/*
 * 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.
 */

//
// $Id$
//

package buildharness.commands

import buildharness.util.*

class exec
    extends CommandSupport
{
    def execute() {
        // Setup the executable
        def executable = context.getRequiredAsFile('executable')
        println "Using executable: ${executable}"
        
        // Optional timeout
        def timeout = context.getAsInt('timeout', -1)
        println "Using timeout: ${timeout}"
        
        // Optional args
        def args = context.get('args')
        println "Using args: ${args}"
        
        Line.display()
        
        //
        // TODO: May need to expose setting of JAVA_HOME here...
        //
        
        // Chmod +x the file just as a sanity check
        if (executable.exists()) {
            ant.chmod(perm: 'u+x', file: executable)
        }
        
        try {
            ant.exec(executable: executable, failonerror: true) {
                // Get a reference to the current node so we can conditionally set attributes
                def node = current.wrapper
                
                // Maybe set timeout
                if (timeout > 0) {
                    println "Timeout after: ${timeout} seconds"
                    def millis = timeout * 1000
                    node.setAttribute('timeout', "${millis}")
                }
                
                // Attach any optional args passed in
                if (args != null) {
                    arg(line: args)
                }
            }
        }
        catch (Exception e) {
            context.fail('Command execution failed', e)
        }
    }
}