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#!/bin/bash

if [[ -z "$jh_cmd" ]]; then
    export jh_cmd=$0
fi
export jh_short=${jh_cmd##*/}

if [[ -z "$JH_PATH" ]]; then
	export JH_PATH=/usr/share/jh
fi

usage() {
	cmd="${1-$0}"
	file="$JH_PATH/jh-$cmd.help.txt"
	if [[ -z "$cmd" ]]; then
		echo "Usage: $jh_short <command> [command-specific-arguments]"
		echo "Java helper for PKGBUILDs"
		echo ""
		"$jh_short" list-commands|sed 's/./  &/'
	elif [[ -f "$JH_PATH/jh-$cmd.help.txt" ]]; then
		sed "s|@cmd@|$jh_short|g" "$file" >> /dev/stderr
	else
		echo "$jh_short: Cannot find help file for '$cmd'" >> /dev/stderr
	fi
}

run() {
	if [[ $# < 1 ]]; then
		usage ''
		exit 1;
	fi
	cmd=$1
	shift

	file="$JH_PATH/jh-$cmd"
	if [[ -x "$file" ]]; then
		"$file" "$@"
		exit $?
	else
		echo "$jh_short: Cannot find command '$cmd'" >> /dev/stderr
	fi
}

[[ "$jh_cmd" == "$0" ]] && run "$@"