push.yml

name: Push

on:
  push:
    branches: [master]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2 # checkout visx + this commit
        with:
          # pulls all commits (needed for lerna to correctly release only changed packages)
          fetch-depth: '0'
      - uses: actions/setup-node@v2
        with:
          node-version: '12'
          registry-url: 'https://registry.npmjs.org'

      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"
      - uses: actions/cache@v1
        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-

      - name: 📡 Install dependencies
        run: yarn install --frozen-lockfile --ignore-engines

      - name: 🛠 Build packages
        run: yarn build

      - name: 📐 Commit package sizes
        if: github.repository_owner == 'airbnb'
        # note: `git diff-index --quiet HEAD`
        #       has exit code 0 if there are changes vs HEAD, else nothing to commit
        run: |
          yarn build:sizes
          git config user.name github-actions
          git config user.email github-actions@github.com
          git add .
          git diff-index --quiet HEAD || git commit -m "build(${GITHUB_SHA}): auto-commit package sizes"
          git push

      - name: 🚀 Release
        if: github.repository_owner == 'airbnb'
        # the following configurations are needed for lerna to
        #   - have git credentials for commiting tags
        #   - have correct npm credentials for publishing (yarn does not work)
        run: |
          git config user.name github-actions
          git config user.email github-actions@github.com
          yarn logout
          npm config set '//registry.npmjs.org/:_authToken=${{ secrets.NPM_AUTH_TOKEN }}'
          yarn build:release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: 🎨 Build and deploy gallery
        # below we
        # - setup git credentials provided via actions/checkout@v2
        # - initialize gh-pages-branch as an orphan branch so we don't build history
        # - checkout the current commit and create gh-pages-root-dir/ as a new worktree
        #   - outside that directory HEAD is detached at $GITHUB_SHA
        #   - within that directory we are on the gh-pages-branch we just initialized
        #     *worktree initialization should be in a root dir, otherwise the worktree inherits nested directories
        # - build the static next.js site and copy the output into gh-pages-root-dir/
        #   - we can't output directly into gh-pages-root-dir/ because next wipes the folder including .git
        # - commit the demo site within gh-pages-root-dir/ onto the gh-pages-branch
        # - push gh-pages-branch to visx as gh-pages. we overwrite history every time so it must be forced
        run: |
          git config user.name github-actions
          git config user.email github-actions@github.com
          git checkout --orphan gh-pages-branch
          git reset --hard
          touch .nojekyll
          git add .nojekyll
          git commit -m "bot(${GITHUB_SHA}): initialize gh-pages branch"
          git checkout "$GITHUB_SHA"
          git worktree add gh-pages-root-dir gh-pages-branch
          cd ./packages/visx-demo/
          yarn build
          mv -v out/* ../../gh-pages-root-dir/
          cd ../../gh-pages-root-dir/
          git add .
          git commit -m "bot(${GITHUB_SHA}): build gh-pages"
          git push -f "https://$GITHUB_ACTOR:$GITHUB_TOKEN@github.com/$GITHUB_REPOSITORY.git" HEAD:gh-pages
          
      - name: 🦛 Run happo
        # not running happo on push results in stale base shas in pull_request
        run: yarn run happo-ci-github-actions
        working-directory: './packages/visx-demo/'
        env:
          HAPPO_API_KEY: ${{ secrets.HAPPO_API_KEY }}
          HAPPO_API_SECRET: ${{ secrets.HAPPO_API_SECRET }}
          HAPPO_COMMAND: '../../node_modules/happo.io/build/cli.js'