qbec: add ldflags

pkgs/applications/networking/cluster/qbec/default.nix

@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub }:
+{ lib, go, buildGoModule, fetchFromGitHub }:
 
 buildGoModule rec {
   pname = "qbec";
@@ -13,10 +13,18 @@ buildGoModule rec {
 
   vendorSha256 = "15hbjghi2ifylg7nr85qlk0alsy97h9zj6hf5w84m76dla2bcjf3";
 
+  buildFlagsArray = ''
+    -ldflags=
+      -s -w
+      -X github.com/splunk/qbec/internal/commands.version=${version}
+      -X github.com/splunk/qbec/internal/commands.commit=${src.rev}
+      -X github.com/splunk/qbec/internal/commands.goVersion=${lib.getVersion go}
+  '';
+
   meta = with lib; {
     description = "Configure kubernetes objects on multiple clusters using jsonnet https://qbec.io";
     homepage = "https://github.com/splunk/qbec";
     license = licenses.asl20;
     maintainers = with maintainers; [ groodt ];
   };
-}
+}