Improve version sub-cmd output

default.nix

@@ -28,7 +28,7 @@ in rec {
     buildInputs = [ pkgs.git pkgs.go ];
 
     src = ./.;
-    inherit bootstrap releaseName;
+    inherit releaseName;
     nixPkgsVersion = pkgsAttrs.version;
     nixPkgsRev = pkgsAttrs.rev;
     builtByUser = builtins.getEnv "USER";
@@ -40,15 +40,10 @@ in rec {
 
       cp -r "$src" srcCp
 
-      if [ "$bootstrap" != "" ]; then
-        hostName=$(tar -xzf "$bootstrap" --to-stdout ./hostname)
-        echo "Built for host:  $hostName" >> "$versionFile"
-      fi
-
       echo "Release:         $releaseName" >> "$versionFile"
+      echo "Git Revision:    $(cd srcCp && git rev-parse HEAD)" >> "$versionFile"
       echo "Build date:      $(date) ($(date +%s))" >> "$versionFile"
       echo "Built by:        $builtByUser" >> "$versionFile"
-      echo "Git rev:         $(cd srcCp && git describe --always --long --dirty=' (dirty)')" >> "$versionFile"
       echo "Go version:      $(go version)" >> "$versionFile"
       echo "Nixpkgs version: $nixPkgsVersion ($nixPkgsRev)" >> "$versionFile"