mkinitcpio build hook for dm-integrity devices

sd-integrity

#!/bin/bash

build() {
    local mod

    add_module 'dm-integrity'
    add_module 'dm-bufio'
    add_module 'dm-mod'
    add_module 'async_xor'

    map add_udev_rule \
        '10-dm.rules' \
        '13-dm-disk.rules' \
        '95-dm-notify.rules' \
        '/usr/lib/initcpio/udev/11-dm-initramfs.rules'

    map add_systemd_unit 'integritysetup.target'

    map add_binary \
        '/usr/lib/systemd/system-generators/systemd-integritysetup-generator' \
        '/usr/lib/systemd/systemd-integritysetup'

    # integritysetup calls pthread_create(), which dlopen()s libgcc_s.so.1
    add_binary '/usr/lib/libgcc_s.so.1'


    [[ -f /etc/integritytab.initramfs ]] && add_file '/etc/integritytab.initramfs' '/etc/integritytab'
}

help() {
    cat <<HELPEOF
This hook allows for a dm-integrity root device with systemd initramfs.

See the manpage of systemd-integritysetup-generator(8) for available kernel
command line options. Alternatively, if the file /etc/integritytab.initramfs
exists, it will be added to the initramfs as /etc/integritytab. See the
integritytab(5) manpage for more information on integritytab syntax.
HELPEOF
}

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