From 93f4e0377caa800cb6514083f13eec51a2822846 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Tue, 18 Feb 2020 11:43:59 +0100
Subject: Replace lorri with custom persistent-nix-shell

Lorri has shown itself to be rather unstable for my particular use case:

* It is unclear when derivations are actually rebuilt
* Polling did not seem consistent, i.e. I had to issue manual `ping_` calls
* I do not want to issue manual `lorri watch` calls to fix this
* It sporadically started building GC roots without any clear reason for doing so

In the end all I really want is a way to prevent nix-shells from being
garbage-collected. In this scenario using lorri is overkill.

`persistent-nix-shell` is a simple wrapper around `nix-shell` that adds
GC roots prior to entering the environment.
---
 home.nix | 22 ++++++----------------
 1 file changed, 6 insertions(+), 16 deletions(-)

diff --git a/home.nix b/home.nix
index 19ac0e8..2ec9dfb 100644
--- a/home.nix
+++ b/home.nix
@@ -1,7 +1,7 @@
 { config, pkgs, ... }:
 
 {
-  custom.pkgs = import ~/projects/dev/pkgs/default.nix { };
+  custom.pkgs = import <mypkgs> { };
   custom.nixpkgs-unstable = import <nixpkgs-unstable> { };
 
   imports = [
@@ -17,8 +17,9 @@
   home = {
     keyboard.layout = "de";
 
-    packages = with pkgs; [
-      pass
+    packages = [
+      pkgs.pass
+      config.custom.pkgs.persistent-nix-shell
     ];
   };
 
@@ -61,18 +62,7 @@
   };
 
   programs.fish.shellAliases = {
-    ns  = "nix-shell --command fish";
-    cat = "bat";
+    ns  = "persistent-nix-shell --command fish";
+    cat = "bat --plain";
   };
-
-  services.lorri.enable = true;
-
-  programs.direnv = {
-    enable = true;
-    enableFishIntegration = true;
-  };
-
-  programs.fish.interactiveShellInit = ''
-    set -x DIRENV_LOG_FORMAT ""
-  '';
 }
-- 
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