set up treefmt action

.github/workflows/build_systems.yml

@@ -20,6 +20,4 @@ jobs:
       - name: Build default package
         run: "nixos-rebuild build --flake ./#${{ matrix.system }}"
       - name: copy to nix-cache
-        env:
-          NIX_SSHOPTS: "-vvvv"
         run: nix copy --to ssh://jeeves .#nixosConfigurations.${{ matrix.system }}.config.system.build.toplevel

.github/workflows/treefmt.yml

@@ -0,0 +1,15 @@
+name: build_systems
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    name: nix fmt
+    runs-on: self-hosted
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build default package
+        run: "treefmt --ci"

.vscode/settings.json

@@ -241,6 +241,7 @@
     "topsites",
     "topstories",
     "torrenting",
+    "treefmt",
     "twimg",
     "uaccess",
     "ublock",

systems/jeeves/runners/nix_builder.nix

@@ -79,8 +79,10 @@ in
             user = "github-runners";
             group = "github-runners";
             extraPackages = with pkgs; [
+              nixfmt-rfc-style
               nixos-rebuild
               openssh
+              treefmt
             ];
           };
           users = {

users/richie/home/programs.nix

@@ -51,6 +51,7 @@
     nix-prefetch
     nix-tree
     nixfmt-rfc-style
+    treefmt
     inputs.system_tools.packages.x86_64-linux.default
   ];
 }