+static size_t parse_color(struct strbuf *sb, /* in UTF-8 */
+ const char *placeholder,
+ struct format_commit_context *c)
+{
+ if (placeholder[1] == '(') {
+ const char *begin = placeholder + 2;
+ const char *end = strchr(begin, ')');
+ char color[COLOR_MAXLEN];
+
+ if (!end)
+ return 0;
+ if (!prefixcmp(begin, "auto,")) {
+ if (!want_color(c->pretty_ctx->color))
+ return end - placeholder + 1;
+ begin += 5;
+ }
+ color_parse_mem(begin,
+ end - begin,
+ "--pretty format", color);
+ strbuf_addstr(sb, color);
+ return end - placeholder + 1;
+ }
+ if (!prefixcmp(placeholder + 1, "red")) {
+ strbuf_addstr(sb, GIT_COLOR_RED);
+ return 4;
+ } else if (!prefixcmp(placeholder + 1, "green")) {
+ strbuf_addstr(sb, GIT_COLOR_GREEN);
+ return 6;
+ } else if (!prefixcmp(placeholder + 1, "blue")) {
+ strbuf_addstr(sb, GIT_COLOR_BLUE);
+ return 5;
+ } else if (!prefixcmp(placeholder + 1, "reset")) {
+ strbuf_addstr(sb, GIT_COLOR_RESET);
+ return 6;
+ } else
+ return 0;
+}
+