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import { checkVersion } from '../install.ts'import { VERSION } from '../version.ts'
export const helpMessage = `Usage:    aleph upgrade <version>
Options:        --version <version>  The version to upgrade to    -h, --help               Prints help message`
export default async function (v = 'latest') {  const version = await checkVersion(v)  if (version === 'v' + VERSION) {    console.log('Already up-to-date!')    Deno.exit(0)  }
  const { install } = await import(`https://deno.land/x/aleph@${version}/install.ts`)  await install(version)}