Upload changes cookbook / roles

changes.sh

#!/bin/sh

COOKBOOKS_FOLDER=cookbooks

[ -d .git ] && {
  git fetch
  if [ -f .git/latest_changes ]; then
    SRC="$(cat .git/latest_changes).."
  else
    SRC=""
  fi

  B=$(git branch | grep "\*" | awk '{print $2}')
  echo "Working on ${SRC}origin/$B"
  DIFF=$(git diff ${SRC}origin/$B --name-only)
  git pull
  for role in $(echo "$DIFF" | grep roles | grep ".rb"); do
    if [ -f roles/$roles ]; then
      knife role from file $role
    fi
    # No deletion.
  done
  for cb in $(echo "$DIFF" | grep $COOKBOOKS_FOLDER | cut -d'/' -f2 | sort | uniq); do
    if [ -d $COOKBOOKS_FOLDER/$cb ]; then
      knife cookbook upload $cb
    else
      knife cookbook delete $cb -y
    fi
  done
  # commit transaction
  git show  --format=%H | head -1 > .git/latest_changes

} || {
  echo "Hope you have synchronized.."
  knife cookbook upload -a
  for ro in `ls roles/*.rb`; do
    knife role from file $ro 
  done

}