/*
* Copyright 2012-present Facebook, Inc.
*
* Licensed 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.
*/
package com.facebook.buck.shell;
import com.facebook.buck.step.ExecutionContext;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
import java.nio.file.Path;
/**
* Command that makes it possible to run an arbitrary command in Bash. Whenever possible, a more
* specific subclass of {@link ShellStep} should be preferred. BashCommand should be reserved for
* cases where the expressiveness of Bash (often in the form of *-shell-expansion) makes the command
* considerably easier to implement.
*/
public class BashStep extends ShellStep {
private final String bashCommand;
/**
* @param bashCommand command to execute. For convenience, multiple arguments are supported and
* will be joined with space characters if more than one is present.
*/
public BashStep(Path workingDirectory, String... bashCommand) {
super(workingDirectory);
this.bashCommand = Joiner.on(' ').join(bashCommand);
}
@Override
public String getShortName() {
return "bash";
}
@Override
protected ImmutableList<String> getShellCommandInternal(ExecutionContext context) {
return ImmutableList.of("bash", "-c", bashCommand);
}
}