# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import os

import sys

import binascii

from inspect import isfunction

from mercurial.scmutil import revrange

from mercurial.node import nullrev

from rhodecode.lib import helpers as h

from rhodecode.lib.utils import action_logger

from rhodecode.lib.vcs.backends.base import EmptyChangeset

def _get_scm_size(alias, root_path):

    if not alias.startswith('.'):

        alias += '.'

    size_scm, size_root = 0, 0

    for path, dirs, files in os.walk(root_path):

    :param ui:

    :param repo:

    """

    extras = dict(repo.ui.configitems('rhodecode_extras'))

    username = extras['username']

    repository = extras['repository']

    scm = extras['scm']

    action = 'pull'

    action_logger(username, action, repository, extras['ip'], commit=True)

    # extension hook call

    callback = getattr(EXTENSIONS, 'PULL_HOOK', None)

    if isfunction(callback):

        kw = {}

        kw.update(extras)

        callback(**kw)

    return 0

def log_push_action(ui, repo, **kwargs):

    """

    Maps user last push action to new changeset id, from mercurial

        h = binascii.hexlify

        revs = (h(repo[r].node()) for r in xrange(start, stop + 1))

    elif scm == 'git':

        revs = kwargs.get('_git_revs', [])

        if '_git_revs' in kwargs:

            kwargs.pop('_git_revs')

    action = action % ','.join(revs)

    action_logger(username, action, repository, extras['ip'], commit=True)

    # extension hook call

    callback = getattr(EXTENSIONS, 'PUSH_HOOK', None)

    if isfunction(callback):

        kw = {'pushed_revs': revs}

        kw.update(extras)

        callback(**kw)

    return 0

def log_create_repository(repository_dict, created_by, **kwargs):

    """

    Post create repository Hook. This is a dummy function for admins to re-use

    if needed. It's taken from rhodecode-extensions module and executed

     'private',

     'created_on',

     'enable_downloads',

     'repo_id',

     'user_id',

     'enable_statistics',

     'clone_uri',

     'fork_id',

     'group_id',

     'repo_name'

    """

    callback = getattr(EXTENSIONS, 'CREATE_REPO_HOOK', None)

    if isfunction(callback):

        kw = {}

        kw.update(repository_dict)

        kw.update({'created_by': created_by})

        kw.update(kwargs)

        return callback(**kw)

    return 0

def handle_git_post_receive(repo_path, revs, env):

        try:

            gitenv = os.environ

            from rhodecode import CONFIG

            from rhodecode.lib.base import _get_ip_addr

            gitenv['RHODECODE_USER'] = self.username

            gitenv['RHODECODE_CONFIG_IP'] = _get_ip_addr(environ)

            # forget all configs

            gitenv['GIT_CONFIG_NOGLOBAL'] = '1'

            # we need current .ini file used to later initialize rhodecode

            # env and connect to db

            gitenv['RHODECODE_CONFIG_FILE'] = CONFIG['__file__']

            opts = dict(

            )

            out = subprocessio.SubprocessIOChunker(

                r'git %s --stateless-rpc "%s"' % (git_command[4:],

                                                  self.content_path),

                inputstream=inputstream,

                **opts

            )

        except EnvironmentError, e:

            log.exception(e)

            raise exc.HTTPExpectationFailed()

        if git_command in [u'git-receive-pack']: