Command Line Tool Wrapper for Docker

wrapper.sh

#!/usr/bin/env bash

echo $@ | grep -q ' - '

if [ $? -eq 0 ]
then
  ENTRYPOINT=$1
  shift

  while [ "x$1" != "x-" ]
  do
    ENTRYPOINT="$ENTRYPOINT $1"
    shift
  done

  shift
  REQ_COMMAND=$@
else
  ENTRYPOINT=$@
fi

if [ -z "$REQ_COMMAND" ]
then
  $ENTRYPOINT
else
  $ENTRYPOINT "$REQ_COMMAND"
fi