name: Build

on:
  push:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    steps:
      - uses: actions/checkout@v2

      - name: Clone lush
        run: git clone --depth 1 https://github.com/rktjmp/lush.nvim ~/.local/share/nvim/site/pack/zenbones/start/lush.nvim

      - uses: rhysd/action-setup-vim@v1
        with:
          neovim: true
          version: stable

      - name: Setup git
        run: |
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          printf 'BUILD_BRANCH=bot/build/%s\n' ${GITHUB_REF#refs/heads/} >> $GITHUB_ENV

      - name: Checkout to build branch
        run: git checkout -b ${BUILD_BRANCH}

      - name: Run builder script
        run: make

      - name: Create PR
        run: |
          if ! [[ -z $(git status -s) ]]; then
              git add autoload/lightline/colorscheme/ colors/ lua/lualine/ extras/
              git commit -m "chore: rebuild artifacts"
              git push --force https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY} ${BUILD_BRANCH}
              gh pr create --fill --base ${GITHUB_REF#refs/heads/} --head ${BUILD_BRANCH} || true
          fi