text: #!/bin/sh
  
  set -e
  
  #
  # This script is not called by the CI system! It is supposed to be used for
  # package creation debugging and as a blue print for CI configuration.
  #
  
  usage() {
    echo "Sample script that builds the cvmfs-config-default debian package from source"
    echo "Usage: $0 <work dir> <source tree root>"
    exit 1
  }
  
  if [ $# -ne 2 ]; then
    usage
  fi
  
  workdir=$1
  srctree=$(readlink --canonicalize $2)
  
  if [ "$(ls -A $workdir 2>/dev/null)" != "" ]; then
    echo "$workdir must be empty"
    exit 2
  fi
  
  echo -n "creating workspace in $workdir... "
  mkdir ${workdir}/tmp ${workdir}/src ${workdir}/result
  echo "done"
  
  echo -n "copying source tree to $workdir/tmp... "
  cp -R $srctree/* ${workdir}/tmp
  echo "done"
  
  echo -n "initializing build environment... "
  mkdir ${workdir}/src/cvmfs
  cp -R $srctree/* ${workdir}/src/cvmfs
  mkdir ${workdir}/src/cvmfs/debian
  cp -R ${workdir}/tmp/packaging/debian/config-default/* ${workdir}/src/cvmfs/debian
  cp ${workdir}/tmp/packaging/debian/config-default/Makefile ${workdir}/src/cvmfs
  echo "done"
  
  echo -n "figuring out version number from rpm packaging... "
  upstream_version="$(cat ${srctree}/packaging/rpm/cvmfs-config-default.spec | grep '^Version:' | awk '{print $2}')-0"
  echo "done"
  
  echo "building..."
  cd ${workdir}/src/cvmfs
  dch -v $upstream_version -M "bumped upstream version number"
  
  cd debian
  pdebuild --buildresult ${workdir}/result
  