anchor.diff:    echo "chef configured"
   }
   
  -
  -configure_converger() {
  +configure_converge() {
     cat<<EOF > $converge
   #!/bin/bash -eu
   
  
positive.code: 
  
  ##
  ## common function
  ##
  
  
  update() {
    echo updating apt repo
    apt-get update 1>&2
  }
  
  
  install() {
    if ! (dpkg -l | awk '{print $2}' | grep -q ^$1$ ) ; then
  
negative.code: EOF
    chmod 544 $converge
  }
  
  run_chef() {
    set +e # unset e to allow retries
  