Commit 5485cb03e9fb

@@ -0,0 +1,43 @@
+name: Nix flake build packages
+
+permissions:
+  contents: read
+
+on:
+  workflow_dispatch: {}
+  pull_request:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  nix-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: cachix/install-nix-action@3715ab1a11cac9e991980d7b4a28d80c7ebdd8f9 # v27
+      - id: set-matrix
+        name: Generate Nix Matrix
+        run: |
+          set -Eeu
+          echo "matrix=$(nix eval --json '.#githubActions.matrix')" >> "$GITHUB_OUTPUT"
+
+  nix-build:
+    needs: nix-matrix
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix: ${{fromJSON(needs.nix-matrix.outputs.matrix)}}
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: cachix/install-nix-action@3715ab1a11cac9e991980d7b4a28d80c7ebdd8f9 # v27
+      - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
+        with:
+          name: chapeau-rouge
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - run: nix build -L ".#${{ matrix.attr }}"

@@ -636,6 +636,26 @@
         "type": "github"
       }
     },
+    "nix-github-actions_4": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1737420293,
+        "narHash": "sha256-F1G5ifvqTpJq7fdkT34e/Jy9VCyzd5XfJ9TO8fHhJWE=",
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "rev": "f4158fa080ef4503c8f4c820967d946c2af31ec9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "type": "github"
+      }
+    },
     "nixlib": {
       "locked": {
         "lastModified": 1736643958,
@@ -856,6 +876,7 @@
         "home-manager": "home-manager_3",
         "home-manager-25_05": "home-manager-25_05",
         "lanzaboote": "lanzaboote",
+        "nix-github-actions": "nix-github-actions_4",
         "nixos-generators": "nixos-generators",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_2",

@@ -23,6 +23,9 @@
       forAllSystems = inputs.nixpkgs.lib.genAttrs supportedSystems;
     in
     {
+      githubActions = inputs.nix-github-actions.lib.mkGithubMatrix {
+        checks = inputs.nixpkgs.lib.getAttrs [ "x86_64-linux" ] self.packages;
+      };
       # Standalone home configurations
       # FIXME set this up
       homeConfigurations = {
@@ -296,6 +299,9 @@
     system-manager.url = "github:numtide/system-manager";
     system-manager.inputs.nixpkgs.follows = "nixpkgs";
 
+    nix-github-actions.url = "github:nix-community/nix-github-actions";
+    nix-github-actions.inputs.nixpkgs.follows = "nixpkgs";
+
     # nix-system-graphics.url = "github:soupglasses/nix-system-graphics";
     # nix-system-graphics.inputs.nixpkgs.follows = "nixpkgs";
   };