utils

# Syntax sugar.
indent() {
  RE="s/^/       /"
  [ $(uname) == "Darwin" ] && sed -l "$RE" || sed -u "$RE"
}

# Clean up pip output
cleanup() {
  sed -e 's/\.\.\.\+/.../g' | sed -e '/already satisfied/Id' | sed -e '/Overwriting/Id' |  sed -e '/python executable/Id' | sed -e '/no previously-included files/Id'
}

# Virtualenv wrapper.
function virtualenv (){
  python "$ROOT_DIR/vendor/virtualenv-1.8.4/virtualenv.py" "$@"
}

# Buildpack Steps.
function puts-step (){
  echo "-----> $@"
}

# Buildpack Warnings.
function puts-warn (){
  echo " !     $@"
}

# Usage: $ set-env key value
function set-env (){
  echo "export $1=$2" >> $PROFILE_PATH
}

# Usage: $ set-default-env key value
function set-default-env (){
  echo "export $1=\${$1:-$2}" >> $PROFILE_PATH
}