_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
#
# yamllint disable rule:document-start rule:document-end

name: Release Notifications
on: # yamllint disable-line rule:truthy
  workflow_call:
    inputs:
      repo_name:
        required: true
        type: string
      release_tag:
        required: true
        type: string
      release_url:
        required: true
        type: string
    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 }}>"
                }
              }
            ]
          }