APTGET="/usr/bin/apt-get"
APTCACHE="/usr/bin/apt-cache"
DPKG="/usr/bin/dpkg"
+DPKG_OPTS="--admindir=$1"
+APT_OPT0="-oDir::State::status=$1/status"
+APT_OPT1="-oDPkg::Options::=$DPKG_OPTS"
CACHEDIR="/var/cache/apt"
-PROMPT="no"
+PROMPT="false"
RES=`apt-config shell OPTS DSelect::UpdateOptions \
- DPKG Dir::Bin::dpkg APTGET Dir::Bin::apt-get \
- APTCACHE Dir::Bin::apt-cache CACHEDIR Dir::Cache \
- PROMPT DSelect::PromptAfterUpdate`
+ DPKG Dir::Bin::dpkg/f APTGET Dir::Bin::apt-get/f \
+ APTCACHE Dir::Bin::apt-cache/f CACHEDIR Dir::Cache/d \
+ PROMPT DSelect::PromptAfterUpdate/b`
eval $RES
-$APTGET $OPTS update
+# It looks slightly ugly to have a double / in the dpkg output
+CACHEDIR=`echo $CACHEDIR | sed -e "s|/$||"`
+
+set +e
+FAILED=0
+$APTGET $OPTS "$APT_OPT0" "$APT_OPT1" update || FAILED=1
+set -e
echo "Merging Available information"
-rm -f /var/cache/apt/available
+rm -f $CACHEDIR/available
$APTCACHE dumpavail > $CACHEDIR/available
-$DPKG --update-avail $CACHEDIR/available
+$DPKG "$DPKG_OPTS" --update-avail $CACHEDIR/available
rm -f $CACHEDIR/available
-if [ $PROMPT = "yes" ]; then
+if [ x$PROMPT = "xtrue" ]; then
echo "Press enter to continue." && read RES;
fi
-exit 0
+exit $FAILED