feat: add permissions fix

- make /etc/nixos writable

flake.nix

@@ -31,7 +31,7 @@
           initialConfig = {
             wsl.enable = true;
 
-            programs.bash.loginShellInit = "nixos-wsl-welcome";
+            programs.bash.loginShellInit = "nixos-wsl-permissions-fix && nixos-wsl-welcome";
           };
         in
         {

modules/build-tarball.nix

@@ -84,7 +84,6 @@ in
         '' else ''
           mkdir -p "$root/etc/nixos"
           cp -R ${lib.cleanSource cfg.configPath}/. "$root/etc/nixos"
-          chmod -R u+w "$root/etc/nixos"
         ''}
 
         echo "[NixOS-WSL] Compressing..."

modules/default.nix

@@ -10,6 +10,7 @@
     ./welcome.nix
     ./wsl-conf.nix
     ./wsl-distro.nix
+    ./permissions-fix.nix
 
     (lib.mkRemovedOptionModule [ "wsl" "docker-native" ]
       "Additional workarounds are no longer required for Docker to work. Please use the standard `virtualisation.docker` NixOS options.")

modules/permissions-fix.nix

@@ -0,0 +1,13 @@
+{ lib, pkgs, config, ... }:
+let
+permissions-fix = pkgs.writeShellScriptBin "nixos-wsl-permissions-fix"
+  ''
+    echo -e "[NixOS-WSL] Making /etc/nixos writable to current user...\n"
+    sudo setfacl -R -m u:nixos:rwx /etc/nixos
+    '';
+in
+{
+  config = lib.mkIf config.wsl.enable {
+    environment.systemPackages = [ permissions-fix ];
+  };
+}