prerelease.yml

name: Pre-release
on:
  issue_comment:
    types: [created]

jobs:
  lerna_publish:
    runs-on: ubuntu-latest
    if: ${{github.event.issue.pull_request && contains(github.event.comment.body, '@copilot-robot prerelease')}}
    steps:
      - uses: actions/github-script@v6
        with:
          script: |
            try {
              const result = await github.rest.reactions.createForIssueComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: context.payload.comment.id,
                content: "+1"
              });
              return result.data;
            } catch (err) {
              core.info(`Failed to set reaction error ${err}`)
            }
        env:
          GITHUB_TOKEN: ${{secrets.ROBOT_GITHUB_TOKEN}}
      - uses: actions/github-script@v3
        id: get-ref-name
        with:
          result-encoding: string
          script: |
            const result = await github.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });
            if (result.data.head.ref === "main") {
              throw new Error("Prereleasing main is unsupported");
            }
            return result.data.head.ref;
        env:
          GITHUB_TOKEN: ${{secrets.ROBOT_GITHUB_TOKEN}}
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
          persist-credentials: false
          ref: ${{steps.get-ref-name.outputs.result}}
      - name: Configure git
        run: |
          git config user.name "${GITHUB_ACTOR}"
          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
          git remote set-url origin https://x-access-token:${GITHUB_TOKEN}@github.com/$GITHUB_REPOSITORY
          git checkout $BRANCH_NAME
          echo "Prepublishing $(git branch --show-current) on behalf of ${GITHUB_ACTOR}"
        env:
          BRANCH_NAME: ${{steps.get-ref-name.outputs.result}}
          GITHUB_TOKEN: ${{secrets.ROBOT_GITHUB_TOKEN}}
      - uses: actions/setup-node@v3
        with:
          always-auth: true
          node-version: "20.11.1"
          registry-url: https://registry.npmjs.org
      - name: Install Dependencies
        run: npm ci --no-optional
      - name: Fetch tags
        run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
        env:
          GITHUB_TOKEN: ${{secrets.ROBOT_GITHUB_TOKEN}}
      - name: Lerna publish
        id: publish
        run: |
          npx lerna publish\
            --dist-tag "${BRANCH_NAME}"\
            --preid "${BRANCH_NAME}"\
            --canary\
            -m 'chore(prerelease): publish'\
            --yes\
            --summary-file
        env:
          BRANCH_NAME: ${{steps.get-ref-name.outputs.result}}
          GITHUB_TOKEN: ${{secrets.ROBOT_GITHUB_TOKEN}}
          NODE_AUTH_TOKEN: ${{secrets.ROBOT_NPM_TOKEN}}
      - uses: actions/github-script@v6
        if: ${{ success() }}
        with:
          github-token: ${{secrets.ROBOT_GITHUB_TOKEN}}
          script: |
            try {
              const fs = require("fs/promises");
              let publishResult = await fs.readFile(`./lerna-publish-summary.json`);
              let packageInfo = JSON.parse(publishResult.toString());
              const result = await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: `Hi, @${context.actor}, a pre-release has been published:\n\n${packageInfo.map(package => `- ${package.packageName}@${package.version}`).join("\n")}`
              });
              return result.data;
            } catch (err) {
              core.info(`Failed to reply to user with pre-release info ${err}`)
            }
      - uses: actions/github-script@v6
        if: ${{ failure() }}
        with:
          github-token: ${{secrets.ROBOT_GITHUB_TOKEN}}
          script: |
            try {
              const result = await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: `Hi, @${context.actor}, there are no changed packages to publish.`
              });
            } catch (err) {
              core.info(`Failed to reply to user with pre-release info ${err}`)
            }