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path: root/modules.d/91zipl/parse-zipl.sh
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#!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh

zipl_arg=$(getarg rd.zipl)

if [ -n "$zipl_arg" ]; then
    case "$zipl_arg" in
        LABEL=*)
            zipl_env="ENV{ID_FS_LABEL}"
            zipl_val=${zipl_arg#LABEL=}
            zipl_arg="$(label_uuid_to_dev "${zipl_val}")"
            ;;
        UUID=*)
            zipl_env="ENV{ID_FS_UUID}"
            zipl_val=${zipl_arg#UUID=}
            zipl_arg="$(label_uuid_to_dev "${zipl_val}")"
            ;;
        PARTLABEL=*)
            zipl_env="ENV{ID_FS_PARTLABEL}"
            zipl_val=${zipl_arg#PARTLABEL=}
            zipl_arg="$(label_uuid_to_dev "${zipl_val}")"
            ;;
        PARTUUID=*)
            zipl_env="ENV{ID_FS_PARTUUID}"
            zipl_val=${zipl_arg#PARTUUID=}
            zipl_arg="$(label_uuid_to_dev "${zipl_val}")"
            ;;
        /dev/mapper/*)
            zipl_env="ENV{DM_NAME}"
            zipl_val=${zipl_arg#/dev/mapper/}
            ;;
        /dev/disk/by-*)
            zipl_env="SYMLINK"
            zipl_val=${zipl_arg#/dev/}
            ;;
        /dev/*)
            zipl_env="KERNEL"
            zipl_val=${zipl_arg}
            ;;
    esac
    if [ "$zipl_env" ]; then
        {
            printf 'ACTION=="add|change", SUBSYSTEM=="block", %s=="%s", ENV{SYSTEMD_READY}!="0", RUN+="/sbin/initqueue --settled --onetime --unique --name install_zipl_cmdline /sbin/install_zipl_cmdline.sh %s"\n' \
                "${zipl_env}" "${zipl_val}" "${zipl_arg}"
            echo "[ -f /tmp/install.zipl.cmdline-done ]" > "$hookdir"/initqueue/finished/wait-zipl-conf.sh
        } >> /etc/udev/rules.d/99zipl-conf.rules
        cat /etc/udev/rules.d/99zipl-conf.rules
    fi
    wait_for_dev -n "$zipl_arg"
fi