webhook.yml

name: Discord release webhook

on:
  release:
    types: [published]

permissions:
  contents: read

jobs:
  notify:
    runs-on: ubuntu-latest
    timeout-minutes: 5

    steps:
      - name: Determine mention role
        id: mention
        env:
          TAG: ${{ github.event.release.tag_name }}
        run: |
          if [[ "$TAG" == *canary* ]]; then
            echo "role=<@&1481870465416040471>" >> "$GITHUB_OUTPUT"
          else
            echo "role=<@&1481870405156212756>" >> "$GITHUB_OUTPUT"
          fi

      - name: Post release message to Discord
        env:
          WEBHOOK_URL: ${{ secrets.WEBHOOK_URL }}
          RELEASE_NAME: ${{ github.event.release.name }}
          RELEASE_BODY: ${{ github.event.release.body }}
          RELEASE_URL: ${{ github.event.release.html_url }}
          MENTION_ROLE: ${{ steps.mention.outputs.role }}
        run: |
          payload=$(jq -n --arg name "$RELEASE_NAME" --arg body "$RELEASE_BODY" --arg url "$RELEASE_URL" --arg role "$MENTION_ROLE" '{content: ($role + "\n# " + $name + "\n" + $body + "\n\n-# " + $url)}')
          curl -sS -X POST \
            -H "Content-Type: application/json" \
            -d "$payload" \
            "$WEBHOOK_URL"