| // Copyright 2018 The Bazel Authors. All rights reserved. |
| // |
| // 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.google.devtools.build.lib.exec.local; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Maps; |
| import com.google.devtools.build.lib.exec.BinTools; |
| import java.util.Map; |
| |
| /** {@link LocalEnvProvider} implementation for actions running on Windows. */ |
| public final class WindowsLocalEnvProvider implements LocalEnvProvider { |
| private final Map<String, String> clientEnv; |
| |
| /** |
| * Create a new {@link WindowsLocalEnvProvider}. |
| * |
| * @param clientEnv a map of the current Bazel command's environment |
| */ |
| public WindowsLocalEnvProvider(Map<String, String> clientEnv) { |
| this.clientEnv = clientEnv; |
| } |
| |
| /** |
| * Compute an environment map for local actions on Windows. |
| * |
| * <p>Returns a map with the same keys and values as {@code env}. Overrides the value of TMP and |
| * TEMP (or adds them if not present in {@code env}) by the same value, which is: |
| * |
| * <ul> |
| * <li>the value of {@code clientEnv.get("TMP")}, or if that's empty or null, then |
| * <li>the value of {@code clientEnv.get("TEMP")}, or if that's empty or null, then |
| * <li>the value of {@code fallbackTmpDir}. |
| * </ul> |
| * |
| * <p>The values for TMP and TEMP will use backslashes as directory separators. |
| */ |
| @Override |
| public Map<String, String> rewriteLocalEnv( |
| Map<String, String> env, BinTools binTools, String fallbackTmpDir) { |
| ImmutableMap.Builder<String, String> result = ImmutableMap.builder(); |
| result.putAll(Maps.filterKeys(env, k -> !k.equals("TMP") && !k.equals("TEMP"))); |
| String p = clientEnv.get("TMP"); |
| if (Strings.isNullOrEmpty(p)) { |
| p = clientEnv.get("TEMP"); |
| if (Strings.isNullOrEmpty(p)) { |
| p = fallbackTmpDir; |
| } |
| } |
| p = p.replace('/', '\\'); |
| result.put("TMP", p); |
| result.put("TEMP", p); |
| return result.build(); |
| } |
| } |