backstage-release-snapshot.yaml

name: Publish snapshot on NPM

on:
  # When manually triggered
  workflow_dispatch:

  # When there's a new commit in main branch
  push:
    branches: [ "main" ]

jobs:
  publish-release-snapshot-on-npm:
    name: Publish release on NPM
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup release name
        run: |
          # get the short git hash
          git_hash=$(git rev-parse --short "$GITHUB_SHA")
          # build the release name
          new_version="0.0.0-snapshot.${git_hash}"
          echo "RELEASE_NAME=${new_version}" >> $GITHUB_ENV

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version-file: 'backstage/.nvmrc'
          cache: 'yarn'
          cache-dependency-path: 'backstage/yarn.lock'

      - name: Print environment
        run: |
          node --version
          yarn --version

      - name: Print release name
        run: |
          echo "Release name: ${RELEASE_NAME}"

      - name: Install dependencies
        shell: bash
        working-directory: ./backstage
        run: yarn --prefer-offline --frozen-lockfile

      - name: Install tooling
        shell: bash
        working-directory: ./backstage
        run: npm install @backstage/cli -g

      - name: Run tests
        shell: bash
        working-directory: ./backstage
        run: |
          export PATH="./node_modules/.bin/:$PATH"
          yarn test

      - name: Build
        shell: bash
        working-directory: ./backstage
        run: |
          export PATH="./node_modules/.bin/:$PATH"
          yarn tsc
          yarn build:all

      - name: Update version of knative-event-mesh-backend plugin
        shell: bash
        working-directory: ./backstage/plugins/knative-event-mesh-backend
        run: |
          export PATH="./node_modules/.bin/:$PATH"
          yarn version --new-version ${RELEASE_NAME} --no-git-tag-version

      - name: Prepack knative-event-mesh-backend plugin
        shell: bash
        working-directory: ./backstage/plugins/knative-event-mesh-backend
        run: |
          export PATH="./node_modules/.bin/:$PATH"
          yarn prepack

      - name: Publish knative-event-mesh-backend plugin
        uses: JS-DevTools/npm-publish@v2
        with:
          token: ${{ secrets.NPM_TOKEN }}
          access: public
          package: backstage/plugins/knative-event-mesh-backend
          tag: snapshot

      - name: Postpack knative-event-mesh-backend plugin
        shell: bash
        working-directory: ./backstage/plugins/knative-event-mesh-backend
        run: |
          export PATH="./node_modules/.bin/:$PATH"
          yarn postpack