feat: move to doas

modules/user.nix

@@ -27,7 +27,6 @@ lib.my.makeSwitch {
         description = userdesc;
         shell = pkgs.zsh;
         extraGroups = [
-          "wheel"
           username
         ];
         hashedPasswordFile = lib.mkDefault config.sops.secrets.imxyy-nix-hashed-password.path;
@@ -36,16 +35,64 @@ lib.my.makeSwitch {
     };
     users.users.root.hashedPasswordFile = lib.mkDefault config.sops.secrets.imxyy-nix-hashed-password.path;
 
-    security.sudo.extraRules = [
+    security.doas = {
-      {
+      enable = true;
-        users = [ username ];
+      extraRules = [
-        commands = [
+        {
-          {
+          users = [ username ];
-            command = "ALL";
+          noPass = true;
-            options = [ "NOPASSWD" ];
+        }
-          }
+      ];
-        ];
+    };
-      }
+    environment.shellAliases = {
+      sudo = "doas";
+      sudoedit = "doasedit";
+    };
+    environment.systemPackages = [
+      (pkgs.writeShellScriptBin "doasedit" ''
+        if [ -n "''${2}" ]; then
+          printf 'Expected only one argument\n'
+          exit 1
+        elif [ -z "''${1}" ]; then
+          printf 'No file path provided\n'
+          exit 1
+        elif [ "$(id -u)" -eq 0 ]; then
+          printf 'Cannot be run as root\n'
+          exit 1
+        fi
+
+        set -eu
+
+        tempdir="$(mktemp -d)"
+
+        trap 'rm -rf $tempdir' EXIT
+        srcfile="$(doas realpath "$1")"
+
+        if doas [ -f "$srcfile" ]; then
+          doas cp -a "$srcfile" "$tempdir"/file
+          doas cp -a "$tempdir"/file "$tempdir"/edit
+
+          # make sure that the file is editable by user
+          doas chown "$USER":"$USER" "$tempdir"/edit
+          chmod 600 "$tempdir"/edit
+        else
+          # create file with "regular" system permissions (root:root 644)
+          touch "$tempdir"/file
+          doas chown root:root "$tempdir"/file
+        fi
+
+        $EDITOR "$tempdir"/edit
+
+        doas tee "$tempdir"/file 1>/dev/null < "$tempdir"/edit
+
+        if doas cmp -s "$tempdir/file" "$srcfile"; then
+          printf 'Skipping write; no changes.\n'
+          exit 0
+        else
+          doas mv -f "$tempdir"/file "$srcfile"
+          exit 0
+        fi
+      '')
     ];
 
     nix.settings.trusted-users = [