opensde-nopast/bin/sde-help

#!/bin/sh
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: bin/sde-help
# Copyright (C) 2006 - 2008 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

#Description: Help about the usage of `sde` and the modules
#Alias: man

set -e

[ -n "$SDEROOT" ] ||
	export SDEROOT=$( cd "${0%/*}/.."; pwd -P )

. "$SDEROOT/lib/libsde.in"
. "$SDEROOT/lib/sde-wrapper-command.in"

help_usage() {
	cat <<-EOT
	Usage:	sde help <command>

	Available Commands:
	$( sde_wrapper_command_help_list )
	EOT

	exit 1
}

help_command() {
	if [ -r "$SDEROOT/doc/man/sde-$1.1" ]; then
		man "$SDEROOT/doc/man/sde-$1.1"
	else
		echo_warning "'$COLOR_MESSAGE${1}$COLOR_NORMAL' doesn't provide help."
	fi
}

if [ $# -eq 0 -o -z "$1" ]; then
	help_usage
elif [ $# -gt 1 -o "$1" != "${1%-*}" ]; then
	# only one argument, and don't accept subcommands
	echo_error "Incorrect Syntax."
	help_usage
else
	# detect requested command
	command="$( sde_wrapper_command "$1" )"
	if [ -z "$command" ]; then
		# unknown command
		echo_error "Command '$COLOR_MESSAGE$1$COLOR_NORMAL' doesn't exist."
		help_usage
		exit 2
	else
		help_command "$command"
	fi
fi