/usr/src/gcc-4.7/debian/libgcj-common.preinst is in gcc-4.7-source 4.7.3-12ubuntu1.
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 8 9 10 11 12 | #! /bin/sh -e
case "$1" in
upgrade|install)
if [ -n "$2" ] && [ -h /usr/share/doc/libgcj-common ] \
&& dpkg --compare-versions "$2" lt 1:4.0.2-10
then
rm -f /usr/share/doc/libgcj-common
fi
esac
#DEBHELPER#
|