Merge branch 'do/https'

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

ui-shared.c

@@ -34,6 +34,17 @@ void cgit_print_error(char *msg)
 	html("</div>\n");
 }
 
+char *cgit_httpscheme()
+{
+	char *https;
+
+	https = getenv("HTTPS");
+	if (https != NULL && strcmp(https, "on") == 0)
+		return "https://";
+	else
+		return "http://";
+}
+
 char *cgit_hosturl()
 {
 	char *host, *port;
@@ -494,7 +505,8 @@ void cgit_print_docstart(struct cgit_context *ctx)
 		html("'/>\n");
 	}
 	if (host && ctx->repo) {
-		html("<link rel='alternate' title='Atom feed' href='http://");
+		html("<link rel='alternate' title='Atom feed' href='");
+		html(cgit_httpscheme());
 		html_attr(cgit_hosturl());
 		html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
 				       fmt("h=%s", ctx->qry.head)));