nix refactor

powerline/default.nix

@@ -0,0 +1,14 @@
+{ config, pkgs, ... }:
+
+{
+  programs.powerline-go = {
+    enable = true;
+    modules = [
+      "host"
+      "cwd"
+      "git"
+      "docker"
+      "venv"
+    ];
+  };
+}