From 561eb42f39e26cd43f1df1484bba5883048e3178 Mon Sep 17 00:00:00 2001

From: Harald Hoyer <harald@redhat.com>

Date: Fri, 13 Nov 2015 13:06:01 +0100

Subject: [PATCH] reduce dracut-functions.sh and add to dracut-init.sh

move all dracut specific functions to dracut-init.sh

---

 dracut-functions.sh | 1148 +--------------------------------------------------

 dracut-init.sh      | 1144 +++++++++++++++++++++++++++++++++++++++++++++++++-

 2 files changed, 1146 insertions(+), 1146 deletions(-)

diff --git a/dracut-functions.sh b/dracut-functions.sh

index 1c6d327..59747ec 100755

--- a/dracut-functions.sh

+++ b/dracut-functions.sh

@@ -19,11 +19,12 @@

 #

 export LC_MESSAGES=C

-if [[ $DRACUT_KERNEL_LAZY ]] && ! [[ $DRACUT_KERNEL_LAZY_HASHDIR ]]; then

-    if [[ -d "$initdir/.kernelmodseen" ]]; then

-        DRACUT_KERNEL_LAZY_HASHDIR="$initdir/.kernelmodseen"

-    fi

-fi

+# is_func <command>

+# Check whether $1 is a function.

+is_func() {

+    [[ "$(type -t "$1")" = "function" ]]

+}

+

 # Generic substring function.  If $2 is in $1, return 0.

 strstr() { [[ $1 = *"$2"* ]]; }

@@ -36,51 +37,6 @@ str_starts() { [ "${1#"$2"*}" != "$1" ]; }

 # returns OK if $1 contains literal string $2 at the end, and isn't empty

 str_ends() { [ "${1%*"$2"}" != "$1" ]; }

-# 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 "dracut 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

-}

-

 # find a binary.  If we were not passed the full path directly,

 # search in the usual places to find the binary.

 find_binary() {

@@ -94,39 +50,11 @@ find_binary() {

     type -P "${1##*/}"

 }

-if ! [[ $dracutbasedir ]]; then

-    dracutbasedir=${BASH_SOURCE[0]%/*}

-    [[ $dracutbasedir = dracut-functions* ]] && dracutbasedir="."

-    [[ $dracutbasedir ]] || dracutbasedir="."

-    dracutbasedir="$(readlink -f $dracutbasedir)"

-fi

-

 ldconfig_paths()

 {

     ldconfig -pN 2>/dev/null | grep -E -v '/(lib|lib64|usr/lib|usr/lib64)/[^/]*$' | sed -n 's,.* => \(.*\)/.*,\1,p' | sort | uniq

 }

-# Detect lib paths

-if ! [[ $libdirs ]] ; then

-    if [[ "$(ldd /bin/sh)" == */lib64/* ]] &>/dev/null \

-        && [[ -d /lib64 ]]; then

-        libdirs+=" /lib64"

-        [[ -d /usr/lib64 ]] && libdirs+=" /usr/lib64"

-    else

-        libdirs+=" /lib"

-        [[ -d /usr/lib ]] && libdirs+=" /usr/lib"

-    fi

-

-    libdirs+=" $(ldconfig_paths)"

-

-    export libdirs

-fi

-

-if ! [[ $kernel ]]; then

-    kernel=$(uname -r)

-    export kernel

-fi

-

 # Version comparision function.  Assumes Linux style version scheme.

 # $1 = version a

 # $2 = comparision op (gt, ge, eq, le, lt, ne)

@@ -154,50 +82,6 @@ vercmp() {

     esac

 }

-srcmods="/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

-

-# is_func <command>

-# Check whether $1 is a function.

-is_func() {

-    [[ "$(type -t "$1")" = "function" ]]

-}

-

-if ! is_func dinfo >/dev/null 2>&1; then

-    . "$dracutbasedir/dracut-logger.sh"

-    dlog_init

-fi

-

-if ! [[ $initdir ]]; then

-    dfatal "initdir not set"

-    exit 1

-fi

-

-# 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_need_initqueue() {

-    >"$initdir/lib/dracut/need-initqueue"

-}

-

-dracut_module_included() {

-    [[ " $mods_to_load $modules_loaded " == *\ $*\ * ]]

-}

-

 # Create all subdirectories for given path without creating the last element.

 # $1 = path

 mksubdirs() {

@@ -728,1026 +612,6 @@ fs_get_option() {

     done

 }

-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/install/dracut-install ]]; then

-    DRACUT_INSTALL=$dracutbasedir/install/dracut-install

-fi

-

-if ! [[ -x $DRACUT_INSTALL ]]; then

-    dfatal "dracut-install not found!"

-    exit 10

-fi

-

-[[ $DRACUT_RESOLVE_LAZY ]] || export DRACUT_RESOLVE_DEPS=1

-inst_dir() {

-    [[ -e ${initdir}/"$1" ]] && return 0  # already there

-    $DRACUT_INSTALL ${initdir:+-D "$initdir"} -d "$@"

-    (($? != 0)) && derror $DRACUT_INSTALL ${initdir:+-D "$initdir"} -d "$@" || :

-}

-

-inst() {

-    local _hostonly_install

-    if [[ "$1" == "-H" ]]; then

-        _hostonly_install="-H"

-        shift

-    fi

-    [[ -e ${initdir}/"${2:-$1}" ]] && return 0  # already there

-    $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"

-    (($? != 0)) && derror $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || :

-}

-

-inst_simple() {

-    local _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

-    $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@"

-    (($? != 0)) && derror $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@" || :

-}

-

-inst_symlink() {

-    local _hostonly_install

-    if [[ "$1" == "-H" ]]; then

-        _hostonly_install="-H"

-        shift

-    fi

-    [[ -e ${initdir}/"${2:-$1}" ]] && return 0  # already there

-    [[ -L $1 ]] || return 1

-    $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"

-    (($? != 0)) && derror $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || :

-}

-

-inst_multiple() {

-    local _ret

-    $DRACUT_INSTALL ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} "$@"

-    _ret=$?

-    (($_ret != 0)) && derror $DRACUT_INSTALL ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || :

-    return $_ret

-}

-

-dracut_install() {

-    inst_multiple "$@"

-}

-

-inst_library() {

-    local _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

-    $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"

-    (($? != 0)) && derror $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || :

-}

-

-inst_binary() {

-    $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l}  ${DRACUT_FIPS_MODE:+-f} "$@"

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

-}

-

-inst_script() {

-    $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"

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

-}

-

-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() {

-    [[ ! $1 ]] && return 0

-

-    local 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

-

-    if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then

-        for _prog in $(grep -E 'PROGRAM==?"[^ "]+' "$1" | sed -r 's/.*PROGRAM==?"([^ "]+).*/\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

-    fi

-    if grep -qE 'RUN[+=]=?"[^ "]+' "$1"; then

-        for _prog in $(grep -E 'RUN[+=]=?"[^ "]+' "$1" | sed -r 's/.*RUN[+=]=?"([^ "]+).*/\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

-    fi

-    if grep -qE 'IMPORT\{program\}==?"[^ "]+' "$1"; then

-        for _prog in $(grep -E 'IMPORT\{program\}==?"[^ "]+' "$1" | sed -r 's/.*IMPORT\{program\}==?"([^ "]+).*/\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

-    fi

-}

-

-# attempt to install any programs specified in a udev rule

-inst_rule_group_owner() {

-    local i

-

-    if grep -qE 'OWNER=?"[^ "]+' "$1"; then

-        for i in $(grep -E 'OWNER=?"[^ "]+' "$1" | sed -r 's/.*OWNER=?"([^ "]+).*/\1/'); do

-            if ! egrep -q "^$i:" "$initdir/etc/passwd" 2>/dev/null; then

-                egrep "^$i:" /etc/passwd 2>/dev/null >> "$initdir/etc/passwd"

-            fi

-        done

-    fi

-    if grep -qE 'GROUP=?"[^ "]+' "$1"; then

-        for i in $(grep -E 'GROUP=?"[^ "]+' "$1" | sed -r 's/.*GROUP=?"([^ "]+).*/\1/'); do

-            if ! egrep -q "^$i:" "$initdir/etc/group" 2>/dev/null; then

-                egrep "^$i:" /etc/group 2>/dev/null >> "$initdir/etc/group"

-            fi

-        done

-    fi

-}

-

-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 ${udevdir}/rules.d ${hostonly:+/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 '' $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 ]] || dinfo "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 ]] || dinfo "Skipping udev rule: $_rule"

-}

-

-prepare_udev_rules() {

-    [ -z "$UDEVVERSION" ] && export UDEVVERSION=$(udevadm --version)

-

-    for f in "$@"; do

-        f="${initdir}/etc/udev/rules.d/$f"

-        [ -e "$f" ] || continue

-        while read line || [ -n "$line" ]; do

-            if [ "${line%%IMPORT PATH_ID}" != "$line" ]; then

-                if [ $UDEVVERSION -ge 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 -ge 176 ]; then

-                    printf '%sIMPORT{builtin}="blkid"\n' "${line%%IMPORT BLKID}"

-                else

-                    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() {

-    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

-    inst_simple "$3" "/lib/dracut/hooks/${1}/${2}-${3##*/}"

-}

-

-# 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_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 _files

-    if [[ "$1" == "-n" ]]; then

-        local _pattern=$2

-        shift 2

-        for _dir in $libdirs; do

-            for _i in "$@"; do

-                for _f in "$_dir"/$_i; do

-                    [[ "$_f" =~ $_pattern ]] || continue

-                    [[ -e "$_f" ]] && _files+="$_f "

-                done

-            done

-        done

-    else

-        for _dir in $libdirs; do

-            for _i in "$@"; do

-                for _f in "$_dir"/$_i; do

-                    [[ -e "$_f" ]] && _files+="$_f "

-                done

-            done

-        done

-    fi

-    [[ $_files ]] && 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'.

-        ${_cmd} "${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>

-# 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=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; })

-    local _ret

-    local _forced=0

-    local _hostonly=$hostonly

-    [ $# -eq 2 ] && _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 ] && 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 ] && unset hostonly

-        moddir=$_moddir check $hostonly

-        _ret=$?

-        unset check depends cmdline install installkernel

-    fi

-    hostonly=$_hostonly

-    return $_ret

-}

-

-# module_check_mount <dracut module>

-# 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=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; })

-    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 <dracut module>

-# 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=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; })

-    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 <dracut module>

-# 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=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; })

-    local _ret

-    [[ -d $_moddir ]] || return 1

-    if [[ ! -f $_moddir/module-setup.sh ]]; then

-        [[ -x $_moddir/cmdline ]] && . "$_moddir/cmdline"

-        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 <dracut module>

-# 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=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; })

-    local _ret

-    [[ -d $_moddir ]] || return 1

-    if [[ ! -f $_moddir/module-setup.sh ]]; then

-        [[ -x $_moddir/install ]] && . "$_moddir/install"

-        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 <dracut module>

-# 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=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; })

-    local _ret

-    [[ -d $_moddir ]] || return 1

-    if [[ ! -f $_moddir/module-setup.sh ]]; then

-        [[ -x $_moddir/installkernel ]] && . "$_moddir/installkernel"

-        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 <dracut module>

-# 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=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; })

-    local _ret

-    local _moddep

-

-    [ "${#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 $_mod; ret=$?

-

-        # 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

-        [[ " $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 "dracut 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>]

-# 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=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; })

-    local _ret

-    local _moddep

-    # 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

-        dinfo "dracut 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 $_mod 1; ret=$?

-        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 ]] && return 1

-                [[ $ret != 255 ]] && 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

-        [[ " $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 "dracut 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"

-for_each_module_dir() {

-    local _modcheck

-    local _mod

-    local _moddir

-    local _func

-    _func=$1

-    for _moddir in "$dracutbasedir/modules.d"/[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="$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

-

-        derror "dracut module '$_mod' cannot be found or installed."

-        [[ " $force_add_dracutmodules " == *\ $_mod\ * ]] && exit 1

-        [[ " $dracutmodules " == *\ $_mod\ * ]] && exit 1

-        [[ " $add_dracutmodules " == *\ $_mod\ * ]] && exit 1

-    done

-}