docs: use overrideAttrs instead of overrideDerivation

2016-10-30 14:34:40 -04:00
parent 3cb116f708
commit 3d99eea852
3 changed files with 18 additions and 19 deletions
@@ -356,14 +356,14 @@ https://nixos.org/nixpkgs/manual/#sec-modify-via-packageOverrides
        <programlisting><![CDATA[
 { pkgs ? import <nixpkgs> {} }:
 let
-  myEmacs = pkgs.lib.overrideDerivation (pkgs.emacs.override {
+  myEmacs = (pkgs.emacs.override {
    # Use gtk3 instead of the default gtk2
    withGTK3 = true;
    withGTK2 = false;
-  }) (attrs: {
+  }).overrideAttrs (attrs: {
    # I don't want emacs.desktop file because I only use
    # emacsclient.
-    postInstall = attrs.postInstall + ''
+    postInstall = (attrs.postInstall or "") + ''
      rm $out/share/applications/emacs.desktop
    '';
  });