postinst is in dnsmasq 2.75-1.
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.
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 | #!/bin/sh
set -e
# Code copied from dh_systemd_enable ----------------------
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask dnsmasq.service >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled dnsmasq.service; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable dnsmasq.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 dnsmasq.service >/dev/null || true
fi
# End code copied from dh_systemd_enable ------------------
if [ -x /etc/init.d/dnsmasq ]; then
update-rc.d dnsmasq defaults 15 85 >/dev/null
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
if [ -e /var/run/dnsmasq/dnsmasq.pid ]; then
ACTION=restart
else
ACTION=start
fi
if [ -x /usr/sbin/invoke-rc.d ] ; then
invoke-rc.d dnsmasq $ACTION || true
else
/etc/init.d/dnsmasq $ACTION || true
fi
fi
fi
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