Adding upstream version 060+5.upstream/060+5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1155 insertions, 0 deletions

diff --git a/dracut-init.sh b/dracut-init.sh
new file mode 100755
index 0000000..6b81833
--- /dev/null
+++ b/dracut-init.sh
@@ -0,0 +1,1155 @@
+#!/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 <http://www.gnu.org/licenses/>.
+#
+export LC_MESSAGES=C
+
+if [[ $EUID == "0" ]] && ! [[ $DRACUT_NO_XATTR ]]; then
+    export DRACUT_CP="cp --reflink=auto --sparse=auto --preserve=mode,timestamps,xattr,links -dfr"
+else
+    export DRACUT_CP="cp --reflink=auto --sparse=auto --preserve=mode,timestamps,links -dfr"
+fi
+
+# is_func <command>
+# Check whether $1 is a function.
+is_func() {
+    [[ "$(type -t "$1")" == "function" ]]
+}
+
+if ! [[ $dracutbasedir ]]; then
+    dracutbasedir=${BASH_SOURCE[0]%/*}
+    [[ $dracutbasedir == dracut-functions* ]] && dracutbasedir="."
+    [[ $dracutbasedir ]] || dracutbasedir="."
+    dracutbasedir="$(readlink -f $dracutbasedir)"
+fi
+
+if ! is_func dinfo > /dev/null 2>&1; then
+    # shellcheck source=./dracut-logger.sh
+    . "$dracutbasedir/dracut-logger.sh"
+    dlog_init
+fi
+
+if ! [[ $initdir ]]; then
+    dfatal "initdir not set"
+    exit 1
+fi
+
+if ! [[ -d $initdir ]]; then
+    mkdir -p "$initdir"
+fi
+
+if ! [[ $kernel ]]; then
+    kernel=$(uname -r)
+    export kernel
+fi
+
+srcmods="$dracutsysrootdir/lib/modules/$kernel/"
+
+[[ $drivers_dir ]] && {
+    if ! command -v kmod &> /dev/null && vercmp "$(modprobe --version | cut -d' ' -f3)" lt 3.7; then
+        dfatal 'To use --kmoddir option module-init-tools >= 3.7 is required.'
+        exit 1
+    fi
+    srcmods="$drivers_dir"
+}
+export srcmods
+
+# export standard hookdirs
+[[ $hookdirs ]] || {
+    hookdirs="cmdline pre-udev pre-trigger netroot "
+    hookdirs+="initqueue initqueue/settled initqueue/online initqueue/finished initqueue/timeout "
+    hookdirs+="pre-mount pre-pivot cleanup mount "
+    hookdirs+="emergency shutdown-emergency pre-shutdown shutdown "
+    export hookdirs
+}
+
+DRACUT_LDD=${DRACUT_LDD:-ldd}
+DRACUT_TESTBIN=${DRACUT_TESTBIN:-/bin/sh}
+DRACUT_LDCONFIG=${DRACUT_LDCONFIG:-ldconfig}
+
+# shellcheck source=./dracut-functions.sh
+. "$dracutbasedir"/dracut-functions.sh
+
+# Detect lib paths
+if ! [[ $libdirs ]]; then
+    if [[ $("$DRACUT_LDD" "$dracutsysrootdir$DRACUT_TESTBIN") == */lib64/* ]] &> /dev/null \
+        && [[ -d $dracutsysrootdir/lib64 ]]; then
+        libdirs+=" /lib64"
+        [[ -d $dracutsysrootdir/usr/lib64 ]] && libdirs+=" /usr/lib64"
+    else
+        libdirs+=" /lib"
+        [[ -d $dracutsysrootdir/usr/lib ]] && libdirs+=" /usr/lib"
+    fi
+
+    libdirs+=" $(ldconfig_paths)"
+
+    export libdirs
+fi
+
+# helper function for check() in module-setup.sh
+# to check for required installed binaries
+# issues a standardized warning message
+require_binaries() {
+    local _module_name="${moddir##*/}"
+    local _ret=0
+
+    if [[ $1 == "-m" ]]; then
+        _module_name="$2"
+        shift 2
+    fi
+
+    for cmd in "$@"; do
+        if ! find_binary "$cmd" &> /dev/null; then
+            dinfo "Module '${_module_name#[0-9][0-9]}' will not be installed, because command '$cmd' could not be found!"
+            ((_ret++))
+        fi
+    done
+    return "$_ret"
+}
+
+require_any_binary() {
+    local _module_name="${moddir##*/}"
+    local _ret=1
+
+    if [[ $1 == "-m" ]]; then
+        _module_name="$2"
+        shift 2
+    fi
+
+    for cmd in "$@"; do
+        if find_binary "$cmd" &> /dev/null; then
+            _ret=0
+            break
+        fi
+    done
+
+    if ((_ret != 0)); then
+        dinfo "$_module_name: Could not find any command of '$*'!"
+        return 1
+    fi
+
+    return 0
+}
+
+# helper function for check() in module-setup.sh
+# to check for required kernel modules
+# issues a standardized warning message
+require_kernel_modules() {
+    local _module_name="${moddir##*/}"
+    local _ret=0
+
+    # Ignore kernel module requirement for no-kernel build
+    [[ $no_kernel == yes ]] && return 0
+
+    if [[ $1 == "-m" ]]; then
+        _module_name="$2"
+        shift 2
+    fi
+
+    for mod in "$@"; do
+        if ! check_kernel_module "$mod" &> /dev/null; then
+            dinfo "Module '${_module_name#[0-9][0-9]}' will not be installed, because kernel module '$mod' is not available!"
+            ((_ret++))
+        fi
+    done
+    return "$_ret"
+}
+
+dracut_need_initqueue() {
+    : > "$initdir/lib/dracut/need-initqueue"
+}
+
+dracut_module_included() {
+    [[ " $mods_to_load $modules_loaded " == *\ $*\ * ]]
+}
+
+dracut_no_switch_root() {
+    : > "$initdir/lib/dracut/no-switch-root"
+}
+
+dracut_module_path() {
+    local _dir
+
+    # shellcheck disable=SC2231
+    for _dir in "${dracutbasedir}"/modules.d/??${1}; do
+        echo "$_dir"
+        return 0
+    done
+    return 1
+}
+
+if ! [[ $DRACUT_INSTALL ]]; then
+    DRACUT_INSTALL=$(find_binary dracut-install)
+fi
+
+if ! [[ $DRACUT_INSTALL ]] && [[ -x $dracutbasedir/dracut-install ]]; then
+    DRACUT_INSTALL=$dracutbasedir/dracut-install
+elif ! [[ $DRACUT_INSTALL ]] && [[ -x $dracutbasedir/src/install/dracut-install ]]; then
+    DRACUT_INSTALL=$dracutbasedir/src/install/dracut-install
+fi
+
+# Test if dracut-install is a standalone executable with no options.
+# E.g. DRACUT_INSTALL may be set externally as:
+# DRACUT_INSTALL="valgrind dracut-install"
+# or
+# DRACUT_INSTALL="dracut-install --debug"
+# in which case the string cannot be tested for being executable.
+DRINSTALLPARTS=0
+for i in $DRACUT_INSTALL; do
+    DRINSTALLPARTS=$((DRINSTALLPARTS + 1))
+done
+
+if [[ $DRINSTALLPARTS == 1 ]] && ! command -v "$DRACUT_INSTALL" > /dev/null 2>&1; then
+    dfatal "dracut-install not found!"
+    exit 10
+fi
+
+if [[ $hostonly == "-h" ]]; then
+    if ! [[ $DRACUT_KERNEL_MODALIASES ]] || ! [[ -f $DRACUT_KERNEL_MODALIASES ]]; then
+        export DRACUT_KERNEL_MODALIASES="${DRACUT_TMPDIR}/modaliases"
+        $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${srcmods:+--kerneldir "$srcmods"} --modalias > "$DRACUT_KERNEL_MODALIASES"
+    fi
+fi
+
+[[ $DRACUT_RESOLVE_LAZY ]] || export DRACUT_RESOLVE_DEPS=1
+inst_dir() {
+    local _ret
+    [[ -e ${initdir}/"$1" ]] && return 0 # already there
+    if $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} -d "$@"; then
+        return 0
+    else
+        _ret=$?
+        derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} -d "$@"
+        return $_ret
+    fi
+}
+
+inst() {
+    local _ret _hostonly_install
+    if [[ $1 == "-H" ]]; then
+        _hostonly_install="-H"
+        shift
+    fi
+    [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
+    if $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"; then
+        return 0
+    else
+        _ret=$?
+        derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"
+        return $_ret
+    fi
+}
+
+inst_simple() {
+    local _ret _hostonly_install
+    if [[ $1 == "-H" ]]; then
+        _hostonly_install="-H"
+        shift
+    fi
+    [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
+    [[ -e $1 ]] || return 1                    # no source
+    if $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@"; then
+        return 0
+    else
+        _ret=$?
+        derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@"
+        return $_ret
+    fi
+}
+
+inst_symlink() {
+    local _ret _hostonly_install
+    if [[ $1 == "-H" ]]; then
+        _hostonly_install="-H"
+        shift
+    fi
+    [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
+    [[ -L $1 ]] || return 1
+    if $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"; then
+        return 0
+    else
+        _ret=$?
+        derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"
+        return $_ret
+    fi
+}
+
+inst_multiple() {
+    local _ret _hostonly_install
+    if [[ $1 == "-H" ]]; then
+        _hostonly_install="-H"
+        shift
+    fi
+    if $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"; then
+        return 0
+    else
+        _ret=$?
+        derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"
+        return $_ret
+    fi
+}
+
+dracut_install() {
+    inst_multiple "$@"
+}
+
+dracut_instmods() {
+    local _ret _silent=0
+    local i
+    [[ $no_kernel == yes ]] && return
+    for i in "$@"; do
+        [[ $i == "--silent" ]] && _silent=1
+    done
+
+    if $DRACUT_INSTALL \
+        ${dracutsysrootdir:+-r "$dracutsysrootdir"} \
+        ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${hostonly:+-H} ${omit_drivers:+-N "$omit_drivers"} ${srcmods:+--kerneldir "$srcmods"} -m "$@"; then
+        return 0
+    else
+        _ret=$?
+        if ((_silent == 0)); then
+            derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${hostonly:+-H} ${omit_drivers:+-N "$omit_drivers"} ${srcmods:+--kerneldir "$srcmods"} -m "$@"
+        fi
+        return $_ret
+    fi
+}
+
+inst_library() {
+    local _ret _hostonly_install
+    if [[ $1 == "-H" ]]; then
+        _hostonly_install="-H"
+        shift
+    fi
+    [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
+    [[ -e $1 ]] || return 1                    # no source
+    if $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"; then
+        return 0
+    else
+        _ret=$?
+        derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"
+        return $_ret
+    fi
+}
+
+inst_binary() {
+    local _ret
+    if $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"; then
+        return 0
+    else
+        _ret=$?
+        derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"
+        return $_ret
+    fi
+}
+
+inst_script() {
+    local _ret
+    if $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"; then
+        return 0
+    else
+        _ret=$?
+        derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"
+        return $_ret
+    fi
+}
+
+inst_fsck_help() {
+    local _ret _helper="/run/dracut/fsck/fsck_help_$1.txt"
+    if $DRACUT_INSTALL ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$2" "$_helper"; then
+        return 0
+    else
+        _ret=$?
+        derror "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$2" "$_helper"
+        return $_ret
+    fi
+}
+
+# Use with form hostonly="$(optional_hostonly)" inst_xxxx <args>
+# If hostonly mode is set to "strict", hostonly restrictions will still
+# be applied, else will ignore hostonly mode and try to install all
+# given modules.
+optional_hostonly() {
+    if [[ $hostonly_mode == "strict" ]]; then
+        printf -- "%s" "$hostonly"
+    else
+        printf ""
+    fi
+}
+
+mark_hostonly() {
+    for i in "$@"; do
+        echo "$i" >> "$initdir/lib/dracut/hostonly-files"
+    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() {
+    local _fn
+    local _orig
+    local _links
+
+    [[ ! $1 ]] && return 0
+
+    _fn="$1"
+    _orig="$(readlink -f "$1")"
+    _links=()
+
+    [[ ${_fn} == *.so.* ]] || return 1
+
+    until [[ ${_fn##*.} == so ]]; do
+        _fn="${_fn%.*}"
+        [[ -L ${_fn} ]] && [[ $(readlink -f "${_fn}") == "${_orig}" ]] && _links+=("${_fn}")
+    done
+
+    echo "${_links[*]}}"
+}
+
+# attempt to install any programs specified in a udev rule
+inst_rule_programs() {
+    local _prog _bin
+
+    # shellcheck disable=SC2013
+    for _prog in $(sed -nr 's/.*PROGRAM==?"([^ "]+).*/\1/p' "$1"); do
+        _bin=""
+        if [[ -x ${udevdir}/$_prog ]]; then
+            _bin="${udevdir}"/$_prog
+        elif [[ ${_prog/\$env\{/} == "$_prog" ]]; then
+            _bin=$(find_binary "$_prog") || {
+                dinfo "Skipping program $_prog using in udev rule ${1##*/} as it cannot be found"
+                continue
+            }
+        fi
+
+        [[ $_bin ]] && inst_binary "$_bin"
+    done
+
+    # shellcheck disable=SC2013
+    for _prog in $(sed -nr 's/.*RUN[+=]=?"([^ "]+).*/\1/p' "$1"); do
+        _bin=""
+        if [[ -x ${udevdir}/$_prog ]]; then
+            _bin=${udevdir}/$_prog
+        elif [[ ${_prog/\$env\{/} == "$_prog" ]] && [[ ${_prog} != "/sbin/initqueue" ]]; then
+            _bin=$(find_binary "$_prog") || {
+                dinfo "Skipping program $_prog using in udev rule ${1##*/} as it cannot be found"
+                continue
+            }
+        fi
+
+        [[ $_bin ]] && inst_binary "$_bin"
+    done
+
+    # shellcheck disable=SC2013
+    for _prog in $(sed -nr 's/.*IMPORT\{program\}==?"([^ "]+).*/\1/p' "$1"); do
+        _bin=""
+        if [[ -x ${udevdir}/$_prog ]]; then
+            _bin=${udevdir}/$_prog
+        elif [[ ${_prog/\$env\{/} == "$_prog" ]]; then
+            _bin=$(find_binary "$_prog") || {
+                dinfo "Skipping program $_prog using in udev rule ${1##*/} as it cannot be found"
+                continue
+            }
+        fi
+
+        [[ $_bin ]] && dracut_install "$_bin"
+    done
+}
+
+# attempt to create any groups and users specified in a udev rule
+inst_rule_group_owner() {
+    local i
+
+    # shellcheck disable=SC2013
+    for i in $(sed -nr 's/.*OWNER=?"([^ "]+).*/\1/p' "$1"); do
+        if ! grep -Eq "^$i:" "$initdir/etc/passwd" 2> /dev/null; then
+            grep -E "^$i:" "$dracutsysrootdir"/etc/passwd 2> /dev/null >> "$initdir/etc/passwd"
+        fi
+    done
+
+    # shellcheck disable=SC2013
+    for i in $(sed -nr 's/.*GROUP=?"([^ "]+).*/\1/p' "$1"); do
+        if ! grep -Eq "^$i:" "$initdir/etc/group" 2> /dev/null; then
+            grep -E "^$i:" "$dracutsysrootdir"/etc/group 2> /dev/null >> "$initdir/etc/group"
+        fi
+    done
+}
+
+inst_rule_initqueue() {
+    if grep -q -F initqueue "$1"; then
+        dracut_need_initqueue
+    fi
+}
+
+# udev rules always get installed in the same place, so
+# create a function to install them to make life simpler.
+inst_rules() {
+    local _target=/etc/udev/rules.d _rule _found
+
+    inst_dir "${udevdir}/rules.d"
+    inst_dir "$_target"
+    for _rule in "$@"; do
+        if [ "${_rule#/}" = "$_rule" ]; then
+            for r in "$dracutsysrootdir${udevdir}/rules.d" ${hostonly:+"$dracutsysrootdir"/etc/udev/rules.d}; do
+                [[ -e $r/$_rule ]] || continue
+                _found="$r/$_rule"
+                inst_rule_programs "$_found"
+                inst_rule_group_owner "$_found"
+                inst_rule_initqueue "$_found"
+                inst_simple "$_found"
+            done
+        fi
+        for r in '' "$dracutsysrootdir$dracutbasedir/rules.d/"; do
+            # skip rules without an absolute path
+            [[ "${r}$_rule" != /* ]] && continue
+            [[ -f ${r}$_rule ]] || continue
+            _found="${r}$_rule"
+            inst_rule_programs "$_found"
+            inst_rule_group_owner "$_found"
+            inst_rule_initqueue "$_found"
+            inst_simple "$_found" "$_target/${_found##*/}"
+        done
+        [[ $_found ]] || ddebug "Skipping udev rule: $_rule"
+    done
+}
+
+inst_rules_wildcard() {
+    local _target=/etc/udev/rules.d _rule _found
+
+    inst_dir "${udevdir}/rules.d"
+    inst_dir "$_target"
+    for _rule in ${udevdir}/rules.d/$1 ${dracutbasedir}/rules.d/$1; do
+        [[ -e $_rule ]] || continue
+        inst_rule_programs "$_rule"
+        inst_rule_group_owner "$_rule"
+        inst_rule_initqueue "$_rule"
+        inst_simple "$_rule"
+        _found=$_rule
+    done
+    if [[ -n ${hostonly} ]]; then
+        for _rule in ${_target}/$1; do
+            [[ -f $_rule ]] || continue
+            inst_rule_programs "$_rule"
+            inst_rule_group_owner "$_rule"
+            inst_rule_initqueue "$_rule"
+            inst_simple "$_rule"
+            _found=$_rule
+        done
+    fi
+    [[ $_found ]] || ddebug "Skipping udev rule: $_rule"
+}
+
+# make sure that library links are correct and up to date
+build_ld_cache() {
+    for f in "$dracutsysrootdir"/etc/ld.so.conf "$dracutsysrootdir"/etc/ld.so.conf.d/*; do
+        [[ -f $f ]] && inst_simple "${f#"$dracutsysrootdir"}"
+    done
+    if ! $DRACUT_LDCONFIG -r "$initdir" -f /etc/ld.so.conf; then
+        if [[ $EUID == 0 ]]; then
+            derror "ldconfig exited ungracefully"
+        else
+            derror "ldconfig might need uid=0 (root) for chroot()"
+        fi
+    fi
+}
+
+prepare_udev_rules() {
+    dwarn "prepare_udev_rules: deprecated and will be removed"
+
+    if [ -z "$UDEVVERSION" ]; then
+        UDEVVERSION=$(udevadm --version)
+        export UDEVVERSION
+    fi
+
+    if [ -z "$UDEVVERSION" ]; then
+        derror "Failed to detect udev version!"
+        return 1
+    fi
+    if [ -z "${UDEVVERSION##*[!0-9]*}" ]; then
+        derror "udevadm --version did not report an integer, udev version cannot be determined!"
+        return 1
+    fi
+
+    for f in "$@"; do
+        f="${initdir}/etc/udev/rules.d/$f"
+        [ -e "$f" ] || continue
+        while read -r line || [ -n "$line" ]; do
+            if [ "${line%%IMPORT PATH_ID}" != "$line" ]; then
+                if ((UDEVVERSION >= 174)); then
+                    printf '%sIMPORT{builtin}="path_id"\n' "${line%%IMPORT PATH_ID}"
+                else
+                    printf '%sIMPORT{program}="path_id %%p"\n' "${line%%IMPORT PATH_ID}"
+                fi
+            elif [ "${line%%IMPORT BLKID}" != "$line" ]; then
+                if ((UDEVVERSION >= 176)); then
+                    printf '%sIMPORT{builtin}="blkid"\n' "${line%%IMPORT BLKID}"
+                else
+                    # shellcheck disable=SC2016
+                    printf '%sIMPORT{program}="/sbin/blkid -o udev -p $tempnode"\n' "${line%%IMPORT BLKID}"
+                fi
+            else
+                echo "$line"
+            fi
+        done < "${f}" > "${f}.new"
+        mv "${f}.new" "$f"
+    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() {
+    local hook
+    if ! [[ -f $3 ]]; then
+        dfatal "Cannot install a hook ($3) that does not exist."
+        dfatal "Aborting initrd creation."
+        exit 1
+    elif ! [[ $hookdirs == *$1* ]]; then
+        dfatal "No such hook type $1. Aborting initrd creation."
+        exit 1
+    fi
+    hook="/lib/dracut/hooks/${1}/${2}-${3##*/}"
+    inst_simple "$3" "$hook"
+    chmod u+x "$initdir/$hook"
+}
+
+# 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' ]] && to="$2" && shift 2
+
+    for f in "$@"; do
+        [[ -e $f ]] || continue
+        [[ $to ]] && inst "$f" "$to" && return 0
+        inst "$f" && return 0
+    done
+
+    return 1
+}
+
+# inst_libdir_dir <dir> [<dir>...]
+# Install a <dir> located on a lib directory to the initramfs image
+inst_libdir_dir() {
+    local -a _dirs
+    for _dir in $libdirs; do
+        for _i in "$@"; do
+            for _d in "$dracutsysrootdir$_dir"/$_i; do
+                [[ -d $_d ]] && _dirs+=("${_d#"$dracutsysrootdir"}")
+            done
+        done
+    done
+    for _dir in "${_dirs[@]}"; do
+        inst_dir "$_dir"
+    done
+}
+
+# inst_libdir_file [-n <pattern>] <file> [<file>...]
+# Install a <file> located on a lib directory to the initramfs image
+# -n <pattern> install matching files
+inst_libdir_file() {
+    local -a _files
+    if [[ $1 == "-n" ]]; then
+        local _pattern=$2
+        shift 2
+        for _dir in $libdirs; do
+            for _i in "$@"; do
+                for _f in "$dracutsysrootdir$_dir"/$_i; do
+                    [[ ${_f#"$dracutsysrootdir"} =~ $_pattern ]] || continue
+                    [[ -e $_f ]] && _files+=("${_f#"$dracutsysrootdir"}")
+                done
+            done
+        done
+    else
+        for _dir in $libdirs; do
+            for _i in "$@"; do
+                for _f in "$dracutsysrootdir$_dir"/$_i; do
+                    [[ -e $_f ]] && _files+=("${_f#"$dracutsysrootdir"}")
+                done
+            done
+        done
+    fi
+    [[ ${#_files[@]} -gt 0 ]] && inst_multiple "${_files[@]}"
+}
+
+# get a command to decompress the given file
+get_decompress_cmd() {
+    case "$1" in
+        *.gz) echo 'gzip -f -d' ;;
+        *.bz2) echo 'bzip2 -d' ;;
+        *.xz) echo 'xz -f -d' ;;
+        *.zst) echo 'zstd -f -d ' ;;
+    esac
+}
+
+# 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
+        _cmd=$(get_decompress_cmd "${_src}")
+        [[ -z ${_cmd} ]] && return 1
+        inst_simple "${_src}"
+        # Decompress with chosen tool.  We assume that tool changes name e.g.
+        # from 'name.gz' to 'name'.
+        ${_cmd} "${initdir}${_src}"
+    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 "${_src}" || inst "${_src}"
+    done
+}
+
+# module_check <dracut module> [<forced>] [<module path>]
+# execute the check() function of module-setup.sh of <dracut module>
+# or the "check" script, if module-setup.sh is not found
+# "check $hostonly" is called
+module_check() {
+    local _moddir=$3
+    local _ret
+    local _forced=0
+    local _hostonly=$hostonly
+    [[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
+    [ $# -ge 2 ] && _forced=$2
+    [[ -f $_moddir/module-setup.sh ]] || return 1
+    unset check depends cmdline install installkernel
+    check() { true; }
+    # shellcheck disable=SC1090
+    . "$_moddir"/module-setup.sh
+    is_func check || return 0
+    [[ $_forced != 0 ]] && unset hostonly
+    # don't quote $hostonly to leave argument empty
+    # shellcheck disable=SC2086
+    moddir="$_moddir" check $hostonly
+    _ret=$?
+    unset check depends cmdline install installkernel
+    hostonly=$_hostonly
+    return $_ret
+}
+
+# module_check_mount <dracut module> [<module path>]
+# execute the check() function of module-setup.sh of <dracut module>
+# or the "check" script, if module-setup.sh is not found
+# "mount_needs=1 check 0" is called
+module_check_mount() {
+    local _moddir=$2
+    local _ret
+    export mount_needs=1
+    [[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
+    [[ -f $_moddir/module-setup.sh ]] || return 1
+    unset check depends cmdline install installkernel
+    check() { false; }
+    # shellcheck disable=SC1090
+    . "$_moddir"/module-setup.sh
+    moddir=$_moddir check 0
+    _ret=$?
+    unset check depends cmdline install installkernel
+    unset mount_needs
+    return "$_ret"
+}
+
+# module_depends <dracut module> [<module path>]
+# execute the depends() function of module-setup.sh of <dracut module>
+# or the "depends" script, if module-setup.sh is not found
+module_depends() {
+    local _moddir=$2
+    local _ret
+    [[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
+    [[ -f $_moddir/module-setup.sh ]] || return 1
+    unset check depends cmdline install installkernel
+    depends() { true; }
+    # shellcheck disable=SC1090
+    . "$_moddir"/module-setup.sh
+    moddir=$_moddir depends
+    _ret=$?
+    unset check depends cmdline install installkernel
+    return $_ret
+}
+
+# module_cmdline <dracut module> [<module path>]
+# execute the cmdline() function of module-setup.sh of <dracut module>
+# or the "cmdline" script, if module-setup.sh is not found
+module_cmdline() {
+    local _moddir=$2
+    local _ret
+    [[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
+    [[ -f $_moddir/module-setup.sh ]] || return 1
+    unset check depends cmdline install installkernel
+    cmdline() { true; }
+    # shellcheck disable=SC1090
+    . "$_moddir"/module-setup.sh
+    moddir="$_moddir" cmdline
+    _ret=$?
+    unset check depends cmdline install installkernel
+    return $_ret
+}
+
+# module_install <dracut module> [<module path>]
+# execute the install() function of module-setup.sh of <dracut module>
+# or the "install" script, if module-setup.sh is not found
+module_install() {
+    local _moddir=$2
+    local _ret
+    [[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
+    [[ -f $_moddir/module-setup.sh ]] || return 1
+    unset check depends cmdline install installkernel
+    install() { true; }
+    # shellcheck disable=SC1090
+    . "$_moddir"/module-setup.sh
+    moddir="$_moddir" install
+    _ret=$?
+    unset check depends cmdline install installkernel
+    return $_ret
+}
+
+# module_installkernel <dracut module> [<module path>]
+# execute the installkernel() function of module-setup.sh of <dracut module>
+# or the "installkernel" script, if module-setup.sh is not found
+module_installkernel() {
+    local _moddir=$2
+    local _ret
+    [[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
+    [[ -f $_moddir/module-setup.sh ]] || return 1
+    unset check depends cmdline install installkernel
+    installkernel() { true; }
+    # shellcheck disable=SC1090
+    . "$_moddir"/module-setup.sh
+    moddir="$_moddir" installkernel
+    _ret=$?
+    unset check depends cmdline install installkernel
+    return $_ret
+}
+
+# check_mount <dracut module> [<use_as_dep>] [<module path>]
+# check_mount checks, if a dracut module is needed for the given
+# device and filesystem types in "${host_fs_types[@]}"
+check_mount() {
+    local _mod=$1
+    local _moddir=$3
+    local _ret
+    local _moddep
+
+    [[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
+    [ "${#host_fs_types[@]}" -le 0 ] && return 1
+
+    # If we are already scheduled to be loaded, no need to check again.
+    [[ " $mods_to_load " == *\ $_mod\ * ]] && return 0
+    [[ " $mods_checked_as_dep " == *\ $_mod\ * ]] && return 1
+
+    # This should never happen, but...
+    [[ -d $_moddir ]] || return 1
+
+    [[ $2 ]] || mods_checked_as_dep+=" $_mod "
+
+    if [[ " $omit_dracutmodules " == *\ $_mod\ * ]]; then
+        return 1
+    fi
+
+    if [[ " $dracutmodules $add_dracutmodules $force_add_dracutmodules" == *\ $_mod\ * ]]; then
+        module_check_mount "$_mod" "$_moddir"
+        _ret=$?
+
+        # 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" "$_moddir" || return 1
+        else
+            # skip this module
+            return 1
+        fi
+    fi
+
+    for _moddep in $(module_depends "$_mod" "$_moddir"); do
+        # handle deps as if they were manually added
+        [[ " $dracutmodules " == *\ $_mod\ * ]] \
+            && [[ " $dracutmodules " != *\ $_moddep\ * ]] \
+            && dracutmodules+=" $_moddep "
+        [[ " $add_dracutmodules " == *\ $_mod\ * ]] \
+            && [[ " $add_dracutmodules " != *\ $_moddep\ * ]] \
+            && add_dracutmodules+=" $_moddep "
+        [[ " $force_add_dracutmodules " == *\ $_mod\ * ]] \
+            && [[ " $force_add_dracutmodules " != *\ $_moddep\ * ]] \
+            && force_add_dracutmodules+=" $_moddep "
+        # if a module we depend on fail, fail also
+        if ! check_module "$_moddep"; then
+            derror "Module '$_mod' depends on '$_moddep', which can't be installed"
+            return 1
+        fi
+    done
+
+    [[ " $mods_to_load " == *\ $_mod\ * ]] \
+        || mods_to_load+=" $_mod "
+
+    return 0
+}
+
+# check_module <dracut module> [<use_as_dep>] [<module path>]
+# check if a dracut module is to be used in the initramfs process
+# if <use_as_dep> 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=$3
+    local _ret
+    local _moddep
+
+    [[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
+    # If we are already scheduled to be loaded, no need to check again.
+    [[ " $mods_to_load " == *\ $_mod\ * ]] && return 0
+    [[ " $mods_checked_as_dep " == *\ $_mod\ * ]] && return 1
+
+    # This should never happen, but...
+    [[ -d $_moddir ]] || return 1
+
+    [[ $2 ]] || mods_checked_as_dep+=" $_mod "
+
+    if [[ " $omit_dracutmodules " == *\ $_mod\ * ]]; then
+        ddebug "Module '$_mod' will not be installed, because it's in the list to be omitted!"
+        return 1
+    fi
+
+    if [[ " $dracutmodules $add_dracutmodules $force_add_dracutmodules" == *\ $_mod\ * ]]; then
+        if [[ " $dracutmodules $force_add_dracutmodules " == *\ $_mod\ * ]]; then
+            module_check "$_mod" 1 "$_moddir"
+            _ret=$?
+        else
+            module_check "$_mod" 0 "$_moddir"
+            _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" 0 "$_moddir"
+            _ret=$?
+            if [[ $_ret != 0 ]]; then
+                [[ $2 ]] && return 1
+                [[ $_ret != 255 ]] && return 1
+            fi
+        else
+            # skip this module
+            return 1
+        fi
+    fi
+
+    for _moddep in $(module_depends "$_mod" "$_moddir"); do
+        # handle deps as if they were manually added
+        [[ " $dracutmodules " == *\ $_mod\ * ]] \
+            && [[ " $dracutmodules " != *\ $_moddep\ * ]] \
+            && dracutmodules+=" $_moddep "
+        [[ " $add_dracutmodules " == *\ $_mod\ * ]] \
+            && [[ " $add_dracutmodules " != *\ $_moddep\ * ]] \
+            && add_dracutmodules+=" $_moddep "
+        [[ " $force_add_dracutmodules " == *\ $_mod\ * ]] \
+            && [[ " $force_add_dracutmodules " != *\ $_moddep\ * ]] \
+            && force_add_dracutmodules+=" $_moddep "
+        # if a module we depend on fail, fail also
+        if ! check_module "$_moddep"; then
+            derror "Module '$_mod' depends on '$_moddep', which can't be installed"
+            return 1
+        fi
+    done
+
+    [[ " $mods_to_load " == *\ $_mod\ * ]] \
+        || mods_to_load+=" $_mod "
+
+    return 0
+}
+
+# for_each_module_dir <func>
+# execute "<func> <dracut module> 1 <module path>"
+for_each_module_dir() {
+    local _modcheck
+    local _mod
+    local _moddir
+    local _func
+    local _reason
+    _func=$1
+    for _moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
+        [[ -e $_moddir/module-setup.sh ]] || continue
+        _mod=${_moddir##*/}
+        _mod=${_mod#[0-9][0-9]}
+        $_func "$_mod" 1 "$_moddir"
+    done
+
+    # Report any missing dracut modules, the user has specified
+    _modcheck="$add_dracutmodules $force_add_dracutmodules"
+    [[ $dracutmodules != all ]] && _modcheck="$_modcheck $dracutmodules"
+    for _mod in $_modcheck; do
+        [[ " $mods_to_load " == *\ $_mod\ * ]] && continue
+
+        [[ " $force_add_dracutmodules " != *\ $_mod\ * ]] \
+            && [[ " $dracutmodules " != *\ $_mod\ * ]] \
+            && [[ " $omit_dracutmodules " == *\ $_mod\ * ]] \
+            && continue
+
+        [[ -d $(echo "$dracutbasedir/modules.d"/[0-9][0-9]"$_mod") ]] \
+            && _reason="installed" \
+            || _reason="found"
+        derror "Module '$_mod' cannot be $_reason."
+        [[ " $force_add_dracutmodules " == *\ $_mod\ * ]] && exit 1
+        [[ " $dracutmodules " == *\ $_mod\ * ]] && exit 1
+        [[ " $add_dracutmodules " == *\ $_mod\ * ]] && exit 1
+    done
+}
+
+dracut_kernel_post() {
+    for _f in modules.builtin modules.builtin.alias modules.builtin.modinfo modules.order; do
+        [[ -e $srcmods/$_f ]] && inst_simple "$srcmods/$_f" "/lib/modules/$kernel/$_f"
+    done
+
+    # generate module dependencies for the initrd
+    if [[ -d $initdir/lib/modules/$kernel ]] \
+        && ! depmod -a -b "$initdir" "$kernel"; then
+        dfatal "\"depmod -a $kernel\" failed."
+        exit 1
+    fi
+
+}
+
+instmods() {
+    # instmods [-c [-s]] <kernel module> [<kernel module> ... ]
+    # instmods [-c [-s]] <kernel subsystem>
+    # install kernel modules along with all their dependencies.
+    # <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage"
+    # -c check
+    # -s silent
+    local _optional="-o"
+    local _silent
+    local _ret
+
+    [[ $no_kernel == yes ]] && 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 -- "${args[@]}"
+    fi
+
+    if (($# == 0)); then
+        return 0
+    fi
+
+    $DRACUT_INSTALL \
+        ${initdir:+-D "$initdir"} \
+        ${dracutsysrootdir:+-r "$dracutsysrootdir"} \
+        ${loginstall:+-L "$loginstall"} \
+        ${hostonly:+-H} \
+        ${omit_drivers:+-N "$omit_drivers"} \
+        ${srcmods:+--kerneldir "$srcmods"} \
+        ${_optional:+-o} \
+        ${_silent:+--silent} \
+        -m "$@"
+    _ret=$?
+
+    if ((_ret != 0)) && [[ -z $_silent ]]; then
+        derror "FAILED: " \
+            "$DRACUT_INSTALL" \
+            ${initdir:+-D "$initdir"} \
+            ${dracutsysrootdir:+-r "$dracutsysrootdir"} \
+            ${loginstall:+-L "$loginstall"} \
+            ${hostonly:+-H} \
+            ${omit_drivers:+-N "$omit_drivers"} \
+            ${srcmods:+--kerneldir "$srcmods"} \
+            ${_optional:+-o} \
+            ${_silent:+--silent} \
+            -m "$@"
+    fi
+
+    [[ "$_optional" ]] && return 0
+    return $_ret
+}
+
+if [[ "$(ln --help)" == *--relative* ]]; then
+    ln_r() {
+        ln -sfnr "${initdir}/$1" "${initdir}/$2"
+    }
+else
+    ln_r() {
+        local _source=$1
+        local _dest=$2
+        [[ -d ${_dest%/*} ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/}
+        ln -sfn -- "$(convert_abs_rel "${_dest}" "${_source}")" "${initdir}/${_dest}"
+    }
+fi
+
+is_qemu_virtualized() {
+    # 0 if a virt environment was detected
+    # 1 if a virt environment could not be detected
+    # 255 if any error was encountered
+    if type -P systemd-detect-virt > /dev/null 2>&1; then
+        if ! vm=$(systemd-detect-virt --vm 2> /dev/null); then
+            return 255
+        fi
+        [[ $vm == "qemu" ]] && return 0
+        [[ $vm == "kvm" ]] && return 0
+        [[ $vm == "bochs" ]] && return 0
+    fi
+
+    for i in /sys/class/dmi/id/*_vendor; do
+        [[ -f $i ]] || continue
+        read -r vendor < "$i"
+        [[ $vendor == "QEMU" ]] && return 0
+        [[ $vendor == "Red Hat" ]] && return 0
+        [[ $vendor == "Bochs" ]] && return 0
+    done
+    return 1
+}