#!/bin/sh -e
# postinst for t-prot

# Source debconf library.
if [ -e /usr/share/debconf/confmodule ]; then
	. /usr/share/debconf/confmodule
fi

action=$1
version=$2
if [ "${DEBCONF_RECONFIGURE}" = "1" ]; then
	# workaround until reconfigure is really available
	action=reconfigure
fi

if [ "$action" != 'configure' ] && [ "$action" != 'reconfigure' ]; then
	exit 0
fi

# change existing symlink from ../Muttrc.t-prot to ../t-prot/Mutrc
if [ "$version" = "2.1-1" ] && [ -L /etc/Muttrc.d/t-prot.rc ]; then
	cd /etc/Muttrc.d && ln -sf ../t-prot/Muttrc t-prot.rc || true
fi

# if we got reinstalled after a remove, enable the config snippet again
if [ "$action" = 'configure' ] && [ -e /etc/Muttrc.d/t-prot.rc.removed ] && [ ! -e /etc/Muttrc.d/t-prot.rc ]; then
	mv /etc/Muttrc.d/t-prot.rc.removed /etc/Muttrc.d/t-prot.rc || true
fi

# only on new install or reconfigure
if [ "x$version" = "x" ] || [ "$action" = "reconfigure" ]; then
	symlink=true
	if [ -e /usr/share/debconf/confmodule ]; then
		db_get t-prot/muttrc.d
		symlink="$RET"
	fi

	case "$symlink" in
	    true)
		mkdir /etc/Muttrc.d 2> /dev/null || true
		cd /etc/Muttrc.d && ln -sf ../t-prot/Muttrc t-prot.rc || true
		;;
	    false)
		if [ -L /etc/Muttrc.d/t-prot.rc ]; then
			rm /etc/Muttrc.d/t-prot.rc
			rmdir /etc/Muttrc.d 2> /dev/null || true
		fi
		;;
	esac
fi