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

buildiso

buildiso is used to build CachyOS ISO.

Arguments

$ ./buildiso.sh -h
Usage: buildiso [options]
    -c                 Disable clean work dir
    -r                 Disable building in RAM on systems with more than 23GB RAM
    -w                 Remove build directory (not the ISO) after ISO file is built
    -h                 This help
    -p <profile>       Buildset or profile [default: desktop]
    -v                 Verbose output to log file, show profile detail (-q)

• 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 grub --needed

Clone:

git clone https://github.com/cachyos/cachyos-live-iso.git cachyos-archiso
cd cachyos-archiso

Build

sudo ./buildiso.sh -p desktop -v -w

As the result iso appears at the out folder