code: func chmodTarEntry(perm os.FileMode) os.FileMode {
  	//perm &= 0755 // this 0-ed out tar flags (like link, regular file, directory marker etc.)
  	permPart := perm & os.ModePerm
  	noPermPart := perm &^ os.ModePerm
  	// Add the x bit: make everything +x from windows
  	permPart |= 0111
  	permPart &= 0755
  
  	return noPermPart | permPart
  }
docs: // chmodTarEntry is used to adjust the file permissions used in tar header based
  // on the platform the archival is done.