postinst is in systemd-container 229-4ubuntu4.
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 | #!/bin/sh
set -e
machine_policy=/etc/dbus-1/system.d/org.freedesktop.machine1.conf
if [ "$1" = configure ] && [ -z "$2" ] && [ -f ${machine_policy}.dpkg-bak ] ; then
md5sum="$(md5sum ${machine_policy} | sed -e 's/ .*//')"
old_md5sum="$(dpkg-query -W -f='${Conffiles}' systemd-container | \
sed -n -e "\' ${machine_policy} ' { s/ obsolete$//; s/.* //; p }")"
# On new installs, if the policy file was preserved on systemd upgrade
# by dpkg-maintscript helper, copy it back if the new file has not been modified yet
if [ "$md5sum" = "$old_md5sum" ] ; then
mv ${machine_policy}.dpkg-bak ${machine_policy}
fi
fi
# Automatically added by dh_installinit
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
# In case this system is running systemd, we need to ensure that all
# necessary tmpfiles (if any) are created before starting.
if [ -d /run/systemd/system ] ; then
systemd-tmpfiles --create /usr/lib/tmpfiles.d/systemd-nspawn.conf >/dev/null || true
fi
fi
# End automatically added section
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