ui-shared: add rel-vcs microformat links to HTML header

As described at https://joeyh.name/rfc/rel-vcs/.

Signed-off-by: John Keeping <john@keeping.me.uk>

1 files changed, 11 insertions, 0 deletions

diff --git a/ui-shared.c b/ui-shared.c
index 4e317d0..cd97ffb 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -660,6 +660,15 @@ void cgit_print_http_headers(void)
                 exit(0);
 }
 
+static void print_rel_vcs_link(const char *url)
+{
+        html("<link rel='vcs-git' href='");
+        html_attr(url);
+        html("' title='");
+        html_attr(ctx.repo->name);
+        html(" Git repository'/>\n");
+}
+
 void cgit_print_docstart(void)
 {
         if (ctx.cfg.embedded) {
@@ -698,6 +707,8 @@ void cgit_print_docstart(void)
                 html("' type='application/atom+xml'/>\n");
                 strbuf_release(&sb);
         }
+        if (ctx.repo)
+                cgit_add_clone_urls(print_rel_vcs_link);
         if (ctx.cfg.head_include)
                 html_include(ctx.cfg.head_include);
         html("</head>\n");