YARN-1349. Merging change r1536445 from branch-2 to branch-2.2

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.2@1536446 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -55,6 +55,9 @@ Release 2.2.1 - UNRELEASED
     (Sandy Ryza)
     
     YARN-1022. Unnecessary INFO logs in AMRMClientAsync (haosdent via bikas)
+    
+    YARN-1349. yarn.cmd does not support passthrough to any arbitrary class.
+    (cnauroth)
 
 Release 2.2.0 - 2013-10-13
 

hadoop-yarn-project/hadoop-yarn/bin/yarn.cmd

@@ -133,7 +133,21 @@ if "%1" == "--config" (
   set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\%YARN_DIR%\*
   set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\%YARN_LIB_JARS_DIR%\*
 
-  call :%yarn-command% %yarn-command-arguments%
+  if %yarn-command% == classpath (
+    @echo %CLASSPATH%
+    goto :eof
+  )
+
+  set yarncommands=resourcemanager nodemanager proxyserver rmadmin version jar application node logs daemonlog
+  for %%i in ( %yarncommands% ) do (
+    if %yarn-command% == %%i set yarncommand=true
+  )
+  if defined yarncommand (
+    call :%yarn-command%
+  ) else (
+    set CLASSPATH=%CLASSPATH%;%CD%
+    set CLASS=%yarn-command%
+  )
 
   if defined JAVA_LIBRARY_PATH (
     set YARN_OPTS=%YARN_OPTS% -Djava.library.path=%JAVA_LIBRARY_PATH%