Add support for HEAD requests

[ps-cgit] / ui-shared.c

diff --git a/ui-shared.c b/ui-shared.c
index de77bbfadf86dd08e794145395ca1e20e1f63e9c..0dafc836736c1c8f165deb167c7b3a6f83302e0f 100644 (file)
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -456,6 +456,8 @@ 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.mimetype && ctx->page.charset)
                htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
                      ctx->page.charset);
@@ -468,7 +470,11 @@ 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)