postinst is in powernap 2.18-0ubuntu2.
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 | #!/bin/sh
set -e
# Unconditionally overwrite config file, if upgrading from before 2.0 (syntax changed)
if [ -n "$2" ] && dpkg --compare-versions "$2" lt 2.0; then
cat /usr/share/powernap/config > /etc/powernap/config
fi
# Automatically added by dh_installinit
if [ -x "/etc/init.d/powernap" ] || [ -e "/etc/init/powernap.conf" ]; then
if [ ! -e "/etc/init/powernap.conf" ]; then
update-rc.d powernap defaults >/dev/null
fi
invoke-rc.d powernap start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
update-rc.d -f powernap remove >/dev/null || exit $?
# End automatically added section
exit 0
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