/usr/share/debhelper/autoscripts/prerm-usrlocal is in debhelper 9.20131227ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | (
while read dir; do
rmdir "$dir" 2>/dev/null || true
done
) << DATA
#JUSTDIRS#
DATA
|