dracut-functions: code formatting corrected
Amadeusz Żołnowski
Harald Hoyer
parent
b991617f19
commit
0b70674329
145
dracut-functions
145
dracut-functions
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@ -70,7 +70,7 @@ vercmp() {
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}
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is_func() {
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[[ $(type -t $1) = "function" ]]
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[[ $(type -t $1) = "function" ]]
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}
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# Function prints global variables in format name=value line by line.
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@ -119,25 +119,25 @@ get_fs_uuid() (
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# finds the major:minor of the block device backing the root filesystem.
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find_block_device() {
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local x mpt majmin dev fs misc maj min
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if [[ $use_fstab != yes ]]; then
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if [[ $use_fstab != yes ]]; then
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while read x x majmin x mpt x x fs dev misc; do
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[[ $fs = nfs ]] && { echo $dev; return 0;}
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[[ $fs = nfs3 ]] && { echo $dev; return 0;}
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[[ $fs = nfs4 ]] && { echo $dev; return 0;}
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[[ $fs = btrfs ]] && {
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ls -nLl "$dev" | {
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read x x x x maj min x;
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maj=${maj//,/};
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echo $maj:$min;
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ls -nLl "$dev" | {
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read x x x x maj min x
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maj=${maj//,/}
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echo $maj:$min
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} && return 0
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}
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if [[ $mpt = $1 ]] && [[ ${majmin#0:} = $majmin ]]; then
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echo $majmin;
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echo $majmin
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return 0 # we have a winner!
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fi
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done < /proc/self/mountinfo
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done < /proc/self/mountinfo
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fi
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# fall back to /etc/fstab
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# fall back to /etc/fstab
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while read dev mpt fs misc; do
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if [[ $mpt = $1 ]]; then
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[[ $fs = nfs ]] && { echo $dev; return 0;}
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@ -146,14 +146,15 @@ find_block_device() {
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[[ $dev != ${dev#UUID=} ]] && dev=/dev/disk/by-uuid/${dev#UUID=}
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[[ $dev != ${dev#LABEL=} ]] && dev=/dev/disk/by-label/${dev#LABEL=}
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[[ -b $dev ]] || return 1 # oops, not a block device.
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ls -nLl "$dev" | {
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read x x x x maj min x;
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maj=${maj//,/};
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echo $maj:$min;
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ls -nLl "$dev" | {
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read x x x x maj min x
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maj=${maj//,/}
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echo $maj:$min
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} && return 0
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fi
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done < /etc/fstab
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return 1;
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return 1
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}
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find_root_block_device() { find_block_device /; }
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@ -162,24 +163,24 @@ find_root_block_device() { find_block_device /; }
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# Stop when our helper function returns success
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# $1 = function to call on every found block device
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# $2 = block device in major:minor format
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check_block_and_slaves() {
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local x
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check_block_and_slaves() {
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local x
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[[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
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"$1" $2 && return
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check_vol_slaves "$@" && return 0
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if [[ -f /sys/dev/block/$2/../dev ]]; then
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check_block_and_slaves $1 $(cat "/sys/dev/block/$2/../dev") && return 0
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check_block_and_slaves $1 $(cat "/sys/dev/block/$2/../dev") && return 0
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fi
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[[ -d /sys/dev/block/$2/slaves ]] || return 1
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for x in /sys/dev/block/$2/slaves/*/dev; do
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[[ -f $x ]] || continue
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check_block_and_slaves $1 $(cat "$x") && return 0
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check_block_and_slaves $1 $(cat "$x") && return 0
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done
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return 1
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}
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get_numeric_dev() {
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ls -lH "$1" | { read a b c d maj min rest; printf "%d:%d" ${maj%%,} $min;}
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ls -lH "$1" | { read a b c d maj min rest; printf "%d:%d" ${maj%%,} $min; }
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}
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# ugly workaround for the lvm design
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@ -189,17 +190,16 @@ get_numeric_dev() {
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# but you cannot create the logical volume without the volume group.
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# And the volume group might be bigger than the devices the LV needs.
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check_vol_slaves() {
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for i in /dev/mapper/*; do
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for i in /dev/mapper/*; do
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lv=$(get_numeric_dev $i)
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if [[ $lv = $2 ]]; then
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vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null)
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# strip space
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vg=$(echo $vg)
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if [[ $vg ]]; then
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for pv in $(lvm vgs --noheadings -o pv_name "$vg" 2>/dev/null); \
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do
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check_block_and_slaves $1 $(get_numeric_dev $pv) \
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&& return 0
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for pv in $(lvm vgs --noheadings -o pv_name "$vg" 2>/dev/null)
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do
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check_block_and_slaves $1 $(get_numeric_dev $pv) && return 0
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done
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fi
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fi
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@ -228,7 +228,7 @@ inst_dir() {
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local target=$(readlink "$file")
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ln -sfn "$target" "${initdir}$file" || return 1
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# resolve relative path and recursively install destination
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[[ $target == ${target#/} ]] && target=$(dirname "$file")/$target
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[[ $target == ${target#/} ]] && target="$(dirname "$file")/$target"
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inst_dir "$target"
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else
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# create directory
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@ -242,7 +242,7 @@ inst_dir() {
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# Location of the image dir is assumed to be $initdir
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# We never overwrite the target if it exists.
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inst_simple() {
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local src target
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local src target
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[[ -f $1 ]] || return 1
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src=$1 target="${2:-$1}"
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if ! [[ -d ${initdir}$target ]]; then
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@ -250,10 +250,10 @@ inst_simple() {
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inst_dir "${target%/*}"
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fi
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# install checksum files also
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if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
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inst "${src%/*}/.${src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
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if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
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inst "${src%/*}/.${src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
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fi
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dinfo "Installing $src"
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dinfo "Installing $src"
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cp -pfL "$src" "${initdir}$target"
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}
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@ -279,7 +279,7 @@ rev_lib_symlinks() {
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[[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
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done
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echo ${links}
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echo "${links}"
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}
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# Same as above, but specialized to handle dynamic libraries.
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@ -289,15 +289,15 @@ inst_library() {
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local src=$1 dest=${2:-$1} lib reallib symlink
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[[ -e $initdir$dest ]] && return 0
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if [[ -L $src ]]; then
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# install checksum files also
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if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
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# install checksum files also
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if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
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inst "${src%/*}/.${src##*/}.hmac" "${dest%/*}/.${dest##*/}.hmac"
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fi
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reallib=$(readlink -f "$src")
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lib=${src##*/}
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inst_simple "$reallib" "$reallib"
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inst_dir "${dest%/*}"
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(cd "${initdir}${dest%/*}" && ln -s "$reallib" "$lib")
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reallib=$(readlink -f "$src")
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lib=${src##*/}
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inst_simple "$reallib" "$reallib"
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inst_dir "${dest%/*}"
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(cd "${initdir}${dest%/*}" && ln -s "$reallib" "$lib")
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else
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inst_simple "$src" "$dest"
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fi
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@ -364,7 +364,7 @@ inst_binary() {
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IF_dynamic=yes
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continue
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fi
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inst_library "$FILE"
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inst_library "$FILE"
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done
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inst_simple "$bin" "$target"
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}
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@ -404,7 +404,7 @@ find_rule() {
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# udev rules always get installed in the same place, so
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# create a function to install them to make life simpler.
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inst_rules() {
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inst_rules() {
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local target=/etc/udev/rules.d rule found
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inst_dir "/lib/udev/rules.d"
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@ -433,7 +433,7 @@ inst() {
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1) ;;
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2) [[ ! $initdir && -d $2 ]] && export initdir=$2
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[[ $initdir = $2 ]] && set $1;;
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3) [[ -z $initdir ]] && export initdir=$2
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3) [[ -z $initdir ]] && export initdir=$2
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set $1 $3;;
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*) derror "inst only takes 1 or 2 or 3 arguments"
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exit 1;;
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@ -459,14 +459,14 @@ inst_hook() {
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derror "Aborting initrd creation."
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exit 1
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elif ! strstr "$hookdirs" "$1"; then
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derror "No such hook type $1. Aborting initrd creation."
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derror "No such hook type $1. Aborting initrd creation."
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exit 1
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fi
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inst_simple "$3" "/lib/dracut/hooks/${1}/${2}${3##*/}"
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}
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dracut_install() {
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if [[ $1 = '-o' ]]; then
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if [[ $1 = '-o' ]]; then
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local optional=yes
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shift
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fi
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@ -671,9 +671,10 @@ install_kmod_with_fw() {
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local modname=${1##*/} fwdir found
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modname=${modname%.ko*}
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# no need to go further if the module is already installed
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[[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] && return 0
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inst_simple "$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" || \
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return $?
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[[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] \
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&& return 0
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inst_simple "$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" \
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|| return $?
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for fw in $(modinfo -k $kernel -F firmware $1 2>/dev/null); do
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found=''
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for fwdir in $fw_dir; do
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@ -691,20 +692,23 @@ install_kmod_with_fw() {
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# Do something with all the dependencies of a kernel module.
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# Note that kernel modules depend on themselves using the technique we use
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# $1 = function to call for each dependency we find
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# It will be passed the full path to the found kernel module
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# $1 = function to call for each dependency we find
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# It will be passed the full path to the found kernel module
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# $2 = module to get dependencies for
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# rest of args = arguments to modprobe
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for_each_kmod_dep() {
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local func=$1 kmod=$2 cmd modpapth options
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local func=$1 kmod=$2 cmd modpapth options
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shift 2
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modprobe "$@" --ignore-install --show-depends $kmod 2>/dev/null | ( \
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local found=0;
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while read cmd modpath options; do
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[[ $cmd = insmod ]] || continue
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$func ${modpath} || exit $?
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modprobe "$@" --ignore-install --show-depends $kmod 2>/dev/null | (
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local found=0
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while read cmd modpath options; do
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[[ $cmd = insmod ]] || continue
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$func ${modpath} || exit $?
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found=1
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done; [[ $found -eq 0 ]] && exit 1; exit 0;)
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done
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[[ $found -eq 0 ]] && exit 1
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exit 0
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)
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return $?
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}
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@ -718,16 +722,20 @@ for_each_kmod_dep() {
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# This function returns the full filenames of modules that match $1
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filter_kernel_modules () (
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if ! [[ $hostonly ]]; then
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filtercmd='find "$srcmods/kernel/drivers" "$srcmods/extra" "$srcmods/weak-updates" -name "*.ko" -o -name "*.ko.gz" 2>/dev/null'
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filtercmd='find "$srcmods/kernel/drivers" "$srcmods/extra"'
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filtercmd+=' "$srcmods/weak-updates" -name "*.ko" -o -name "*.ko.gz"'
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filtercmd+=' 2>/dev/null'
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else
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filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename -k $kernel 2>/dev/null'
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filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename '
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filtercmd+='-k $kernel 2>/dev/null'
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fi
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for modname in $(eval $filtercmd); do
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case $modname in
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*.ko) "$1" "$modname" && echo "$modname";;
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*.ko.gz) gzip -dc "$modname" > $initdir/$$.ko
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$1 $initdir/$$.ko && echo "$modname"
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rm -f $initdir/$$.ko;;
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rm -f $initdir/$$.ko
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;;
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esac
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done
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)
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@ -740,18 +748,19 @@ instmods() {
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while (($# > 0)); do
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mod=${1%.ko*}
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case $mod in
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=*)
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=*)
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# This introduces 2 incompatible meanings for =* arguments
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# to instmods. We need to decide which one to keep.
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if [[ $mod = =ata && -f $srcmods/modules.block ]] ; then
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instmods $mpargs $(egrep 'ata|ahci' "${srcmods}/modules.block")
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if [[ $mod = =ata && -f $srcmods/modules.block ]]; then
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instmods $mpargs \
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$(egrep 'ata|ahci' "${srcmods}/modules.block")
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elif [ -f $srcmods/modules.${mod#=} ]; then
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instmods $mpargs $(cat ${srcmods}/modules.${mod#=} )
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else
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instmods $mpargs $(find "$srcmods" -path "*/${mod#=}/*")
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fi
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;;
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--*)
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--*)
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mod=${mod##*/}
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mpargs+=" $mod";;
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i2o_scsi) shift; continue;; # Do not load this diagnostic-only module
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@ -761,25 +770,25 @@ instmods() {
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[[ -f $initdir/$1 ]] && { shift; continue; }
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# If we are building a host-specific initramfs and this
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# module is not already loaded, move on to the next one.
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[[ $hostonly ]] && ! grep -qe "\<${mod//-/_}\>" /proc/modules && \
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! echo $add_drivers | grep -qe "\<${mod}\>" && {
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shift; continue;
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}
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[[ $hostonly ]] && ! grep -qe "\<${mod//-/_}\>" /proc/modules \
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&& ! echo $add_drivers | grep -qe "\<${mod}\>" && {
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shift; continue
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}
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# We use '-d' option in modprobe only if modules prefix path
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# differs from default '/'. This allows us to use Dracut with
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# old version of modprobe which doesn't have '-d' option.
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moddirname=${srcmods%%/lib/modules/*}
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[[ -n ${moddirname} ]] && moddirname="-d ${moddirname}/"
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# ok, load the module, all its dependencies, and any firmware
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# it may require
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for_each_kmod_dep install_kmod_with_fw $mod \
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--set-version $kernel ${moddirname}
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ret=$((ret+$?))
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;;
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esac
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esac
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shift
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done
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return $ret
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}
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}
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