postinst is in vlock 2.2.2-8.
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 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | #!/bin/sh
set -e
# inspired by the tor postinst script
# checking vlock group
gid=`getent group vlock | cut -d ":" -f 3`
# if there is the uid the account is there and we can do
# the sanit(ar)y checks otherwise we can safely create it.
if [ -z "$gid" ]; then
# what this might mean?? oh creating a system l^Huser!
addgroup --quiet \
--system \
vlock
fi
#They are not available anymore, so they can be safely removed if they exist.
for i in /usr/sbin/vlock-nosysrq /usr/sbin/vlock-new /usr/sbin/vlock-current /usr/lib/vlock/modules/new.so
do
# only do something when no setting exists
if dpkg-statoverride --list $i >/dev/null 2>&1
then
dpkg-statoverride --remove $i
fi
done
# no statoverrides necessary for the following files anymore
for i in /usr/lib/vlock/modules/all.so /usr/sbin/vlock-main; do
if dpkg-statoverride --list "$i" >/dev/null; then
dpkg-statoverride --remove "$i"
fi
done
#privileged modules
for i in /usr/lib/vlock/modules/nosysrq.so
do
# only do something when no setting exists
if ! dpkg-statoverride --list $i >/dev/null 2>&1
then
dpkg-statoverride --update --add root vlock 754 $i
fi
done
exit 0
|