"""Password store management module."""

import os
import subprocess

from autonomic.settings import INFRASTRUCTURE_PATH, PASSWORD_STORE_PATH
from autonomic.system import exit_with_msg


def get_from_pass(path):
    """Retrieve a password from the password store."""
    env = os.environ.copy()
    env.update({"PASSWORD_STORE_DIR": PASSWORD_STORE_PATH})

    try:
        os.chdir(INFRASTRUCTURE_PATH)
        command = ["pass", "show", path]
        output = subprocess.check_output(command, env=env)
        return output.decode("utf-8").strip()
    except subprocess.CalledProcessError as exception:
        msg = "{} failed! Saw {}".format(" ".join(command), str(exception))
        exit_with_msg(msg)