postinst is in dpkg 1.19.0.5ubuntu2.
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 | #!/bin/sh
# See deb-postinst(5).
set -e
# Create the database files if they don't already exist
create_database() {
admindir=${DPKG_ADMINDIR:-/var/lib/dpkg}
for file in diversions statoverride status; do
if [ ! -f "$admindir/$file" ]; then
touch "$admindir/$file"
fi
done
}
# Create log file and set default permissions if possible
create_logfile() {
logfile=$DPKG_ROOT/var/log/dpkg.log
touch $logfile
chmod 644 $logfile
chown root:root $logfile 2>/dev/null || chown 0:0 $logfile
}
case "$1" in
configure)
create_database
create_logfile
;;
abort-upgrade|abort-deconfigure|abort-remove)
;;
*)
echo "$0 called with unknown argument '$1'" 1>&2
exit 1
;;
esac
exit 0
|