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#!/bin/sh
# libmove sourcelib targetlib
#
# This allows you to move a new shared library into place,
# even on a running system.
libmove() {
LIBSOURCE=$1
LIBTARGET=$2
LIBFOO="`dirname $LIBTARGET`/libfoo.so.0.0.0"
# link duplicate of target lib so we can safely copy over it:
if [ -r $LIBTARGET ]; then
cp -a $LIBTARGET $LIBFOO
if [ -x /sbin/ldconfig ]; then
ldconfig -l $LIBFOO 2> /dev/null
fi
fi
mv $LIBSOURCE $LIBTARGET
if [ -x /sbin/ldconfig ]; then
ldconfig -l $LIBTARGET 2> /dev/null
fi
rm -f $LIBFOO
}
# Before using libmove, try to install everything we can:
( cd lib/incoming
for file in * ; do
if [ ! -r ../$file ]; then
cp -a $file ..
fi
done )
# Prepare the library for use with ldconfig:
if [ -x sbin/ldconfig ]; then
chroot . /sbin/ldconfig
fi
( cd lib/incoming
for file in * ; do
libmove $file ../$file
done )
#### Now, get rid of the temporary directory:
rm -rf lib/incoming
# add the library to /etc/ld.so.preload:
if fgrep libsafe.so.2 etc/ld.so.preload 1> /dev/null 2> /dev/null ; then
GOOD=we_found_it
else
echo "/lib/libsafe.so.2" >> etc/ld.so.preload
fi
# Prepare the library for use with ldconfig:
if [ -x sbin/ldconfig ]; then
chroot . /sbin/ldconfig
else # In case there's no ldconfig, make the links manually:
( cd lib ; rm -rf libsafe.so.2 )
( cd lib ; ln -sf libsafe.so.2.0.9 libsafe.so.2 )
fi
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