_release-notifications.yaml

# Send a Slack release notification. Instructions to set up Slack to receive
# messages can be found here: https://github.com/slackapi/slack-github-action#setup-2

name: Release Notifications
on:
  workflow_call:
    inputs:
      repo-name:
        type: string
        required: true
        description: Repository name used for the notification
      release-tag:
        type: string
        required: true
        description: Tag name of the release for the notification
      release-url:
        type: string
        required: true
        description: URL to the release page for the notification
    secrets:
      SLACK_WEBHOOK_URL:
        required: true

# Grant no permissions to this workflow.
permissions: {}

jobs:
  slack:
    name: Slack release notification
    runs-on: ubuntu-latest
    steps:

    - name: Notify via Slack
      run: |
        curl --header "Content-Type: application/json; charset=UTF-8" --request POST --data "$SLACK_WEBHOOK_MSG" "$SLACK_WEBHOOK_URL"
      env:
        SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
        SLACK_WEBHOOK_MSG: |
          {
            "text": "${{ inputs.repo-name }} published a new release ${{ inputs.release-tag }}",
            "blocks": [
              {
                "type": "section",
                "text": {
                  "type": "mrkdwn",
                  "text": "*${{ inputs.repo-name }}* published a new release <${{ inputs.release-url }}|${{ inputs.release-tag }}>"
                }
              }
            ]
          }