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#!/bin/sh
# $Id: /local/trunk/scripts/fakechroot.in 160 2005-09-08T15:35:16.405737Z dexter $
usage () {
cat - >&2 <<EOF
fakechroot, create a fake chroot environment.
usage: fakechroot [-l|--lib fakechrootlib]
[-s|--use-system-libs]
[-h|--help] [-v|--version]
[--] [command]
EOF
exit 1
}
LIB=lib@fakechroot_transformed@.so
PATHS=@libpath@
FAKECHROOT=true
export FAKECHROOT
FAKECHROOT_VERSION=@VERSION@
export FAKECHROOT_VERSION
libfound=no
GETOPTEST=`getopt --version`
case $GETOPTEST in
getopt*) # GNU getopt
TEMP=`getopt -l lib: -l use-system-libs -l version -l help -- +l:svh "$@"`
;;
*) # POSIX getopt ?
TEMP=`getopt l:svh "$@"`
;;
esac
if test "$?" -ne 0; then
usage
fi
eval set -- "$TEMP"
while test "X$1" != "X--"; do
case "$1" in
-l|--lib)
shift
LIB=`eval echo "$1"`
PATHS=
;;
-v|--version)
echo "fakechroot version @VERSION@"
exit 0
;;
-s|--use-system-libs)
PATHS="$PATHS:/usr/lib:/lib"
;;
-h|--help)
usage
;;
esac
shift
done
shift #get rid of the '--'
# make sure the preload is available
if [ -n "$PATHS" ]
then
for dir in `echo $PATHS | sed 's/:/ /g'`
do
if test -r "$dir/$LIB"
then
libfound=yes
fi
done
else
if test -r "$LIB"
then
libfound=yes
fi
fi
if test $libfound = no
then
echo >&2 "fakechroot: preload library not found, aborting."
exit 1
fi
# Keep other library paths
if test -n "$LD_LIBRARY_PATH"; then
PATHS="$PATHS:$LD_LIBRARY_PATH"
fi
# ...and preloaded libs
if test -n "$LD_PRELOAD"; then
LIB="$LIB $LD_PRELOAD"
fi
if test -z "$*"; then
LD_LIBRARY_PATH="$PATHS"
LD_PRELOAD="$LIB"
export LD_LIBRARY_PATH LD_PRELOAD
exec ${SHELL:-/bin/sh}
else
LD_LIBRARY_PATH="$PATHS"
LD_PRELOAD="$LIB"
export LD_LIBRARY_PATH LD_PRELOAD
exec "$@"
fi
exit 1
|
