| /* |
| * 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; |
| |
| /** |
| * 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(String... bashCommand) { |
| 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); |
| } |
| |
| } |