Update from Google.
--
MOE_MIGRATED_REVID=85702957
diff --git a/src/main/java/com/google/devtools/build/lib/shell/CommandException.java b/src/main/java/com/google/devtools/build/lib/shell/CommandException.java
new file mode 100644
index 0000000..a11be97
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/shell/CommandException.java
@@ -0,0 +1,48 @@
+// 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.shell;
+
+/**
+ * Superclass of all exceptions that may be thrown during command execution.
+ * It exists to unify them. It also provides access to the command name
+ * and arguments for the failing command.
+ */
+public class CommandException extends Exception {
+
+ private final Command command;
+
+ /** Returns the command that failed. */
+ public Command getCommand() {
+ return command;
+ }
+
+ public CommandException(Command command, final String message) {
+ super(message);
+ this.command = command;
+ }
+
+ public CommandException(Command command, final Throwable cause) {
+ super(cause);
+ this.command = command;
+ }
+
+ public CommandException(Command command, final String message,
+ final Throwable cause) {
+ super(message, cause);
+ this.command = command;
+ }
+
+ private static final long serialVersionUID = 2L;
+}
