release-publish.yml

# This workflow is triggered when a pull request is merged and the label 'release' is present.
# It fetches the last draft release, updates it to a non-draft release and sends a Slack message with the release notes.
name: Publish Release

on:
  pull_request:
    types:
      - closed

jobs:

  release:
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'release')
    runs-on: ubuntu-22.04

    steps:

      - uses: actions/checkout@v4

      - name: Install taskfile.dev
        uses: arduino/setup-task@v2
        with:
          version: 3.x
          repo-token: ${{ github.token }}

      - name: Create release zip file
        shell: bash
        run: task dist

      - name: Fetch last draft release
        id: fetch-release-draft
        shell: bash
        run: |

          # Call Github releases API and filter draft releases
          DRAFT_RELEASE=$(curl \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ github.token }}" \
            https://api.github.com/repos/${{ github.repository }}/releases | \
            jq 'map(select(.draft == true))' \
          )

          # Fail if 0 or more than 1 draft release is found
          if [[ $(echo $DRAFT_RELEASE | jq 'length') -ne 1 ]]
          then
            echo "No draft release found or more than one draft release found"
            exit 1
          fi

          DRAFT_RELEASE=$(echo $DRAFT_RELEASE | jq first)

          # Retrieve name, id and body of the draft release
          # We need to remove the quotes from the JSON output
          NAME=$(echo $DRAFT_RELEASE | jq '.name' | sed 's/"//g')
          ID=$(echo $DRAFT_RELEASE | jq '.id')
          BODY=$(echo $DRAFT_RELEASE | jq '.body' | sed 's/"//g')

          # Add URLs to GitHub pull requests
          PULL_REQUEST_URL_START=${{ github.server_url }}/${{ github.repository }}/pull/
          ESCAPED_PULL_REQUEST_URL_START=$(printf '%s\n' "$PULL_REQUEST_URL_START" | sed -e 's/[\/&]/\\&/g')
          BODY=$(echo -e "$BODY" | sed -E "s/#([0-9]+)/[#\1](${ESCAPED_PULL_REQUEST_URL_START}\1)/g")

          # Add URLs to GitHub profiles
          PROFILE_URL_START=${{ github.server_url }}/
          ESCAPED_PROFILE_URL_START=$(printf '%s\n' "$PROFILE_URL_START" | sed -e 's/[\/&]/\\&/g')
          BODY=$(echo -e "$BODY" | sed -E "s/@([[:alnum:]-]+)/[@\1](${ESCAPED_PROFILE_URL_START}\1)/g")

          # Write the output variables
          echo "name=$NAME" >> $GITHUB_OUTPUT
          echo "id=$ID" >> $GITHUB_OUTPUT
          echo "body<<EOF" >> $GITHUB_OUTPUT
          echo -e "$BODY" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Add zip file to the release assets
        shell: bash
        run: |
         curl \
            -X POST \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ github.token }}" \
            -H "Content-Type: application/zip" \
            -T "dist/alma-gateway-for-woocommerce.zip" \
            https://uploads.github.com/repos/${{ github.repository }}/releases/${{ steps.fetch-release-draft.outputs.id }}/assets?name=alma-gateway-for-woocommerce.zip

      - name: Publish Github release
        uses: actions/github-script@v7
        with:
          # target_commitish is set to refs/heads/develop by release-drafter as we need to retrieve pull requests merged into develop
          # We need to override it to refs/heads/main to point to the last commit of main branch instead of develop branch
          script: |
            const { owner, repo } = context.repo;
            await github.rest.repos.updateRelease({
              owner,
              repo,
              release_id: "${{ steps.fetch-release-draft.outputs.id }}",
              draft: false,
              make_latest: true,
              tag_name: "${{ steps.fetch-release-draft.outputs.name }}",
              target_commitish: "refs/heads/main"
            });

      - name: Format release notes for Slack
        uses: LoveToKnow/slackify-markdown-action@v1.1.1
        id: slack-markdown-release-notes
        with:
          text: |
            New release of ${{ github.repository }}, **[${{ steps.fetch-release-draft.outputs.name }}](https://github.com/${{ github.repository }}/releases/tag/${{ steps.fetch-release-draft.outputs.name }})**:

            ${{ steps.fetch-release-draft.outputs.body }}

            cc <@france.berut> <@khadija.cherif>

      - name: Send changelog to Slack
        uses: slackapi/slack-github-action@v1.26.0
        with:
          channel-id: CR9C57YM6
          slack-message: ${{ steps.slack-markdown-release-notes.outputs.text }}
          payload: |
            {
              "username": "${{ github.event.sender.login }}",
              "icon_url": "${{ github.event.sender.avatar_url }}"
            }
        env:
          SLACK_BOT_TOKEN: ${{ secrets.SLACK_RELEASE_CHANGELOG_BOT_TOKEN }}