core/btrfs-progs/initcpio-install-btrfs

#!/bin/sh

build() {
  add_module 'btrfs'
  add_binary 'btrfs'
  add_binary 'btrfsck'
  add_runscript
}

help() {
  cat << HELPEOF
This hook provides support for multi-device btrfs volumes. This hook
is only needed for initramfs images which do not use udev.
HELPEOF
}