postinst is in lxcfs 3.0.0-0ubuntu1.
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 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | #!/bin/sh
set -e
# This script can be called in the following ways:
#
# After the package was installed:
# <postinst> configure <old-version>
#
#
# If prerm fails during upgrade or fails on failed upgrade:
# <old-postinst> abort-upgrade <new-version>
#
# If prerm fails during deconfiguration of a package:
# <postinst> abort-deconfigure in-favour <new-package> <version>
# removing <old-package> <version>
#
# If prerm fails during replacement due to conflict:
# <postinst> abort-remove in-favour <new-package> <version>
case "$1" in
configure)
# We cannot restart lxcfs itself because containers will become
# unable to read /proc/uptime etc.
if [ -n "$2" ] && dpkg --compare-versions "$2" le 0.17-0ubuntu3; then
# previous lxcfs is too old, we have to simply ask the user to
# reboot.
[ -x /usr/share/update-notifier/notify-reboot-required ] && \
/usr/share/update-notifier/notify-reboot-required
elif [ -f /run/lxcfs.pid ]; then
# lxcfs is new enough - send it a USR1 signal to reload the
# new liblxcfs.
kill -USR1 `cat /run/lxcfs.pid` || true
fi
# If neither of the above was true, lxcfs was new enough but was
# not running, so just wait for systemd to start it.
;;
esac
# Automatically added by dh_systemd_enable/11.1.4ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask 'lxcfs.service' >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled 'lxcfs.service'; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable 'lxcfs.service' >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state 'lxcfs.service' >/dev/null || true
fi
fi
# End automatically added section
# Automatically added by dh_installdeb/11.1.4ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init/lxcfs.conf 2.0.7-0ubuntu5\~ -- "$@"
# End automatically added section
# Automatically added by dh_installinit/11.1.4ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -x "/etc/init.d/lxcfs" ]; then
update-rc.d lxcfs defaults >/dev/null
if [ -n "$2" ]; then
_dh_action=restart
else
_dh_action=start
fi
invoke-rc.d lxcfs $_dh_action || exit 1
fi
fi
# End automatically added section
exit 0
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