# $2 = comparision op (gt, ge, eq, le, lt, ne)
# $3 = version b
vercmp() {
- local n1=(${1//./ }) op=$2 n2=(${3//./ }) i res
+ local _n1=(${1//./ }) _op=$2 _n2=(${3//./ }) _i _res
- for ((i=0; ; i++))
+ for ((_i=0; ; _i++))
do
- if [[ ! ${n1[i]}${n2[i]} ]]; then res=0
- elif ((${n1[i]:-0} > ${n2[i]:-0})); then res=1
- elif ((${n1[i]:-0} < ${n2[i]:-0})); then res=2
+ if [[ ! ${_n1[_i]}${_n2[_i]} ]]; then _res=0
+ elif ((${_n1[_i]:-0} > ${_n2[_i]:-0})); then _res=1
+ elif ((${_n1[_i]:-0} < ${_n2[_i]:-0})); then _res=2
else continue
fi
break
done
- case $op in
- gt) ((res == 1));;
- ge) ((res != 2));;
- eq) ((res == 0));;
- le) ((res != 1));;
- lt) ((res == 2));;
- ne) ((res != 0));;
+ case $_op in
+ gt) ((_res == 1));;
+ ge) ((_res != 2));;
+ eq) ((_res == 0));;
+ le) ((_res != 1));;
+ lt) ((_res == 2));;
+ ne) ((_res != 0));;
esac
}
# Function prints global variables in format name=value line by line.
# $@ = list of global variables' name
print_vars() {
- local var value
+ local _var _value
- for var in $@
+ for _var in $@
do
- value=$(eval echo \$$var)
- [[ ${value} ]] && echo "${var}=\"${value}\""
+ _value=$(eval echo \$$_var)
+ [[ ${_value} ]] && echo "${_var}=\"${_value}\""
done
}
get_fs_env() {
[[ $1 ]] || return
+ unset ID_FS_TYPE
+ unset ID_FS_UUID
eval $(udevadm info --query=env --name=$1|egrep 'ID_FS_(TYPE|UUID)=')
[[ $ID_FS_TYPE ]] && return
# finds the major:minor of the block device backing the root filesystem.
find_block_device() {
- local x mpt majmin dev fs misc maj min
+ local _x _mpt _majmin _dev _fs _maj _min
if [[ $use_fstab != yes ]]; then
- while read x x majmin x mpt x x fs dev misc; do
- [[ $fs = nfs ]] && { echo $dev; return 0;}
- [[ $fs = nfs3 ]] && { echo $dev; return 0;}
- [[ $fs = nfs4 ]] && { echo $dev; return 0;}
- [[ $fs = btrfs ]] && {
- ls -nLl "$dev" | {
- read x x x x maj min x
- maj=${maj//,/}
- echo $maj:$min
+ while read _x _x _majmin _x _mpt _x _x _fs _dev _x; do
+ [[ $_fs = nfs ]] && { echo $_dev; return 0;}
+ [[ $_fs = nfs3 ]] && { echo $_dev; return 0;}
+ [[ $_fs = nfs4 ]] && { echo $_dev; return 0;}
+ [[ $_fs = btrfs ]] && {
+ ls -nLl "$_dev" | {
+ read _x _x _x _x _maj _min _x
+ _maj=${_maj//,/}
+ echo $_maj:$_min
} && return 0
}
- if [[ $mpt = $1 ]] && [[ ${majmin#0:} = $majmin ]]; then
- echo $majmin
+ if [[ $_mpt = $1 ]] && [[ ${_majmin#0:} = $_majmin ]]; then
+ echo $_majmin
return 0 # we have a winner!
fi
done < /proc/self/mountinfo
fi
# fall back to /etc/fstab
- while read dev mpt fs misc; do
- if [[ $mpt = $1 ]]; then
- [[ $fs = nfs ]] && { echo $dev; return 0;}
- [[ $fs = nfs3 ]] && { echo $dev; return 0;}
- [[ $fs = nfs4 ]] && { echo $dev; return 0;}
- [[ $dev != ${dev#UUID=} ]] && dev=/dev/disk/by-uuid/${dev#UUID=}
- [[ $dev != ${dev#LABEL=} ]] && dev=/dev/disk/by-label/${dev#LABEL=}
- [[ -b $dev ]] || return 1 # oops, not a block device.
- ls -nLl "$dev" | {
- read x x x x maj min x
- maj=${maj//,/}
- echo $maj:$min
+ while read _dev _mpt _fs _x; do
+ if [[ $_mpt = $1 ]]; then
+ [[ $_fs = nfs ]] && { echo $_dev; return 0;}
+ [[ $_fs = nfs3 ]] && { echo $_dev; return 0;}
+ [[ $_fs = nfs4 ]] && { echo $_dev; return 0;}
+ [[ $_dev != ${_dev#UUID=} ]] && _dev=/dev/disk/by-uuid/${_dev#UUID=}
+ [[ $_dev != ${_dev#LABEL=} ]] && _dev=/dev/disk/by-label/${_dev#LABEL=}
+ [[ -b $_dev ]] || return 1 # oops, not a block device.
+ ls -nLl "$_dev" | {
+ read _x _x _x _x _maj _min _x
+ _maj=${_maj//,/}
+ echo $_maj:$_min
} && return 0
fi
done < /etc/fstab
# $1 = function to call on every found block device
# $2 = block device in major:minor format
check_block_and_slaves() {
- local x
+ local _x
[[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
"$1" $2 && return
check_vol_slaves "$@" && return 0
check_block_and_slaves $1 $(cat "/sys/dev/block/$2/../dev") && return 0
fi
[[ -d /sys/dev/block/$2/slaves ]] || return 1
- for x in /sys/dev/block/$2/slaves/*/dev; do
- [[ -f $x ]] || continue
- check_block_and_slaves $1 $(cat "$x") && return 0
+ for _x in /sys/dev/block/$2/slaves/*/dev; do
+ [[ -f $_x ]] || continue
+ check_block_and_slaves $1 $(cat "$_x") && return 0
done
return 1
}
get_numeric_dev() {
- ls -lH "$1" | { read a b c d maj min rest; printf "%d:%d" ${maj%%,} $min; }
+ local _x _maj _min
+ ls -lH "$1" | { read _x _x _x _x _maj _min _x; printf "%d:%d" ${_maj%%,} $_min; }
}
# ugly workaround for the lvm design
# but you cannot create the logical volume without the volume group.
# And the volume group might be bigger than the devices the LV needs.
check_vol_slaves() {
+ local _lv _vg _pv
for i in /dev/mapper/*; do
- lv=$(get_numeric_dev $i)
- if [[ $lv = $2 ]]; then
- vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null)
+ _lv=$(get_numeric_dev $i)
+ if [[ $_lv = $2 ]]; then
+ _vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null)
# strip space
- vg=$(echo $vg)
- if [[ $vg ]]; then
- for pv in $(lvm vgs --noheadings -o pv_name "$vg" 2>/dev/null)
+ _vg=$(echo $_vg)
+ if [[ $_vg ]]; then
+ for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2>/dev/null)
do
- check_block_and_slaves $1 $(get_numeric_dev $pv) && return 0
+ check_block_and_slaves $1 $(get_numeric_dev $_pv) && return 0
done
fi
fi
# will create ${initdir}/lib64, ${initdir}/lib64/file,
# and a symlink ${initdir}/lib -> lib64.
inst_dir() {
- local dir="$1"
- [[ -e ${initdir}$dir ]] && return 0
+ local _dir="$1"
+ local _file=""
+ local IFS="/"
+ local _part
+ [[ -e ${initdir}$_dir ]] && return 0
# iterate over parent directories
- local file=""
- local IFS="/"
- for part in $dir; do
- [[ $part ]] || continue
- file="$file/$part"
- [[ -e ${initdir}$file ]] && continue
+ for _part in $_dir; do
+ [[ $_part ]] || continue
+ _file="$_file/$_part"
+ [[ -e ${initdir}$_file ]] && continue
- if [[ -L $file ]]; then
+ if [[ -L $_file ]]; then
# create link as the original
- local target=$(readlink "$file")
- ln -sfn "$target" "${initdir}$file" || return 1
+ local target=$(readlink "$_file")
+ ln -sfn "$target" "${initdir}$_file" || return 1
# resolve relative path and recursively install destination
- [[ $target == ${target#/} ]] && target="$(dirname "$file")/$target"
+ [[ $target == ${target#/} ]] && target="$(dirname "$_file")/$target"
inst_dir "$target"
else
# create directory
- mkdir -m 0755 -p "${initdir}$file" || return 1
+ mkdir -m 0755 -p "${initdir}$_file" || return 1
fi
done
}
# Location of the image dir is assumed to be $initdir
# We never overwrite the target if it exists.
inst_simple() {
- local src target
+ local _src target
[[ -f $1 ]] || return 1
- src=$1 target="${2:-$1}"
+ _src=$1 target="${2:-$1}"
if ! [[ -d ${initdir}$target ]]; then
[[ -e ${initdir}$target ]] && return 0
inst_dir "${target%/*}"
fi
# install checksum files also
- if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
- inst "${src%/*}/.${src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
+ if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
+ inst "${_src%/*}/.${_src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
fi
- ddebug "Installing $src"
- cp -pfL "$src" "${initdir}$target"
+ ddebug "Installing $_src"
+ cp -pfL "$_src" "${initdir}$target"
}
# find symlinks linked to given library file
# It handles making symlinks according to how the original library
# is referenced.
inst_library() {
- local src=$1 dest=${2:-$1} lib reallib symlink
- [[ -e $initdir$dest ]] && return 0
- if [[ -L $src ]]; then
+ local _src=$1 _dest=${2:-$1} _lib _reallib _symlink
+ [[ -e $initdir$_dest ]] && return 0
+ if [[ -L $_src ]]; then
# install checksum files also
- if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
- inst "${src%/*}/.${src##*/}.hmac" "${dest%/*}/.${dest##*/}.hmac"
+ if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
+ inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac"
fi
- reallib=$(readlink -f "$src")
- lib=${src##*/}
- inst_simple "$reallib" "$reallib"
- inst_dir "${dest%/*}"
- (cd "${initdir}${dest%/*}" && ln -sfn "$reallib" "$lib")
+ _reallib=$(readlink -f "$_src")
+ _lib=${_src##*/}
+ inst_simple "$_reallib" "$_reallib"
+ inst_dir "${_dest%/*}"
+ (cd "${initdir}${_dest%/*}" && ln -sfn "$_reallib" "$_lib")
else
- inst_simple "$src" "$dest"
+ inst_simple "$_src" "$_dest"
fi
# Create additional symlinks. See rev_symlinks description.
- for symlink in $(rev_lib_symlinks $src) $(rev_lib_symlinks $reallib); do
- [[ ! -e $initdir$symlink ]] && {
- ddebug "Creating extra symlink: $symlink"
- inst_symlink $symlink
+ for _symlink in $(rev_lib_symlinks $_src) $(rev_lib_symlinks $_reallib); do
+ [[ ! -e $initdir$_symlink ]] && {
+ ddebug "Creating extra symlink: $_symlink"
+ inst_symlink $_symlink
}
done
}
# find a binary. If we were not passed the full path directly,
# search in the usual places to find the binary.
find_binary() {
- local binpath="/bin /sbin /usr/bin /usr/sbin" p
+ local _binpath="/bin /sbin /usr/bin /usr/sbin" _p
if [[ -z ${1##/*} ]]; then
if [[ -x $1 ]] || ldd $1 &>/dev/null; then
echo $1
return 0
fi
fi
- for p in $binpath; do
- [[ -x $p/$1 ]] && { echo "$p/$1"; return 0; }
+ for _p in $_binpath; do
+ [[ -x $_p/$1 ]] && { echo "$_p/$1"; return 0; }
done
return 1
}
# Same as above, but specialized to install binary executables.
# Install binary executable, and all shared library dependencies, if any.
inst_binary() {
- local bin target f self so_regex lib_regex TLIBDIR BASE FILE
+ local _bin _target _f _self _so_regex _lib_regex _tlibdir _base _file _line
- bin=$(find_binary "$1") || return 1
- target=${2:-$bin}
- inst_symlink $bin $target && return 0
- [[ -e $initdir$target ]] && return 0
+ _bin=$(find_binary "$1") || return 1
+ _target=${2:-$_bin}
+ inst_symlink $_bin $_target && return 0
+ [[ -e $initdir$_target ]] && return 0
# If the binary being installed is also a library, add it to the loop.
- so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
- [[ $bin =~ $so_regex ]] && self="\t${bin##*/} => ${bin} (0x0)\n"
+ _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
+ [[ $_bin =~ $_so_regex ]] && _self="\t${_bin##*/} => ${_bin} (0x0)\n"
- lib_regex='^(/lib[^/]*).*'
+ _lib_regex='^(/lib[^/]*).*'
# I love bash!
- { LC_ALL=C ldd $bin 2>/dev/null; echo -en "$self"; } | while read line; do
- [[ $line = 'not a dynamic executable' ]] && return 1
- if [[ $line =~ not\ found ]]; then
- dfatal "Missing a shared library required by $bin."
- dfatal "Run \"ldd $bin\" to find out what it is."
+ { LC_ALL=C ldd $_bin 2>/dev/null; echo -en "$_self"; } | while read _line; do
+ [[ $_line = 'not a dynamic executable' ]] && return 1
+ if [[ $_line =~ not\ found ]]; then
+ dfatal "Missing a shared library required by $_bin."
+ dfatal "Run \"ldd $_bin\" to find out what it is."
dfatal "dracut cannot create an initrd."
exit 1
fi
- [[ $line =~ $so_regex ]] || continue
- FILE=${BASH_REMATCH[1]}
- [[ -e ${initdir}$FILE ]] && continue
+ [[ $_line =~ $_so_regex ]] || continue
+ _file=${BASH_REMATCH[1]}
+ [[ -e ${initdir}$_file ]] && continue
# See if we are loading an optimized version of a shared lib.
- if [[ $FILE =~ $lib_regex ]]; then
- TLIBDIR=${BASH_REMATCH[1]}
- BASE=${FILE##*/}
+ if [[ $_file =~ $_lib_regex ]]; then
+ _tlibdir=${BASH_REMATCH[1]}
+ _base=${_file##*/}
# Prefer nosegneg libs to unoptimized ones.
- for f in "$TLIBDIR/i686/nosegneg" "$TLIBDIR"; do
- [[ -e $f/$BASE ]] || continue
- FILE=$f/$BASE
+ for _f in "$_tlibdir/i686/nosegneg" "$_tlibdir"; do
+ [[ -e $_f/$_base ]] || continue
+ _file=$_f/$_base
break
done
- inst_library "$FILE" "$TLIBDIR/$BASE"
+ inst_library "$_file" "$_tlibdir/$_base"
else
- inst_library "$FILE"
+ inst_library "$_file"
fi
done
# Install the binary if it wasn't handled in the above loop.
- [[ -z $self ]] && inst_simple "$bin" "$target"
+ [[ -z $_self ]] && inst_simple "$_bin" "$_target"
}
# same as above, except for shell scripts.
# If your shell script does not start with shebang, it is not a shell script.
inst_script() {
[[ -f $1 ]] || return 1
- local line
- read -r -n 80 line <"$1"
+ local _line _shebang_regex
+ read -r -n 80 _line <"$1"
# If debug is set, clean unprintable chars to prevent messing up the term
- [[ $debug ]] && line=$(echo -n "$line" | tr -c -d '[:print:][:space:]')
- shebang_regex='(#! *)(/[^ ]+).*'
- [[ $line =~ $shebang_regex ]] || return 1
+ [[ $debug ]] && _line=$(echo -n "$_line" | tr -c -d '[:print:][:space:]')
+ _shebang_regex='(#! *)(/[^ ]+).*'
+ [[ $_line =~ $_shebang_regex ]] || return 1
inst "${BASH_REMATCH[2]}" && inst_simple "$@"
}
# same as above, but specialized for symlinks
inst_symlink() {
- local src=$1 target=$initdir${2:-$1} realsrc
+ local _src=$1 _target=$initdir${2:-$1} _realsrc
[[ -L $1 ]] || return 1
- [[ -L $target ]] && return 0
- realsrc=$(readlink -f "$src")
- [[ $realsrc = ${realsrc##*/} ]] && realsrc=${src%/*}/$realsrc
- inst "$realsrc" && mkdir -m 0755 -p "${target%/*}" && \
- ln -sfn "$realsrc" "$target"
+ [[ -L $_target ]] && return 0
+ _realsrc=$(readlink -f "$_src")
+ [[ $_realsrc = ${_realsrc##*/} ]] && _realsrc=${_src%/*}/$_realsrc
+ inst "$_realsrc" && mkdir -m 0755 -p "${_target%/*}" && \
+ ln -sfn "$_realsrc" "$_target"
}
# udev rules always get installed in the same place, so
# create a function to install them to make life simpler.
inst_rules() {
- local target=/etc/udev/rules.d rule found
+ local _target=/etc/udev/rules.d _rule _found
inst_dir "/lib/udev/rules.d"
- inst_dir "$target"
- for rule in "$@"; do
+ inst_dir "$_target"
+ for _rule in "$@"; do
for r in /lib/udev/rules.d /etc/udev/rules.d; do
- if [[ -f $r/$rule ]]; then
- found="$r/$rule"
- inst_simple "$found"
+ if [[ -f $r/$_rule ]]; then
+ _found="$r/$_rule"
+ inst_simple "$_found"
fi
done
for r in '' ./ $dracutbasedir/rules.d/; do
- if [[ -f ${r}$rule ]]; then
- found="${r}$rule"
- inst_simple "$found" "$target/${found##*/}"
+ if [[ -f ${r}$_rule ]]; then
+ _found="${r}$_rule"
+ inst_simple "$_found" "$_target/${_found##*/}"
fi
done
- [[ $found ]] || dinfo "Skipping udev rule: $rule"
+ [[ $_found ]] || dinfo "Skipping udev rule: $_rule"
done
}
# general purpose installation function
# Same args as above.
inst() {
+ local _x
+
case $# in
1) ;;
2) [[ ! $initdir && -d $2 ]] && export initdir=$2
*) dfatal "inst only takes 1 or 2 or 3 arguments"
exit 1;;
esac
- for x in inst_symlink inst_script inst_binary inst_simple; do
- $x "$@" && return 0
+ for _x in inst_symlink inst_script inst_binary inst_simple; do
+ $_x "$@" && return 0
done
return 1
}
}
dracut_install() {
+ local _optional=no
if [[ $1 = '-o' ]]; then
- local optional=yes
+ _optional=yes
shift
fi
while (($# > 0)); do
if ! inst "$1" ; then
- if [[ $optional = yes ]]; then
+ if [[ $_optional = yes ]]; then
dwarn "Skipping program $1 as it cannot be found and is" \
"flagged to be optional"
else
# Function install targets in the same paths inside overlay but decompressed
# and without extensions (.gz, .bz2).
inst_decompress() {
- local src dst realsrc realdst cmd
+ local _src _dst _realsrc _realdst _cmd
- for src in $@
+ for _src in $@
do
- case ${src} in
- *.gz) cmd='gzip -d' ;;
- *.bz2) cmd='bzip2 -d' ;;
+ case ${_src} in
+ *.gz) _cmd='gzip -d' ;;
+ *.bz2) _cmd='bzip2 -d' ;;
*) return 1 ;;
esac
- if [[ -L ${src} ]]
+ if [[ -L ${_src} ]]
then
- realsrc="$(readlink -f ${src})" # symlink target with extension
- dst="${src%.*}" # symlink without extension
- realdst="${realsrc%.*}" # symlink target without extension
- mksubdirs "${initdir}/${src}"
+ _realsrc="$(readlink -f ${_src})" # symlink target with extension
+ _dst="${_src%.*}" # symlink without extension
+ _realdst="${_realsrc%.*}" # symlink target without extension
+ mksubdirs "${initdir}/${_src}"
# Create symlink without extension to target without extension.
- ln -sfn "${realdst}" "${initdir}/${dst}"
+ ln -sfn "${_realdst}" "${initdir}/${_dst}"
fi
# If the source is symlink we operate on its target.
- [[ ${realsrc} ]] && src=${realsrc}
- inst ${src}
+ [[ ${_realsrc} ]] && _src=${_realsrc}
+ inst ${_src}
# Decompress with chosen tool. We assume that tool changes name e.g.
# from 'name.gz' to 'name'.
- ${cmd} "${initdir}${src}"
+ ${_cmd} "${initdir}${_src}"
done
}
# install.
# $@ = list of files
inst_opt_decompress() {
- local src
+ local _src
- for src in $@
+ for _src in $@
do
- inst_decompress "${src}" || inst "${src}"
+ inst_decompress "${_src}" || inst "${_src}"
done
}
module_check() {
- local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- [[ -d $moddir ]] || return 1
- if [[ ! -f $moddir/module-setup.sh ]]; then
+ local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
+ local _ret
+ [[ -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
- $moddir/check $hostonly
+ [[ -x $_moddir/check ]] || return 0
+ $_moddir/check $hostonly
return $?
else
unset check depends install installkernel
- . $moddir/module-setup.sh
+ . $_moddir/module-setup.sh
is_func check || return 0
check
- ret=$?
+ _ret=$?
unset check depends install installkernel
- return $ret
+ return $_ret
fi
}
module_depends() {
- local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- [[ -d $moddir ]] || return 1
- if [[ ! -f $moddir/module-setup.sh ]]; then
+ local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
+ 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
+ [[ -x $_moddir/check ]] || return 0
+ $_moddir/check -d
return $?
else
unset check depends install installkernel
- . $moddir/module-setup.sh
+ . $_moddir/module-setup.sh
is_func depends || return 0
depends
- ret=$?
+ _ret=$?
unset check depends install installkernel
- return $ret
+ return $_ret
fi
}
module_install() {
- local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- [[ -d $moddir ]] || return 1
- if [[ ! -f $moddir/module-setup.sh ]]; then
- [[ -x $moddir/install ]] && . "$moddir/install"
+ local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
+ local _ret
+ [[ -d $_moddir ]] || return 1
+ if [[ ! -f $_moddir/module-setup.sh ]]; then
+ [[ -x $_moddir/install ]] && . "$_moddir/install"
return $?
else
unset check depends install installkernel
- . $moddir/module-setup.sh
+ . $_moddir/module-setup.sh
is_func install || return 0
install
- ret=$?
+ _ret=$?
unset check depends install installkernel
- return $ret
+ return $_ret
fi
}
module_installkernel() {
- local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- [[ -d $moddir ]] || return 1
- if [[ ! -f $moddir/module-setup.sh ]]; then
- [[ -x $moddir/installkernel ]] && . "$moddir/installkernel"
+ local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
+ local _ret
+ [[ -d $_moddir ]] || return 1
+ if [[ ! -f $_moddir/module-setup.sh ]]; then
+ [[ -x $_moddir/installkernel ]] && . "$_moddir/installkernel"
return $?
else
unset check depends install installkernel
- . $moddir/module-setup.sh
+ . $_moddir/module-setup.sh
is_func installkernel || return 0
installkernel
- ret=$?
+ _ret=$?
unset check depends install installkernel
- return $ret
+ return $_ret
fi
}
check_module() {
- local mod=$1;
- local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- local moddep;
+ local _mod=$1
+ local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
+ local _ret
+ local _moddep
# If we are already scheduled to be loaded, no need to check again.
- strstr " $mods_to_load " " $mod " && return 0
- strstr " $mods_checked_as_dep " " $mod " && return 1
+ strstr " $mods_to_load " " $_mod " && return 0
+ strstr " $mods_checked_as_dep " " $_mod " && return 1
# This should never happen, but...
- [[ -d $moddir ]] || return 1
+ [[ -d $_moddir ]] || return 1
- [[ $2 ]] || mods_checked_as_dep+=" $mod "
+ [[ $2 ]] || mods_checked_as_dep+=" $_mod "
- strstr " $omit_dracutmodules " " $mod " && return 1
+ strstr " $omit_dracutmodules " " $_mod " && return 1
- if strstr " $dracutmodules $add_dracutmodules " " $mod "; then
- module_check $mod; ret=$?
+ if strstr " $dracutmodules $add_dracutmodules " " $_mod "; then
+ module_check $_mod; ret=$?
# 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 $mod || return 1
+ module_check $_mod || return 1
else
# skip this module
return 1
fi
fi
- for moddep in $(module_depends $mod); do
+ for _moddep in $(module_depends $_mod); do
# handle deps as if they were manually added
- strstr " $add_dracutmodules " " $moddep " || \
- add_dracutmodules+=" $moddep "
+ strstr " $add_dracutmodules " " $_moddep " || \
+ add_dracutmodules+=" $_moddep "
# if a module we depend on fail, fail also
- check_module $moddep || return 1
+ check_module $_moddep || return 1
done
- strstr " $mods_to_load " " $mod " || \
- mods_to_load+=" $mod "
+ strstr " $mods_to_load " " $_mod " || \
+ mods_to_load+=" $_mod "
return 0
}
check_module_dir() {
- local modcheck;
- local mod;
+ local _modcheck
+ local _mod
+ local _moddir
mods_to_load=""
- for moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
- local mod=${moddir##*/}; mod=${mod#[0-9][0-9]}
- check_module $mod 1
+ for _moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
+ _mod=${_moddir##*/}; _mod=${_mod#[0-9][0-9]}
+ check_module $_mod 1
done
# Report any missing dracut modules, the user has specified
- modcheck=$add_dracutmodules
- [[ $dracutmodules != all ]] && modcheck="$m $dracutmodules"
- for mod in $modcheck; do
- strstr "$mods_to_load" "$mod" && continue
- strstr "$omit_dracutmodules" "$mod" && continue
- derror "Dracut module \"$mod\" cannot be found."
+ _modcheck=$add_dracutmodules
+ [[ $dracutmodules != all ]] && _modcheck="$m $dracutmodules"
+ for _mod in $_modcheck; do
+ strstr "$mods_to_load" "$_mod" && continue
+ strstr "$omit_dracutmodules" "$_mod" && continue
+ derror "Dracut module \"$_mod\" cannot be found."
done
}
# Install a single kernel module along with any firmware it may require.
# $1 = full path to kernel module to install
install_kmod_with_fw() {
- local modname=${1##*/} fwdir found
- modname=${modname%.ko*}
+ local _modname=${1##*/} _fwdir _found _fw
+ _modname=${_modname%.ko*}
# no need to go further if the module is already installed
[[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] \
&& return 0
inst_simple "$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" \
|| return $?
- for fw in $(modinfo -k $kernel -F firmware $1 2>/dev/null); do
- found=''
- for fwdir in $fw_dir; do
- if [[ -d $fwdir && -f $fwdir/$fw ]]; then
- inst_simple "$fwdir/$fw" "/lib/firmware/$fw"
- found=yes
+ for _fw in $(modinfo -k $kernel -F firmware $1 2>/dev/null); do
+ _found=''
+ for _fwdir in $fw_dir; do
+ if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then
+ inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw"
+ _found=yes
fi
done
- if [[ $found != yes ]]; then
- if ! grep -qe "\<${modname//-/_}\>" /proc/modules; then
- dinfo "Possible missing firmware \"${fw}\" for kernel module" \
- "\"${modname}.ko\""
+ if [[ $_found != yes ]]; then
+ if ! grep -qe "\<${_modname//-/_}\>" /proc/modules; then
+ dinfo "Possible missing firmware \"${_fw}\" for kernel module" \
+ "\"${_modname}.ko\""
else
- dwarn "Possible missing firmware \"${fw}\" for kernel module" \
- "\"${modname}.ko\""
+ dwarn "Possible missing firmware \"${_fw}\" for kernel module" \
+ "\"${_modname}.ko\""
fi
fi
done
# $2 = module to get dependencies for
# rest of args = arguments to modprobe
for_each_kmod_dep() {
- local func=$1 kmod=$2 cmd modpapth options
+ local _func=$1 _kmod=$2 _cmd _modpath _options _found=0
shift 2
- modprobe "$@" --ignore-install --show-depends $kmod 2>/dev/null | (
- local found=0
- while read cmd modpath options; do
- [[ $cmd = insmod ]] || continue
- $func ${modpath} || exit $?
- found=1
+ modprobe "$@" --ignore-install --show-depends $_kmod 2>/dev/null | (
+ while read _cmd _modpath _options; do
+ [[ $_cmd = insmod ]] || continue
+ $_func ${_modpath} || exit $?
+ _found=1
done
- [[ $found -eq 0 ]] && exit 1
+ [[ $_found -eq 0 ]] && exit 1
exit 0
)
return $?
# If it is not, we will look at all kernel modules
# This function returns the full filenames of modules that match $1
filter_kernel_modules () (
+ local _modname _filtercmd
if ! [[ $hostonly ]]; then
- filtercmd='find "$srcmods/kernel/drivers" "$srcmods/extra"'
- filtercmd+=' "$srcmods/weak-updates" -name "*.ko" -o -name "*.ko.gz"'
- filtercmd+=' 2>/dev/null'
+ _filtercmd='find "$srcmods/kernel/drivers" "$srcmods/extra"'
+ _filtercmd+=' "$srcmods/weak-updates" -name "*.ko" -o -name "*.ko.gz"'
+ _filtercmd+=' 2>/dev/null'
else
- filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename '
- filtercmd+='-k $kernel 2>/dev/null'
+ _filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename '
+ _filtercmd+='-k $kernel 2>/dev/null'
fi
- for modname in $(eval $filtercmd); do
- case $modname in
- *.ko) "$1" "$modname" && echo "$modname";;
- *.ko.gz) gzip -dc "$modname" > $initdir/$$.ko
- $1 $initdir/$$.ko && echo "$modname"
+ for _modname in $(eval $_filtercmd); do
+ case $_modname in
+ *.ko) "$1" "$_modname" && echo "$_modname";;
+ *.ko.gz) gzip -dc "$_modname" > $initdir/$$.ko
+ $1 $initdir/$$.ko && echo "$_modname"
rm -f $initdir/$$.ko
;;
esac
# install kernel modules along with all their dependencies.
instmods() {
[[ $no_kernel = yes ]] && return
- local mod mpargs modpath modname cmd moddirname
- local ret=0
+ local _mod _mpargs _moddirname
+ local _ret=0
while (($# > 0)); do
- mod=${1%.ko*}
- case $mod in
+ _mod=${1%.ko*}
+ case $_mod in
=*)
# This introduces 2 incompatible meanings for =* arguments
# to instmods. We need to decide which one to keep.
- if [[ $mod = =ata && -f $srcmods/modules.block ]]; then
- instmods $mpargs \
+ if [[ $_mod = =ata && -f $srcmods/modules.block ]]; then
+ instmods $_mpargs \
$(egrep 'ata|ahci' "${srcmods}/modules.block")
- elif [ -f $srcmods/modules.${mod#=} ]; then
- instmods $mpargs $(cat ${srcmods}/modules.${mod#=} )
+ elif [ -f $srcmods/modules.${_mod#=} ]; then
+ instmods $_mpargs $(cat ${srcmods}/modules.${_mod#=} )
else
- instmods $mpargs $(find "$srcmods" -path "*/${mod#=}/*")
+ instmods $_mpargs $(find "$srcmods" -path "*/${_mod#=}/*")
fi
;;
--*)
- mod=${mod##*/}
- mpargs+=" $mod";;
+ _mod=${_mod##*/}
+ _mpargs+=" $_mod";;
i2o_scsi) shift; continue;; # Do not load this diagnostic-only module
- *) mod=${mod##*/}
+ *) _mod=${_mod##*/}
# if we are already installed, skip this module and go on
# to the next one.
[[ -f $initdir/$1 ]] && { shift; continue; }
# If we are building a host-specific initramfs and this
# module is not already loaded, move on to the next one.
- [[ $hostonly ]] && ! grep -qe "\<${mod//-/_}\>" /proc/modules \
- && ! echo $add_drivers | grep -qe "\<${mod}\>" && {
+ [[ $hostonly ]] && ! grep -qe "\<${_mod//-/_}\>" /proc/modules \
+ && ! echo $add_drivers | grep -qe "\<${_mod}\>" && {
shift; continue
}
# We use '-d' option in modprobe only if modules prefix path
# differs from default '/'. This allows us to use Dracut with
# old version of modprobe which doesn't have '-d' option.
- moddirname=${srcmods%%/lib/modules/*}
- [[ -n ${moddirname} ]] && moddirname="-d ${moddirname}/"
+ _moddirname=${srcmods%%/lib/modules/*}
+ [[ -n ${_moddirname} ]] && _moddirname="-d ${_moddirname}/"
# ok, load the module, all its dependencies, and any firmware
# it may require
- for_each_kmod_dep install_kmod_with_fw $mod \
- --set-version $kernel ${moddirname}
- ((ret+=$?))
+ for_each_kmod_dep install_kmod_with_fw $_mod \
+ --set-version $kernel ${_moddirname}
+ ((_ret+=$?))
;;
esac
shift
done
- return $ret
+ return $_ret
}
projects / platform / upstream / dracut.git / commitdiff