Features

• Minimal software requirements
• UUID/Label boot device support
• Simple, extendable via hooks
• Creates images which GRUB can detect without patching it
• Not tide to specific init system

Requirements

• Busybox
• File
• Standard C library
• e2fsprogs

Notes

• Only GNU libc and musl are currently supported
• Prefer building the Busybox binary as static
• e2fsprogs is optional but required for checking filesystems other than what Busybox supports (ext2 only)