#!/bin/bash
. $GVM_ROOT/scripts/functions

function show_usage() {
	echo "Usage: gvm listall [options]"
	echo "    -a, --all                 List all tags."
	echo "    -h, --help                Display this message."
}

function read_command_line() {
	tag_filter="release"
	for i in $*; do
		case $i in
			-a|--all)
				tag_filter=""
			;;
			-h|--help*)
				show_usage
				exit 0
			;;
			*)
				echo "Invalid option $i"
				show_usage
				exit 65 # Bad arguments
			;;
		esac
	done
}

read_command_line $@

echo
display_message "gvm gos (available)"
echo
versions=`curl -s https://go.googlecode.com/hg/.hgtags | awk '{ print $2 }' | grep "$tag_filter" | sort`
if [[ $? -ne 0 ]]; then
	display_error "Failed to get version list from Google"
fi
for version in $versions; do
	echo "   $version"
done
echo