#!/bin/sh

# Find the real ssh
REALSSH=`which -a ssh | grep -v "^$0$" | sed 1q`

# Bail out if we're invoking ssh from pssh. For some reason it hangs
# if we try to crete amaster connection.
if [ xxx$PSSH_NODENUM != "xxx" ] ; then
    exec $REALSSH "$@"
fi


# Check for a master
$REALSSH -O check "$@" 2>&1 | grep "Master running" >/dev/null
# Start a new one in the background if necessary
if [ $? -ne "0" ] ; then
    $REALSSH -MfN "$@"
fi

# Now we have a master. Execute the original request using the real
# ssh.
exec $REALSSH "$@"