Compress incremental backup journal on the backup machine

backup-tar/backup.sh

@@ -66,5 +66,5 @@ fi
 ssh $TARGET "mkdir -p stamps"
 tar --create --xattrs --acls --listed-incremental=$INCFILE_TMP $SOURCES | \
     xz -T$COMPRESS_THRS -3 | ssh $TARGET "cat > $BACKUP_FILE"
-scp $INCFILE_TMP $TARGET:$INCFILE_TGT
+xz -T$COMPRESS_THRS --keep --stdout $INCFILE_TMP | ssh $TARGET "cat > $INCFILE_TGT"
 mv $INCFILE_TMP $INCFILE