name: 'Update flake.lock'
description: 'Update your flake.lock and send a PR'
runs:
  using: "composite"
  steps:
    - uses: cachix/install-nix-action@v14
      with:
        install_url: https://github.com/numtide/nix-unstable-installer/releases/download/nix-2.5pre20211015_130284b/install
        extra_nix_config: |
          experimental-features = nix-command flakes
    - run: nix flake lock --commit-lock-file
      shell: bash
      env:
        GIT_AUTHOR_NAME: github-actions[bot]
        GIT_AUTHOR_EMAIL: <github-actions[bot]@users.noreply.github.com>
        GIT_COMMITTER_NAME: github-actions[bot]
        GIT_COMMITTER_EMAIL: <github-actions[bot]@users.noreply.github.com>
    - name: Create PR
      uses: peter-evans/create-pull-request@v3
      with:
        branch: update_flake_lock_action
        delete-branch: true
        title: "flake.lock: Update"
        body: Automated changes by the [update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock) GitHub Action.