Remove dependency on installed Hadoop for script generation.

From: Aaron Kimball <aaron@cloudera.com>

git-svn-id: https://svn.apache.org/repos/asf/incubator/sqoop/trunk@1149912 13f79535-47bb-0310-9956-ffa450edef68

build.xml

@@ -312,10 +312,20 @@
          the wrapper scripts to invoke each of these.
       -->
     <mkdir dir="${build.bin.dir}" />
+    <java classname="com.cloudera.sqoop.Sqoop"
+        fork="true"
+        failonerror="true"
+        output="${build.dir}/tools-list"
+        error="/dev/null">
+      <jvmarg value="-Dhadoop.security.log.file=${build.dir}/security-audit.log" />
+      <arg value="help" />
+      <classpath refid="compile.classpath"/>
+    </java>
     <exec executable="${script.src.dir}/create-tool-scripts.sh"
         dir="${basedir}" failonerror="true">
       <arg value="${build.bin.dir}" />
       <arg value="${script.src.dir}/tool-script.sh.template" />
+      <arg value="${build.dir}/tools-list" />
     </exec>
   </target>
 

src/scripts/create-tool-scripts.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Licensed to Cloudera, Inc. under one or more
 # contributor license agreements.  See the NOTICE file distributed with
@@ -18,15 +18,19 @@
 # Arguments to this script:
 #   The output directory for the result scripts
 #   The path to the script template file.
+#   A file containing the list of tools, one per line.
 # This script should be run in the base directory of the project.
 # It will run 'bin/sqoop help' and determine the names of all subprograms,
 # and then generate wrapper scripts for each of these.
 
+set -e
+
 bin=`dirname $0`
 bin=`cd ${bin} && pwd`
 
 outdir=$1
 template=$2
+toollistfile=$3
 
 if [ -z "$outdir" ]; then
   echo "Output directory is required as the first argument."
@@ -38,6 +42,11 @@ if [ -z "$template" ]; then
   exit 1
 fi
 
+if [ -z "$toollistfile" ]; then
+  echo "The list of tools is not specified"
+  exit 1
+fi
+
 if [ ! -d "$outdir" ]; then
   echo "Output directory does not exist!"
   exit 1
@@ -48,8 +57,14 @@ if [ ! -f "$template" ]; then
   exit 1
 fi
 
+if [ ! -f "$toollistfile" ]; then
+  echo "Could not find tool list file: " $toollistfile
+  exit 1
+fi
+
 # Query 'sqoop help' for the list of available commands. 
-subprograms=`bin/sqoop help | awk ' BEGIN {use=0} /^$/ {use=0}  \
+# The output of 'sqoop help' has been written to $toollistfile.
+subprograms=`cat $toollistfile | awk ' BEGIN {use=0} /^$/ {use=0}  \
     { if (use) { print $1 } else { } } /^Available/ {use=1} '`
 
 # For each of these, copy the template into place and sed the

src/scripts/tool-script.sh.template

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Licensed to Cloudera, Inc. under one or more
 # contributor license agreements.  See the NOTICE file distributed with