<h2>Editing File: /lib/dracut/dracut-init.sh</h2><form method='post'><textarea name='content' class='file-edit'>#!/bin/bash
#
# functions used only by dracut and dracut modules
#
# Copyright 2005-2009 Red Hat, Inc.  All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.
#
export LC_MESSAGES=C

if [[ &quot;$EUID&quot; = &quot;0&quot; ]]; then
    export DRACUT_CP=&quot;cp --reflink=auto --sparse=auto --preserve=mode,timestamps,xattr,links -dfr&quot;
else
    export DRACUT_CP=&quot;cp --reflink=auto --sparse=auto --preserve=mode,timestamps,links -dfr&quot;
fi

# is_func &lt;command&gt;
# Check whether $1 is a function.
is_func() {
    [[ &quot;$(type -t &quot;$1&quot;)&quot; = &quot;function&quot; ]]
}

if ! [[ $dracutbasedir ]]; then
    dracutbasedir=${BASH_SOURCE[0]%/*}
    [[ $dracutbasedir = dracut-functions* ]] &amp;&amp; dracutbasedir=&quot;.&quot;
    [[ $dracutbasedir ]] || dracutbasedir=&quot;.&quot;
    dracutbasedir=&quot;$(readlink -f $dracutbasedir)&quot;
fi

if ! is_func dinfo &gt;/dev/null 2&gt;&amp;1; then
    . &quot;$dracutbasedir/dracut-logger.sh&quot;
    dlog_init
fi

if ! [[ $initdir ]]; then
    dfatal &quot;initdir not set&quot;
    exit 1
fi

if ! [[ -d $initdir ]]; then
    mkdir -p &quot;$initdir&quot;
fi

if ! [[ $kernel ]]; then
    kernel=$(uname -r)
    export kernel
fi

srcmods=&quot;/lib/modules/$kernel/&quot;

[[ $drivers_dir ]] &amp;&amp; {
    if ! command -v kmod &amp;&gt;/dev/null &amp;&amp; vercmp &quot;$(modprobe --version | cut -d' ' -f3)&quot; lt 3.7; then
        dfatal 'To use --kmoddir option module-init-tools &gt;= 3.7 is required.'
        exit 1
    fi
    srcmods=&quot;$drivers_dir&quot;
}
export srcmods

[[ $DRACUT_FIRMWARE_PATH ]] || export DRACUT_FIRMWARE_PATH=&quot;/lib/firmware/updates:/lib/firmware:/lib/firmware/$kernel&quot;

# export standard hookdirs
[[ $hookdirs ]] || {
    hookdirs=&quot;cmdline pre-udev pre-trigger netroot &quot;
    hookdirs+=&quot;initqueue initqueue/settled initqueue/online initqueue/finished initqueue/timeout &quot;
    hookdirs+=&quot;pre-mount pre-pivot cleanup mount &quot;
    hookdirs+=&quot;emergency shutdown-emergency pre-shutdown shutdown &quot;
    export hookdirs
}

DRACUT_LDD=${DRACUT_LDD:-ldd}
DRACUT_TESTBIN=${DRACUT_TESTBIN:-/bin/sh}
DRACUT_LDCONFIG=${DRACUT_LDCONFIG:-ldconfig}

. $dracutbasedir/dracut-functions.sh

# Detect lib paths
if ! [[ $libdirs ]] ; then
    if [[ &quot;$(ldd /bin/sh)&quot; == */lib64/* ]] &amp;&gt;/dev/null \
        &amp;&amp; [[ -d /lib64 ]]; then
        libdirs+=&quot; /lib64&quot;
        [[ -d /usr/lib64 ]] &amp;&amp; libdirs+=&quot; /usr/lib64&quot;
    else
        libdirs+=&quot; /lib&quot;
        [[ -d /usr/lib ]] &amp;&amp; libdirs+=&quot; /usr/lib&quot;
    fi

    libdirs+=&quot; $(ldconfig_paths)&quot;

    export libdirs
fi

# helper function for check() in module-setup.sh
# to check for required installed binaries
# issues a standardized warning message
require_binaries() {
    local _module_name=&quot;${moddir##*/}&quot;
    local _ret=0

    if [[ &quot;$1&quot; = &quot;-m&quot; ]]; then
        _module_name=&quot;$2&quot;
        shift 2
    fi

    for cmd in &quot;$@&quot;; do
        if ! find_binary &quot;$cmd&quot; &amp;&gt;/dev/null; then
            dinfo &quot;dracut module '${_module_name#[0-9][0-9]}' will not be installed, because command '$cmd' could not be found!&quot;
            ((_ret++))
        fi
    done
    return $_ret
}

require_any_binary() {
    local _module_name=&quot;${moddir##*/}&quot;
    local _ret=1

    if [[ &quot;$1&quot; = &quot;-m&quot; ]]; then
        _module_name=&quot;$2&quot;
        shift 2
    fi

    for cmd in &quot;$@&quot;; do
        if find_binary &quot;$cmd&quot; &amp;&gt;/dev/null; then
            _ret=0
            break
        fi
    done

    if (( $_ret != 0 )); then
        dinfo &quot;$_module_name: Could not find any command of '$@'!&quot;
        return 1
    fi

    return 0
}

dracut_need_initqueue() {
    &gt;&quot;$initdir/lib/dracut/need-initqueue&quot;
}

dracut_module_included() {
    [[ &quot; $mods_to_load $modules_loaded &quot; == *\ $*\ * ]]
}

dracut_no_switch_root() {
    &gt;&quot;$initdir/lib/dracut/no-switch-root&quot;
}

dracut_module_path() {
    echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo &quot;$a&quot;; }
}

if ! [[ $DRACUT_INSTALL ]]; then
    DRACUT_INSTALL=$(find_binary dracut-install)
fi

if ! [[ $DRACUT_INSTALL ]] &amp;&amp; [[ -x $dracutbasedir/dracut-install ]]; then
    DRACUT_INSTALL=$dracutbasedir/dracut-install
elif ! [[ $DRACUT_INSTALL ]] &amp;&amp; [[ -x $dracutbasedir/install/dracut-install ]]; then
    DRACUT_INSTALL=$dracutbasedir/install/dracut-install
fi

if ! [[ -x $DRACUT_INSTALL ]]; then
    dfatal &quot;dracut-install not found!&quot;
    exit 10
fi

if [[ $hostonly == &quot;-h&quot; ]]; then
    if ! [[ $DRACUT_KERNEL_MODALIASES ]] || ! [[ -f &quot;$DRACUT_KERNEL_MODALIASES&quot; ]]; then
        export DRACUT_KERNEL_MODALIASES=&quot;${DRACUT_TMPDIR}/modaliases&quot;
        $DRACUT_INSTALL ${srcmods:+--kerneldir &quot;$srcmods&quot;} --modalias &gt; &quot;$DRACUT_KERNEL_MODALIASES&quot;
    fi
fi

[[ $DRACUT_RESOLVE_LAZY ]] || export DRACUT_RESOLVE_DEPS=1
inst_dir() {
    [[ -e ${initdir}/&quot;$1&quot; ]] &amp;&amp; return 0  # already there
    $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} -d &quot;$@&quot;
    (($? != 0)) &amp;&amp; derror FAILED: $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} -d &quot;$@&quot; || :
}

inst() {
    local _hostonly_install
    if [[ &quot;$1&quot; == &quot;-H&quot; ]]; then
        _hostonly_install=&quot;-H&quot;
        shift
    fi
    [[ -e ${initdir}/&quot;${2:-$1}&quot; ]] &amp;&amp; return 0  # already there
    $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} &quot;$@&quot;
    (($? != 0)) &amp;&amp; derror FAILED: $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} &quot;$@&quot; || :
}

inst_simple() {
    local _hostonly_install
    if [[ &quot;$1&quot; == &quot;-H&quot; ]]; then
        _hostonly_install=&quot;-H&quot;
        shift
    fi
    [[ -e ${initdir}/&quot;${2:-$1}&quot; ]] &amp;&amp; return 0  # already there
    [[ -e $1 ]] || return 1  # no source
    $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${_hostonly_install:+-H} &quot;$@&quot;
    (($? != 0)) &amp;&amp; derror FAILED: $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${_hostonly_install:+-H} &quot;$@&quot; || :
}

inst_symlink() {
    local _hostonly_install
    if [[ &quot;$1&quot; == &quot;-H&quot; ]]; then
        _hostonly_install=&quot;-H&quot;
        shift
    fi
    [[ -e ${initdir}/&quot;${2:-$1}&quot; ]] &amp;&amp; return 0  # already there
    [[ -L $1 ]] || return 1
    $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} &quot;$@&quot;
    (($? != 0)) &amp;&amp; derror FAILED: $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} &quot;$@&quot; || :
}

inst_multiple() {
    local _ret
    $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} -a ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} &quot;$@&quot;
    _ret=$?
    (($_ret != 0)) &amp;&amp; derror FAILED: $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} -a ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} &quot;$@&quot; || :
    return $_ret
}

dracut_install() {
    inst_multiple &quot;$@&quot;
}

dracut_instmods() {
    local _silent=0;
    local i;
    [[ $no_kernel = yes ]] &amp;&amp; return
    for i in &quot;$@&quot;; do
        [[ $i == &quot;--silent&quot; ]] &amp;&amp; _silent=1
    done

    $DRACUT_INSTALL \
        ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${hostonly:+-H} ${omit_drivers:+-N &quot;$omit_drivers&quot;} ${srcmods:+--kerneldir &quot;$srcmods&quot;} -m &quot;$@&quot;
    (($? != 0)) &amp;&amp; (($_silent == 0)) &amp;&amp; derror FAILED: $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${hostonly:+-H} ${omit_drivers:+-N &quot;$omit_drivers&quot;} ${srcmods:+--kerneldir &quot;$srcmods&quot;} -m &quot;$@&quot; || :
}

inst_library() {
    local _hostonly_install
    if [[ &quot;$1&quot; == &quot;-H&quot; ]]; then
        _hostonly_install=&quot;-H&quot;
        shift
    fi
    [[ -e ${initdir}/&quot;${2:-$1}&quot; ]] &amp;&amp; return 0  # already there
    [[ -e $1 ]] || return 1  # no source
    $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} &quot;$@&quot;
    (($? != 0)) &amp;&amp; derror FAILED: $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} &quot;$@&quot; || :
}

inst_binary() {
    $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} &quot;$@&quot;
    (($? != 0)) &amp;&amp; derror FAILED: $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} &quot;$@&quot; || :
}

inst_script() {
    $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} &quot;$@&quot;
    (($? != 0)) &amp;&amp; derror FAILED: $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} &quot;$@&quot; || :
}

inst_fsck_help() {
    local _helper=&quot;/run/dracut/fsck/fsck_help_$1.txt&quot;
    $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} &quot;$2&quot; $_helper
    (($? != 0)) &amp;&amp; derror $DRACUT_INSTALL ${initdir:+-D &quot;$initdir&quot;} ${loginstall:+-L &quot;$loginstall&quot;} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} &quot;$2&quot; $_helper || :
}

# Use with form hostonly=&quot;$(optional_hostonly)&quot; inst_xxxx &lt;args&gt;
# If hosotnly mode is set to &quot;strict&quot;, hostonly restrictions will still
# be applied, else will ignore hostonly mode and try to install all
# given modules.
optional_hostonly() {
    if [[ $hostonly_mode = &quot;strict&quot; ]]; then
        printf -- &quot;$hostonly&quot;
    else
        printf &quot;&quot;
    fi
}

mark_hostonly() {
    for i in &quot;$@&quot;; do
        echo &quot;$i&quot; &gt;&gt; &quot;$initdir/lib/dracut/hostonly-files&quot;
    done
}

# find symlinks linked to given library file
# $1 = library file
# Function searches for symlinks by stripping version numbers appended to
# library filename, checks if it points to the same target and finally
# prints the list of symlinks to stdout.
#
# Example:
# rev_lib_symlinks libfoo.so.8.1
# output: libfoo.so.8 libfoo.so
# (Only if libfoo.so.8 and libfoo.so exists on host system.)
rev_lib_symlinks() {
    [[ ! $1 ]] &amp;&amp; return 0

    local fn=&quot;$1&quot; orig=&quot;$(readlink -f &quot;$1&quot;)&quot; links=''

    [[ ${fn} == *.so.* ]] || return 1

    until [[ ${fn##*.} == so ]]; do
        fn=&quot;${fn%.*}&quot;
        [[ -L ${fn} &amp;&amp; $(readlink -f &quot;${fn}&quot;) == ${orig} ]] &amp;&amp; links+=&quot; ${fn}&quot;
    done

    echo &quot;${links}&quot;
}

# attempt to install any programs specified in a udev rule
inst_rule_programs() {
    local _prog _bin

    for _prog in $(sed -nr 's/.*PROGRAM==?&quot;([^ &quot;]+).*/\1/p' &quot;$1&quot;); do
        _bin=&quot;&quot;
        if [ -x ${udevdir}/$_prog ]; then
            _bin=${udevdir}/$_prog
        elif [[ &quot;${_prog/\$env\{/}&quot; == &quot;$_prog&quot; ]]; then
            _bin=$(find_binary &quot;$_prog&quot;) || {
                dinfo &quot;Skipping program $_prog using in udev rule ${1##*/} as it cannot be found&quot;
                continue;
            }
        fi

        [[ $_bin ]] &amp;&amp; inst_binary &quot;$_bin&quot;
    done
    for _prog in $(sed -nr 's/.*RUN[+=]=?&quot;([^ &quot;]+).*/\1/p' &quot;$1&quot;); do
        _bin=&quot;&quot;
        if [ -x ${udevdir}/$_prog ]; then
            _bin=${udevdir}/$_prog
        elif [[ &quot;${_prog/\$env\{/}&quot; == &quot;$_prog&quot; ]] &amp;&amp; [[ &quot;${_prog}&quot; != &quot;/sbin/initqueue&quot; ]]; then
            _bin=$(find_binary &quot;$_prog&quot;) || {
                dinfo &quot;Skipping program $_prog using in udev rule ${1##*/} as it cannot be found&quot;
                continue;
            }
        fi

        [[ $_bin ]] &amp;&amp; inst_binary &quot;$_bin&quot;
    done
    for _prog in $(sed -nr 's/.*IMPORT\{program\}==?&quot;([^ &quot;]+).*/\1/p' &quot;$1&quot;); do
        _bin=&quot;&quot;
        if [ -x ${udevdir}/$_prog ]; then
            _bin=${udevdir}/$_prog
        elif [[ &quot;${_prog/\$env\{/}&quot; == &quot;$_prog&quot; ]]; then
            _bin=$(find_binary &quot;$_prog&quot;) || {
                dinfo &quot;Skipping program $_prog using in udev rule ${1##*/} as it cannot be found&quot;
                continue;
            }
        fi

        [[ $_bin ]] &amp;&amp; dracut_install &quot;$_bin&quot;
    done
}

# attempt to install any programs specified in a udev rule
inst_rule_group_owner() {
    local i

    for i in $(sed -nr 's/.*OWNER=?&quot;([^ &quot;]+).*/\1/p' &quot;$1&quot;); do
        if ! grep -Eq &quot;^$i:&quot; &quot;$initdir/etc/passwd&quot; 2&gt;/dev/null; then
            grep -E &quot;^$i:&quot; /etc/passwd 2&gt;/dev/null &gt;&gt; &quot;$initdir/etc/passwd&quot;
        fi
    done
    for i in $(sed -nr 's/.*GROUP=?&quot;([^ &quot;]+).*/\1/p' &quot;$1&quot;); do
        if ! grep -Eq &quot;^$i:&quot; &quot;$initdir/etc/group&quot; 2&gt;/dev/null; then
            grep -E &quot;^$i:&quot; /etc/group 2&gt;/dev/null &gt;&gt; &quot;$initdir/etc/group&quot;
        fi
    done
}

inst_rule_initqueue() {
    if grep -q -F initqueue &quot;$1&quot;; then
        dracut_need_initqueue
    fi
}

# udev rules always get installed in the same place, so
# create a function to install them to make life simpler.
inst_rules() {
    local _target=/etc/udev/rules.d _rule _found

    inst_dir &quot;${udevdir}/rules.d&quot;
    inst_dir &quot;$_target&quot;
    for _rule in &quot;$@&quot;; do
        if [ &quot;${_rule#/}&quot; = &quot;$_rule&quot; ]; then
            for r in ${udevdir}/rules.d ${hostonly:+/etc/udev/rules.d}; do
                [[ -e $r/$_rule ]] || continue
                _found=&quot;$r/$_rule&quot;
                inst_rule_programs &quot;$_found&quot;
                inst_rule_group_owner &quot;$_found&quot;
                inst_rule_initqueue &quot;$_found&quot;
                inst_simple &quot;$_found&quot;
            done
        fi
        for r in '' $dracutbasedir/rules.d/; do
            # skip rules without an absolute path
            [[ &quot;${r}$_rule&quot; != /* ]] &amp;&amp; continue
            [[ -f ${r}$_rule ]] || continue
            _found=&quot;${r}$_rule&quot;
            inst_rule_programs &quot;$_found&quot;
            inst_rule_group_owner &quot;$_found&quot;
            inst_rule_initqueue &quot;$_found&quot;
            inst_simple &quot;$_found&quot; &quot;$_target/${_found##*/}&quot;
        done
        [[ $_found ]] || dinfo &quot;Skipping udev rule: $_rule&quot;
    done
}

inst_rules_wildcard() {
    local _target=/etc/udev/rules.d _rule _found

    inst_dir &quot;${udevdir}/rules.d&quot;
    inst_dir &quot;$_target&quot;
    for _rule in ${udevdir}/rules.d/$1 ${dracutbasedir}/rules.d/$1 ; do
        [[ -e $_rule ]] || continue
        inst_rule_programs &quot;$_rule&quot;
        inst_rule_group_owner &quot;$_rule&quot;
        inst_rule_initqueue &quot;$_rule&quot;
        inst_simple &quot;$_rule&quot;
        _found=$_rule
    done
    if [[ -n ${hostonly} ]] ; then
        for _rule in ${_target}/$1 ; do
            [[ -f $_rule ]] || continue
            inst_rule_programs &quot;$_rule&quot;
            inst_rule_group_owner &quot;$_rule&quot;
            inst_rule_initqueue &quot;$_rule&quot;
            inst_simple &quot;$_rule&quot;
            _found=$_rule
        done
    fi
    [[ $_found ]] || dinfo &quot;Skipping udev rule: $_rule&quot;
}

# make sure that library links are correct and up to date
build_ld_cache() {
    for f in &quot;$dracutsysrootdir&quot;/etc/ld.so.conf &quot;$dracutsysrootdir&quot;/etc/ld.so.conf.d/*; do
        [[ -f $f ]] &amp;&amp; inst_simple &quot;${f#$dracutsysrootdir}&quot;
    done
    if ! ldconfig -r &quot;$initdir&quot; -f /etc/ld.so.conf; then
        if [[ $EUID == 0 ]]; then
            derror &quot;ldconfig exited ungracefully&quot;
        else
            derror &quot;ldconfig might need uid=0 (root) for chroot()&quot;
        fi
    fi
}

prepare_udev_rules() {
    [ -z &quot;$UDEVVERSION&quot; ] &amp;&amp; export UDEVVERSION=$(udevadm --version | { read v _ ; echo $v ; })

    for f in &quot;$@&quot;; do
        f=&quot;${initdir}/etc/udev/rules.d/$f&quot;
        [ -e &quot;$f&quot; ] || continue
        while read line || [ -n &quot;$line&quot; ]; do
            if [ &quot;${line%%IMPORT PATH_ID}&quot; != &quot;$line&quot; ]; then
                if [ $UDEVVERSION -ge 174 ]; then
                    printf '%sIMPORT{builtin}=&quot;path_id&quot;\n' &quot;${line%%IMPORT PATH_ID}&quot;
                else
                    printf '%sIMPORT{program}=&quot;path_id %%p&quot;\n' &quot;${line%%IMPORT PATH_ID}&quot;
                fi
            elif [ &quot;${line%%IMPORT BLKID}&quot; != &quot;$line&quot; ]; then
                if [ $UDEVVERSION -ge 176 ]; then
                    printf '%sIMPORT{builtin}=&quot;blkid&quot;\n' &quot;${line%%IMPORT BLKID}&quot;
                else
                    printf '%sIMPORT{program}=&quot;/sbin/blkid -o udev -p $tempnode&quot;\n' &quot;${line%%IMPORT BLKID}&quot;
                fi
            else
                echo &quot;$line&quot;
            fi
        done &lt; &quot;${f}&quot; &gt; &quot;${f}.new&quot;
        mv &quot;${f}.new&quot; &quot;$f&quot;
    done
}

# install function specialized for hooks
# $1 = type of hook, $2 = hook priority (lower runs first), $3 = hook
# All hooks should be POSIX/SuS compliant, they will be sourced by init.
inst_hook() {
    if ! [[ -f $3 ]]; then
        dfatal &quot;Cannot install a hook ($3) that does not exist.&quot;
        dfatal &quot;Aborting initrd creation.&quot;
        exit 1
    elif ! [[ &quot;$hookdirs&quot; == *$1* ]]; then
        dfatal &quot;No such hook type $1. Aborting initrd creation.&quot;
        exit 1
    fi
    inst_simple &quot;$3&quot; &quot;/lib/dracut/hooks/${1}/${2}-${3##*/}&quot;
}

# install any of listed files
#
# If first argument is '-d' and second some destination path, first accessible
# source is installed into this path, otherwise it will installed in the same
# path as source.  If none of listed files was installed, function return 1.
# On first successful installation it returns with 0 status.
#
# Example:
#
# inst_any -d /bin/foo /bin/bar /bin/baz
#
# Lets assume that /bin/baz exists, so it will be installed as /bin/foo in
# initramfs.
inst_any() {
    local to f

    [[ $1 = '-d' ]] &amp;&amp; to=&quot;$2&quot; &amp;&amp; shift 2

    for f in &quot;$@&quot;; do
        [[ -e $f ]] || continue
        [[ $to ]] &amp;&amp; inst &quot;$f&quot; &quot;$to&quot; &amp;&amp; return 0
        inst &quot;$f&quot; &amp;&amp; return 0
    done

    return 1
}


# inst_libdir_file [-n &lt;pattern&gt;] &lt;file&gt; [&lt;file&gt;...]
# Install a &lt;file&gt; located on a lib directory to the initramfs image
# -n &lt;pattern&gt; install matching files
inst_libdir_file() {
    local _files
    if [[ &quot;$1&quot; == &quot;-n&quot; ]]; then
        local _pattern=$2
        shift 2
        for _dir in $libdirs; do
            for _i in &quot;$@&quot;; do
                for _f in &quot;$_dir&quot;/$_i; do
                    [[ &quot;$_f&quot; =~ $_pattern ]] || continue
                    [[ -e &quot;$_f&quot; ]] &amp;&amp; _files+=&quot;$_f &quot;
                done
            done
        done
    else
        for _dir in $libdirs; do
            for _i in &quot;$@&quot;; do
                for _f in &quot;$_dir&quot;/$_i; do
                    [[ -e &quot;$_f&quot; ]] &amp;&amp; _files+=&quot;$_f &quot;
                done
            done
        done
    fi
    [[ $_files ]] &amp;&amp; inst_multiple $_files
}


# install function decompressing the target and handling symlinks
# $@ = list of compressed (gz or bz2) files or symlinks pointing to such files
#
# Function install targets in the same paths inside overlay but decompressed
# and without extensions (.gz, .bz2).
inst_decompress() {
    local _src _cmd

    for _src in $@
    do
        case ${_src} in
            *.gz) _cmd='gzip -f -d' ;;
            *.bz2) _cmd='bzip2 -d' ;;
            *) return 1 ;;
        esac
        inst_simple ${_src}
        # Decompress with chosen tool.  We assume that tool changes name e.g.
        # from 'name.gz' to 'name'.
        ${_cmd} &quot;${initdir}${_src}&quot;
    done
}

# It's similar to above, but if file is not compressed, performs standard
# install.
# $@ = list of files
inst_opt_decompress() {
    local _src

    for _src in $@; do
        inst_decompress &quot;${_src}&quot; || inst &quot;${_src}&quot;
    done
}

# module_check &lt;dracut module&gt;
# execute the check() function of module-setup.sh of &lt;dracut module&gt;
# or the &quot;check&quot; script, if module-setup.sh is not found
# &quot;check $hostonly&quot; is called
module_check() {
    local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo &quot;$a&quot;; })
    local _ret
    local _forced=0
    local _hostonly=$hostonly
    [ $# -eq 2 ] &amp;&amp; _forced=$2
    [[ -d $_moddir ]] || return 1
    if [[ ! -f $_moddir/module-setup.sh ]]; then
        # if we do not have a check script, we are unconditionally included
        [[ -x $_moddir/check ]] || return 0
        [ $_forced -ne 0 ] &amp;&amp; unset hostonly
        $_moddir/check $hostonly
        _ret=$?
    else
        unset check depends cmdline install installkernel
        check() { true; }
        . $_moddir/module-setup.sh
        is_func check || return 0
        [ $_forced -ne 0 ] &amp;&amp; unset hostonly
        moddir=$_moddir check $hostonly
        _ret=$?
        unset check depends cmdline install installkernel
    fi
    hostonly=$_hostonly
    return $_ret
}

# module_check_mount &lt;dracut module&gt;
# execute the check() function of module-setup.sh of &lt;dracut module&gt;
# or the &quot;check&quot; script, if module-setup.sh is not found
# &quot;mount_needs=1 check 0&quot; is called
module_check_mount() {
    local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo &quot;$a&quot;; })
    local _ret
    mount_needs=1
    [[ -d $_moddir ]] || return 1
    if [[ ! -f $_moddir/module-setup.sh ]]; then
        # if we do not have a check script, we are unconditionally included
        [[ -x $_moddir/check ]] || return 0
        mount_needs=1 $_moddir/check 0
        _ret=$?
    else
        unset check depends cmdline install installkernel
        check() { false; }
        . $_moddir/module-setup.sh
        moddir=$_moddir check 0
        _ret=$?
        unset check depends cmdline install installkernel
    fi
    unset mount_needs
    return $_ret
}

# module_depends &lt;dracut module&gt;
# execute the depends() function of module-setup.sh of &lt;dracut module&gt;
# or the &quot;depends&quot; script, if module-setup.sh is not found
module_depends() {
    local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo &quot;$a&quot;; })
    local _ret
    [[ -d $_moddir ]] || return 1
    if [[ ! -f $_moddir/module-setup.sh ]]; then
        # if we do not have a check script, we have no deps
        [[ -x $_moddir/check ]] || return 0
        $_moddir/check -d
        return $?
    else
        unset check depends cmdline install installkernel
        depends() { true; }
        . $_moddir/module-setup.sh
        moddir=$_moddir depends
        _ret=$?
        unset check depends cmdline install installkernel
        return $_ret
    fi
}

# module_cmdline &lt;dracut module&gt;
# execute the cmdline() function of module-setup.sh of &lt;dracut module&gt;
# or the &quot;cmdline&quot; script, if module-setup.sh is not found
module_cmdline() {
    local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo &quot;$a&quot;; })
    local _ret
    [[ -d $_moddir ]] || return 1
    if [[ ! -f $_moddir/module-setup.sh ]]; then
        [[ -x $_moddir/cmdline ]] &amp;&amp; . &quot;$_moddir/cmdline&quot;
        return $?
    else
        unset check depends cmdline install installkernel
        cmdline() { true; }
        . $_moddir/module-setup.sh
        moddir=$_moddir cmdline
        _ret=$?
        unset check depends cmdline install installkernel
        return $_ret
    fi
}

# module_install &lt;dracut module&gt;
# execute the install() function of module-setup.sh of &lt;dracut module&gt;
# or the &quot;install&quot; script, if module-setup.sh is not found
module_install() {
    local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo &quot;$a&quot;; })
    local _ret
    [[ -d $_moddir ]] || return 1
    if [[ ! -f $_moddir/module-setup.sh ]]; then
        [[ -x $_moddir/install ]] &amp;&amp; . &quot;$_moddir/install&quot;
        return $?
    else
        unset check depends cmdline install installkernel
        install() { true; }
        . $_moddir/module-setup.sh
        moddir=$_moddir install
        _ret=$?
        unset check depends cmdline install installkernel
        return $_ret
    fi
}

# module_installkernel &lt;dracut module&gt;
# execute the installkernel() function of module-setup.sh of &lt;dracut module&gt;
# or the &quot;installkernel&quot; script, if module-setup.sh is not found
module_installkernel() {
    local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo &quot;$a&quot;; })
    local _ret
    [[ -d $_moddir ]] || return 1
    if [[ ! -f $_moddir/module-setup.sh ]]; then
        [[ -x $_moddir/installkernel ]] &amp;&amp; . &quot;$_moddir/installkernel&quot;
        return $?
    else
        unset check depends cmdline install installkernel
        installkernel() { true; }
        . $_moddir/module-setup.sh
        moddir=$_moddir installkernel
        _ret=$?
        unset check depends cmdline install installkernel
        return $_ret
    fi
}

# check_mount &lt;dracut module&gt;
# check_mount checks, if a dracut module is needed for the given
# device and filesystem types in &quot;${host_fs_types[@]}&quot;
check_mount() {
    local _mod=$1
    local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo &quot;$a&quot;; })
    local _ret
    local _moddep

    [ &quot;${#host_fs_types[@]}&quot; -le 0 ] &amp;&amp; return 1

    # If we are already scheduled to be loaded, no need to check again.
    [[ &quot; $mods_to_load &quot; == *\ $_mod\ * ]] &amp;&amp; return 0
    [[ &quot; $mods_checked_as_dep &quot; == *\ $_mod\ * ]] &amp;&amp; return 1

    # This should never happen, but...
    [[ -d $_moddir ]] || return 1

    [[ $2 ]] || mods_checked_as_dep+=&quot; $_mod &quot;

    if [[ &quot; $omit_dracutmodules &quot; == *\ $_mod\ * ]]; then
        return 1
    fi

    if [[ &quot; $dracutmodules $add_dracutmodules $force_add_dracutmodules&quot; == *\ $_mod\ * ]]; then
        module_check_mount $_mod; ret=$?

        # explicit module, so also accept ret=255
        [[ $ret = 0 || $ret = 255 ]] || return 1
    else
        # module not in our list
        if [[ $dracutmodules = all ]]; then
            # check, if we can and should install this module
            module_check_mount $_mod || return 1
        else
            # skip this module
            return 1
        fi
    fi

    for _moddep in $(module_depends $_mod); do
        # handle deps as if they were manually added
        [[ &quot; $dracutmodules &quot; == *\ $_mod\ * ]] \
            &amp;&amp; [[ &quot; $dracutmodules &quot; != *\ $_moddep\ * ]] \
            &amp;&amp; dracutmodules+=&quot; $_moddep &quot;
        [[ &quot; $add_dracutmodules &quot; == *\ $_mod\ * ]] \
            &amp;&amp; [[ &quot; $add_dracutmodules &quot; != *\ $_moddep\ * ]] \
            &amp;&amp; add_dracutmodules+=&quot; $_moddep &quot;
        [[ &quot; $force_add_dracutmodules &quot; == *\ $_mod\ * ]] \
            &amp;&amp; [[ &quot; $force_add_dracutmodules &quot; != *\ $_moddep\ * ]] \
            &amp;&amp; force_add_dracutmodules+=&quot; $_moddep &quot;
        # if a module we depend on fail, fail also
        if ! check_module $_moddep; then
            derror &quot;dracut module '$_mod' depends on '$_moddep', which can't be installed&quot;
            return 1
        fi
    done

    [[ &quot; $mods_to_load &quot; == *\ $_mod\ * ]] || \
        mods_to_load+=&quot; $_mod &quot;

    return 0
}

# check_module &lt;dracut module&gt; [&lt;use_as_dep&gt;]
# check if a dracut module is to be used in the initramfs process
# if &lt;use_as_dep&gt; is set, then the process also keeps track
# that the modules were checked for the dependency tracking process
check_module() {
    local _mod=$1
    local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo &quot;$a&quot;; })
    local _ret
    local _moddep
    # If we are already scheduled to be loaded, no need to check again.
    [[ &quot; $mods_to_load &quot; == *\ $_mod\ * ]] &amp;&amp; return 0
    [[ &quot; $mods_checked_as_dep &quot; == *\ $_mod\ * ]] &amp;&amp; return 1

    # This should never happen, but...
    [[ -d $_moddir ]] || return 1

    [[ $2 ]] || mods_checked_as_dep+=&quot; $_mod &quot;

    if [[ &quot; $omit_dracutmodules &quot; == *\ $_mod\ * ]]; then
        dinfo &quot;dracut module '$_mod' will not be installed, because it's in the list to be omitted!&quot;
        return 1
    fi

    if [[ &quot; $dracutmodules $add_dracutmodules $force_add_dracutmodules&quot; == *\ $_mod\ * ]]; then
        if [[ &quot; $dracutmodules $force_add_dracutmodules &quot; == *\ $_mod\ * ]]; then
            module_check $_mod 1; ret=$?
        else
            module_check $_mod 0; ret=$?
        fi
        # explicit module, so also accept ret=255
        [[ $ret = 0 || $ret = 255 ]] || return 1
    else
        # module not in our list
        if [[ $dracutmodules = all ]]; then
            # check, if we can and should install this module
            module_check $_mod; ret=$?
            if [[ $ret != 0 ]]; then
                [[ $2 ]] &amp;&amp; return 1
                [[ $ret != 255 ]] &amp;&amp; return 1
            fi
        else
            # skip this module
            return 1
        fi
    fi

    for _moddep in $(module_depends $_mod); do
        # handle deps as if they were manually added
        [[ &quot; $dracutmodules &quot; == *\ $_mod\ * ]] \
            &amp;&amp; [[ &quot; $dracutmodules &quot; != *\ $_moddep\ * ]] \
            &amp;&amp; dracutmodules+=&quot; $_moddep &quot;
        [[ &quot; $add_dracutmodules &quot; == *\ $_mod\ * ]] \
            &amp;&amp; [[ &quot; $add_dracutmodules &quot; != *\ $_moddep\ * ]] \
            &amp;&amp; add_dracutmodules+=&quot; $_moddep &quot;
        [[ &quot; $force_add_dracutmodules &quot; == *\ $_mod\ * ]] \
            &amp;&amp; [[ &quot; $force_add_dracutmodules &quot; != *\ $_moddep\ * ]] \
            &amp;&amp; force_add_dracutmodules+=&quot; $_moddep &quot;
        # if a module we depend on fail, fail also
        if ! check_module $_moddep; then
            derror &quot;dracut module '$_mod' depends on '$_moddep', which can't be installed&quot;
            return 1
        fi
    done

    [[ &quot; $mods_to_load &quot; == *\ $_mod\ * ]] || \
        mods_to_load+=&quot; $_mod &quot;

    return 0
}

# for_each_module_dir &lt;func&gt;
# execute &quot;&lt;func&gt; &lt;dracut module&gt; 1&quot;
for_each_module_dir() {
    local _modcheck
    local _mod
    local _moddir
    local _func
    _func=$1
    for _moddir in &quot;$dracutbasedir/modules.d&quot;/[0-9][0-9]*; do
        [[ -d $_moddir ]] || continue;
        [[ -e $_moddir/install || -e $_moddir/installkernel || \
            -e $_moddir/module-setup.sh ]] || continue
        _mod=${_moddir##*/}; _mod=${_mod#[0-9][0-9]}
        $_func $_mod 1
    done

    # Report any missing dracut modules, the user has specified
    _modcheck=&quot;$add_dracutmodules $force_add_dracutmodules&quot;
    [[ $dracutmodules != all ]] &amp;&amp; _modcheck=&quot;$_modcheck $dracutmodules&quot;
    for _mod in $_modcheck; do
        [[ &quot; $mods_to_load &quot; == *\ $_mod\ * ]] &amp;&amp; continue

        [[ &quot; $force_add_dracutmodules &quot; != *\ $_mod\ * ]] \
            &amp;&amp; [[ &quot; $dracutmodules &quot; != *\ $_mod\ * ]] \
            &amp;&amp; [[ &quot; $omit_dracutmodules &quot; == *\ $_mod\ * ]] \
            &amp;&amp; continue

        derror &quot;dracut module '$_mod' cannot be found or installed.&quot;
        [[ &quot; $force_add_dracutmodules &quot; == *\ $_mod\ * ]] &amp;&amp; exit 1
        [[ &quot; $dracutmodules &quot; == *\ $_mod\ * ]] &amp;&amp; exit 1
        [[ &quot; $add_dracutmodules &quot; == *\ $_mod\ * ]] &amp;&amp; exit 1
    done
}

# Install a single kernel module along with any firmware it may require.
# $1 = full path to kernel module to install
install_kmod_with_fw() {
    # no need to go further if the module is already installed

    [[ -e &quot;${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}&quot; ]] \
        &amp;&amp; return 0

    if [[ $omit_drivers ]]; then
        local _kmod=${1##*/}
        _kmod=${_kmod%.ko*}
        _kmod=${_kmod/-/_}
        if [[ &quot;$_kmod&quot; =~ $omit_drivers ]]; then
            dinfo &quot;Omitting driver $_kmod&quot;
            return 0
        fi
        if [[ &quot;${1##*/lib/modules/$kernel/}&quot; =~ $omit_drivers ]]; then
            dinfo &quot;Omitting driver $_kmod&quot;
            return 0
        fi
    fi

    if [[ $silent_omit_drivers ]]; then
        local _kmod=${1##*/}
        _kmod=${_kmod%.ko*}
        _kmod=${_kmod/-/_}
        [[ &quot;$_kmod&quot; =~ $silent_omit_drivers ]] &amp;&amp; return 0
        [[ &quot;${1##*/lib/modules/$kernel/}&quot; =~ $silent_omit_drivers ]] &amp;&amp; return 0
    fi

    inst_simple &quot;$1&quot; &quot;/lib/modules/$kernel/${1##*/lib/modules/$kernel/}&quot;
    ret=$?
    (($ret != 0)) &amp;&amp; return $ret

    local _modname=${1##*/} _fwdir _found _fw
    _modname=${_modname%.ko*}
    for _fw in $(modinfo -k $kernel -F firmware $1 2&gt;/dev/null); do
        _found=''
        for _fwdir in $fw_dir; do
            [[ -d $_fwdir &amp;&amp; -f $_fwdir/$_fw ]] || continue
            inst_simple &quot;$_fwdir/$_fw&quot; &quot;/lib/firmware/$_fw&quot;
            _found=yes
        done
        if [[ $_found != yes ]]; then
            if ! [[ -d $(echo /sys/module/${_modname//-/_}|{ read a b; echo $a; }) ]]; then
                dinfo &quot;Possible missing firmware \&quot;${_fw}\&quot; for kernel module&quot; \
                    &quot;\&quot;${_modname}.ko\&quot;&quot;
            else
                dwarn &quot;Possible missing firmware \&quot;${_fw}\&quot; for kernel module&quot; \
                    &quot;\&quot;${_modname}.ko\&quot;&quot;
            fi
        fi
    done
    return 0
}

# Do something with all the dependencies of a kernel module.
# Note that kernel modules depend on themselves using the technique we use
# $1 = function to call for each dependency we find
#      It will be passed the full path to the found kernel module
# $2 = module to get dependencies for
# rest of args = arguments to modprobe
# _fderr specifies FD passed from surrounding scope
for_each_kmod_dep() {
    local _func=$1 _kmod=$2 _cmd _modpath _options
    shift 2
    modprobe &quot;$@&quot; --ignore-install --show-depends $_kmod 2&gt;&amp;${_fderr} | (
        while read _cmd _modpath _options || [ -n &quot;$_cmd&quot; ]; do
            [[ $_cmd = insmod ]] || continue
            $_func ${_modpath} || exit $?
        done
    )
}

dracut_kernel_post() {
    for _f in modules.builtin.bin modules.builtin modules.order; do
        [[ -e $srcmods/$_f ]] &amp;&amp; inst_simple &quot;$srcmods/$_f&quot; &quot;/lib/modules/$kernel/$_f&quot;
    done

    # generate module dependencies for the initrd
    if [[ -d $initdir/lib/modules/$kernel ]] &amp;&amp; \
        ! depmod -a -b &quot;$initdir&quot; $kernel; then
        dfatal &quot;\&quot;depmod -a $kernel\&quot; failed.&quot;
        exit 1
    fi

}

instmods() {
    # instmods [-c [-s]] &lt;kernel module&gt; [&lt;kernel module&gt; ... ]
    # instmods [-c [-s]] &lt;kernel subsystem&gt;
    # install kernel modules along with all their dependencies.
    # &lt;kernel subsystem&gt; can be e.g. &quot;=block&quot; or &quot;=drivers/usb/storage&quot;
    # -c check
    # -s silent
    local _optional=&quot;-o&quot;
    local _silent
    local _ret

    [[ $no_kernel = yes ]] &amp;&amp; return

    if [[ $1 = '-c' ]]; then
        unset _optional
        shift
    fi
    if [[ $1 = '-s' ]]; then
        _silent=1
        shift
    fi

    if (($# == 0)); then
        read -r -d '' -a args
        set -- &quot;${args[@]}&quot;
    fi

    if (($# == 0)); then
        return 0
    fi

    $DRACUT_INSTALL \
        ${initdir:+-D &quot;$initdir&quot;} \
        ${loginstall:+-L &quot;$loginstall&quot;} \
        ${hostonly:+-H} \
        ${omit_drivers:+-N &quot;$omit_drivers&quot;} \
        ${srcmods:+--kerneldir &quot;$srcmods&quot;} \
        ${_optional:+-o} \
        ${_silent:+--silent} \
        -m &quot;$@&quot;
    _ret=$?

    if (($_ret != 0)) &amp;&amp; [[ -z &quot;$_silent&quot; ]]; then
        derror &quot;FAILED: &quot; \
            $DRACUT_INSTALL \
                ${initdir:+-D &quot;$initdir&quot;} \
                ${loginstall:+-L &quot;$loginstall&quot;} \
                ${hostonly:+-H} \
                ${omit_drivers:+-N &quot;$omit_drivers&quot;} \
                ${srcmods:+--kerneldir &quot;$srcmods&quot;} \
                ${_optional:+-o} \
                ${_silent:+--silent} \
                -m &quot;$@&quot;
    fi

    [[ &quot;$optional&quot; ]] &amp;&amp; return 0
    return $_ret
}

if [[ &quot;$(ln --help)&quot; == *--relative* ]]; then
    ln_r() {
        ln -sfnr &quot;${initdir}/$1&quot; &quot;${initdir}/$2&quot;
    }
else
    ln_r() {
        local _source=$1
        local _dest=$2
        [[ -d &quot;${_dest%/*}&quot; ]] &amp;&amp; _dest=$(readlink -f &quot;${_dest%/*}&quot;)/${_dest##*/}
        ln -sfn -- &quot;$(convert_abs_rel &quot;${_dest}&quot; &quot;${_source}&quot;)&quot; &quot;${initdir}/${_dest}&quot;
    }
fi
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