function entrypoint()

in packages/cli/src/utils/sandbox.ts [116:181]
59 lines of code
15 McCabe index (conditional complexity)

function entrypoint(workdir: string): string[] {
  const isWindows = os.platform() === 'win32';
  const containerWorkdir = getContainerPath(workdir);
  const shellCmds = [];
  const pathSeparator = isWindows ? ';' : ':';

  let pathSuffix = '';
  if (process.env.PATH) {
    const paths = process.env.PATH.split(pathSeparator);
    for (const p of paths) {
      const containerPath = getContainerPath(p);
      if (
        containerPath.toLowerCase().startsWith(containerWorkdir.toLowerCase())
      ) {
        pathSuffix += `:${containerPath}`;
      }
    }
  }
  if (pathSuffix) {
    shellCmds.push(`export PATH="$PATH${pathSuffix}";`);
  }

  let pythonPathSuffix = '';
  if (process.env.PYTHONPATH) {
    const paths = process.env.PYTHONPATH.split(pathSeparator);
    for (const p of paths) {
      const containerPath = getContainerPath(p);
      if (
        containerPath.toLowerCase().startsWith(containerWorkdir.toLowerCase())
      ) {
        pythonPathSuffix += `:${containerPath}`;
      }
    }
  }
  if (pythonPathSuffix) {
    shellCmds.push(`export PYTHONPATH="$PYTHONPATH${pythonPathSuffix}";`);
  }

  const projectSandboxBashrc = path.join(
    SETTINGS_DIRECTORY_NAME,
    'sandbox.bashrc',
  );
  if (fs.existsSync(projectSandboxBashrc)) {
    shellCmds.push(`source ${getContainerPath(projectSandboxBashrc)};`);
  }

  ports().forEach((p) =>
    shellCmds.push(
      `socat TCP4-LISTEN:${p},bind=$(hostname -i),fork,reuseaddr TCP4:127.0.0.1:${p} 2> /dev/null &`,
    ),
  );

  const cliArgs = process.argv.slice(2).map((arg) => quote([arg]));
  const cliCmd =
    process.env.NODE_ENV === 'development'
      ? process.env.DEBUG
        ? 'npm run debug --'
        : 'npm rebuild && npm run start --'
      : process.env.DEBUG
        ? `node --inspect-brk=0.0.0.0:${process.env.DEBUG_PORT || '9229'} $(which gemini)`
        : 'gemini';

  const args = [...shellCmds, cliCmd, ...cliArgs];

  return ['bash', '-c', args.join(' ')];
}