postinst is in grub2 2.02~beta2-9.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | #! /bin/sh
set -e
case "$1" in
configure)
if dpkg --compare-versions "$2" lt-nl 2.00-6; then
# Force dpkg to replace this directory with a symlink.
if [ ! -L /usr/share/doc/grub2 ] && [ -d /usr/share/doc/grub2 ]; then
if rmdir /usr/share/doc/grub2 2>/dev/null; then
ln -sf grub-common /usr/share/doc/grub2
fi
fi
fi
;;
esac
exit 0
|