HADOOP-9831. Make checknative shell command accessible on Windows. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1512101 13f79535-47bb-0310-9956-ffa450edef68

.gitattributes

@@ -14,5 +14,6 @@
 *.sh     text eol=lf
 
 *.bat    text eol=crlf
+*.cmd    text eol=crlf
 *.csproj text merge=union eol=crlf
 *.sln    text merge=union eol=crlf

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -352,6 +352,8 @@ Release 2.1.1-beta - UNRELEASED
     HADOOP-9527. Add symlink support to LocalFileSystem on Windows.
     (Arpit Agarwal via cnauroth)
 
+    HADOOP-9831. Make checknative shell command accessible on Windows. (cnauroth)
+
 Release 2.1.0-beta - 2013-08-06
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/bin/hadoop.cmd

@@ -119,7 +119,7 @@ call :updatepath %HADOOP_BIN_PATH%
     goto :eof
   )
   
-  set corecommands=fs version jar distcp daemonlog archive
+  set corecommands=fs version jar checknative distcp daemonlog archive
   for %%i in ( %corecommands% ) do (
     if %hadoop-command% == %%i set corecommand=true  
   )
@@ -157,6 +157,10 @@ call :updatepath %HADOOP_BIN_PATH%
   set CLASS=org.apache.hadoop.util.RunJar
   goto :eof
 
+:checknative
+  set CLASS=org.apache.hadoop.util.NativeLibraryChecker
+  goto :eof
+
 :distcp
   set CLASS=org.apache.hadoop.tools.DistCp
   set CLASSPATH=%CLASSPATH%;%TOOL_PATH%
@@ -222,6 +226,7 @@ call :updatepath %HADOOP_BIN_PATH%
   @echo   fs                   run a generic filesystem user client
   @echo   version              print the version
   @echo   jar ^<jar^>            run a jar file
+  @echo   checknative [-a^|-h]  check native hadoop and compression libraries availability
   @echo   distcp ^<srcurl^> ^<desturl^> copy file or directories recursively
   @echo   archive -archiveName NAME -p ^<parent path^> ^<src^>* ^<dest^> create a hadoop archive
   @echo   classpath            prints the class path needed to get the