From 976e2c2f6cbf2fd4b7ef95fec840c33a3d281e28 Mon Sep 17 00:00:00 2001
From: Sean Buckley <sean.bck@gmail.com>
Date: Mon, 11 Oct 2021 13:08:18 -0400
Subject: [PATCH] move powerline to module

---
 modules/cli/default.nix   | 16 ++++------------
 modules/cli/powerline.nix | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 12 deletions(-)
 create mode 100644 modules/cli/powerline.nix

diff --git a/modules/cli/default.nix b/modules/cli/default.nix
index 5804f2b..c08a81b 100644
--- a/modules/cli/default.nix
+++ b/modules/cli/default.nix
@@ -1,17 +1,14 @@
 { config, pkgs, lib, ... }:
 let
-  powerlineOpts = [
-    "-colorize-hostname"
-    "-cwd-mode=plain"
-    "-modules=user,host,cwd,nix-shell,git,jobs"
-    "-git-assume-unchanged-size 0"
-    "-jobs $(jobs -p | wc -l)"
-  ];
 
   system-rev = toString config.system.nixos.revision;
 
 in
 {
+  imports = [ ./powerline.nix ];
+
+  sconfig.powerline.enable = lib.mkDefault true;
+
   environment.systemPackages = with pkgs; [
     darkhttpd
     dnsutils
@@ -102,11 +99,6 @@ in
     alias p=python3
     alias catc='${pkgs.vimpager-latest}/bin/vimpager --force-passthrough'
     alias nix-env="echo nix-env is disabled #"
-
-    function _update_ps1() {
-        PS1="\n$(${pkgs.powerline-go}/bin/powerline-go ${lib.concatStringsSep " " powerlineOpts})$ "
-    }
-    [ "$TERM" = "linux" ] || PROMPT_COMMAND="_update_ps1; $PROMPT_COMMAND"
   '';
 
   programs.neovim = {
diff --git a/modules/cli/powerline.nix b/modules/cli/powerline.nix
new file mode 100644
index 0000000..49465f6
--- /dev/null
+++ b/modules/cli/powerline.nix
@@ -0,0 +1,36 @@
+{ config, pkgs, lib, ... }:
+let
+  cfg = config.sconfig.powerline;
+in
+{
+  options.sconfig.powerline =
+    {
+      enable = lib.mkOption {
+        type = lib.types.bool;
+        default = true;
+      };
+      args = lib.mkOption {
+        type = lib.types.listOf lib.types.str;
+        default = [
+          "-colorize-hostname"
+          "-cwd-mode=plain"
+          "-modules=user,host,cwd,nix-shell,git,jobs"
+          "-git-assume-unchanged-size 0"
+          "-jobs $(jobs -p | wc -l)"
+        ];
+      };
+    };
+
+  config = lib.mkIf cfg.enable {
+
+    environment.systemPackages = [ pkgs.powerline-go ];
+
+    programs.bash.interactiveShellInit = ''
+      function _update_ps1() {
+        PS1="\n$(powerline-go ${lib.concatStringsSep " " cfg.args})$ "
+      }
+      [ "$TERM" = "linux" ] || PROMPT_COMMAND="_update_ps1; $PROMPT_COMMAND"
+    '';
+
+  };
+}