"""
Copyright 2018 Oliver Smith

This file is part of pmbootstrap.

pmbootstrap is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

pmbootstrap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with pmbootstrap.  If not, see <http://www.gnu.org/licenses/>.
"""
import logging
import os

import pmb.build
import pmb.chroot.apk
import pmb.config
import pmb.helpers.run


def clone(args, repo_name):
    if repo_name not in pmb.config.git_repos:
        raise ValueError("No git repository configured for " + repo_name)

    if not os.path.exists(args.work + "/cache_git/" + repo_name):
        pmb.chroot.apk.install(args, ["git"])
        logging.info("(native) git clone " + pmb.config.git_repos[repo_name])
        pmb.chroot.user(args, ["git", "clone", "--depth=1",
                               pmb.config.git_repos[repo_name], repo_name], working_dir="/home/pmos/git/")


def rev_parse(args, revision="HEAD"):
    rev = pmb.helpers.run.user(args, ["git", "rev-parse", revision],
                               working_dir=args.aports,
                               return_stdout=True,
                               check=False)
    if rev is None:
        logging.warning("WARNING: Failed to determine revision of git repository at " + args.aports)
        return ""
    return rev.rstrip()