name: update
run-name: Updating inputs

on:
  schedule:
    - cron: "0 17 * * 5"

permissions:
  contents: write
  pull-requests: write

jobs:
  update:
    name: Update inputs
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v7
      - name: Install Lix
        uses: ./.github/actions/install-lix
      - name: Update inputs
        run: nix flake update
      - name: Check outputs
        id: check
        run: nix flake check --show-trace --option allow-import-from-derivation false
        continue-on-error: true
      - name: Push changes
        if: steps.check.outcome == 'success'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add flake.lock
          git diff --cached --quiet || git commit -m "chore(flake): update inputs"
          git push
      - name: Create pull request
        if: steps.check.outcome == 'failure'
        uses: peter-evans/create-pull-request@v8
        with:
          body: "This PR updates flake inputs. Note: `nix flake check` failed and requires manual review."
          branch: "chore/update-flake-inputs"
          commit-message: "chore(flake): update inputs"
          delete-branch: true
          title: "chore(flake): update inputs"
      - name: Fail if check failed
        if: steps.check.outcome == 'failure'
        run: exit 1