[post-HADOOP-9902] mapred version is missing (Akira AJISAKA via aw)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1619201 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -86,6 +86,9 @@ Trunk (Unreleased)
     MAPREDUCE-6019. MapReduce changes for exposing YARN/MR endpoints on multiple
     interfaces. (Craig Welch, Milan Potocnik, Arpit Agarwal via xgong)
 
+    MAPREDUCE-6013. [post-HADOOP-9902] mapred version is missing (Akira AJISAKA
+    via aw)
+
   BUG FIXES
 
     MAPREDUCE-5714. Removed forceful JVM exit in shutDownJob.  

hadoop-mapreduce-project/bin/mapred

@@ -29,6 +29,7 @@ function hadoop_usage
   echo "  pipes                run a Pipes job"
   echo "  queue                get information regarding JobQueues"
   echo "  sampler              sampler"
+  echo "  version              print the version"
   echo ""
   echo "Most commands print help when invoked w/o parameters."
 }
@@ -105,6 +106,10 @@ case ${COMMAND} in
     CLASS=org.apache.hadoop.mapred.lib.InputSampler
     HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}"
   ;;
+  version)
+    CLASS=org.apache.hadoop.util.VersionInfo
+    HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}"
+  ;;
   -*|*)
     hadoop_exit_with_usage 1
   ;;

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/site/apt/MapredCommands.apt.vm

@@ -177,6 +177,12 @@ MapReduce Commands Guide
    Creates a hadoop archive. More information can be found at
    {{{./HadoopArchives.html}Hadoop Archives Guide}}.
 
+** <<<version>>>
+
+   Prints the version.
+
+   Usage: <<<mapred version>>>
+
 * Administration Commands
 
    Commands useful for administrators of a hadoop cluster.