anchor.diff:      warning "Nothing changed - very suspicious"
       continue
     fi
  -  item "Upload and freeze changed cookbooks"
     knife cookbook upload -V --freeze --force $changed
   done
   
   h1 "Upload testing environment"
   for name in $HOMEBASES; do
     switch_to $name
  -  h2 `pwd`
  +  item `pwd`
     knife environment from file testing.rb
   done
   
  
positive.code: done
  
  h1 "Advance all changes to testing (after ensuring proper matryoshka)"
  change_all_branches "testing"
  for name in $ALL_PATHS; do
    switch_to $name
    h2 `pwd`
    if ! git merge staging | grep 'Already up-to-date' > /dev/null; then
      echo "FATAL: master is not a descendant of staging" >&2
      exit 1
  
negative.code: h1 "Find, validate, upload, and freeze changed cookbooks"
  for name in $HOMEBASES; do
    switch_to $name
    item `pwd`
    changed=''
    for cookbook in `ls -1d $testing/*/ | cut -d/ -f2`; do
      test_cb=$testing/$cookbook
  