slack-rc-notification.yml

##############################################################################################
#
# Slack RC Notification (reusable)
#
# Posts an RC build notification to the release Slack channel.
# Callers can pass build metadata (semver, build numbers) directly from build
# outputs for accuracy, or omit them to fall back to reading from the branch.
#
##############################################################################################
name: Slack RC Notification

on:
  workflow_call:
    inputs:
      source_branch:
        description: 'Branch to checkout for reading build metadata and changelog (e.g. release/7.71.0)'
        required: true
        type: string
      semver:
        description: 'Semantic version (optional; falls back to reading from branch checkout)'
        required: false
        type: string
        default: ''
      ios_build_number:
        description: 'iOS build number (optional; falls back to reading from branch checkout)'
        required: false
        type: string
        default: ''
      android_build_number:
        description: 'Android build number (optional; falls back to reading from branch checkout)'
        required: false
        type: string
        default: ''
      pr_number:
        description: 'PR number for linking to cherry-picks section in release PR comment'
        required: false
        type: string
        default: ''

jobs:
  slack-notification:
    name: Post Slack Notification
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ inputs.source_branch }}
          fetch-depth: 0
      - uses: actions/setup-node@v4
        with:
          node-version-file: '.nvmrc'
          cache: yarn
      - name: Read build metadata from repo
        if: inputs.semver == '' || inputs.ios_build_number == '' || inputs.android_build_number == ''
        id: build-meta
        run: ./scripts/get-build-metadata.sh --ci
      - name: Install dependencies
        run: yarn install --immutable
      - name: Post Slack notification
        run: |
          if node ./scripts/slack-rc-notification.mjs; then
            echo "Slack notification sent successfully"
          else
            echo "Slack notification failed, continuing (non-critical)"
          fi
        env:
          SEMVER: ${{ inputs.semver || steps.build-meta.outputs.semantic_version }}
          IOS_BUILD_NUMBER: ${{ inputs.ios_build_number || steps.build-meta.outputs.ios_version_code }}
          ANDROID_BUILD_NUMBER: ${{ inputs.android_build_number || steps.build-meta.outputs.android_version_code }}
          BUILD_PIPELINE_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
          ANDROID_PUBLIC_URL: ${{ secrets.ANDROID_PUBLIC_BUCKET_URL }}
          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
          PR_NUMBER: ${{ inputs.pr_number }}