/* 
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
 
    Run ant
*/

'@echo off'
parse arg mode envarg '::' antarg

if mode\='.' & mode\='..' & mode\='/' then do
  envarg = mode envarg
  mode = ''
end

if antarg = '' then do
  antarg = envarg
  envarg = ''
end

x = setlocal()

env="OS2ENVIRONMENT"
antenv = _getenv_('antenv')
if _testenv_() = 0 then interpret 'call "' || antenv || '"' '"' || envarg || '"'

if mode = '' then mode = _getenv_('ANT_MODE' '..')
if mode \= '/' then do
  runrc = _getenv_('runrc')
  antrc = _getenv_('antrc' 'antrc.cmd')
  if mode = '..' then mode = '-r'
  else mode = ''
  interpret 'call "' || runrc || '"' antrc '"' || mode || '"'
end

if _testenv_() = 0 then do
  say 'Ant environment is not set properly'
  x = endlocal()
  exit 16
end

settings = '-Dant.home=' || ANT_HOME '-Djava.home=' || JAVA_HOME

java = _getenv_('javacmd' 'java')
opts = value('ANT_OPTS',,env)
args = value('ANT_ARGS',,env)
lcp = value('LOCALCLASSPATH',,env)
cp = value('CLASSPATH',,env)
if value('ANT_USE_CP',,env) \= '' then do
  if lcp \= '' & right(lcp, 1) \= ';' then lcp = lcp || ';'
  lcp = lcp || cp
  'SET CLASSPATH='
end
if lcp\='' then lcp = '-classpath' lcp

cmd = java opts lcp '-jar' ANT_HOME ||'\lib\ant-launcher.jar' settings args antarg
launcher = stream(ANT_HOME ||'\lib\ant-launcher.jar', 'C', 'query exists')
if launcher = '' then entry = 'org.apache.tools.ant.Main'
else entry = 'org.apache.tools.ant.launch.Launcher'
java opts lcp entry settings args antarg

x = endlocal()

return rc

_testenv_: procedure expose env ANT_HOME JAVA_HOME
ANT_HOME = value('ANT_HOME',,env)
if ANT_HOME = '' then return 0
JAVA_HOME = value('JAVA_HOME',,env)
if JAVA_HOME = '' then return 0
cp = translate(value('CLASSPATH',,env))
if pos(translate(ANT_HOME), cp) = 0 then return 0
if pos(translate(JAVA_HOME), cp) = 0 then return 0
return 1

_getenv_: procedure expose env
parse arg envar default
if default = '' then default = envar
var = value(translate(envar),,env)
if var = '' then var = default
return var