postinst is in policykit-1 0.104-1ubuntu1.1.
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.
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# postinst script for policykit-1
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <postinst> `abort-remove'
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
set_perms() {
USER=$1
GROUP=$2
MODE=$3
FILE=$4
if ! dpkg-statoverride --list $FILE > /dev/null 2>&1; then
chown $USER:$GROUP $FILE
chmod $MODE $FILE
fi
}
get_pid() {
[ -n "$1" ] || return
[ -S /var/run/dbus/system_bus_socket ] || return
dbus-send --system --dest=org.freedesktop.DBus --print-reply \
/org/freedesktop/DBus org.freedesktop.DBus.GetConnectionUnixProcessID \
string:$1 2>/dev/null | awk '/uint32/ {print $2}'
}
case "$1" in
configure)
set_perms root root 700 /var/lib/polkit-1
set_perms root root 4755 /usr/lib/policykit-1/polkit-agent-helper-1
set_perms root root 4755 /usr/bin/pkexec
# Kill the old polkitd daemon on upgrade, to ensure that the new
# version will be used at the next occasion.
kill $(get_pid org.freedesktop.PolicyKit1) 2>/dev/null || true
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
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