create_release.yml

name: Create Release on PR Trigger
on:
  pull_request:
    types: [closed]

jobs:
  create_release:
    name: Windows Release
    runs-on: windows-latest
    env:
      IMJS_ELECTRON_CLIENT_ID: imodeljs-electron-samples
    if: ${{ startsWith(github.event.pull_request.title, '[Bump Version] ') && github.event.pull_request.merged }}
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-node@v1
        with:
          node-version: 12.x
      - run: |
          git config --global user.email "38288322+imodeljs-admin@users.noreply.github.com"
          git config --global user.name "imodeljs-admin[bot]"
        name: git config
      - run: npm ci
      - run: npx run-s lint build build:backend:webpack
      - run: ([Regex]'REPLACE_WITH_CLIENT_ID').Replace((Get-Content -path ./build/app/main.js -Raw), ${env:IMJS_ELECTRON_CLIENT_ID}, 1) | Set-Content -Path ./build/app/main.js
        shell: powershell
        name: set client id
      - run: npm run build:dist
      - uses: actions/github-script@v2
        name: create release
        with:
          script: |
            const prKeyword = '[Bump Version] ';
            const newVersion = context.payload.pull_request.title.slice(prKeyword.length);
            console.log(`Attempting a release for version '${newVersion}' (PR title='${context.payload.pull_request.title}')`);

            const fs = require('fs');
            const proc = require('child_process');
            const git = (args) => { console.log(`$ git ${args}`); proc.spawnSync('git', args, { stdio: 'inherit' }); };
            const runWithOpts = async (funcName, opts) => {
                console.log(`${funcName} opts: ${JSON.stringify(opts)}`);
                const res = await eval(funcName)(opts);
                console.log(`${funcName} response: ${JSON.stringify(res)}`);
                return res;
            };

            git(['tag', '-a', newVersion, '-m', newVersion]);
            git(['push', 'origin', newVersion]);

            const release = await runWithOpts('github.repos.createRelease', {
                owner: context.repo.owner,
                repo: context.repo.repo,
                tag_name: newVersion,
                name: newVersion,
                draft: true
            });

            const plainVersion = newVersion.slice(1); // remove the leading 'v'
            const artifactName = `Desktop Starter-${plainVersion}-win.zip`;
            const artifactPath = `./dist/${artifactName}`;
            await runWithOpts('github.repos.uploadReleaseAsset', {
                owner: context.repo.owner,
                repo: context.repo.repo,
                release_id: release.data.id,
                name: artifactName,
                headers: {
                  'content-length': fs.statSync(artifactPath).size
                },
                data: fs.createReadStream(artifactPath)
            });

            await runWithOpts('github.repos.updateRelease', {
              owner: context.repo.owner,
              repo: context.repo.repo,
              release_id: release.data.id,
              draft: false
            });