#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# See LICENSE.txt included in this distribution for the specific
# language governing permissions and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at LICENSE.txt.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
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#
# Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
# Portions Copyright (c) 2020, Krystof Tulinger <k.tulinger@seznam.cz>
#

from shutil import which

from .repository import Repository, RepositoryException
from ..utils.command import Command


class GitRepository(Repository):
    def __init__(self, logger, path, project, command, env, hooks, timeout):
        super().__init__(logger, path, project, command, env, hooks, timeout)

        self.command = self._repository_command(command, default=lambda: which('git'))

        if not self.command:
            raise RepositoryException("Cannot get git command")

        # The incoming() check relies on empty output so configure
        # the repository first to avoid getting extra output.
        git_command = [self.command, "config", "--local", "pull.ff", "only"]
        cmd = self.getCommand(git_command, work_dir=self.path,
                              env_vars=self.env, logger=self.logger)
        cmd.execute()
        if cmd.getretcode() != 0 or cmd.getstate() != Command.FINISHED:
            cmd.log_error("failed to configure git pull.ff")

    def reposync(self):
        return self._run_custom_sync_command([self.command, 'pull', '--ff-only'])

    def incoming_check(self):
        return self._run_custom_incoming_command([self.command, 'pull', '--dry-run'])