Merge branch 'do/https'

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

ui-atom.c

@@ -52,7 +52,8 @@ void add_entry(struct commit *commit, char *host)
 	cgit_print_date(info->author_date, FMT_ATOMDATE, ctx.cfg.local_time);
 	html("</published>\n");
 	if (host) {
-		html("<link rel='alternate' type='text/html' href='http://");
+		html("<link rel='alternate' type='text/html' href='");
+		html(cgit_httpscheme());
 		html_attr(host);
 		html_attr(cgit_pageurl(ctx.repo->url, "commit", NULL));
 		if (ctx.cfg.virtual_root)
@@ -113,7 +114,8 @@ void cgit_print_atom(char *tip, char *path, int max_count)
 	html_txt(ctx.repo->desc);
 	html("</subtitle>\n");
 	if (host) {
-		html("<link rel='alternate' type='text/html' href='http://");
+		html("<link rel='alternate' type='text/html' href='");
+		html(cgit_httpscheme());
 		html_attr(host);
 		html_attr(cgit_repourl(ctx.repo->url));
 		html("'/>\n");

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)));

ui-shared.h

@@ -1,6 +1,7 @@
 #ifndef UI_SHARED_H
 #define UI_SHARED_H
 
+extern char *cgit_httpscheme();
 extern char *cgit_hosturl();
 extern char *cgit_repourl(const char *reponame);
 extern char *cgit_fileurl(const char *reponame, const char *pagename,