# -*- coding: utf-8 -*-

"""

 (c) 2015-2018 - Copyright Red Hat Inc

 Authors:

   Pierre-Yves Chibon <pingou@pingoured.fr></pingou@pingoured.fr>

"""

from __future__ import unicode_literals

__requires__ = ['SQLAlchemy >= 0.7']

import pkg_resources

import imp

import json

import logging

import os

import re

import resource

import shutil

import subprocess

import sys

import tempfile

import time

import unittest

from io import open, StringIO

logging.basicConfig(stream=sys.stderr)

from bs4 import BeautifulSoup

from contextlib import contextmanager

from datetime import date

from datetime import datetime

from datetime import timedelta

from functools import wraps

from six.moves.urllib.parse import urlparse, parse_qs

import mock

import pygit2

import redis

import six

from bs4 import BeautifulSoup

from celery.app.task import EagerResult

from sqlalchemy import create_engine

from sqlalchemy.orm import sessionmaker

from sqlalchemy.orm import scoped_session

if six.PY2:

    # Always enable performance counting for tests

    os.environ['PAGURE_PERFREPO'] = 'true'

sys.path.insert(0, os.path.join(os.path.dirname(

    os.path.abspath(__file__)), '..'))

import pagure

import pagure.api

from pagure.api.ci import jenkins

import pagure.flask_app

import pagure.lib

import pagure.lib.model

import pagure.lib.tasks_mirror

import pagure.perfrepo as perfrepo

from pagure.config import config as pagure_config, reload_config

from pagure.lib.repo import PagureRepo

HERE = os.path.join(os.path.dirname(os.path.abspath(__file__)))

LOG = logging.getLogger(__name__)

LOG.setLevel(logging.INFO)

PAGLOG = logging.getLogger('pagure')

PAGLOG.setLevel(logging.CRITICAL)

PAGLOG.handlers = []

if 'PYTHONPATH' not in os.environ:

    os.environ['PYTHONPATH'] = os.path.normpath(os.path.join(HERE, '../'))

CONFIG_TEMPLATE = """

GIT_FOLDER = '%(path)s/repos'

ENABLE_DOCS = %(enable_docs)s

ENABLE_TICKETS = %(enable_tickets)s

REMOTE_GIT_FOLDER = '%(path)s/remotes'

DB_URL = '%(dburl)s'

ALLOW_PROJECT_DOWAIT = True

PAGURE_CI_SERVICES = ['jenkins']

EMAIL_SEND = False

TESTING = True

GIT_FOLDER = '%(path)s/repos'

REQUESTS_FOLDER = '%(path)s/repos/requests'

TICKETS_FOLDER = %(tickets_folder)r

DOCS_FOLDER = %(docs_folder)r

REPOSPANNER_PSEUDO_FOLDER = '%(path)s/repos/pseudo'

ATTACHMENTS_FOLDER = '%(path)s/attachments'

BROKER_URL = 'redis+socket://%(global_path)s/broker'

CELERY_CONFIG = {

    "task_always_eager": True,

    #"task_eager_propagates": True,

}

GIT_AUTH_BACKEND = '%(authbackend)s'

TEST_AUTH_STATUS = '%(path)s/testauth_status.json'

REPOSPANNER_NEW_REPO = %(repospanner_new_repo)s

REPOSPANNER_NEW_REPO_ADMIN_OVERRIDE = %(repospanner_admin_override)s

REPOSPANNER_NEW_FORK = %(repospanner_new_fork)s

REPOSPANNER_ADMIN_MIGRATION = %(repospanner_admin_migration)s

REPOSPANNER_REGIONS = {

    'default': {'url': 'https://nodea.regiona.repospanner.local:%(repospanner_gitport)s',

                'repo_prefix': 'pagure/',

                'hook': None,

                'ca': '%(path)s/repospanner/pki/ca.crt',

                'admin_cert': {'cert': '%(path)s/repospanner/pki/admin.crt',

                               'key': '%(path)s/repospanner/pki/admin.key'},

                'push_cert': {'cert': '%(path)s/repospanner/pki/pagure.crt',

                              'key': '%(path)s/repospanner/pki/pagure.key'}}

}

"""

# The Celery docs warn against using task_always_eager:

# http://docs.celeryproject.org/en/latest/userguide/testing.html

# but that warning is only valid when testing the async nature of the task, not

# what the task actually does.

LOG.info('BUILD_ID: %s', os.environ.get('BUILD_ID'))

WAIT_REGEX = re.compile("""var _url = '(\/wait\/[a-z0-9-]+\??.*)'""")

def get_wait_target(html):

    """ This parses the window.location out of the HTML for the wait page. """

    found = WAIT_REGEX.findall(html)

    if len(found) == 0:

        raise Exception("Not able to get wait target in %s" % html)

    return found[-1]

def get_post_target(html):

    """ This parses the wait page form to get the POST url. """

    soup = BeautifulSoup(html, 'html.parser')

    form = soup.find(id='waitform')

    if not form:

        raise Exception("Not able to get the POST url in %s" % html)

    return form.get('action')

def get_post_args(html):

    """ This parses the wait page for the hidden arguments of the form. """

    soup = BeautifulSoup(html, 'html.parser')

    output = {}

    inputs = soup.find_all('input')

    if not inputs:

        raise Exception("Not able to get the POST arguments in %s" % html)

    for inp in inputs:

        if inp.get('type') == 'hidden':

            output[inp.get('name')] = inp.get('value')

    return output

def create_maybe_waiter(method, getter):

    def maybe_waiter(*args, **kwargs):

        """ A wrapper for self.app.get()/.post() that will resolve wait's """

        result = method(*args, **kwargs)

        # Handle the POST wait case

        form_url = None

        form_args = None

        try:

            result_text = result.get_data(as_text=True)

        except UnicodeDecodeError:

            return result

        if 'id="waitform"' in result_text:

            form_url = get_post_target(result_text)

            form_args = get_post_args(result_text)

            form_args['csrf_token'] = result_text.split(

                'name="csrf_token" type="hidden" value="')[1].split('">')[0]

        count = 0

        while 'We are waiting for your task to finish.' in result_text:

            # Resolve wait page

            target_url = get_wait_target(result_text)

            if count > 10:

                time.sleep(0.5)

            else:

                time.sleep(0.1)

            result = getter(target_url, follow_redirects=True)

            try:

                result_text = result.get_data(as_text=True)

            except UnicodeDecodeError:

                return result

            if count > 50:

                raise Exception('Had to wait too long')

        else:

            if form_url and form_args:

                return method(form_url, data=form_args, follow_redirects=True)

            return result

    return maybe_waiter

@contextmanager

def user_set(APP, user, keep_get_user=False):

    """ Set the provided user as fas_user in the provided application."""

    # Hack used to remove the before_request function set by

    # flask.ext.fas_openid.FAS which otherwise kills our effort to set a

    # flask.g.fas_user.

    from flask import appcontext_pushed, g

    keep = []

    for meth in APP.before_request_funcs[None]:

        if 'flask_fas_openid.FAS' in str(meth):

            continue

        keep.append(meth)

    APP.before_request_funcs[None] = keep

    def handler(sender, **kwargs):

        g.fas_user = user

        g.fas_session_id = b'123'

        g.authenticated = True

    old_get_user = pagure.flask_app._get_user

    if not keep_get_user:

        pagure.flask_app._get_user = mock.MagicMock(

            return_value=pagure.lib.model.User())

    with appcontext_pushed.connected_to(handler, APP):

        yield

    pagure.flask_app._get_user = old_get_user

tests_state = {

    "path": tempfile.mkdtemp(prefix='pagure-tests-'),

    "broker": None,

    "broker_client": None,

    "results": {},

}

def _populate_db(session):

    # Create a couple of users

    item = pagure.lib.model.User(

        user='pingou',

        fullname='PY C',

        password=b'foo',

        default_email='bar@pingou.com',

    )

    session.add(item)

    item = pagure.lib.model.UserEmail(

        user_id=1,

        email='bar@pingou.com')

    session.add(item)

    item = pagure.lib.model.UserEmail(

        user_id=1,

        email='foo@pingou.com')

    session.add(item)

    item = pagure.lib.model.User(

        user='foo',

        fullname='foo bar',

        password=b'foo',

        default_email='foo@bar.com',

    )

    session.add(item)

    item = pagure.lib.model.UserEmail(

        user_id=2,

        email='foo@bar.com')

    session.add(item)

    session.commit()

def store_eager_results(*args, **kwargs):

    """A wrapper for EagerResult that stores the instance."""

    result = EagerResult(*args, **kwargs)

    tests_state["results"][result.id] = result

    return result

def setUp():

    # In order to save time during local test execution, we create sqlite DB

    # file only once and then we populate it and empty it for every test case

    # (as opposed to creating DB file for every test case).

    session = pagure.lib.model.create_tables(

        'sqlite:///%s/db.sqlite' % tests_state["path"],

        acls=pagure_config.get('ACLS', {}),

    )

    tests_state["db_session"] = session

    # Create a broker

    broker_url = os.path.join(tests_state["path"], 'broker')

    tests_state["broker"] = broker = subprocess.Popen(

        ['/usr/bin/redis-server', '--unixsocket', broker_url, '--port',

         '0', '--loglevel', 'warning', '--logfile', '/dev/null'],

        stdout=None, stderr=None)

    broker.poll()

    if broker.returncode is not None:

        raise Exception('Broker failed to start')

    tests_state["broker_client"] = redis.Redis(unix_socket_path=broker_url)

    # Store the EagerResults to be able to retrieve them later

    tests_state["eg_patcher"] = mock.patch('celery.app.task.EagerResult')

    eg_mock = tests_state["eg_patcher"].start()

    eg_mock.side_effect = store_eager_results

def tearDown():

    tests_state["db_session"].close()

    tests_state["eg_patcher"].stop()

    broker = tests_state["broker"]

    broker.kill()

    broker.wait()

    shutil.rmtree(tests_state["path"])

class SimplePagureTest(unittest.TestCase):

    """

    Simple Test class that does not set a broker/worker

    """

    populate_db = True

    config_values = {}

    @mock.patch('pagure.lib.notify.fedmsg_publish', mock.MagicMock())

    def __init__(self, method_name='runTest'):

        """ Constructor. """

        unittest.TestCase.__init__(self, method_name)

        self.session = None

        self.path = None

        self.gitrepo = None

        self.gitrepos = None

    def perfMaxWalks(self, max_walks, max_steps):

        """ Check that we have not performed too many walks/steps. """

        num_walks = 0

        num_steps = 0

        for reqstat in perfrepo.REQUESTS:

            for walk in reqstat['walks'].values():

                num_walks += 1

                num_steps += walk['steps']

        self.assertLessEqual(num_walks, max_walks,

                             '%s git repo walks performed, at most %s allowed'

                             % (num_walks, max_walks))

        self.assertLessEqual(num_steps, max_steps,

                             '%s git repo steps performed, at most %s allowed'

                             % (num_steps, max_steps))

    def perfReset(self):

        """ Reset perfrepo stats. """

        perfrepo.reset_stats()

        perfrepo.REQUESTS = []

    def setUp(self):

        if self.path:

            # This prevents test state leakage.

            # This should be None if the previous runs' tearDown didn't finish,

            # leaving behind a self.path.

            # If we continue in this case, not only did the previous worker and

            # redis instances not exit, we also might accidentally use the

            # old database connection.

            # @pingou, don't delete this again... :)

            raise Exception('Previous test failed!')

        self.perfReset()

        self.path = tempfile.mkdtemp(prefix='pagure-tests-path-')

        LOG.debug('Testdir: %s', self.path)

        for folder in ['repos', 'forks', 'releases', 'remotes', 'attachments']:

            os.mkdir(os.path.join(self.path, folder))

        if hasattr(pagure, 'REDIS') and pagure.REDIS:

            pagure.REDIS.connection_pool.disconnect()

            pagure.REDIS = None

        if hasattr(pagure.lib, 'REDIS') and pagure.lib.REDIS:

            pagure.lib.REDIS.connection_pool.disconnect()

            pagure.lib.REDIS = None

        # Database

        self._prepare_db()

        # Write a config file

        config_values = {

            'path': self.path, 'dburl': self.dbpath,

            'enable_docs': True,

            'docs_folder': '%s/repos/docs' % self.path,

            'enable_tickets': True,

            'tickets_folder': '%s/repos/tickets' % self.path,

            'global_path': tests_state["path"],

            'authbackend': 'gitolite3',

            'repospanner_gitport': str(8443 + sys.version_info.major),

            'repospanner_new_repo': 'None',

            'repospanner_admin_override': 'False',

            'repospanner_new_fork': 'True',

            'repospanner_admin_migration': 'False',

        }

        config_values.update(self.config_values)

        config_path = os.path.join(self.path, 'config')

        if not os.path.exists(config_path):

            with open(config_path, 'w') as f:

                f.write(CONFIG_TEMPLATE % config_values)

        os.environ["PAGURE_CONFIG"] = config_path

        pagure_config.update(reload_config())

        imp.reload(pagure.lib.tasks)

        imp.reload(pagure.lib.tasks_mirror)

        imp.reload(pagure.lib.tasks_services)

        self._app = pagure.flask_app.create_app({'DB_URL': self.dbpath})

        # Remove the log handlers for the tests

        self._app.logger.handlers = []

        self.app = self._app.test_client()

        self.gr_patcher = mock.patch('pagure.lib.tasks.get_result')

        gr_mock = self.gr_patcher.start()

        gr_mock.side_effect = lambda tid: tests_state["results"][tid]

    def tearDown(self):

        self.gr_patcher.stop()

        self.session.rollback()

        self._clear_database()

        # Remove testdir

        try:

            shutil.rmtree(self.path)

        except:

            # Sometimes there is a race condition that makes deleting the folder

            # fail during the first attempt. So just try a second time if that's

            # the case.

            shutil.rmtree(self.path)

        self.path = None

        del self.app

        del self._app

    def shortDescription(self):

        doc = self.__str__() + ": " + self._testMethodDoc

        return doc or None

    def _prepare_db(self):

        self.dbpath = 'sqlite:///%s' % os.path.join(

            tests_state["path"], 'db.sqlite')

        self.session = tests_state["db_session"]

        pagure.lib.model.create_default_status(

            self.session, acls=pagure_config.get('ACLS', {}))

        if self.populate_db:

            _populate_db(self.session)

    def _clear_database(self):

        tables = reversed(pagure.lib.model.BASE.metadata.sorted_tables)

        if self.dbpath.startswith('postgresql'):

            self.session.execute("TRUNCATE %s CASCADE" % ", ".join(

                [t.name for t in tables]))

        elif self.dbpath.startswith('sqlite'):

            for table in tables:

                self.session.execute("DELETE FROM %s" % table.name)

        elif self.dbpath.startswith('mysql'):

            self.session.execute("SET FOREIGN_KEY_CHECKS = 0")

            for table in tables:

                self.session.execute("TRUNCATE %s" % table.name)

            self.session.execute("SET FOREIGN_KEY_CHECKS = 1")

        self.session.commit()

    def set_auth_status(self, value):

        """ Set the return value for the test auth """

        with open(os.path.join(self.path, 'testauth_status.json'), 'w') as statusfile:

            statusfile.write(six.u(json.dumps(value)))

    def get_csrf(self, url='/new', output=None):

        """Retrieve a CSRF token from given URL."""

        if output is None:

            output = self.app.get(url)

            self.assertEqual(output.status_code, 200)

        return output.get_data(as_text=True).split(

            'name="csrf_token" type="hidden" value="')[1].split('">')[0]

    def get_wtforms_version(self):

        """Returns the wtforms version as a tuple."""

        import wtforms

        wtforms_v = wtforms.__version__.split('.')

        for idx, val in enumerate(wtforms_v):

            try:

                val = int(val)

            except ValueError:

                pass

            wtforms_v[idx] = val

        return tuple(wtforms_v)

    def assertURLEqual(self, url_1, url_2):

        url_parsed_1 = list(urlparse(url_1))

        url_parsed_1[4] = parse_qs(url_parsed_1[4])

        url_parsed_2 = list(urlparse(url_2))

        url_parsed_2[4] = parse_qs(url_parsed_2[4])

        return self.assertListEqual(url_parsed_1, url_parsed_2)

    def assertJSONEqual(self, json_1, json_2):

        return self.assertEqual(json.loads(json_1), json.loads(json_2))

class Modeltests(SimplePagureTest):

    """ Model tests. """

    def setUp(self):    # pylint: disable=invalid-name

        """ Set up the environnment, ran before every tests. """

        # Clean up test performance info

        super(Modeltests, self).setUp()

        self.app.get = create_maybe_waiter(self.app.get, self.app.get)

        self.app.post = create_maybe_waiter(self.app.post, self.app.get)

    def tearDown(self):     # pylint: disable=invalid-name

        """ Remove the test.db database if there is one. """

        tests_state["broker_client"].flushall()

        super(Modeltests, self).tearDown()

    def create_project_full(self, projectname):

        """ Create a project via the API.

        This makes sure that the repo is fully setup the way a normal new

        project would be, with hooks and all setup.

        """

        headers = {'Authorization': 'token aaabbbcccddd'}

        data = {

            'name': projectname,

            'description': 'A test repo',

        }

        # Valid request

        output = self.app.post(

            '/api/0/new/', data=data, headers=headers)

        self.assertEqual(output.status_code, 200)

        data = json.loads(output.get_data(as_text=True))

        self.assertDictEqual(

            data,

            {'message': 'Project "%s" created' % projectname}

        )

class FakeGroup(object):    # pylint: disable=too-few-public-methods

    """ Fake object used to make the FakeUser object closer to the

    expectations.

    """

    def __init__(self, name):

        """ Constructor.

        :arg name: the name given to the name attribute of this object.

        """

        self.name = name

        self.group_type = 'cla'

class FakeUser(object):     # pylint: disable=too-few-public-methods

    """ Fake user used to test the fedocallib library. """

    def __init__(self, groups=None, username='username', cla_done=True, id=1):

        """ Constructor.

        :arg groups: list of the groups in which this fake user is

            supposed to be.

        """

        if isinstance(groups, six.string_types):

            groups = [groups]

        self.id = id

        self.groups = groups or []

        self.user = username

        self.username = username

        self.name = username

        self.email = 'foo@bar.com'

        self.default_email = 'foo@bar.com'

        self.approved_memberships = [

            FakeGroup('packager'),

            FakeGroup('design-team')

        ]

        self.dic = {}

        self.dic['timezone'] = 'Europe/Paris'

        self.login_time = datetime.utcnow()

        self.cla_done = cla_done

    def __getitem__(self, key):

        return self.dic[key]

def create_locks(session, project):

    for ltype in ('WORKER', 'WORKER_TICKET', 'WORKER_REQUEST'):

        lock = pagure.lib.model.ProjectLock(

            project_id=project.id,

            lock_type=ltype)

        session.add(lock)

def create_projects(session, is_fork=False, user_id=1, hook_token_suffix=''):

    """ Create some projects in the database. """

    item = pagure.lib.model.Project(

        user_id=user_id,  # pingou

        name='test',

        is_fork=is_fork,

        parent_id=1 if is_fork else None,

        description='test project #1',

        hook_token='aaabbbccc' + hook_token_suffix,

    )

    item.close_status = ['Invalid', 'Insufficient data', 'Fixed', 'Duplicate']

    session.add(item)

    session.flush()

    create_locks(session, item)

    item = pagure.lib.model.Project(

        user_id=user_id,  # pingou

        name='test2',

        is_fork=is_fork,

        parent_id=2 if is_fork else None,

        description='test project #2',

        hook_token='aaabbbddd' + hook_token_suffix,

    )

    item.close_status = ['Invalid', 'Insufficient data', 'Fixed', 'Duplicate']

    session.add(item)

    item = pagure.lib.model.Project(

        user_id=user_id,  # pingou

        name='test3',

        is_fork=is_fork,

        parent_id=3 if is_fork else None,

        description='namespaced test project',

        hook_token='aaabbbeee' + hook_token_suffix,

        namespace='somenamespace',

    )

    item.close_status = ['Invalid', 'Insufficient data', 'Fixed', 'Duplicate']

    session.add(item)

    session.commit()

def create_projects_git(folder, bare=False):

    """ Create some projects in the database. """

    repos = []

    for project in ['test.git', 'test2.git',

                    os.path.join('somenamespace', 'test3.git')]:

        repo_path = os.path.join(folder, project)

        repos.append(repo_path)

        if not os.path.exists(repo_path):

            os.makedirs(repo_path)

        pygit2.init_repository(repo_path, bare=bare)

    return repos

def create_tokens(session, user_id=1, project_id=1):

    """ Create some tokens for the project in the database. """

    item = pagure.lib.model.Token(

        id='aaabbbcccddd',

        user_id=user_id,

        project_id=project_id,

        expiration=datetime.utcnow() + timedelta(days=30)

    )

    session.add(item)

    item = pagure.lib.model.Token(

        id='foo_token',

        user_id=user_id,

        project_id=project_id,

        expiration=datetime.utcnow() + timedelta(days=30)

    )

    session.add(item)

    item = pagure.lib.model.Token(

        id='expired_token',

        user_id=user_id,

        project_id=project_id,

        expiration=datetime.utcnow() - timedelta(days=1)

    )

    session.add(item)

    session.commit()

def create_tokens_acl(session, token_id='aaabbbcccddd', acl_name=None):

    """ Create some ACLs for the token. If acl_name is not set, the token will

    have all the ACLs enabled.

    """

    if acl_name is None:

        for aclid in range(len(pagure_config['ACLS'])):

            token_acl = pagure.lib.model.TokenAcl(

                token_id=token_id,

                acl_id=aclid + 1,

            )

            session.add(token_acl)

    else:

        acl = session.query(pagure.lib.model.ACL).filter_by(

            name=acl_name).one()

        token_acl = pagure.lib.model.TokenAcl(

            token_id=token_id,

            acl_id=acl.id,

        )

        session.add(token_acl)

    session.commit()

def add_content_git_repo(folder, branch='master'):

    """ Create some content for the specified git repo. """

    if not os.path.exists(folder):

        os.makedirs(folder)

    brepo = pygit2.init_repository(folder, bare=True)

    newfolder = tempfile.mkdtemp(prefix='pagure-tests')

    repo = pygit2.clone_repository(folder, newfolder)

    # Create a file in that git repo

    with open(os.path.join(newfolder, 'sources'), 'w') as stream:

        stream.write('foo\n bar')

    repo.index.add('sources')

    repo.index.write()

    parents = []

    commit = None

    try:

        commit = repo.revparse_single(

            'HEAD' if branch == 'master' else branch)

    except KeyError:

        pass

    if commit:

        parents = [commit.oid.hex]

    # Commits the files added

    tree = repo.index.write_tree()

    author = pygit2.Signature(

        'Alice Author', 'alice@authors.tld')

    committer = pygit2.Signature(

        'Cecil Committer', 'cecil@committers.tld')

    repo.create_commit(

        'refs/heads/%s' % branch,  # the name of the reference to update

        author,

        committer,

        'Add sources file for testing',

        # binary string representing the tree object ID

        tree,

        # list of binary strings representing parents of the new commit

        parents,

    )

    parents = []

    commit = None

    try:

        commit = repo.revparse_single(

            'HEAD' if branch == 'master' else branch)

    except KeyError:

        pass

    if commit:

        parents = [commit.oid.hex]

    subfolder = os.path.join('folder1', 'folder2')

    if not os.path.exists(os.path.join(newfolder, subfolder)):

        os.makedirs(os.path.join(newfolder, subfolder))

    # Create a file in that git repo

    with open(os.path.join(newfolder, subfolder, 'file'), 'w') as stream:

        stream.write('foo\n bar\nbaz')

    repo.index.add(os.path.join(subfolder, 'file'))

    with open(os.path.join(newfolder, subfolder, 'fileŠ'), 'w') as stream:

        stream.write('foo\n bar\nbaz')

    repo.index.add(os.path.join(subfolder, 'fileŠ'))

    repo.index.write()

    # Commits the files added

    tree = repo.index.write_tree()

    author = pygit2.Signature(

        'Alice Author', 'alice@authors.tld')

    committer = pygit2.Signature(

        'Cecil Committer', 'cecil@committers.tld')

    repo.create_commit(

        'refs/heads/%s' % branch,  # the name of the reference to update

        author,

        committer,

        'Add some directory and a file for more testing',

        # binary string representing the tree object ID

        tree,

        # list of binary strings representing parents of the new commit

        parents

    )

    # Push to origin

    ori_remote = repo.remotes[0]

    master_ref = repo.lookup_reference(

        'HEAD' if branch == 'master' else 'refs/heads/%s' % branch).resolve()

    refname = '%s:%s' % (master_ref.name, master_ref.name)

    PagureRepo.push(ori_remote, refname)

    shutil.rmtree(newfolder)

def add_readme_git_repo(folder, readme_name='README.rst'):

    """ Create a README file for the specified git repo. """

    if not os.path.exists(folder):

        os.makedirs(folder)

    brepo = pygit2.init_repository(folder, bare=True)

    newfolder = tempfile.mkdtemp(prefix='pagure-tests')

    repo = pygit2.clone_repository(folder, newfolder)

    if readme_name == 'README.rst':

        content = """Pagure

======

:Author: Pierre-Yves Chibon <pingou@pingoured.fr></pingou@pingoured.fr>

Pagure is a light-weight git-centered forge based on pygit2.

Currently, Pagure offers a web-interface for git repositories, a ticket

system and possibilities to create new projects, fork existing ones and

create/merge pull-requests across or within projects.

Homepage: https://github.com/pypingou/pagure

Dev instance: http://209.132.184.222/ (/!\\ May change unexpectedly, it's a dev instance ;-))

"""

    else:

        content = """Pagure

======

This is a placeholder """ + readme_name + """

that should never get displayed on the website if there is a README.rst in the repo.

"""

    parents = []

    commit = None

    try:

        commit = repo.revparse_single('HEAD')

    except KeyError:

        pass

    if commit:

        parents = [commit.oid.hex]

    # Create a file in that git repo

    with open(os.path.join(newfolder, readme_name), 'w') as stream:

        stream.write(content)

    repo.index.add(readme_name)

    repo.index.write()

    # Commits the files added

    tree = repo.index.write_tree()

    author = pygit2.Signature(

        'Alice Author', 'alice@authors.tld')

    committer = pygit2.Signature(

        'Cecil Committer', 'cecil@committers.tld')

    repo.create_commit(

        'refs/heads/master',  # the name of the reference to update

        author,

        committer,

        'Add a README file',

        # binary string representing the tree object ID

        tree,

        # list of binary strings representing parents of the new commit

        parents

    )

    # Push to origin

    ori_remote = repo.remotes[0]

    master_ref = repo.lookup_reference('HEAD').resolve()

    refname = '%s:%s' % (master_ref.name, master_ref.name)

    PagureRepo.push(ori_remote, refname)

    shutil.rmtree(newfolder)

def add_commit_git_repo(folder, ncommits=10, filename='sources',

                        branch='master'):

    """ Create some more commits for the specified git repo. """

    if not os.path.exists(folder):

        os.makedirs(folder)

        pygit2.init_repository(folder, bare=True)

    newfolder = tempfile.mkdtemp(prefix='pagure-tests')

    repo = pygit2.clone_repository(folder, newfolder)

    for index in range(ncommits):

        # Create a file in that git repo

        with open(os.path.join(newfolder, filename), 'a') as stream:

            stream.write('Row %s\n' % index)

        repo.index.add(filename)

        repo.index.write()