#! /bin/bash
# vim: set tabstop=4 shiftwidth=4 noexpandtab filetype=sh:

# show_changes - show a2server version differences
#
# To the extent possible under law, T. Joseph Carter and Ivan Drucker have
# waived all copyright and related or neighboring rights to the a2server
# scripts themselves.  Software used or installed by these scripts is subject
# to other licenses.  This work is published from the United States.

# Find the path of our source directory
top_src="$( dirname "${BASH_SOURCE[0]}" )/.."
pushd $top_src >/dev/null
top_src="$PWD"
popd >/dev/null
if [[ ! -f "$top_src/.a2server_source" ]]; then
	printf "\na2server: cannot find a2server source directory in $top_src.\n\n"
	exit 1
fi

newVersion=$(grep '^a2serverVersion' "$top_src/install.sh" | cut -d '"' -f 2)

if [[ -f /usr/local/etc/A2SERVER-version ]]; then
	read installedVersion </usr/local/etc/A2SERVER-version
	if [[ $installedVersion != *.*.* ]]; then
		# Deal with old three-digit version
		installedVersion="${installedVersion:0:1}.${installedVersion:1:1}.${installedVersion:2}"
	fi
fi
echo "a2server version available: $newVersion"
echo "a2server version installed: ${installedVersion:-None}"

# FIXME: Do something useful with a changelog perhaps?