on-merge-to-develop.yml

# Inspired from https://github.com/backstage/backstage/blob/master/.github/workflows/ci.yml. Thanks!
name: On merge to develop (alpha releases)
on:
  workflow_dispatch:
  push:
    branches:
      - develop
    paths:
      - "packages/**"
      - "!packages/**/CHANGELOG.md" # filters out changes made by lerna
      - "!packages/**/package.json" # filters out changes made by lerna
      - ".github/workflows/build.yml"

defaults:
  run:
    shell: bash

jobs:
  quality-checks:
    uses: ./.github/workflows/reusable-quality-checks.yml

  load-nodejs-supported-versions:
    uses: ./.github/workflows/reusable-load-nodejs-supported-versions.yml

  # We test the current LTS on all OSes and other supported versions are only tested on Ubuntu for performance reasons
  # All the other os/version tuples will be tested in the post-release E2E workflow
  tests-per-nodejs-version:
    needs: load-nodejs-supported-versions
    strategy:
      matrix:
        node-version: ${{ fromJson(needs.load-nodejs-supported-versions.outputs.node_versions) }}
    uses: ./.github/workflows/reusable-tests.yml
    with:
      os: ubuntu-latest
      node-version: ${{ matrix.node-version }}

  tests-LTS-per-other-os:
    strategy:
      matrix:
        os: [windows-latest, macos-latest]
    uses: ./.github/workflows/reusable-tests.yml
    with:
      os: ${{ matrix.os }}
      node-version-file: .nvmrc # current LTS

  tests-nodejs-current:
    uses: ./.github/workflows/reusable-tests.yml
    with:
      os: ubuntu-latest
      node-version: current
      experimental: true # best effort mode

  publish-pages:
    needs:
      - quality-checks
      - tests-per-nodejs-version
      - tests-LTS-per-other-os
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false # required by JamesIves/github-pages-deploy-action
          fetch-depth: 0 # required by Log4brains to work correctly (needs the whole Git history)
      - uses: actions/setup-node@v4
        with:
          node-version-file: .nvmrc # current LTS
          cache: yarn
          cache-dependency-path: yarn.lock
      - run: yarn install --frozen-lockfile
      - name: Build and link
        run: |
          yarn build
          yarn link-cli
          echo "$(yarn global bin)" >> $GITHUB_PATH
      - name: Log4brains build
        env:
          HIDE_LOG4BRAINS_VERSION: "1" # TODO: use lerna to bump the version temporarily here so we don't have to hide it
        run: log4brains build --basePath /${GITHUB_REPOSITORY#*/}/adr
      - name: Publish to Github pages
        uses: JamesIves/github-pages-deploy-action@3.7.1
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          BRANCH: gh-pages
          FOLDER: .log4brains/out
          TARGET_FOLDER: adr

  release-alpha:
    needs: publish-pages # we could perform this step in parallel but this acts as a last end-to-end test before releasing
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # fetch all history for Lerna (https://stackoverflow.com/a/60184319/9285308)
          ssh-key: ${{ secrets.LERNA_GITHUB_DEPLOY_KEY }} # so that Lerna is able to push to the protected branch (https://github.com/orgs/community/discussions/25305#discussioncomment-10728028)
      - name: Fetch all git tags for Lerna # (https://stackoverflow.com/a/60184319/9285308)
        run: git fetch --depth=1 origin +refs/tags/*:refs/tags/* || true
      - uses: actions/setup-node@v4
        with:
          node-version-file: .nvmrc # current LTS
          cache: yarn
          cache-dependency-path: yarn.lock
          registry-url: https://registry.npmjs.org/ # needed by lerna to push to NPM
      - run: yarn install --frozen-lockfile
      - run: yarn build
      - name: Git identity for github-actions[bot]
        run: |
          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
      - name: Run lerna publish
        run: yarn lerna publish --yes --conventional-commits --conventional-prerelease --force-publish --dist-tag alpha --exact --create-release github
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}