gitask: add get last [task], use it in rpmbs

bin/gitask

@@ -29,6 +29,10 @@ if [ "$1" = "get" ] ; then
 		#"
 		echo "$SUBTASK"
 		exit
+	elif [ "$1 $2 $3" = "get last " ] || [ "$1 $2 $3" = "get last task" ] ; then
+		TASK="$(ssh $GEARHOST task ls | head -n1 | sed -e "s|^#\([0-9]*\) .*|\1|g")" || fatal
+		echo "$TASK"
+		exit
 	else
 		fatal "Unknown command $1 $2"
 	fi

bin/rpmbs

@@ -261,9 +261,8 @@ if [ -n "$UPLOADNOW" ] && is_gear $SPECDIR ; then
 
 	if [ -n "$PREPARETASK" ] ; then
 		if [ -z "$TASKNUMBER" ] ; then
-			showcmd "ssh $GEARHOST task ls"
-			TASKNUMBER="$(ssh $GEARHOST task ls | head -n1 | sed -e "s|^#\([0-9]*\) .*|\1|g")" || fatal
-		# hack "
+			showcmd $ETERBUILDBIN/gita get last task
+			TASKNUMBER=$($ETERBUILDBIN/gita get last task)
 		fi
 	else
 			NUMSPECS=$(estrlist count $LISTNAMES)