Set writable bit for default config

modules/environment/login/login-inner.nix

@@ -39,7 +39,8 @@ writeText "login-inner" ''
 
     echo "Copy default nix-on-droid config..."
     ${coreutils}/bin/mkdir --parents $HOME/.config/nixpkgs
-    ${coreutils}/bin/cp /etc/nix-on-droid.nix.default $HOME/.config/nixpkgs/nix-on-droid.nix
+    ${coreutils}/bin/cp ${./nix-on-droid.nix.default} $HOME/.config/nixpkgs/nix-on-droid.nix
+    ${coreutils}/bin/chmod u+w $HOME/.config/nixpkgs/nix-on-droid.nix
 
     echo "Installing first nix-on-droid generation..."
     ${nix}/bin/nix build --no-link --file "<nix-on-droid>" nix-on-droid

modules/environment/login/nix-on-droid.nix.default

@@ -0,0 +1,44 @@
+{ pkgs, ... }:
+
+{
+  # Simply install just the packages
+  environment.packages = with pkgs; [
+    # User-facing stuff that you really really want to have
+    vim  # or some other editor, e.g. nano or neovim
+
+    # Some common stuff that people expect to have
+    #diffutils
+    #findutils
+    #utillinux
+    #tzdata
+    #hostname
+    #man
+    #gnugrep
+    #gnupg
+    #gnused
+    #gnutar
+    #bzip2
+    #gzip
+    #xz
+    #zip
+    #unzip
+  ];
+
+  # Backup etc files instead of failing to activate generation if a file already exists in /etc
+  environment.etcBackupExtension = ".bak";
+
+  # Read the changelog before changing this value
+  system.stateVersion = "19.09";
+
+  # After installing home-manager channel like
+  #   nix-channel --add https://github.com/rycee/home-manager/archive/master.tar.gz home-manager
+  #   nix-channel --update
+  # you can configure home-manager in here like
+  #home-manager.config =
+  #  { pkgs, ... }:
+  #  {
+  #    # insert home-manager config
+  #  };
+}
+
+# vim: ft=nix