message: Do not try to download binaries if set by env var
diff: @@ -141,6 +141,8 @@ export async function download(options: DownloadOptions): Promise<BinaryPaths> {
  )}, which points to ${chalk.underline(process.env[envVar])}`,
  )
  binaryPaths[binaryName][binaryPlatform] = path.resolve(process.env[envVar])
  + // no need to download, a custom binary was provided
  + return
  } else {
  debug(`Setting binary path for ${binaryName} ${binaryPlatform} to ${targetPath}`)
  binaryPaths[binaryName][binaryPlatform] = targetPath
  