create_release_pr.yml

name: Create PR to Trigger Release
on: workflow_dispatch

jobs:
  create_release_pr:
    name: Create PR to Trigger Release
    runs-on: ubuntu-20.04
    env:
      IMJS_ELECTRON_CLIENT_ID: imodeljs-electron-samples
    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
      - uses: actions/github-script@v2
        with:
          script: |
            const proc = require('child_process');
            const capture = (prog, args) => { console.log(`$ ${prog} ${args}`); return proc.spawnSync(prog, args).stdout.toString().trim(); };
            const run = (prog, args) => { console.log(`$ ${prog} ${args}`); proc.spawnSync(prog, args, { stdio: 'inherit' }); };
            const runWithOpts = async (funcName, opts) => {
                console.log(`${funcName} opts: ${JSON.stringify(opts)}`);
                const res = await eval(funcName)(opts);
                console.log(`${funcName} response: ${JSON.stringify(res)}`);
                return res;
            };

            const newVersion = capture('npm', ['version', 'patch', '--no-git-tag-version']);
            console.log(`newVersion='${newVersion}'`);

            run('git', ['checkout', '-b', newVersion]);
            run('git', ['add', '.']);
            run('git', ['status']);
            run('git', ['diff']);
            run('git', ['commit', '-m', newVersion]);
            run('git', ['push', '-u', 'origin', 'HEAD']);

            await runWithOpts('github.pulls.create', {
              owner: context.repo.owner,
              repo: context.repo.repo,
              title: `[Bump Version] ${newVersion}`,
              head: newVersion,
              base: 'master'
            });