X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/e429fb0cca1e8c78da0ec38fe578bafdeec65534..681fdc45473143de3f3c5f69fbc7b94f5d6b0b75:/ui-shared.c?ds=inline

diff --git a/ui-shared.c b/ui-shared.c
index 2630f23..10be3c0 100644
--- a/ui-shared.c
+++ b/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;
@@ -456,6 +467,8 @@ void cgit_print_age(time_t t, time_t max_relative, char *format)
 
 void cgit_print_http_headers(struct cgit_context *ctx)
 {
+	const char *method = getenv("REQUEST_METHOD");
+
 	if (ctx->page.status)
 		htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg);
 	if (ctx->page.mimetype && ctx->page.charset)
@@ -470,7 +483,11 @@ void cgit_print_http_headers(struct cgit_context *ctx)
 		      ctx->page.filename);
 	htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
 	htmlf("Expires: %s\n", http_date(ctx->page.expires));
+	if (ctx->page.etag)
+		htmlf("ETag: \"%s\"\n", ctx->page.etag);
 	html("\n");
+	if (method && !strcmp(method, "HEAD"))
+		exit(0);
 }
 
 void cgit_print_docstart(struct cgit_context *ctx)
@@ -494,7 +511,8 @@ 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)));