anchor.diff:  ################################################################################
   
   set -e
  -# set -x
  +set -x
   
   function usage {
     echo "Usage: `pwd`/build-ami (options)"
  
positive.code: # the order of their appending. Thus any actual arguments given to this 
  # script and that are appended by '"$@"' will override any pre-defined value.
  
  $TOOL_DIR/create_ami.sh \
  --key-pair <%= @aws.keypair.file %> \
  --key-pair-name <%= @aws.keypair.name %> \
  --ami-id <%= @aws.base_ami %> \
  
negative.code: 
  TOOL_DIR=`echo "<%= @deployment_repo %>" | sed 's/.*\/\([^\/\.]*\)\.git/\1/g'`
  git clone <%= @deployment_repo %>
  cd $TOOL_DIR
  
  ################################################################################
  # 2 - Run create_ami.sh script using predefined variables
  