build.yml

name: Build
on:
  workflow_run:
    workflows: Tests
    branches: master
    types: completed

jobs:
  check-changes:
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    runs-on: ubuntu-latest
    outputs:
      songs_have_changed: ${{steps.songs-changed.outputs.out}}
    steps:
      - uses: actions/checkout@v4
      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: lts/*
          cache: 'yarn'
      - name: Install dependencies
        run: yarn install --frozen-lockfile
      - name: Check if songs have changed
        id: songs-changed
        run: yarn --silent github songChanges >> "$GITHUB_OUTPUT"

  build:
    needs: check-changes
    if: ${{ needs.check-changes.outputs.songs_have_changed == 'true' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: lts/*
          cache: 'yarn'
      - name: Install dependencies
        run: yarn install --frozen-lockfile
      - name: Build
        run: yarn build
      - name: Get commit message
        id: commit-title
        run: yarn --silent github buildCommitTitle >> "$GITHUB_OUTPUT"
      - name: Commit build
        uses: EndBug/add-and-commit@v9
        with:
          add: 'dist'
          committer_name: Songbird Bot
          message: >
            ${{ steps.commit-title.outputs.out }}

            Build was created as a result of commit ${{ github.event.workflow_run.head_commit.id }}