-head -n 1 $CHANGELOG | sed "s/)/$VERSION_SUFFIX)/" > $CHANGELOG.new
-awk 'NR>1 {print}' $CHANGELOG >> $CHANGELOG.new
-mv $CHANGELOG $CHANGELOG.old
-mv $CHANGELOG.new $CHANGELOG
+rm $CHANGELOG
+head -n 1 $CHANGELOG.in | sed "s/)/$VERSION_SUFFIX)/" > $CHANGELOG
+awk 'NR>1 {print}' $CHANGELOG.in >> $CHANGELOG