From b196f98194bf32b8fc89e8a0ced68cc6e09ba571 Mon Sep 17 00:00:00 2001
From: Michael Stack <stack@apache.org>
Date: Wed, 18 Apr 2012 19:31:28 +0000
Subject: [PATCH] HBASE-5823 Hbck should be able to print help

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1327638 13f79535-47bb-0310-9956-ffa450edef68
---
 src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java b/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
index 61f81280ecf..66156c2891c 100644
--- a/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
+++ b/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
@@ -2894,6 +2894,7 @@ public class HBaseFsck {
   protected static void printUsageAndExit() {
     System.err.println("Usage: fsck [opts] {only tables}");
     System.err.println(" where [opts] are:");
+    System.err.println("   -help Display help options (this)");
     System.err.println("   -details Display full report of all regions.");
     System.err.println("   -timelag {timeInSeconds}  Process only regions that " +
                        " have not experienced any metadata updates in the last " +
@@ -2938,7 +2939,9 @@ public class HBaseFsck {
     // Process command-line args.
     for (int i = 0; i < args.length; i++) {
       String cmd = args[i];
-      if (cmd.equals("-details")) {
+      if (cmd.equals("-help") || cmd.equals("-h")) {
+        printUsageAndExit();
+      } else if (cmd.equals("-details")) {
         fsck.setDisplayFullReport();
       } else if (cmd.equals("-timelag")) {
         if (i == args.length - 1) {
@@ -3031,6 +3034,9 @@ public class HBaseFsck {
         fsck.setSummary();
       } else if (cmd.equals("-metaonly")) {
         fsck.setCheckMetaOnly();
+      } else if (cmd.startsWith("-")) {
+        System.err.println("Unrecognized option:" + cmd);
+        printUsageAndExit();
       } else {
         byte[] table = Bytes.toBytes(cmd);
         fsck.includeTable(table);