flake.yml

---
name: flake

"on":
  workflow_dispatch:
  schedule:
    - cron: "0 8 * * 1"

permissions:
  contents: write
  pull-requests: write

jobs:
  flake:
    runs-on: ubuntu-latest

    steps:
      - name: Generate token
        id: token
        uses: tibdex/github-app-token@v2
        with:
          app_id: ${{ secrets.TOKEN_EXCHANGE_APP }}
          installation_retrieval_mode: id
          installation_retrieval_payload: ${{ secrets.TOKEN_EXCHANGE_INSTALL }}
          private_key: ${{ secrets.TOKEN_EXCHANGE_KEY }}
          permissions: >-
            {"contents": "write", "pull_requests": "write"}

      - name: Checkout source
        id: source
        uses: actions/checkout@v4

      - name: Install nix
        id: nix
        uses: cachix/install-nix-action@v27

      - name: Update flake
        id: flake
        uses: DeterminateSystems/update-flake-lock@v23
        with:
          commit-msg: "chore(flake): updated lockfile"
          pr-title: "chore: automated flake update"
          pr-body: "New flakelock generated, automerge should handle that!"
          pr-labels: renovate
          git-author-name: GitHub Actions
          git-author-email: github@webhippie.de
          token: ${{ steps.token.outputs.token }}

      - name: Enable automerge
        id: automerge
        if: steps.flake.outputs.pull-request-operation == 'created'
        run: gh pr merge --rebase --auto "${{ steps.flake.outputs.pull-request-number }}"
        env:
          GH_TOKEN: ${{ steps.token.outputs.token }}

...