Add support for "robots" meta-tag

With this change, cgit will start to generate the "robots" meta-tag, using
a default value of "index, nofollow".

The default value can be modified with a new cgitrc variable, "robots".

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 file changed, 2 insertions, 0 deletions

diff --git a/ui-shared.c b/ui-shared.c
index 5192800..2f771da 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -364,6 +364,8 @@ void cgit_print_docstart(char *title, struct cacheitem *item)
 	html_txt(title);
 	html("</title>\n");
 	htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
+	if (cgit_robots && *cgit_robots)
+		htmlf("<meta name='robots' content='%s'/>\n", cgit_robots);
 	html("<link rel='stylesheet' type='text/css' href='");
 	html_attr(cgit_css);
 	html("'/>\n");