tag-with-comment.yaml

name: tag-with-comment

on:
  issue_comment:
    types:
      - 'created'

env:
  GITHUB_API_URL_BASE: https://api.github.com/repos/${{ github.repository }}
  # Node.js
  NODE_VERSION: 'lts/*'
  NPM_REGISTRY_URL: 'https://registry.npmjs.org'
  # Slack Notifications
  SLACK_WEBHOOK: ${{ secrets.GHA_NOTIFICATIONS_WEBHOOK_URL }}
  SLACK_CHANNEL: '#triple-web-dev-notifications' # 메시지 보낼 채널
  SLACK_USERNAME: 'Triple Frontend' # 메시지를 보내는 계정 이름
  SLACK_ICON_EMOJI: ':triple_new:'
  SLACK_DETAIL_URL: 'https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}'
  SLACK_GITHUB_REPOSITORY: ${{ github.repository }}
  SLACK_AUTHOR_NAME: ${{ github.event.sender.login }}
  SLACK_AUTHOR_ICON: ${{ github.event.sender.avatar_url }}
  SLACK_FOOTER: ${{ github.repository }}
  SLACK_GITHUB_REF: ${{ github.event.ref }} # 메시지에 ref로 표시되는 값
  SLACK_GITHUB_EVENT_NAME: ${{ github.event_name }} # 메시지에 Event로 표시되는 값

jobs:
  tag-with-comment:
    if: github.event.issue.state == 'open' && github.event.issue.pull_request && endsWith(github.event.comment.body, 'release-canary')
    runs-on: ubuntu-latest

    steps:
      - uses: pnpm/action-setup@v2
        with:
          version: 8

      - name: Use Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          registry-url: ${{ env.NPM_REGISTRY_URL }}

      - name: Recognize head SHA of pull request
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          NODE_AUTH_TOKEN: ${{ secrets.READ_ONLY_NPM_TOKEN }}
        run: |
          pnpm dlx @titicaca/gha-tools fetch-github-pr ${{ github.event.issue.number }}
          PR_SHA=$(cat ./pr.json | jq -r '.head.sha')
          PR_REF=$(cat ./pr.json | jq -r '.head.ref')
          echo "PR_NUMBER=${{ github.event.issue.number }}" >> $GITHUB_ENV
          echo "PR_SHA=$PR_SHA" >> $GITHUB_ENV
          echo "PR_REF=$PR_REF" >> $GITHUB_ENV
          echo "SLACK_GITHUB_REF=$PR_REF" >> $GITHUB_ENV
          echo "PR_SHORT_SHA=${PR_SHA:0:7}" >> $GITHUB_ENV
          echo "PR_TITLE=$(cat ./pr.json | jq -r '.title')" >> $GITHUB_ENV
          echo "TAG_NAME=release-pr-${{ github.event.issue.number }}" >> $GITHUB_ENV

      - name: Leave reaction to comment
        run: |
          curl \
            --url https://api.github.com/repos/${{ github.repository }}/issues/comments/${{ github.event.comment.id }}/reactions \
            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            -H "Accept: application/vnd.github.squirrel-girl-preview+json" \
            -H "Content-Type: application/json" \
            -f --request POST \
            -d "{\"content\":\"+1\"}"

      - name: Create tag object
        id: create-tag-object
        # https://docs.github.com/en/free-pro-team@latest/rest/reference/git#create-a-tag-object
        run: |
          curl --url $GITHUB_API_URL_BASE/git/tags \
            -f \
            --request POST \
            -H 'Authorization: token ${{ secrets.TRIPLE_BOT_GITHUB_TOKEN }}' \
            -H 'Content-Type: application/json' \
            -d "{\"tag\":\"$TAG_NAME\",\"message\":\"released at \`${{ github.event.updated_at }}\`\",\"object\":\"${PR_SHA}\",\"type\":\"commit\"}" \
          > tag.json
          echo "::set-output name=tag-sha::$(node -p -e 'require(`./tag.json`).sha')"

      - name: Check tag ref exist
        id: check-tag-ref
        # https://docs.github.com/en/free-pro-team@latest/rest/reference/git#get-a-reference
        run: |
          curl --url $GITHUB_API_URL_BASE/git/refs/tags/$TAG_NAME \
            -sI \
            -o /dev/null \
            -w "%{http_code}" \
            -H 'Authorization: token ${{ secrets.TRIPLE_BOT_GITHUB_TOKEN }}' \
          > status
          echo "::set-output name=status::$(cat status)"

      - name: Create new tag ref
        if: ${{ steps.check-tag-ref.outputs.status != '200' }}
        env:
          TAG_SHA: ${{ steps.create-tag-object.outputs.tag-sha }}
        # https://docs.github.com/en/free-pro-team@latest/rest/reference/git#create-a-reference
        run: |
          curl --url $GITHUB_API_URL_BASE/git/refs \
            -f \
            --request POST \
            -H 'Authorization: token ${{ secrets.TRIPLE_BOT_GITHUB_TOKEN }}' \
            -H 'Content-Type: application/json' \
            -d "{\"ref\":\"refs/tags/$TAG_NAME\",\"sha\":\"$TAG_SHA\"}"

      - name: Update tag ref
        if: ${{ steps.check-tag-ref.outputs.status == '200' }}
        env:
          TAG_SHA: ${{ steps.create-tag-object.outputs.tag-sha }}
        # https://docs.github.com/en/free-pro-team@latest/rest/reference/git#update-a-reference
        run: |
          curl --url $GITHUB_API_URL_BASE/git/refs/tags/$TAG_NAME \
            -f \
            --request PATCH \
            -H 'Authorization: token ${{ secrets.TRIPLE_BOT_GITHUB_TOKEN }}' \
            -H 'Content-Type: application/json' \
            -d "{\"force\":true,\"sha\":\"${TAG_SHA}\"}"

      - name: Notify tagging success to Slack
        if: success()
        env:
          NODE_AUTH_TOKEN: ${{ secrets.READ_ONLY_NPM_TOKEN }}
          SLACK_COLOR: success
          SLACK_TITLE: ':label: Release tagging SUCCESS'
          SLACK_TOPIC: '${{ github.event.sender.login }} tagged ${{ env.PR_REF }} as ${{ env.TAG_NAME }}.'
        run: pnpm dlx @titicaca/gha-tools notify

      - name: Notify tagging fail to Slack
        if: failure()
        env:
          NODE_AUTH_TOKEN: ${{ secrets.READ_ONLY_NPM_TOKEN }}
          SLACK_COLOR: fail
          SLACK_TITLE: ':pleading: Release tagging FAILURE'
          SLACK_TOPIC: 'Fail to tag ${{ env.PR_REF }} as ${{ env.TAG_NAME }}.'
        run: pnpm dlx @titicaca/gha-tools notify