"""

    ssh_enabled = kallithea.CONFIG.get('ssh_enabled', False)

    if not str2bool(ssh_enabled):

        sys.stderr.write("SSH access is disabled.\n")

        return sys.exit(1)

    ssh_locale = kallithea.CONFIG.get('ssh_locale')

    if ssh_locale:

        os.environ['LC_ALL'] = ssh_locale # trumps everything, including LANG, except LANGUAGE

        os.environ['LANGUAGE'] = ssh_locale # trumps LC_ALL for GNU gettext message handling

    ssh_original_command = os.environ.get('SSH_ORIGINAL_COMMAND', '')

    client_ip = connection.group(1) if connection else '0.0.0.0'

    log.debug('ssh-serve was invoked for SSH command %r from %s', ssh_original_command, client_ip)

    if not ssh_original_command:

        if os.environ.get('SSH_CONNECTION'):

            sys.stderr.write("'kallithea-cli ssh-serve' can only provide protocol access over SSH. Interactive SSH login for this user is disabled.\n")

        else:

            sys.stderr.write("'kallithea-cli ssh-serve' cannot be called directly. It must be specified as command in an SSH authorized_keys file.\n")

        return sys.exit(1)

    try:

        ssh_command_parts = shlex.split(ssh_original_command)

                  action="show", conditions=dict(method=["GET"]))

        m.connect("formatted_gist", "/gists/{gist_id}/{revision}/{format}",

                  revision="tip",

                  action="show", conditions=dict(method=["GET"]))

        m.connect("formatted_gist_file", "/gists/{gist_id}/{revision}/{format}/{f_path:.*}",

                  revision='tip',

                  action="show", conditions=dict(method=["GET"]))

    # ADMIN MAIN PAGES

    with rmap.submapper(path_prefix=ADMIN_PREFIX,

                        controller='admin/admin') as m:

        m.connect('admin_home', '', action='index')

                  action='add_repo')

    #==========================================================================

    # API V2

    #==========================================================================

    with rmap.submapper(path_prefix=ADMIN_PREFIX, controller='api/api',

                        action='_dispatch') as m:

        m.connect('api', '/api')

    # USER JOURNAL

    rmap.connect('journal', '%s/journal' % ADMIN_PREFIX,

                 controller='journal', action='index')

    rmap.connect('journal_rss', '%s/journal/rss' % ADMIN_PREFIX,

                "validator": self.validators.UnicodeString(strip=True),

                "type": "string",

                "description": "PAM service name to use for authentication",

                "default": "login",

                "formname": "PAM service name"

            },

            {

                "name": "gecos",

                "validator": self.validators.UnicodeString(strip=True),

                "type": "string",

                "description": "Regex for extracting user name/email etc "

                               "from Unix userinfo",

                "formname": "Gecos Regex"

            }

        ]

        return settings

    def use_fake_password(self):

        return True

    def auth(self, userobj, username, password, settings, **kwargs):

        if not username:

            log.debug('Empty username - skipping...')

            return None

from kallithea.lib import helpers as h

from kallithea.lib.utils2 import safe_unicode

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

from kallithea.lib.vcs.exceptions import VCSError

from kallithea.lib.vcs.nodes import FileNode, SubModuleNode

log = logging.getLogger(__name__)

def _safe_id(idstring):

    The HTML spec says that id attributes 'must begin with

    a letter ([A-Za-z]) and may be followed by any number

    of letters, digits ([0-9]), hyphens ("-"), underscores

    ("_"), colons (":"), and periods (".")'. These regexps

    are slightly over-zealous, in that they remove colons

    and periods unnecessarily.

    Whitespace is transformed into underscores, and then

    anything which is not a hyphen or a character that

    matches \w (alphanumerics and underscore) is removed.

                 'url': url('changeset_home', repo_name=repo_name, revision=hash_),

                 'hash': hash_,

                }

        bold = match_obj.group('bold')

        if bold is not None:

            return '<b>*%s*</b>' % _urlify(bold[1:-1])

        if stylize:

            seen = match_obj.group('seen')

            if seen:

                return '<div class="label label-meta" data-tag="see">see =&gt; %s</div>' % seen

            license = match_obj.group('license')

            if license:

            tagtype = match_obj.group('tagtype')

            if tagtype:

                tagvalue = match_obj.group('tagvalue')

                return '<div class="label label-meta" data-tag="%s">%s =&gt; <a href="/%s">%s</a></div>' % (tagtype, tagtype, tagvalue, tagvalue)

            lang = match_obj.group('lang')

            if lang:

                return '<div class="label label-meta" data-tag="lang">%s</div>' % lang

            tag = match_obj.group('tag')

            if tag:

                return '<div class="label label-meta" data-tag="%s">%s</div>' % (tag, tag)

        return match_obj.group(0)

        def pre_extraction_callback(matchobj):

            digest = md5(matchobj.group(0)).hexdigest()

            extractions[digest] = matchobj.group(0)

            return "{gfm-extraction-%s}" % digest

        pattern = re.compile(r'<pre>.*?</pre>', re.MULTILINE | re.DOTALL)

        text = re.sub(pattern, pre_extraction_callback, text)

        # Prevent foo_bar_baz from ending up with an italic word in the middle.

        def italic_callback(matchobj):

            s = matchobj.group(0)

            if list(s).count('_') >= 2:

            return s

        text = re.sub(r'^(?! {4}|\t)\w+_\w+_\w[\w_]*', italic_callback, text)

        # In very clear cases, let newlines become <br /> tags.

        def newline_callback(matchobj):

            if len(matchobj.group(1)) == 1:

                return matchobj.group(0).rstrip() + '  \n'

            else:

                return matchobj.group(0)

        pattern = re.compile(r'^[\w\<][^\n]*(\n+)', re.MULTILINE)

        text = re.sub(pattern, newline_callback, text)

            log.error(traceback.format_exc())

            if safe:

                log.debug('Falling back to render in plain mode')

                return cls.plain(source)

            else:

                raise

    @classmethod

    def rst_with_mentions(cls, source):

        def wrapp(match_obj):

            uname = match_obj.groups()[0]

        mention_hl = MENTIONS_REGEX.sub(wrapp, source).strip()

        return cls.rst(mention_hl)

                                                        'utf-8'), sep=',')

def set_indexer_config(config):

    """

    Update Whoosh index mapping

    :param config: kallithea.CONFIG

    """

    from kallithea.config import conf

    log.debug('adding extra into INDEX_EXTENSIONS')

    log.debug('adding extra into INDEX_FILENAMES')

def map_groups(path):

    """

    Given a full path to a repository, create all nested groups that this

    repo is inside. This function creates parent-child relationships between

    groups and creates default perms for all new groups.

    :param paths: full path to repository

    """

    sa = meta.Session()

    groups = path.split(Repository.url_sep())

    """

    from kallithea import BACKENDS

    from kallithea.lib.vcs.backends.git.repository import GitRepository

    from kallithea.lib.vcs.conf import settings

    from distutils.version import StrictVersion

    if 'git' not in BACKENDS:

        return None

    stdout, stderr = GitRepository._run_git_command(['--version'], _bare=True,

                                                    _safe=True)

    if m:

        ver = StrictVersion(m.group(0))

    else:

        ver = StrictVersion('0.0.0')

    req_ver = StrictVersion('1.7.4')

    log.debug('Git executable: "%s" version %s detected: %s',

              settings.GIT_EXECUTABLE_PATH, ver, stdout)

    if stderr:

        log.warning('Error detecting git version: %r', stderr)

    elif ver < req_ver:

def repo_name_slug(value):

    """

    Return slug of name of repository

    This function is called on each creation/modification

    of repository to prevent bad names in repo

    """

    slug = remove_formatting(value)

    slug = strip_tags(slug)

        slug = slug.replace(c, '-')

    slug = recursive_replace(slug, '-')

    slug = collapse(slug, '-')

    return slug

def ask_ok(prompt, retries=4, complaint='Yes or no please!'):

    while True:

        ok = raw_input(prompt)

        if ok in ('y', 'ye', 'yes'):

            return True

        if ok in ('n', 'no', 'nop', 'nope'):