From 95c6ee036831a098ec6a5398fc7406c514b15a35 Mon Sep 17 00:00:00 2001
From: Timothy DeHerrera <tim.deh@pm.me>
Date: Wed, 17 Feb 2021 14:15:43 -0700
Subject: [PATCH] nix: fix #126

* Update the readme to pull from cachix first, so users don't have to
  build nix.
* Pull `nixFlakes` from override for slightly newer ui, and consistency
  for users who change the nixos flake ref to something newer.
---
 doc/start/index.md     |  6 ++++--
 overlays/nixFlakes.nix | 14 +++++++++-----
 overrides/default.nix  |  1 +
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/doc/start/index.md b/doc/start/index.md
index 14745e7..3af0b3d 100644
--- a/doc/start/index.md
+++ b/doc/start/index.md
@@ -4,6 +4,8 @@ The only dependency is nix, so make sure you have it [installed][install-nix].
 ## Get the Template
 Here is a snippet that will get you the template without the git history:
 ```sh
+nix-shell -p cachix --run cachix use nrdxp
+
 nix-shell https://github.com/nrdxp/nixflk/archive/core.tar.gz -A shell \
   --run "flk get core"
 
@@ -14,8 +16,6 @@ nix-shell
 git init
 git add .
 git commit -m init
-
-cachix use nrdxp
 ```
 
 This will place you in a new folder named `flk` with git initialized, and a
@@ -29,6 +29,8 @@ In addition, the [binary cache](../../cachix) is added for faster deployment.
 >   in the call to `flk get`
 > - Flakes ignore files that have not been added to git, so be sure to stage new
 >   files before building the system.
+> - You can choose to simply clone the repo with git if you want to follow
+>   upstream changes.
 
 ## Next Steps:
 - [Make installable ISO](./iso.md)
diff --git a/overlays/nixFlakes.nix b/overlays/nixFlakes.nix
index f557f0c..54c8a0d 100644
--- a/overlays/nixFlakes.nix
+++ b/overlays/nixFlakes.nix
@@ -1,8 +1,12 @@
 final: prev: {
   nixFlakes = prev.nixFlakes.overrideAttrs
-    (self: {
-      patches = [
-        ../pkgs/tools/package-management/nix/0001-nix-command-and-flakes-by-default.patch
-      ];
-    });
+    (self:
+      let
+        oldPatches = self.patches or [ ];
+      in
+      {
+        patches = oldPatches ++ [
+          ../pkgs/tools/package-management/nix/0001-nix-command-and-flakes-by-default.patch
+        ];
+      });
 }
diff --git a/overrides/default.nix b/overrides/default.nix
index c243297..47a5a23 100644
--- a/overrides/default.nix
+++ b/overrides/default.nix
@@ -14,6 +14,7 @@
       element-desktop
       manix
       nixpkgs-fmt
+      nixFlakes
       qutebrowser
       signal-desktop
       starship;