# https://github.com/sandhose/nixconf/blob/master/.github/workflows/update.yaml
name: "Update lock file"
on:
  schedule:
    - cron: "0 6 * * *"
  workflow_dispatch:
jobs:
  tests:
    runs-on: ubuntu-20.04

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - uses: tibdex/github-app-token@v1.5
        id: generate-token
        with:
          app_id: ${{ secrets.APP_ID }}
          private_key: ${{ secrets.APP_PRIVATE_KEY }}

      - uses: cachix/install-nix-action@v16
        with:
          install_url: https://releases.nixos.org/nix/nix-2.6.1/install
          extra_nix_config: |
            experimental-features = nix-command flakes
            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}

      - name: Setup Git author
        run: |
          git config user.name 'GitHub Ations'
          git config user.email 'noreply@github.com'

      - name: Update lock file
        run: nix flake update --no-use-registries --commit-lock-file

      - name: Get commit message
        id: commit
        run: |
          message="$(git log -1 --pretty=%B | tail +3 | awk -f ./.github/flake-to-md.awk)"
          message="${message//'%'/'%25'}"
          message="${message//$'\n'/'%0A'}"
          message="${message//$'\r'/'%0D'}"
          echo "::set-output name=message::$message"

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v4
        with:
          token: "${{ steps.generate-token.outputs.token }}"
          title: "Automated Flake update"
          body: "${{ steps.commit.outputs.message }}"
          delete-branch: true
          assignees: thexyno