tv modules: add per-user

tv/3modules/default.nix

@@ -5,5 +5,6 @@ _:
     ./consul.nix
     ./ejabberd.nix
     ./iptables.nix
+    ./per-user.nix
   ];
 }

tv/3modules/per-user.nix

@@ -0,0 +1,35 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.tv.per-user;
+
+  out = {
+    options.tv.per-user = api;
+    config = imp;
+  };
+
+  api = mkOption {
+    type = with types; attrsOf (submodule {
+      options = {
+        packages = mkOption {
+          type = listOf path;
+          default = [];
+        };
+      };
+    });
+    default = {};
+  };
+
+  imp = {
+    environment = {
+      etc = flip mapAttrs' cfg (name: { packages, ... }: {
+        name = "per-user/${name}";
+        value.source = pkgs.symlinkJoin "per-user.${name}" packages;
+      });
+      profiles = ["/etc/per-user/$LOGNAME"];
+    };
+  };
+
+in out