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|
#!/bin/bash
#
#
# general: linking libGL.so and stuff to writable locations
#
#
PLUGIN_PATH="/opt/openslx/plugin-repo/xserver/"
# this has to be writable in stage3
LINK_PATH="/var/X11R6/lib/"
# these are to link libs to
ATIROOT="${PLUGIN_PATH}ati"
NVROOT="${PLUGIN_PATH}nvidia"
# this is the diversion path of libraries
if [ ! -d "${LINK_PATH}" ]; then
mkdir -p "${LINK_PATH}"
fi
VAL=0 # this is the return value of following helper functions
stripstr() {
VAL=$(echo ${1} | sed -e "s,^${2},,g")
}
stripbase() {
VAL=$(echo ${1} | sed -e "s,$(basename ${1}),,g")
}
## additional helper functions without return value
# moves mesa lib to backup
mvmesa() {
MESALIB="$(echo ${1} | sed -e 's,\.so,_MESA.so,g')"
mv ${1} ${MESALIB}
}
# makes dir, if not exists
testmkdir() {
if [ ! -d ${1} ]; then
mkdir -p ${1}
fi
}
#######################################
#
# Link all files FROM $1 to /usr/lib/
#
# Conflicting files are linked to
# /var/X11R6/lib
#
# mesa files are renamed to *_MESA.so*
#
#######################################
divert() {
ROOT="${1}"
RR="/usr/lib"
LPATH="/var/X11R6/lib"
# link all shared objects in ${1}
for lib in $(find ${ROOT} -wholename \
"*/xorg/modules" -prune -a '!' -type d -o -name '*so*'); do
# strip leading ROOT - to get e.g.: "/usr/lib/libGL.so.1.2"
stripstr ${lib} ${ROOT}
rlib=${VAL}
# strip leading /usr/lib/ - name for /var/X11R6/lib
stripstr ${rlib} ${RR}
divname=${VAL}
rootname=${RR}
if [ "${VAL}" = "${rlib}" ]; then
# Nothing has been stripped - sounds like /usr/X11R6 etc.
stripstr ${rlib} "/usr/X11R6/lib"
divname=${VAL}
rootname="/usr/X11R6/lib"
fi
#echo "${lib} ${rlib} ${divname} after stripping"
# divert, if exists
if [ -e ${rlib} ]; then
# back up mesa file
mvmesa ${rlib}
# link to /var/X11R6/lib
ln -sf ${LPATH}${divname} ${rlib}
else
# it does not exist in /usr/lib/
# just create folder and link
stripbase ${divname}
testmkdir ${rootname}${VAL}
ln -sf ${lib} ${rlib}
fi
done
touch ${ROOT}/installed
}
###############################################
# remove all links from system fs
#
# just run this function to clean up system
###############################################
uninstDist() {
# put mesa implementation back into place
for file in $(find /usr/lib/ -name '*_MESA.so*' | xargs); do
mesafile="$(echo ${file}|sed -e 's/_MESA.so/.so/')"
mv ${file} ${mesafile}
done
# somehow we have to repair this - what else?
# There is also a generic way, but this is only one file
ln -sf /usr/lib/libGL.so.1.2 /usr/lib/libGL.so.1
ln -sf /usr/lib/libGL.so.1.2 /usr/lib/libGL.so
# delete all remaining links to /opt/openslx and /var/X11R6/lib
find /usr/lib /usr/X11R6/lib -lname "${PLUGIN_PATH}*" \
-o -lname "${LINK_PATH}*" |xargs rm -rf
# delete LINK_PATH
rm -rf ${LINK_PATH}
}
if [ "$1" = "clean" ]; then
uninstDist
exit
fi
if [ "$1" = "both" ]; then
divert $NVROOT
divert $ATIROOT
# /bin/bash
exit
fi
if [ "$1" = "nvidia" ]; then
divert ${NVROOT}
exit
fi
if [ "$1" = "ati" ]; then
divert ${ATIROOT}
exit
fi
|
