#!/bin/sh
#
#
#___INFO__MARK_BEGIN__
##########################################################################
#
#  The Contents of this file are made available subject to the terms of
#  the Sun Industry Standards Source License Version 1.2
#
#  Sun Microsystems Inc., March, 2001
#
#
#  Sun Industry Standards Source License Version 1.2
#  =================================================
#  The contents of this file are subject to the Sun Industry Standards
#  Source License Version 1.2 (the "License"); You may not use this file
#  except in compliance with the License. You may obtain a copy of the
#  License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
#
#  Software provided under this License is provided on an "AS IS" basis,
#  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
#  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
#  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
#  See the License for the specific provisions governing your rights and
#  obligations concerning the Software.
#
#  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
#
#  Copyright: 2001 by Sun Microsystems, Inc.
#
#  All Rights Reserved.
#
##########################################################################
#___INFO__MARK_END__

# could be rsh or remsh
me=`basename $0`
# just_wrap=1

# remove path to wrapping rsh from path list
if [ "x$TMPDIR" != "x" ]; then
   PATH=`echo $PATH|tr : "\012"|grep -v $TMPDIR| tr "\012" :`
   export PATH
fi

# rehash 
hash -r

if [ "x$JOB_ID" = "x" ]; then
   exec $me $*
   echo command $me not found in PATH=$PATH 
fi

# extract target hostname
if [ $# -lt 1 ]; then 
   echo $me: missing hostname
   exit 1
fi  

# Handle hostname before options
rhost=
expr "$1" : "-*" >/dev/null 2>&1

if [ $? -ne 0 ]; then
   rhost=$1
   shift
fi

ruser=
minus_n=0

# parse other rsh options
while [ "$1" != "" ]; do
   case "$1" in
      -l)
         shift
         if [ $# -lt 1 ]; then 
            echo $me: option -l needs user name as argument
            exit 1
         fi  
         ruser=$1
         ;;
      -n)
         minus_n=1
         ;;
      -*)
         echo $me: Unsupported option - $1
         exit 1
         ;;
      *)
         break;
         ;;
   esac
   shift
done

# Handle hostname after options
if [ "x$rhost" = x ]; then
   if [ $# -lt 1 ]; then 
      echo $me: missing hostname
      exit 1
   fi  
   rhost=$1
   shift
fi

# should the command to be started preceeded with any starter command
if [ "x$RCMD_PREFIX" = x ]; then
   cmd="$*"
else
   cmd="$RCMD_PREFIX $*"
fi

# unset TASK_ID - it might be set if a task starts another tasks 
#                 and may not be exported in this case
if [ "x$TASK_ID" = x ]; then
   unset TASK_ID
fi

if [ x$just_wrap = x ]; then 
   if [ $minus_n -eq 1 ]; then
      echo $SGE_ROOT/bin/$ARC/qrsh -inherit -nostdin $rhost $cmd
      exec $SGE_ROOT/bin/$ARC/qrsh -inherit -nostdin $rhost $cmd
   else
      echo $SGE_ROOT/bin/$ARC/qrsh -inherit $rhost $cmd
      exec $SGE_ROOT/bin/$ARC/qrsh -inherit $rhost $cmd
   fi
else
   echo $me $rhost $*
   if [ $minus_n = 1 ]; then
      exec $me -n $rhost $cmd
   else
      exec $me $rhost $cmd
   fi
   echo $me not found in PATH=$PATH
fi
