heroku-buildpack-python/bin/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
}

# Does some serious copying.
function deep-cp (){
  find -H $1 -maxdepth 1 -name '.*' -a \( -type d -o -type f -o -type l \) -exec cp -a '{}' $2 \;
  cp -r $1/* $2
  echo copying $1 to $2
}

# Does some serious moving.
function deep-mv (){
  deep-cp $1 $2

  rm -fr $1/*
  find -H $1 -maxdepth 1 -name '.*' -a \( -type d -o -type f -o -type l \) -exec rm -fr '{}' \;
}