These are the basic needed files and folders to build CachyOS system.

• Uses the same signature that normal repo and has no mirrors package to install.

sudo pacman -Syy

Install necessary packages

sudo pacman -S archiso mkinitcpio-archiso git squashfs-tools --needed

Clone:
git clone https://gitlab.com/cachyos/cachyos-archiso.git

cd cachyos-archiso

Run fix permissions script

sudo ./fix_permissions.sh

Build

sudo ./build.sh -v

The iso appears at out folder