Mini Shell

#!/usr/bin/bash

# called by dracut
install() {
    local _i

    # Fixme: would be nice if we didn't have to guess, which rules to grab....
    # ultimately, /lib/initramfs/rules.d or somesuch which includes links/copies
    # of the rules we want so that we just copy those in would be best
    inst_multiple udevadm cat uname blkid
    inst_dir /etc/udev
    inst_multiple -o /etc/udev/udev.conf

    [[ -d ${initdir}/$systemdutildir ]] || mkdir -p "${initdir}/$systemdutildir"
    for _i in "${systemdutildir}"/systemd-udevd "${udevdir}"/udevd /sbin/udevd; do
        [[ -x $dracutsysrootdir$_i ]] || continue
        inst "$_i"

        if ! [[ -f ${initdir}${systemdutildir}/systemd-udevd ]]; then
            ln -fs "$_i" "${initdir}${systemdutildir}"/systemd-udevd
        fi
        break
    done
    if ! [[ -e ${initdir}${systemdutildir}/systemd-udevd ]]; then
        derror "Cannot find [systemd-]udevd binary!"
        exit 1
    fi

    inst_rules \
        40-redhat.rules \
        50-firmware.rules \
        50-udev.rules \
        50-udev-default.rules \
        55-scsi-sg3_id.rules \
        58-scsi-sg3_symlink.rules \
        59-scsi-sg3_utils.rules \
        60-block.rules \
        60-cdrom_id.rules \
        60-pcmcia.rules \
        60-persistent-storage.rules \
        61-persistent-storage-edd.rules \
        64-btrfs.rules \
        70-uaccess.rules \
        71-seat.rules \
        73-seat-late.rules \
        75-net-description.rules \
        80-drivers.rules 95-udev-late.rules \
        80-net-name-slot.rules 80-net-setup-link.rules \
        95-late.rules \
        "$moddir/59-persistent-storage.rules" \
        "$moddir/61-persistent-storage.rules"

    prepare_udev_rules 59-persistent-storage.rules 61-persistent-storage.rules
    # debian udev rules
    inst_rules 91-permissions.rules
    # eudev rules
    inst_rules 80-drivers-modprobe.rules
    # legacy persistent network device name rules
    [[ $hostonly ]] && inst_rules 70-persistent-net.rules

    {
        for i in cdrom tape dialout floppy; do
            if ! grep -q "^$i:" "$initdir"/etc/group 2> /dev/null; then
                if ! grep "^$i:" "$dracutsysrootdir"/etc/group 2> /dev/null; then
                    case $i in
                        cdrom) echo "$i:x:11:" ;;
                        dialout) echo "$i:x:18:" ;;
                        floppy) echo "$i:x:19:" ;;
                        tape) echo "$i:x:33:" ;;
                    esac
                fi
            fi
        done
    } >> "$initdir/etc/group"

    inst_multiple -o \
        "${udevdir}"/ata_id \
        "${udevdir}"/cdrom_id \
        "${udevdir}"/create_floppy_devices \
        "${udevdir}"/edd_id \
        "${udevdir}"/firmware.sh \
        "${udevdir}"/firmware \
        "${udevdir}"/firmware.agent \
        "${udevdir}"/hotplug.functions \
        "${udevdir}"/fw_unit_symlinks.sh \
        "${udevdir}"/hid2hci \
        "${udevdir}"/path_id \
        "${udevdir}"/input_id \
        "${udevdir}"/scsi_id \
        "${udevdir}"/usb_id \
        "${udevdir}"/pcmcia-socket-startup \
        "${udevdir}"/pcmcia-check-broken-cis

    inst_multiple -o /etc/pcmcia/config.opts

    [[ -f $dracutsysrootdir/etc/arch-release ]] \
        && inst_script "$moddir/load-modules.sh" /lib/udev/load-modules.sh

    inst_libdir_file "libnss_files*"

}