name: Update lockfile

on:
  schedule:
    - cron: "30 6 * * *"
  workflow_dispatch:

jobs:
  update-lockfile:
    name: Update lockfile
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          ref: master

      - name: Prepare
        env:
          NVIM_TAG: stable
        run: |
          wget https://github.com/josephburnett/jd/releases/download/v1.6.1/jd-amd64-linux
          mv ./jd-amd64-linux /tmp/jd
          chmod +x /tmp/jd
          sudo apt install libfuse2
          wget https://github.com/neovim/neovim/releases/download/${NVIM_TAG}/nvim.appimage
          chmod u+x nvim.appimage
          mkdir -p ~/.local/share/nvim/site/pack/nvim-treesitter/start
          ln -s $(pwd) ~/.local/share/nvim/site/pack/nvim-treesitter/start

      - name: Update parsers
        env:
          SKIP_LOCKFILE_UPDATE_FOR_LANGS: ""
        run: |
          cp lockfile.json /tmp/old_lockfile.json
          ./nvim.appimage --headless -c "luafile ./scripts/write-lockfile.lua" -c "q"
          # Pretty print
          cp lockfile.json /tmp/lockfile.json
          cat /tmp/lockfile.json | jq --sort-keys > lockfile.json

      - name: Commit changes
        run: |
          git config user.name "GitHub"
          git config user.email "noreply@github.com"
          git add lockfile.json
          UPDATED_PARSERS=$(/tmp/jd -f merge /tmp/old_lockfile.json lockfile.json | jq -r 'keys | join(", ")')
          echo "UPDATED_PARSERS=$UPDATED_PARSERS" >> $GITHUB_ENV
          git commit -m "Update parsers: $UPDATED_PARSERS" || echo 'No commit necessary!'
          git clean -xf

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v4
        with:
          title: "Update lockfile.json: ${{ env.UPDATED_PARSERS }}"
          branch: update-lockfile-pr
          base: ${{ github.head_ref }}
          draft: true