--- /usr/sbin/emerge-webrsync	2005-12-28 11:49:18.000000000 +0100
+++ emerge-webrsync	2006-01-11 09:28:54.378088760 +0100
@@ -18,9 +18,25 @@
 cd "$DISTDIR"
 
 found=0
+rsyncops="-av --progress"
+
+PORTAGE_NICENESS=$(portageq envvar PORTAGE_NICENESS)
+
+if [[ -n $PORTAGE_NICENESS ]] && [[ -z $WE_ARE_NICED ]]; then
+	export WE_ARE_NICED=1
+	exec nice -n "$PORTAGE_NICENESS" "$0" "$@"
+fi
+
+if [ -z "$PORTAGE_NICENESS" ] ; then
+        PORTAGE_NICENESS=0
+fi
+
 if [ "$1" == "-v" ] ; then
 	wgetops=
 else	
+        if [ "$1" == "-q" ] ; then
+	        rsyncops="-aq"
+        fi
 	#this sucks.  probably better to do 1> /dev/null
 	#that said, waiting on the refactoring.
 	if [ "${FETCHCOMMAND/wget}" != "${FETCHCOMMAND}" ]; then
@@ -42,23 +58,31 @@
 
 sync_local() {
 	echo Syncing local tree...
-	if ! tar jxf $FILE; then
-		echo "Tar failed to extract the image. Please review the output."
-		echo "Executed command: tar jxf $FILE"
-		exit 1
-	fi
+	if type -p tarsync &> /dev/null; then
+	        echo "apparently you have tarsync installed.  using it."
+                if ! nice -n $PORTAGE_NICENESS tarsync "${FILE}" "${PORTDIR}" -v -s 1 -o portage -g portage -e /distfiles -e /packages -e /local; then
+                      echo "ok, tarsync failed.  that's teh suck :/"
+		      exit 6
+                fi
+        else
+		if ! nice -n $PORTAGE_NICENESS tar jxf $FILE; then
+			echo "Tar failed to extract the image. Please review the output."
+			echo "Executed command: tar jxf $FILE"
+			exit 1
+		fi
+	fi	
 	rm -f $FILE
 	# Make sure user and group file ownership is root
 	chown -R 0:0 portage
 	cd portage
-	rsync -av --progress --stats --delete --delete-after \
+	nice -n $PORTAGE_NICENESS rsync ${rsyncops} --stats --delete --delete-after \
 	--exclude='/distfiles' --exclude='/packages' \
 	--exclude='/local' . ${PORTDIR%%/}
 	cd ..
 	echo "cleaning up"
 	rm -rf portage
 	echo "transferring metadata/cache"
-	emerge metadata
+	nice -n $PORTAGE_NICENESS emerge metadata
 }
 
 echo "Fetching most recent snapshot"