the about page, make it relative
+ * to the directory containing the configured readme. */
+ if (path) {
+ slash = strrchr(readme, '/');
+ if (!slash) {
+ if (!colon)
+ return;
+ slash = colon;
+ }
+ *filename = xmalloc(slash - readme + 1 + strlen(path) + 1);
+ strncpy(*filename, readme, slash - readme + 1);
+ strcpy(*filename + (slash - readme + 1), path);
+ } else
+ *filename = xstrdup(readme);