#!/bin/sh
set -e

# source confmodule to ensure templates are loaded
. /usr/share/debconf/confmodule

#DEBHELPER#

# Move a conffile without triggering a dpkg question
mv_conffile() {
	OLDCONFFILE="$1"
	NEWCONFFILE="$2"

	if [ -e "$OLDCONFFILE" ]; then
		echo "Preserving user changes to $NEWCONFFILE ..."
		mv -f "$NEWCONFFILE" "$NEWCONFFILE".dpkg-new
		mv -f "$OLDCONFFILE" "$NEWCONFFILE"
	fi
}

case "$1" in
configure)
	if dpkg --compare-versions "$2" le "0.7"; then
		if [ -d /etc/etckeeper/pre-apt.d ]; then
			for c in README 50uncommitted-changes; do
				mv_conffile "/etc/etckeeper/pre-apt.d/$c" "/etc/etckeeper/pre-install.d/$c"
			done
			rmdir --ignore-fail-on-non-empty /etc/etckeeper/pre-apt.d
		fi
		if [ -d /etc/etckeeper/post-apt.d ]; then
			for c in README 10git-test 30git-add 40git-rm 50git-commit; do
				mv_conffile "/etc/etckeeper/post-apt.d/$c" "/etc/etckeeper/post-install.d/$c"
			done
			rmdir --ignore-fail-on-non-empty /etc/etckeeper/post-apt.d
		fi
	fi
esac