postinst is in powermgmt-base 1.31.
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 20 21 22 | #!/bin/sh -e
case "${1}" in
(configure)
cd /dev && test -x MAKEDEV && ./MAKEDEV -v apm
FN="/etc/modprobe.d/apm"
if [ -f "${FN}" ] && md5sum --check --status > /dev/null 2>&1 << EOF
05bec108b10c64c5a614cf4576e5d66a ${FN}
EOF
then
rm -f "${FN}"
fi
;;
(abort-upgrade|abort-remove|abort-deconfigure)
;;
(*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
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