modules: remove mu module in favor of env var

hosts/europa/default.nix

@@ -113,10 +113,6 @@ in {
     };
   };
 
-  muInit = {
-    enable = true;
-  };
-
   services = {
     pcscd.enable = true;
     vnstat.enable = true;
@@ -163,6 +159,7 @@ in {
     STEAM_EXTRA_COMPAT_TOOLS_PATHS =
       "\${HOME}/.steam/root/compatibilitytools.d";
     PATH = [ "\${XDG_BIN_HOME}" ];
+    MUHOME = "\${HOME}/.config/mu";
   };
 
   environment.systemPackages = with pkgs; [

modules/default.nix

@@ -1,2 +1,2 @@
-{ config, lib, pkgs, ... }: { imports = [ ./ssh-fido-agent.nix ./mu.nix ]; }
+{ config, lib, pkgs, ... }: { imports = [ ./ssh-fido-agent.nix ]; }
 

modules/mu.nix

@@ -1,60 +0,0 @@
-{ config, lib, pkgs, ... }:
-let
-  cfg = config.muInit;
-  mu = "${pkgs.mu}/bin/mu";
-  muInitScript = pkgs.writeScriptBin "mu-init-script" ''
-    #!${pkgs.runtimeShell}
-
-    set -eu
-
-    MU_HOME=~/.cache/mu
-
-    if [ "${cfg.muHome}" != "mudefault" ]; then
-      MU_HOME="${cfg.muHome}"
-    fi
-
-    while true; do
-      if [ ! -d $MU_HOME ]; then
-        echo "MU home directory missing: $MU_HOME. Creating it."
-        ${mu} init ${
-          if cfg.muHome != "mudefault" then "--muhome=${cfg.muHome}" else ""
-        } ${if cfg.mailDir != "" then "--maildir=${cfg.mailDir}" else ""} ${
-          if cfg.emailAddress != "" then
-            "--my-address=${cfg.emailAddress}"
-          else
-            ""
-        }
-      fi
-      sleep 5;
-    done
-  '';
-in {
-  options = with lib; {
-    muInit = {
-      enable = lib.mkEnableOption "Enable mu server";
-      muHome = lib.mkOption {
-        type = types.str;
-        default = "mudefault";
-      };
-      mailDir = lib.mkOption {
-        type = types.str;
-        default = "~/Maildir";
-      };
-      emailAddress = lib.mkOption {
-        type = types.str;
-        default = "";
-      };
-    };
-  };
-
-  config = lib.mkIf config.muInit.enable {
-    environment.systemPackages = [ muInitScript ];
-    systemd.user.services.mu-init = {
-      script = "${muInitScript}/bin/mu-init-script";
-      wantedBy = [ "graphical-session.target" ];
-      partOf = [ "graphical-session.target" ];
-      after = [ "graphical-session.target" ];
-      serviceConfig = { Restart = "on-failure"; };
-    };
-  };
-}