update.yml

name: "update flake"
on:
  schedule:
    - cron: "15 4 * * *"
  workflow_dispatch:
jobs:
  update:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    outputs:
      outputs: ${{ steps.gen_output.outputs.outputs }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
      - name: Install nix
        uses: cachix/install-nix-action@v31
      - name: Update flake.lock
        run: nix flake update
      - name: Add flake.lock
        run: git add flake.lock
      - name: Check updated flake
        run: nix flake check --all-systems
      - name: Push new flake.lock
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git commit -m "Update Flake Inputs: $(date +%F)"
          git push
      - name: Get outputs
        id: gen_output
        run: echo "outputs=$(nix flake show --json | jq -c '.nixosConfigurations | keys | map("nixosConfigurations.\(.).config.system.build.toplevel")')" >> "$GITHUB_OUTPUT"
  cache:
    needs: update
    strategy:
      matrix:
        output: ${{fromJson(needs.update.outputs.outputs)}}
    uses: ./.github/workflows/cache.yml
    with:
      output: ${{ matrix.output }}
    secrets: inherit