# This file must be used with "source bin/activate" *from bash*
# you cannot run it directly

deactivate_node () {
    # reset old environment variables
    if [ -n "${_OLD_NODE_VIRTUAL_PATH:-}" ] ; then
        PATH="${_OLD_NODE_VIRTUAL_PATH:-}"
        export PATH
        unset _OLD_NODE_VIRTUAL_PATH

        NODE_PATH="${_OLD_NODE_PATH:-}"
        export NODE_PATH
        unset _OLD_NODE_PATH

        NPM_CONFIG_PREFIX="${_OLD_NPM_CONFIG_PREFIX:-}"
        npm_config_prefix="${_OLD_npm_config_prefix:-}"
        export NPM_CONFIG_PREFIX
        export npm_config_prefix
        unset _OLD_NPM_CONFIG_PREFIX
        unset _OLD_npm_config_prefix
    fi

    # This should detect bash and zsh, which have a hash command that must
    # be called to get it to forget past commands.  Without forgetting
    # past commands the $PATH changes we made may not be respected
    if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
        hash -r
    fi

    if [ -n "${_OLD_NODE_VIRTUAL_PS1:-}" ] ; then
        PS1="${_OLD_NODE_VIRTUAL_PS1:-}"
        export PS1
        unset _OLD_NODE_VIRTUAL_PS1
    fi

    unset NODE_VIRTUAL_ENV
    if [ ! "${1:-}" = "nondestructive" ] ; then
    # Self destruct!
        unset -f deactivate_node
    fi
}

freeze () {
    local NPM_VER=`npm -v | cut -d '.' -f 1`
    local re="[a-zA-Z0-9\.\-]+@[0-9]+\.[0-9]+\.[0-9]+([\+\-][a-zA-Z0-9\.\-]+)*"
    if [ "$NPM_VER" = '0' ]; then
        NPM_LIST=`npm list installed active 2>/dev/null | \
                  cut -d ' ' -f 1 | grep -v npm`
    else
        local npmls="npm ls -g"
        if [ "${1:-}" = "-l" ]; then
            npmls="npm ls"
            shift
        fi
        NPM_LIST=$(eval ${npmls} | grep -E '^.{4}\w{1}'| \
                                   grep -o -E "$re"| grep -v npm)
    fi

    if [ -z "$@" ]; then
        echo "$NPM_LIST"
    else
        echo "$NPM_LIST" > $@
    fi
}

# unset irrelevant variables
deactivate_node nondestructive

# find the directory of this script
# http://stackoverflow.com/a/246128
if [ "${BASH_SOURCE:-}" ] ; then
    SOURCE="${BASH_SOURCE[0]}"

    while [ -h "$SOURCE" ] ; do SOURCE="$(readlink "$SOURCE")"; done
    DIR="$( command cd -P "$( dirname "$SOURCE" )" > /dev/null && pwd )"

    NODE_VIRTUAL_ENV="$(dirname "$DIR")"
else
    # dash not movable. fix use case:
    #   dash -c " . node-env/bin/activate && node -v"
    NODE_VIRTUAL_ENV="/root/.cache/prisma-python/nodeenv"
fi

# NODE_VIRTUAL_ENV is the parent of the directory where this script is
export NODE_VIRTUAL_ENV

_OLD_NODE_VIRTUAL_PATH="$PATH"
PATH="$NODE_VIRTUAL_ENV/lib/node_modules/.bin:$NODE_VIRTUAL_ENV/bin:$PATH"
export PATH

_OLD_NODE_PATH="${NODE_PATH:-}"
NODE_PATH="$NODE_VIRTUAL_ENV/lib/node_modules"
export NODE_PATH

_OLD_NPM_CONFIG_PREFIX="${NPM_CONFIG_PREFIX:-}"
_OLD_npm_config_prefix="${npm_config_prefix:-}"
NPM_CONFIG_PREFIX="$NODE_VIRTUAL_ENV"
npm_config_prefix="$NODE_VIRTUAL_ENV"
export NPM_CONFIG_PREFIX
export npm_config_prefix

if [ -z "${NODE_VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
    _OLD_NODE_VIRTUAL_PS1="${PS1:-}"
    if [ "x(nodeenv)" != x ] ; then
        PS1="(nodeenv) ${PS1:-}"
    else
    if [ "`basename \"$NODE_VIRTUAL_ENV\"`" = "__" ] ; then
        # special case for Aspen magic directories
        # see http://www.zetadev.com/software/aspen/
        PS1="[`basename \`dirname \"$NODE_VIRTUAL_ENV\"\``] ${PS1:-}"
    else
        PS1="(`basename \"$NODE_VIRTUAL_ENV\"`) ${PS1:-}"
    fi
    fi
    export PS1
fi

# This should detect bash and zsh, which have a hash command that must
# be called to get it to forget past commands.  Without forgetting
# past commands the $PATH changes we made may not be respected
if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
    hash -r
fi