1 files changed, 40 insertions, 0 deletions
diff --git a/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/ErrorSlaveMode.java b/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/ErrorSlaveMode.java
new file mode 100644
index 0000000000..a008b6b309
--- /dev/null
+++ b/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/ErrorSlaveMode.java
@@ -0,0 +1,40 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// 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.gerrit.sshd.commands;
+
+import com.google.gerrit.sshd.BaseCommand;
+
+import java.io.IOException;
+
+/**
+ * A command which just throws an error because it shouldn't be ran on this
+ * server. This is used when a user tries to run a command on a server in Slave
+ * Mode, but the command only applies to the Master server.
+ */
+final class ErrorSlaveMode extends BaseCommand {
+  @Override
+  public void start() {
+    String msg =
+        "error: That command is disabled on this server.\n\n"
+            + "Please use the master server URL.\n";
+    try {
+      err.write(msg.getBytes(ENC));
+      err.flush();
+    } catch (IOException e) {
+      // Ignore errors writing to the client
+    }
+    onExit(1);
+  }
+}