[WIP] Add Github Actions build job

.git-blame-ignore-revs

@@ -0,0 +1 @@
+f1c6a4f3645f7f03a576a9c4c40119c4eeb138e3

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: Pull Request
+on:
+  pull_request:
+    branches:
+      - main
+concurrency:
+  group: ${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+permissions: read-all
+jobs:
+  nix-check:
+    name: Nix Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - run: nix flake check
+  nix-build:
+    name: Nix Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - run: |
+          nix build .#nixosConfigurations.iso.config.system.build.isoImage
+          sha256sum result/iso/cd.iso

README.md

@@ -178,3 +178,11 @@ and then use the `x1e-nixos-config.nixosModules.x1e` module.
 ### Usage without flakes
 
 You should be able to import [`default.nix`](/default.nix) and reference the module as its `nixosModules.x1e` attribute.
+
+## Contributing
+
+### Code formatting
+
+All Nix code in the repository is formatted using [nixfmt](https://github.com/NixOS/nixfmt).
+
+Use the `nix fmt` command to format all files before committing your changes.

default.nix

@@ -1,26 +1,28 @@
 {
-  nixosModules.x1e = { lib, pkgs, ... }: {
-    imports = [
-      ./modules/x1e80100.nix
-      ./modules/pd-mapper.nix
-    ];
-    config = {
-      nixpkgs.overlays = [
-        (import ./packages/overlay.nix)
-        (final: prev: {
-          sway-unwrapped = prev.sway-unwrapped.overrideAttrs (old: {
-            patches = old.patches ++ [
-              # https://github.com/swaywm/sway/pull/8469
-              (pkgs.fetchpatch {
-                url = "https://github.com/swaywm/sway/commit/eee930a4a0d3bf0de2235661227bf1a827edd320.patch";
-                hash = "sha256-1aiU4GM/OTqhJElvMecGgNbpuGbVLyhkjwC91K/eMsU=";
-              })
-            ];
-          });
-        })
+  nixosModules.x1e =
+    { lib, pkgs, ... }:
+    {
+      imports = [
+        ./modules/x1e80100.nix
+        ./modules/pd-mapper.nix
       ];
+      config = {
+        nixpkgs.overlays = [
+          (import ./packages/overlay.nix)
+          (final: prev: {
+            sway-unwrapped = prev.sway-unwrapped.overrideAttrs (old: {
+              patches = old.patches ++ [
+                # https://github.com/swaywm/sway/pull/8469
+                (pkgs.fetchpatch {
+                  url = "https://github.com/swaywm/sway/commit/eee930a4a0d3bf0de2235661227bf1a827edd320.patch";
+                  hash = "sha256-1aiU4GM/OTqhJElvMecGgNbpuGbVLyhkjwC91K/eMsU=";
+                })
+              ];
+            });
+          })
+        ];
 
-      hardware.deviceTree.name = lib.mkDefault "qcom/x1e80100-lenovo-yoga-slim7x.dtb";
+        hardware.deviceTree.name = lib.mkDefault "qcom/x1e80100-lenovo-yoga-slim7x.dtb";
+      };
     };
-  };
 }

examples/flake-based-config/configuration.nix

@@ -37,7 +37,10 @@
     isNormalUser = true;
     # Default password, should be changed using `passwd` after first login.
     password = "nixos";
-    extraGroups = [ "wheel" "networkmanager" ];
+    extraGroups = [
+      "wheel"
+      "networkmanager"
+    ];
   };
 
   security.sudo.wheelNeedsPassword = false;

examples/flake-based-config/flake.nix

@@ -7,27 +7,36 @@
     x1e-nixos-config.url = "github:kuruczgy/x1e-nixos-config";
     x1e-nixos-config.inputs.nixpkgs.follows = "nixpkgs";
   };
-  outputs = { self, nixpkgs, x1e-nixos-config }: {
-    # Change "system" to your chosen hostname here:
-    nixosConfigurations.system = nixpkgs.lib.nixosSystem {
-      modules = [
-        x1e-nixos-config.nixosModules.x1e
-        {
-          networking.hostName = "system";
-          hardware.deviceTree.name = "qcom/x1e80100-lenovo-yoga-slim7x.dtb";
+  outputs =
+    {
+      self,
+      nixpkgs,
+      x1e-nixos-config,
+    }:
+    {
+      # Change "system" to your chosen hostname here:
+      nixosConfigurations.system = nixpkgs.lib.nixosSystem {
+        modules = [
+          x1e-nixos-config.nixosModules.x1e
+          {
+            networking.hostName = "system";
+            hardware.deviceTree.name = "qcom/x1e80100-lenovo-yoga-slim7x.dtb";
 
-          nixpkgs.hostPlatform.system = "aarch64-linux";
+            nixpkgs.hostPlatform.system = "aarch64-linux";
 
-          # Uncomment this to allow unfree packages.
-          # nixpkgs.config.allowUnfree = true;
+            # Uncomment this to allow unfree packages.
+            # nixpkgs.config.allowUnfree = true;
 
-          nix = {
-            channel.enable = false;
-            settings.experimental-features = [ "nix-command" "flakes" ];
-          };
-        }
-        ./configuration.nix
-      ];
+            nix = {
+              channel.enable = false;
+              settings.experimental-features = [
+                "nix-command"
+                "flakes"
+              ];
+            };
+          }
+          ./configuration.nix
+        ];
+      };
     };
-  };
 }

flake.nix

@@ -1,8 +1,15 @@
 {
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+    treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
   };
-  outputs = { self, nixpkgs }:
+  outputs =
+    {
+      self,
+      nixpkgs,
+      treefmt-nix,
+    }:
     let
       # Modify this if you are building on something other than x86_64-linux.
       buildSystem = "x86_64-linux";
@@ -13,14 +20,18 @@
       deviceTreeName = "qcom/x1e80100-lenovo-yoga-slim7x.dtb";
 
       nixpkgs-patched =
-        let pkgs-unpatched = nixpkgs.legacyPackages.${buildSystem}; in (pkgs-unpatched.applyPatches {
+        let
+          pkgs-unpatched = nixpkgs.legacyPackages.${buildSystem};
+        in
+        (pkgs-unpatched.applyPatches {
           name = "nixpkgs-patched";
           src = nixpkgs;
           patches = [
             ./nixpkgs-devicetree.patch
             ./nixpkgs-efi-shell.patch
           ];
-        }).overrideAttrs { allowSubstitutes = true; };
+        }).overrideAttrs
+          { allowSubstitutes = true; };
 
       pkgs-cross = import nixpkgs-patched {
         overlays = [ (import ./packages/overlay.nix) ];
@@ -29,7 +40,8 @@
         allowUnsupportedSystem = true;
       };
     in
-    (import ./default.nix) // {
+    (import ./default.nix)
+    // {
       nixosConfigurations = {
         iso = nixpkgs.lib.nixosSystem {
           modules = [
@@ -51,16 +63,40 @@
             ./examples/flake-based-config/configuration.nix
             self.nixosModules.x1e
             ./modules/common.nix
-            ({ lib, ... }: {
-              nixpkgs.pkgs = nixpkgs.legacyPackages.aarch64-linux;
-              hardware.deviceTree.name = deviceTreeName;
+            (
+              { lib, ... }:
+              {
+                nixpkgs.pkgs = nixpkgs.legacyPackages.aarch64-linux;
+                hardware.deviceTree.name = deviceTreeName;
 
-              # Copy the cross-compiled kernel from the install ISO. Remove
-              # this if you want to natively compile the kernel on your device.
-              boot.kernelPackages = lib.mkForce pkgs-cross.x1e80100-linux;
-            })
+                # Copy the cross-compiled kernel from the install ISO. Remove
+                # this if you want to natively compile the kernel on your device.
+                boot.kernelPackages = lib.mkForce pkgs-cross.x1e80100-linux;
+              }
+            )
           ];
         };
       };
-    };
+    }
+    // (
+      let
+        eachSystem = nixpkgs.lib.genAttrs [
+          "x86_64-linux"
+          "aarch64-linux"
+        ];
+        treefmtEval = eachSystem (
+          system:
+          (treefmt-nix.lib.evalModule nixpkgs.legacyPackages.${system} {
+            programs.nixfmt.enable = true;
+            settings.on-unmatched = "info";
+          })
+        );
+      in
+      {
+        formatter = eachSystem (system: treefmtEval.${system}.config.build.wrapper);
+        checks = eachSystem (system: {
+          treefmt = treefmtEval.${system}.config.build.check self;
+        });
+      }
+    );
 }

iso.nix

@@ -10,8 +10,14 @@
 
   # Add this repo to the flake registry.
   nix.registry.x1e-nixos-config = {
-    from = { type = "indirect"; id = "x1e-nixos-config"; };
-    to = { type = "path"; path = ./.; };
+    from = {
+      type = "indirect";
+      id = "x1e-nixos-config";
+    };
+    to = {
+      type = "path";
+      path = ./.;
+    };
   };
 
   # Include this repo in the image

modules/common.nix

@@ -3,6 +3,9 @@
 {
   nix = {
     channel.enable = false;
-    settings.experimental-features = [ "nix-command" "flakes" ];
+    settings.experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
   };
 }

packages/libqrtr.nix

@@ -1,4 +1,10 @@
-{ stdenv, fetchFromGitHub, pkg-config, meson, ninja }:
+{
+  stdenv,
+  fetchFromGitHub,
+  pkg-config,
+  meson,
+  ninja,
+}:
 
 stdenv.mkDerivation {
   name = "libqrtr";
@@ -8,6 +14,10 @@ stdenv.mkDerivation {
     rev = "ef44ad10f284410e2db4c4ce22c8645f988f8402";
     hash = "sha256-9e40hidUqzQqDTmlUNpw5jsLduSzTO9bK/A1CTaBi2Y=";
   };
-  nativeBuildInputs = [ pkg-config meson ninja ];
+  nativeBuildInputs = [
+    pkg-config
+    meson
+    ninja
+  ];
   mesonFlags = [ "-Dsystemd-service=disabled" ];
 }

packages/overlay.nix

@@ -1,7 +1,11 @@
 final: prev: {
   x1e80100-linux = final.callPackage ./x1e80100-linux.nix { };
-  x1e80100-lenovo-yoga-slim7x-firmware = final.callPackage ./x1e80100-lenovo-yoga-slim7x-firmware.nix { };
-  x1e80100-lenovo-yoga-slim7x-firmware-json = final.callPackage ./x1e80100-lenovo-yoga-slim7x-firmware-json.nix { };
+  x1e80100-lenovo-yoga-slim7x-firmware =
+    final.callPackage ./x1e80100-lenovo-yoga-slim7x-firmware.nix
+      { };
+  x1e80100-lenovo-yoga-slim7x-firmware-json =
+    final.callPackage ./x1e80100-lenovo-yoga-slim7x-firmware-json.nix
+      { };
   libqrtr = final.callPackage ./libqrtr.nix { };
   pd-mapper = final.callPackage ./pd-mapper.nix { };
 }

packages/pd-mapper.nix

@@ -1,4 +1,9 @@
-{ stdenv, fetchFromGitHub, libqrtr, xz }:
+{
+  stdenv,
+  fetchFromGitHub,
+  libqrtr,
+  xz,
+}:
 
 stdenv.mkDerivation {
   name = "pd-mapper";
@@ -11,6 +16,12 @@ stdenv.mkDerivation {
   patchPhase = ''
     sed -i "s|/lib/firmware/|/run/current-system/firmware/|g" pd-mapper.c
   '';
-  buildInputs = [ libqrtr xz ];
-  makeFlags = [ "DESTDIR=$(out)" "prefix=" ];
+  buildInputs = [
+    libqrtr
+    xz
+  ];
+  makeFlags = [
+    "DESTDIR=$(out)"
+    "prefix="
+  ];
 }