a simple installer for arch linux that you can intergrate with archiso and make a desktop file foe it and its easy to rebran it will copy full /usr but you need only need to change grub distrubutor : "your distro name" and /etc/os-release in the installer + do not use the extra files only use the myinstaller.sh / and add it in /(archiso dictionarymostly config)/airootfs/usr/local/bin and make cd /(archiso dictionarymostly config)/airootfs/usr/local/bin then chmod +x myinstaller.sh