tv: add Xresources module

2 files changed, 40 insertions, 0 deletions

diff --git a/tv/3modules/Xresources.nix b/tv/3modules/Xresources.nix
new file mode 100644
index 000000000..983b8bc2e
--- /dev/null
+++ b/tv/3modules/Xresources.nix
@@ -0,0 +1,39 @@
+with import <stockholm/lib>;
+{ config, pkgs, ... }: let
+  cfg = {
+    enable = config.tv.Xresources != {};
+    user = config.krebs.build.user;
+  };
+in {
+  options.tv.Xresources = mkOption {
+    default = {};
+    type = types.attrsOf types.str;
+  };
+  config = {
+    nixpkgs.overlays = singleton (self: super: {
+      tv = super.tv or {} // {
+        Xresources =
+          self.writeText "Xresources"
+            (concatStrings (mapAttrsToList (name: value: /* xdefaults */ ''
+              ${name}: ${value}
+            '') config.tv.Xresources));
+      };
+    });
+    systemd.services.${if cfg.enable then "Xresources" else null} = {
+      wantedBy = [ "graphical.target" ];
+      after = [ "xserver.service" ];
+      requires = [ "xserver.service" ];
+      environment = {
+        DISPLAY = ":${toString config.services.xserver.display}";
+      };
+      serviceConfig = {
+        ExecStart = "${pkgs.xorg.xrdb}/bin/xrdb ${pkgs.tv.Xresources}";
+        RemainAfterExit = true;
+        SyslogIdentifier = "Xresources";
+        Type = "oneshot";
+        User = cfg.user.name;
+        WorkingDirectory = cfg.user.home;
+      };
+    };
+  };
+}
diff --git a/tv/3modules/default.nix b/tv/3modules/default.nix
index 67fb3f650..edaf50f03 100644
--- a/tv/3modules/default.nix
+++ b/tv/3modules/default.nix
@@ -7,5 +7,6 @@
     ./iptables.nix
     ./slock.nix
     ./x0vncserver.nix
+    ./Xresources.nix
   ];
 }