name: Deploy Docs

on:
  push:
    branches:
      - main
    tags:
      - v*
    paths-ignore:
      - "CHANGELOG.md"
jobs:
  deploy:
    runs-on: ubuntu-16.04

    steps:
      - uses: actions/checkout@v2
      - uses: MeilCli/setup-crystal-action@v4.0.1
        with:
          crystal_version: 1.0.0
          shards_version: 0.14.1
      - name: Install dependencies
        run: shards install
      - name: Run crystal doc
        run: crystal doc
      - name: Extract branch name
        shell: bash
        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
        id: extract_branch
      - name: Deploy to gh-pages
        uses: peaceiris/actions-gh-pages@v3.7.0-8
        with:
          personal_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: docs
          destination_dir: ${{ steps.extract_branch.outputs.branch }}