Update from Google.

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MOE_MIGRATED_REVID=85702957
diff --git a/src/main/java/com/google/devtools/build/lib/runtime/CommonCommandOptions.java b/src/main/java/com/google/devtools/build/lib/runtime/CommonCommandOptions.java
new file mode 100644
index 0000000..7054975
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/runtime/CommonCommandOptions.java
@@ -0,0 +1,250 @@
+// Copyright 2014 Google Inc. 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.runtime;
+
+import com.google.devtools.build.lib.util.OptionsUtils;
+import com.google.devtools.build.lib.vfs.PathFragment;
+import com.google.devtools.common.options.Converter;
+import com.google.devtools.common.options.Converters;
+import com.google.devtools.common.options.Option;
+import com.google.devtools.common.options.OptionsBase;
+import com.google.devtools.common.options.OptionsParsingException;
+
+import java.util.List;
+import java.util.Map;
+import java.util.logging.Level;
+
+/**
+ * Options common to all commands.
+ */
+public class CommonCommandOptions extends OptionsBase {
+  /**
+   * A class representing a blazerc option. blazeRc is serial number of the rc
+   * file this option came from, option is the name of the option and value is
+   * its value (or null if not specified).
+   */
+  public static class OptionOverride {
+    final int blazeRc;
+    final String command;
+    final String option;
+
+    public OptionOverride(int blazeRc, String command, String option) {
+      this.blazeRc = blazeRc;
+      this.command = command;
+      this.option = option;
+    }
+
+    @Override
+    public String toString() {
+      return String.format("%d:%s=%s", blazeRc, command, option);
+    }
+  }
+
+  /**
+   * Converter for --default_override. The format is:
+   * --default_override=blazerc:command=option.
+   */
+  public static class OptionOverrideConverter implements Converter<OptionOverride> {
+    static final String ERROR_MESSAGE = "option overrides must be in form "
+      + " rcfile:command=option, where rcfile is a nonzero integer";
+
+    public OptionOverrideConverter() {}
+
+    @Override
+    public OptionOverride convert(String input) throws OptionsParsingException {
+      int colonPos = input.indexOf(':');
+      int assignmentPos = input.indexOf('=');
+
+      if (colonPos < 0) {
+        throw new OptionsParsingException(ERROR_MESSAGE);
+      }
+
+      if (assignmentPos <= colonPos + 1) {
+        throw new OptionsParsingException(ERROR_MESSAGE);
+      }
+
+      int blazeRc;
+      try {
+        blazeRc = Integer.valueOf(input.substring(0, colonPos));
+      } catch (NumberFormatException e) {
+        throw new OptionsParsingException(ERROR_MESSAGE);
+      }
+
+      if (blazeRc < 0) {
+        throw new OptionsParsingException(ERROR_MESSAGE);
+      }
+
+      String command = input.substring(colonPos + 1, assignmentPos);
+      String option = input.substring(assignmentPos + 1);
+
+      return new OptionOverride(blazeRc, command, option);
+    }
+
+    @Override
+    public String getTypeDescription() {
+      return "blazerc option override";
+    }
+  }
+
+
+  @Option(name = "config",
+          defaultValue = "",
+          category = "misc",
+          allowMultiple = true,
+          help = "Selects additional config sections from the rc files; for every <command>, it "
+              + "also pulls in the options from <command>:<config> if such a section exists. "
+              + "Note that it is currently only possible to provide these options on the "
+              + "command line, not in the rc files. The config sections and flag combinations "
+              + "they are equivalent to are located in the tools/*.blazerc config files.")
+  public List<String> configs;
+
+  @Option(name = "logging",
+          defaultValue = "3", // Level.INFO
+          category = "verbosity",
+          converter = Converters.LogLevelConverter.class,
+          help = "The logging level.")
+  public Level verbosity;
+
+  @Option(name = "client_env",
+      defaultValue = "",
+      category = "hidden",
+      converter = Converters.AssignmentConverter.class,
+      allowMultiple = true,
+      help = "A system-generated parameter which specifies the client's environment")
+  public List<Map.Entry<String, String>> clientEnv;
+
+  @Option(name = "ignore_client_env",
+      defaultValue = "false",
+      category = "hidden",
+      help = "If true, ignore the '--client_env' flag, and use the JVM environment instead")
+  public boolean ignoreClientEnv;
+
+  @Option(name = "client_cwd",
+      defaultValue = "",
+      category = "hidden",
+      converter = OptionsUtils.PathFragmentConverter.class,
+      help = "A system-generated parameter which specifies the client's working directory")
+  public PathFragment clientCwd;
+
+  @Option(name = "announce_rc",
+      defaultValue = "false",
+      category = "verbosity",
+      help = "Whether to announce rc options.")
+  public boolean announceRcOptions;
+
+  /**
+   * These are the actual default overrides.
+   * Each value is a pair of (command name, value).
+   *
+   * For example: "--default_override=build=--cpu=piii"
+   */
+  @Option(name = "default_override",
+      defaultValue = "",
+      allowMultiple = true,
+      category = "hidden",
+      converter = OptionOverrideConverter.class,
+      help = "")
+  public List<OptionOverride> optionsOverrides;
+
+  /**
+   * This is the filename that the Blaze client parsed.
+   */
+  @Option(name = "rc_source",
+      defaultValue = "",
+      allowMultiple = true,
+      category = "hidden",
+      help = "")
+  public List<String> rcSource;
+
+  @Option(name = "always_profile_slow_operations",
+      defaultValue = "true",
+      category = "undocumented",
+      help = "Whether profiling slow operations is always turned on")
+  public boolean alwaysProfileSlowOperations;
+
+  @Option(name = "profile",
+      defaultValue = "null",
+      category = "misc",
+      converter = OptionsUtils.PathFragmentConverter.class,
+      help = "If set, profile Blaze and write data to the specified "
+      + "file. Use blaze analyze-profile to analyze the profile.")
+  public PathFragment profilePath;
+
+  @Option(name = "record_full_profiler_data",
+      defaultValue = "false",
+      category = "undocumented",
+      help = "By default, Blaze profiler will record only aggregated data for fast but numerous "
+          + "events (such as statting the file). If this option is enabled, profiler will record "
+          + "each event - resulting in more precise profiling data but LARGE performance "
+          + "hit. Option only has effect if --profile used as well.")
+  public boolean recordFullProfilerData;
+
+  @Option(name = "memory_profile",
+      defaultValue = "null",
+      category = "undocumented",
+      converter = OptionsUtils.PathFragmentConverter.class,
+      help = "If set, write memory usage data to the specified "
+          + "file at phase ends.")
+  public PathFragment memoryProfilePath;
+
+  @Option(name = "gc_watchdog",
+      defaultValue = "false",
+      category = "undocumented",
+      deprecationWarning = "Ignoring: this option is no longer supported",
+      help = "Deprecated.")
+  public boolean gcWatchdog;
+
+  @Option(name = "startup_time",
+      defaultValue = "0",
+      category = "hidden",
+      help = "The time in ms the launcher spends before sending the request to the blaze server.")
+  public long startupTime;
+
+  @Option(name = "extract_data_time",
+      defaultValue = "0",
+      category = "hidden",
+      help = "The time spend on extracting the new blaze version.")
+  public long extractDataTime;
+
+  @Option(name = "command_wait_time",
+      defaultValue = "0",
+      category = "hidden",
+      help = "The time in ms a command had to wait on a busy Blaze server process.")
+  public long waitTime;
+
+  @Option(name = "tool_tag",
+      defaultValue = "",
+      allowMultiple = true,
+      category = "misc",
+      help = "A tool name to attribute this Blaze invocation to.")
+  public List<String> toolTag;
+
+  @Option(name = "restart_reason",
+      defaultValue = "no_restart",
+      category = "hidden",
+      help = "The reason for the server restart.")
+  public String restartReason;
+
+  @Option(name = "binary_path",
+      defaultValue = "",
+      category = "hidden",
+      help = "The absolute path of the blaze binary.")
+  public String binaryPath;
+
+  @Option(name = "experimental_allow_project_files",
+      defaultValue = "false",
+      category = "hidden",
+      help = "Enable processing of +<file> parameters.")
+  public boolean allowProjectFiles;
+}