1 files changed, 10 insertions, 2 deletions
diff --git a/src/libstore/builtins.cc b/src/libstore/builtins.cc
index 25e2e7df30e7..2a4396308399 100644
--- a/src/libstore/builtins.cc
+++ b/src/libstore/builtins.cc
@@ -7,8 +7,16 @@ void builtinFetchurl(const BasicDerivation & drv)
 {
     auto url = drv.env.find("url");
     if (url == drv.env.end()) throw Error("attribute ‘url’ missing");
-    printMsg(lvlInfo, format("downloading ‘%1%’...") % url->second);
-    auto data = downloadFile(url->second); // FIXME: show progress
+
+    /* No need to do TLS verification, because we check the hash of
+       the result anyway. */
+    DownloadOptions options;
+    options.verifyTLS = false;
+
+    /* Show a progress indicator, even though stderr is not a tty. */
+    options.forceProgress = true;
+
+    auto data = downloadFile(url->second, options);
 
     auto out = drv.env.find("out");
     if (out == drv.env.end()) throw Error("attribute ‘url’ missing");