archboot/usr/lib/initcpio/install/archboot_devicemapper

#!/usr/bin/env bash
# Created by Tobias Powalowski <tpowa@archlinux.org>

build ()
{
    add_checked_modules 'md/dm-*'
    apps="dmsetup dmeventd blkdeactivate dmstats"
     for i in $apps; do
        add_binary "$i"
    done
    add_dir "/dev/mapper"
    add_full_dir "/usr/lib/device-mapper"
    for i in /usr/lib/libdevmapper*; do
        add_file "$i"
    done
}

help ()
{
cat<<HELPEOF
  This hook includes devicemapper on an archboot image.
HELPEOF
}