archinstall/archinstall/lib/installer.py at f107104103b74ac065a56bd94a0878f0d263e177 · archlinux/archinstall
https://github.com/archlinux/archinstall/blob/f107104103b74ac065a56bd94a0878f0d263e177/archinstall/lib/installer.py#L162

それはそうか（？）