alacritty: cleanup

modules/alacritty.nix

@@ -1,26 +1,38 @@
-{ config, pkgs, lib, ... }:
+{ config, lib, pkgs, ... }:
+
+# alacritty.yml is needed in both <current-system>/sw/etc/ and /etc/, or
+# it won't work correctly in some environments (at least plasma+wayland)
+# That's why it's in systemPackages AND environment.etc.
+# (November 2021)
+
 let
   cfg = config.sconfig.alacritty;
+
+  configText = builtins.toJSON
+    {
+      env.TERM = "xterm-256color";
+      key_bindings = [
+        { action = "ScrollHalfPageDown"; mods = "Shift"; key = "PageDown"; }
+        { action = "ScrollHalfPageUp"; mods = "Shift"; key = "PageUp"; }
+        { action = "SpawnNewInstance"; mods = "Control|Shift"; key = "N"; }
+        { action = "SpawnNewInstance"; mods = "Control|Shift"; key = "T"; }
+      ];
+    };
+
 in
 {
   options.sconfig.alacritty.enable = lib.mkEnableOption "Enable Alacritty";
 
   config = lib.mkIf cfg.enable {
 
+    environment.etc."xdg/alacritty.yml".text = configText;
+
     environment.systemPackages = [
       pkgs.alacritty
       (pkgs.writeTextFile {
         name = "alacritty.yml";
         destination = "/etc/xdg/alacritty.yml";
-        text = ''
+        text = configText;
-          env:
-            TERM: xterm-256color
-          key_bindings:
-          - { key: N, mods: Control|Shift, action: SpawnNewInstance }
-          - { key: T, mods: Control|Shift, action: SpawnNewInstance }
-          - { key: PageUp,   mods: Shift, action: ScrollHalfPageUp }
-          - { key: PageDown, mods: Shift, action: ScrollHalfPageDown }
-        '';
       })
     ];
 
@@ -30,9 +42,5 @@ in
       }
       [ -z "$VTE_VERSION" ] && PROMPT_COMMAND="_set_title; $PROMPT_COMMAND"
     '';
-
-    environment.etc."xdg/alacritty.yml".source =
-      "/run/current-system/sw/etc/xdg/alacritty.yml";
-
   };
 }