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calculate-overlay/eclass/calculate.eclass

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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header:
inherit eutils linux-info versionator
EXPORT_FUNCTIONS pkg_postinst
# @FUNCTION: last_arg
# @USING: last_arg manyarguments
# @DESCRIPTION:
# print last argument
last_arg() {
shift $(( $# - 1 ))
echo $1
}
# @FUNCTION: rm_link_with_file
# @USING: rm_link_with_file filename
# @DESCRIPTION:
# delete the file, and if it is symbolic then delete the file,
# which point out a link
rm_link_with_file() {
[[ -L $1 ]] && rm -f `readlink -f $1`
rm -f $1
}
# @FUNCTION: cp_link_with_file
# @USING: cp_link_with_file filename suffix
# @DESCRIPTION:
# copy the file with the same name with the suffix, and if it is a symbolic
# link, then also copy the target file with the addition of the suffix
cp_link_with_file() {
if [[ -L $1 ]]
then
rm -f `readlink -f ${1}`$2
cp -aH ${1} `readlink -f ${1}`$2
ln -sf `readlink ${1}`${2} ${1}${2}
else
rm -f ${1}${2}
cp -aH ${1} ${1}${2}
fi
}
# @FUNCTION: make_old_file
# @USAGE: make_old_file filename
# @DESCRIPTION:
# wear out a file, copy the file, adding its name suffix ". old"
# support symbolic link
make_old_file() {
if [[ -e $1 ]]
then
rm_link_with_file $1.old
cp_link_with_file $1 .old
fi
rm_link_with_file $1
}
# @FUNCTION: update_file
# @USAGE: wear_out_file filename link
# @DESCRIPTION:
# update a file from filename-installed, and make old file if need
update_file() {
# if newest file is absent
[[ -e $1-installed ]] || return 1
# link and filename exist
if [[ `readlink -f $2` == `readlink -f $1` ]]
then
make_old_file $2
else
# rename link to link.old
mv $2 $2.old &>/dev/null
# make old filename
make_old_file $1
# fix link pointed to previous filename
find -lname "$1" -exec ln -sf $1.old {} \;
fi
# make link to filename
ln -sf `basename $1` $2
# rename installed
mv $1-installed $1
}
# @FUNCTION: detect_linux_shortname
# @USAGE:
# @DESCRIPTION:
# Detect calculate linux shortname by /etc/make.profile
detect_linux_shortname() {
local makeprofile=$(readlink ${ROOT}/etc/make.profile)
local profile=
local system=
local shortname=
while [[ $profile != "calculate" && $profile != "." ]]
do
shortname=$system
system=$profile
profile=$(basename $makeprofile)
makeprofile=$(dirname $makeprofile)
done
if [[ $profile == "calculate" ]]
then
echo $shortname
else
echo "gentoo"
fi
}
# @FUNCTION: calculate_update_kernel
# @USAGE: [kernelname] [kernelversion] [destination]
# @DESCRIPTION:
# Make symbolic link to vmlinuz, preserve old vmlinuz
# Copy initramfs to initrd and initrd-install
calculate_update_kernel() {
kversion=$1
dir=$2
# update vmlinuz
update_file ${dir}/vmlinuz-${kversion} ${dir}/vmlinuz
# update initrd
update_file ${dir}/initramfs-${kversion} ${dir}/initrd
# update initrd-install
update_file ${dir}/initramfs-${kversion}-install ${dir}/initrd-install
# update System.map
update_file ${dir}/System.map-${kversion} ${dir}/System.map
# update config-{KV_FULL}
make_old_file ${dir}/config-${kversion}
mv ${dir}/config-${kversion}-installed ${dir}/config-${kversion}
ebegin "Trying to optimize initramfs"
( which calculate &>/dev/null && calculate --initrd ) && eend 0 || eend 1
if [[ "$(md5sum ${ROOT}/boot/initrd | awk '{print $1}')" == \
"$(md5sum ${ROOT}/boot/initrd-install | awk '{print $1}')" ]]
then
ewarn
ewarn "Perform command after reboot for optimization initramfs:"
ewarn " calculate --initrd"
fi
}
is_broken_link() {
fname=$1
[[ -n $( file $fname | grep "broken symbolic link" ) ]] &&
return 0 || return 1
}
# @FUNCTION: calculate_restore_kernel
# @USAGE: [destination]
# @DESCRIPTION:
# Restore vmlinux.old and initrd.old in destination
calculate_restore_kernel() {
dir=$1
# restore vmlinuz
is_broken_link ${dir}/vmlinuz && [ -f ${dir}/vmlinuz.old ] &&
mv ${dir}/vmlinuz.old ${dir}/vmlinuz
# resotre initrd
is_broken_link ${dir}/initrd && [ -f ${dir}/initrd.old ] &&
mv ${dir}/initrd.old ${dir}/initrd
# restore System.map
is_broken_link ${dir}/System.map && [ -f ${dir}/System.map.old ] &&
mv ${dir}/System.map.old ${dir}/System.map
}
TMP_INITRAMFS=${T}/initramfs
SPLASH_DESCRIPTOR=/etc/splash/tty1/1024x768.cfg
# @FUNCTION: calculate_rm_modules_dir
# @USAGE: [CONTENTS]
# @DESCRIPTION:
# Remove installed files from lib/modules specified by CONTENTS file.
# For work need specify and create SLOT_T directory for .alreadydel flag file,
# which determined was or not file removing.
calculate_rm_modules_dir() {
PKG_CONTENTS=$1
[[ -f ${SLOT_T}/.alreadydel ]] && return 0 ||
touch ${SLOT_T}/.alreadydel &>/dev/null
addwrite "/lib/modules"
DIRRM=$( sed -rn '/^dir.*lib\/modules/ s/^\S+\s+(\S+)\s*.*$/\1/p' \
${PKG_CONTENTS} | sort -r)
FILERM=$( sed -rn '/^(obj|sym).*lib\/modules/ s/^\S+\s+(\S+)\s+.*$/\1/p' ${PKG_CONTENTS} )
if [[ -n ${FILERM} ]]
then
for f in ${FILERM}
do
rm -f $f
done
fi
if [[ -n ${DIRRM} ]]
then
for f in ${DIRRM}
do
rmdir $f &>/dev/null
done
fi
}
initramfs_unpack() {
mkdir -p ${TMP_INITRAMFS}
cd ${TMP_INITRAMFS}
# select arch
UNPACKER="gzip"
lzma --force -t $1 &>/dev/null && UNPACKER="lzma"
# unpack initramfs
${UNPACKER} -dc $1 | cpio -di &>/dev/null
return $?
}
initramfs_change_spalsh() {
if [ -f ${ROOT}${SPLASH_DESCRIPTOR} ]
then
# get silentpic param
SILENTPIC=$( sed -nr '/^silentpic/ s/^[^=]+=(.*)$/\1/p' \
${ROOT}${SPLASH_DESCRIPTOR} )
# get pic param
PIC=$( sed -nr '/^pic/ s/^[^=]+=(.*)$/\1/p' \
${ROOT}${SPLASH_DESCRIPTOR} )
if [ -f ${ROOT}${SILENTPIC} ] && [ -f ${ROOT}${PIC} ]
then
cp ${ROOT}${SPLASH_DESCRIPTOR} \
${TMP_INITRAMFS}${SPLASH_DESCRIPTOR} &&
mkdir -p ${TMP_INITRAMFS}${SILENTPIC%$(basename $SILENTPIC)} &&
cp ${ROOT}${SILENTPIC} ${TMP_INITRAMFS}${SILENTPIC} &&
mkdir -p ${TMP_INITRAMFS}${PIC%$(basename $PIC)} &&
cp ${ROOT}$PIC ${TMP_INITRAMFS}${PIC}
return $?
fi
else
return 1
fi
}
initramfs_pack() {
# pack new initramfs
cd ${TMP_INITRAMFS}
find * | cpio -o --quiet -H newc | gzip -9 >$1
}
# @FUNCTION: calculate_update_splash
# @USAGE: [initramfsfile]
# @DESCRIPTION:
# Install into initramfs splash data, which descripted by
# /etc/splash/tty1/1024x768.cfg
calculate_update_splash() {
local initrdfile=$1
for theme_name in calculate tty1
do
if which splash_geninitramfs &>/dev/null && \
[[ -e /etc/splash/$theme_name ]]
then
ebegin "Update splash screen for $1"
if [[ -L $initrdfile ]]
then
initrdfile=$(readlink -f $initrdfile)
fi
if [[ -f $initrdfile ]]
then
splash_geninitramfs -a $initrdfile $theme_name &>/dev/null
eend $?
else
eend 1
fi
return 0
fi
done
}
# @FUNCTION: calculate_set_kernelversion
# @USAGE: KERNEL_DIR
# @DESCRIPTION:
# Change version in Makefile of kernel sources on version specified by
# variables KV_MAJOR KV_MINOR KV_PATCH KV_TYPE
calculate_set_kernelversion() {
KERNEL_DIR=$1
sed -ri "s/^VERSION = .*$/VERSION = $KV_MAJOR/" \
${KERNEL_DIR}/Makefile
sed -ri "s/^PATCHLEVEL = .*$/PATCHLEVEL = $KV_MINOR/" \
${KERNEL_DIR}/Makefile
sed -ri "s/^SUBLEVEL = .*$/SUBLEVEL = $KV_PATCH/" \
${KERNEL_DIR}/Makefile
sed -ri "s/^EXTRAVERSION = .*$/EXTRAVERSION = $KV_TYPE/" \
${KERNEL_DIR}/Makefile
}
# FUNCTION: calculate_update_modules
# DESCRIPTION:
# It calls the update-modules utility. Get from linux-mod.
calculate_update_modules() {
if [ -x /sbin/update-modules ] && \
grep -v -e "^#" -e "^$" "${D}"/etc/modules.d/* >/dev/null 2>&1; then
ebegin "Updating modules.conf"
/sbin/update-modules
eend $?
elif [ -x /sbin/update-modules ] && \
grep -v -e "^#" -e "^$" "${D}"/etc/modules.d/* >/dev/null 2>&1; then
ebegin "Updating modules.conf"
/sbin/update-modules
eend $?
fi
}
# FUNCTION: calculate_update_depmod
# DESCRIPTION:
# It updates the modules.dep file for the current kernel.
# Get from linux-mod.
calculate_update_depmod() {
# if we haven't determined the version yet, we need too.
get_version;
ebegin "Updating module dependencies for ${KV_FULL}"
if [ -r "${KV_OUT_DIR}"/System.map ]
then
depmod -ae -F "${KV_OUT_DIR}"/System.map -b "${ROOT}" -r ${KV_FULL}
eend $?
else
ewarn
ewarn "${KV_OUT_DIR}/System.map not found."
ewarn "You must manually update the kernel module dependencies using depmod."
eend 1
ewarn
fi
}
# FUNCTION: calculate_clean_firmwares
# DESCRIPTION:
# Workaround kernel issue with collising
# firmwares across different kernel versions
calculate_clean_firmwares() {
for fwfile in `find "${ROOT}/tmp/firmware" -type f`; do
sysfile="${ROOT}/lib/${fwfile/${ROOT}/tmp/}"
if [ -f "${sysfile}" ]; then
#ewarn "Removing duplicated: ${sysfile}"
rm ${sysfile} || die "failed to remove ${sysfile}"
fi
done
}
# FUNCTION: get_value
# DESCRIPTION:
# Get the value of the variable from stdio.
get_value() {
sed -rn "s/^(.*\s+)?+$1=\"?([^\" ]*)\"?(\s+.*|$)/\2/p"
}
# FUNCTION: set_value
# DESCRIPTION:
# Set the value to the variable in the file
set_value() {
local var=$1
local value=$2
local filename=$3
[[ -n $( get_value $var < $filename ) ]] &&
sed -ri "s/^$var=(\"?[^\"]*\"?)$/$var=$value/" $filename ||
echo "$var=$value" >>$filename
}
# @VARIABLE: CALCULATE_INI
# @DESCRIPTION:
# Fullpath to calculate.ini
CALCULATE_INI=${ROOT}/etc/calculate/calculate.ini
# @VARIABLE: LINUXVER
# @DESCRIPTION:
# The version of current operation system.
LINUXVER=
# @VARIABLE: ROOTDEV
# @DESCRIPTION:
# Boot device.
ROOTDEV=
# FUNCTION: change_issue
# DESCRIPTION:
# Change version in /etc/issue
change_issue() {
sed -ri "s/${LINUXVER}/${PV}/" ${ROOT}/etc/issue
}
# FUNCTION: change_grub
# DESCRIPTION:
# Change version for grub
change_grub() {
sed -ri "/^title/ {:f;N;s/\nkernel/&/;tc;bf;:c;s|root=${ROOTDEV}|&|;Te;s/ ${LINUXVER} / $PV /;:e}" /boot/grub/grub.conf
}
# FUNCTION: calculate_initvars
# DESCRIPTION:
# Init LINUXVER,ROOTDEV
calculate_initvars() {
makeProfile=/etc/make.profile
if [[ -f ${CALCULATE_INI} ]]
then
LINUXVER=$( get_value linuxver < ${CALCULATE_INI} )
else
LINUXVER=10
if [[ $(readlink $makeProfile) =~ \
.*(calculate/(server|desktop)/([^/]+)/).* ]]
then
CALCULATEDISTRO=$(echo ${BASH_REMATCH[3]} | tr [:upper:] [:lower:])
metaPkgFile=/var/db/pkg/app-misc
if [[ "$(ls $metaPkgFile | grep ${CALCULATEDISTRO}-meta)" =~ \
${CALCULATEDISTRO}-meta-((.*?)-r[0-9]+|(.*?)) ]]
then
if [[ -n ${BASH_REMATCH[2]} ]]
then
LINUXVER=${BASH_REMATCH[2]}
else
LINUXVER=${BASH_REMATCH[3]}
fi
fi
fi
fi
ROOTDEV=$( get_value root < ${ROOT}/proc/cmdline )
}
# FUNCTION: calculate_change_version
# DESCRIPTION:
# Change the version of the system in calculate.ini,issue,grub.conf
calculate_change_version() {
calculate_initvars
if [[ -n "${LINUXVER}" ]] && ! version_is_at_least ${PV} ${LINUXVER}
then
ebegin "Change version of operation system"
change_issue &&
change_grub
eend $?
fi
}
# FUNCTION: get_last_filename
# DESCRIPTION:
# Get latest regular file by name
get_last_filename() {
findfiles=$(ls -d $1/$2*{-[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9],[CDGXS]}$3 2>/dev/null)
if [[ -n $findfiles ]]
then
for line in $findfiles
do
if [[ $(LANG=C stat -c %F $line) == "regular file" ]]
then
echo $(stat -c %Y $line) $line
fi
done | sort | tail -1 | awk '{print $2}'
fi
}
# FUNCTION: calculate_get_current_initrd
# DESCRIPTION:
# Get current initrd or initrd with suffix
calculate_get_current_initrd() {
calculate_initvars
local suffix=$1
if [[ -f /boot/grub/grub.conf ]]
then
filename=$(sed -nr "/^title/{ #find title in grub.conf
:readnextline;N; #read next line
s/\ninitrd/&/; #if pattern not contents initrd
Treadnextline; #goto read next line
s|root=${ROOTDEV}.*initrd.*${suffix}|&|; #if menuitem not for this system
Tskipmenuitem; #then skip menuitem
s|^.*initrd (.*)$|\1|p; #display initramfs
q;
:skipmenuitem;
d;
}" /boot/grub/grub.conf)
if [[ -z $filename ]]
then
get_last_filename /boot initr ${suffix}
else
echo $filename
fi
else
get_last_filename /boot initr ${suffix}
fi
}
calculate_pkg_postinst() {
case "${PN}" in
cld-themes|cmc-themes|cds-themes|cls-themes|cldg-themes|cldx-themes|splash-themes-calculate)
local initrdfile=$(calculate_get_current_initrd )
local initrdinstallfile=$(calculate_get_current_initrd -install)
[[ -f ${ROOT}${initrdfile} ]] &&
calculate_update_splash ${ROOT}${initrdfile}
[[ -f ${ROOT}${initrdinstallfile} &&
"${ROOT}${initrdinstallfile}" != "${ROOT}${initrdfile}" ]] &&
calculate_update_splash ${ROOT}${initrdinstallfile}
;;
esac
}
# FUNCTION: calculate_update_ver (/boot vmlinuz
# DESCRIPTION:
# Create backups of older versions before installing
calculate_update_ver() {
local dir=$1
local fn=$2
local ver=$3
local src=$4
local suffix="$5"
if [ -f "$dir/$fn-$ver$suffix" ] ; then
mv "$dir/$fn-$ver$suffix" "$dir/$fn-$ver$suffix.old"
fi
cat "$src" > "$dir/$fn-$ver$suffix"
}
# FUNCTION: calculate_fix_lib_modules_contents
# DESCRIPTION:
# Unlink /lib/modules files from CONTENTS
calculate_fix_lib_modules_contents() {
local vardb=/var/db/pkg
local content="${vardb}/${CATEGORY}/${PF}/CONTENTS"
sed -i '/ \/lib\/modules/d' $content
}