| /* |
| * Copyright 2014-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.apple; |
| |
| import com.facebook.buck.cli.BuckConfig; |
| import com.facebook.buck.util.ImmutableProcessExecutorParams; |
| import com.facebook.buck.util.ProcessExecutor; |
| import com.facebook.buck.util.ProcessExecutorParams; |
| import com.google.common.base.Optional; |
| import com.google.common.base.Supplier; |
| import com.google.common.base.Suppliers; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.EnumSet; |
| import java.util.Set; |
| |
| public class AppleConfig { |
| |
| private final BuckConfig delegate; |
| |
| public AppleConfig(BuckConfig delegate) { |
| this.delegate = delegate; |
| } |
| |
| /** |
| * If specified, the value of {@code [apple] xcode_developer_dir} wrapped in a {@link Supplier}. |
| * Otherwise, this returns a {@link Supplier} that lazily runs {@code xcode-select --print-path} |
| * and caches the result. |
| */ |
| public Supplier<Path> getAppleDeveloperDirectorySupplier(ProcessExecutor processExecutor) { |
| Optional<String> xcodeDeveloperDirectory = delegate.getValue("apple", "xcode_developer_dir"); |
| if (xcodeDeveloperDirectory.isPresent()) { |
| Path developerDirectory = delegate.resolvePathThatMayBeOutsideTheProjectFilesystem( |
| Paths.get(xcodeDeveloperDirectory.get())); |
| return Suppliers.ofInstance(developerDirectory); |
| } else { |
| return createAppleDeveloperDirectorySupplier(processExecutor); |
| } |
| } |
| |
| public ImmutableMap<AppleSdk, AppleSdkPaths> getAppleSdkPaths(ProcessExecutor processExecutor) { |
| Path appleDeveloperDirectory = getAppleDeveloperDirectorySupplier(processExecutor).get(); |
| try { |
| ImmutableMap<String, Path> toolchainPaths = |
| AppleToolchainDiscovery.discoverAppleToolchainPaths(appleDeveloperDirectory); |
| return AppleSdkDiscovery.discoverAppleSdkPaths(appleDeveloperDirectory, toolchainPaths); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * @return a memoizing {@link Supplier} that caches the output of |
| * {@code xcode-select --print-path}. |
| */ |
| private static Supplier<Path> createAppleDeveloperDirectorySupplier( |
| final ProcessExecutor processExecutor) { |
| return Suppliers.memoize(new Supplier<Path>() { |
| @Override |
| public Path get() { |
| ProcessExecutorParams processExecutorParams = |
| ImmutableProcessExecutorParams.builder() |
| .setCommand(ImmutableList.of("xcode-select", "--print-path")) |
| .build(); |
| // Must specify that stdout is expected or else output may be wrapped in Ansi escape chars. |
| Set<ProcessExecutor.Option> options = EnumSet.of(ProcessExecutor.Option.EXPECTING_STD_OUT); |
| ProcessExecutor.Result result; |
| try { |
| result = processExecutor.launchAndExecute( |
| processExecutorParams, |
| options, |
| /* stdin */ Optional.<String>absent(), |
| /* timeOutMs */ Optional.<Long>absent()); |
| } catch (InterruptedException | IOException e) { |
| throw new RuntimeException(e); |
| } |
| |
| if (result.getExitCode() != 0) { |
| throw new RuntimeException("xcode-select --print-path failed: " + result.getStderr()); |
| } |
| |
| return Paths.get(result.getStdout().get().trim()); |
| } |
| }); |
| } |
| |
| public Optional<String> getTargetSdkVersion(ApplePlatform platform) { |
| return delegate.getValue("apple", platform.toString() + "_target_sdk_version"); |
| } |
| } |