shopt -s extglob

if [ $(uname) == Darwin ]; then

sed() { command sed -l "$@"; }

else

sed() { command sed -u "$@"; }

fi

# Syntax sugar.

indent() {

sed "s/^/ /"

}

# Clean up pip output

cleanup() {

sed -e 's/\.\.\.\+/.../g' | sed -e '/already satisfied/Id' | sed -e '/No files were found to uninstall/Id' | sed -e '/Overwriting/Id' | sed -e '/python executable/Id' | sed -e '/no previously-included files/Id'

}

# Buildpack Indented line.

puts-line() {

echo " $@"

}

# Buildpack Steps.

puts-step() {

echo "-----> $@"

}

# Buildpack Warnings.

puts-warn() {

echo " ! $@"

}

# Buildpack Commands.

puts-cmd() {

echo " $ $@"

}

set-env-prepend () {

env_name=$1

env_val=$2

if [[ -z "${!env_name:-}" ]]; then

export "$env_name"=$env_val

else

export "$env_name"=$env_val:"${!env_name}"

fi

}

append_profile_d() {

echo "export $1=$2" >> $DEPS_DIR/$DEPS_IDX/profile.d/python.supply.sh

}

# Usage: $ set_default_profile_d key value

set_default_profile_d() {

echo "export $1=\${$1:-$2}" >> $DEPS_DIR/$DEPS_IDX/python.supply.sh

}