From 0d047d3e46472d0bab64144cbc03d66a320566a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Geoffrey=20=E2=80=9CFrogeye=E2=80=9D=20Preud=27homme?=
 <geoffrey@frogeye.fr>
Date: Mon, 17 Jun 2024 18:21:09 +0200
Subject: [PATCH] update-local-flakes: Make available as package

If extensions have their lock file updated in some cases,
running .#updateLocalFlakes will not work.
---
 common/update-local-flakes/default.nix                |  2 ++
 common/update-local-flakes/overlay.nix                |  3 +++
 .../{ => update-local-flakes}/update-local-flakes.py  |  0
 flake.nix                                             | 11 ++++++++---
 hm/rebuild/default.nix                                |  8 ++++----
 5 files changed, 17 insertions(+), 7 deletions(-)
 create mode 100644 common/update-local-flakes/default.nix
 create mode 100644 common/update-local-flakes/overlay.nix
 rename common/{ => update-local-flakes}/update-local-flakes.py (100%)

diff --git a/common/update-local-flakes/default.nix b/common/update-local-flakes/default.nix
new file mode 100644
index 0000000..42ae4d8
--- /dev/null
+++ b/common/update-local-flakes/default.nix
@@ -0,0 +1,2 @@
+{ pkgs, ... }:
+pkgs.writers.writePython3Bin "update-local-flakes" {} (builtins.readFile ./update-local-flakes.py)
diff --git a/common/update-local-flakes/overlay.nix b/common/update-local-flakes/overlay.nix
new file mode 100644
index 0000000..0c9b545
--- /dev/null
+++ b/common/update-local-flakes/overlay.nix
@@ -0,0 +1,3 @@
+(self: super: {
+  update-local-flakes = super.callPackage ./. {};
+})
diff --git a/common/update-local-flakes.py b/common/update-local-flakes/update-local-flakes.py
similarity index 100%
rename from common/update-local-flakes.py
rename to common/update-local-flakes/update-local-flakes.py
diff --git a/flake.nix b/flake.nix
index 112b99b..2dfdffb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -42,6 +42,9 @@
         config = {
           allowUnfree = true;
         };
+        overlays = [
+          (import ./common/update-local-flakes/overlay.nix)
+        ];
       };
       homeManagerConfig = {
         sharedModules = [ self.homeManagerModules.dotfiles ];
@@ -72,7 +75,9 @@
         };
         flakeTools = { self }: flake-utils.lib.eachDefaultSystem (system:
           let
-            pkgs = nixpkgs.legacyPackages.${system};
+            pkgs = import nixpkgs (nixpkgsConfig // {
+              inherit system;
+            });
           in
           {
             apps = {
@@ -94,10 +99,10 @@
                   ${pkgs.lix}/bin/nix repl --expr 'let flake = builtins.getFlake "${self}"; in flake // flake.nixosConfigurations // rec { pkgs = import ${nixpkgs} {}; lib = pkgs.lib; }'
                 ''}";
               };
+              # Available globally should this be needed in times of shenanigans
               updateLocalFlakes = {
                 type = "app";
-                program = "${pkgs.writers.writePython3 "update-local-flakes" { }
-                (builtins.readFile ./common/update-local-flakes.py)}";
+                program = "${pkgs.update-local-flakes}/bin/update-local-flakes";
               };
               nixosRebuild = {
                 type = "app";
diff --git a/hm/rebuild/default.nix b/hm/rebuild/default.nix
index c5b8135..6100e01 100644
--- a/hm/rebuild/default.nix
+++ b/hm/rebuild/default.nix
@@ -1,6 +1,7 @@
 { pkgs, config, ... }:
 {
   home.packages = [
+    pkgs.update-local-flakes
     (pkgs.writeShellApplication {
       name = "rb";
       text = ''
@@ -13,21 +14,20 @@
         nixos_flake="$(readlink -f /etc/nixos)"
         if [ -f "$nixos_flake/flake.nix" ]
         then
-          # TODO For extensions this only works on systems where the flake has been resolved
-          nix run "$nixos_flake#updateLocalFlakes" -- "$nixos_flake"
+          update-local-flakes "$nixos_flake"
           nix run "$nixos_flake#nixosRebuild" -- "$verb" "$@"
         fi
         # TODO Fix nix-on-droid and home-manager
         # hm_flake="${config.xdg.configHome}/home-manager/flake.nix"
         # if [ -f "$hm_flake" ]
         # then
-        #   {ulf} "$hm_flake"
+        #   update-local-flakes "$hm_flake"
         #   home-manager "$verb" "$@"
         # fi
         # nod_flake="${config.xdg.configHome}/nix-on-droid/flake.nix"
         # if [ -f "$nod_flake" ]
         # then
-        #   {ulf} "$nod_flake"
+        #   update-local-flakes "$nod_flake"
         #   nix-on-droid "$verb" --flake "$(dirname "$nod_flake")" "$@"
         # fi
       '';