From 9fe637af17c8e284796d1bf065493fa2128f167f Mon Sep 17 00:00:00 2001
From: janabhumi <dmitriy@ideascup.me>
Date: Wed, 31 Aug 2022 13:23:54 +0300
Subject: [PATCH] home: install direnv

---
 .envrc                          | 1 +
 .gitignore                      | 2 ++
 home/home.nix                   | 5 +++++
 system/configuration.nix        | 7 +++++++
 system/machine/home/default.nix | 2 +-
 5 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 .envrc

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..1d953f4
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use nix
diff --git a/.gitignore b/.gitignore
index e410d2a..0bbcc4b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
+.direnv/
+
 /wallpapers/*.jpg
 
diff --git a/home/home.nix b/home/home.nix
index 64fe90b..708bd3d 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -93,6 +93,11 @@ in
     zoxide.enable = true;
   };
 
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+  };
+
   accounts = {
     email = {
       accounts = secrets.emailAccounts;
diff --git a/system/configuration.nix b/system/configuration.nix
index 78b4a3a..6a938cd 100644
--- a/system/configuration.nix
+++ b/system/configuration.nix
@@ -120,6 +120,13 @@ in
       options = "--delete-older-than 7d";
     };
 
+    # To protect nix-shell against garbage collection
+    # Source: https://github.com/nix-community/nix-direnv#installation
+    extraOptions = ''
+      keep-outputs = true
+      keep-derivations = true
+    '';
+
     settings = {
       auto-optimise-store = true;
 
diff --git a/system/machine/home/default.nix b/system/machine/home/default.nix
index 8b2e4b6..519b264 100644
--- a/system/machine/home/default.nix
+++ b/system/machine/home/default.nix
@@ -35,7 +35,7 @@ in
 
   services.xserver = {
     # All monitors in the right order
-    # See: https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/services/x11/xserver.nix#L83
+    # Source: https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/services/x11/xserver.nix#L83
     xrandrHeads = [
       {
         output = "HDMI-A-0";