:license: GPLv3, see LICENSE for more details.

"""

import logging

from pylons import tmpl_context as c

from kallithea.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from kallithea.lib.base import BaseRepoController, render

from kallithea.lib.compat import OrderedDict

from webob.exc import HTTPNotFound

log = logging.getLogger(__name__)

class BookmarksController(BaseRepoController):

    def __before__(self):

        super(BookmarksController, self).__before__()

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def index(self):

            raise HTTPNotFound()

        c.repo_bookmarks = OrderedDict()

        ordered_tags = sorted(bookmarks, key=lambda x: x[1].date, reverse=True)

        for name, cs_book in ordered_tags:

            c.repo_bookmarks[name] = cs_book

        return render('bookmarks/bookmarks.html')

from kallithea.lib.compat import OrderedDict

from kallithea.lib.utils2 import safe_unicode

log = logging.getLogger(__name__)

class BranchesController(BaseRepoController):

    def __before__(self):

        super(BranchesController, self).__before__()

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def index(self):

        def _branchtags(localrepo):

            bt_closed = {}

            for bn, heads in localrepo.branchmap().iteritems():

                tip = heads[-1]

                if 'close' in localrepo.changelog.read(tip)[5]:

                    bt_closed[bn] = tip

            return bt_closed

        c.repo_closed_branches = {}

        if c.db_repo.repo_type == 'hg':

            _closed_branches = [(safe_unicode(n), cs_g(binascii.hexlify(h)),)

                                for n, h in bt_closed.items()]

            c.repo_closed_branches = OrderedDict(sorted(_closed_branches,

                                                    key=lambda ctx: ctx[0],

                                                    reverse=False))

        _branches = [(safe_unicode(n), cs_g(h))

        c.repo_branches = OrderedDict(sorted(_branches,

                                             key=lambda ctx: ctx[0],

                                             reverse=False))

        return render('branches/branches.html')

from webob.exc import HTTPNotFound, HTTPBadRequest

import kallithea.lib.helpers as h

from kallithea.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from kallithea.lib.base import BaseRepoController, render

from kallithea.lib.helpers import RepoPage

from kallithea.lib.compat import json

from kallithea.lib.graphmod import _colored, _dagwalker

from kallithea.lib.vcs.exceptions import RepositoryError, ChangesetDoesNotExistError,\

    ChangesetError, NodeDoesNotExistError, EmptyRepositoryError

from kallithea.lib.utils2 import safe_int, safe_str

log = logging.getLogger(__name__)

def _load_changelog_summary():

    p = safe_int(request.GET.get('page'), 1)

    size = safe_int(request.GET.get('size'), 10)

    def url_generator(**kw):

        return url('changelog_summary_home',

                   repo_name=c.db_repo.repo_name, size=size, **kw)

    c.repo_changesets = RepoPage(collection, page=p,

                                 items_per_page=size,

                                 url=url_generator)

    page_revisions = [x.raw_id for x in list(c.repo_changesets)]

    c.comments = c.db_repo.get_comments(page_revisions)

    c.statuses = c.db_repo.statuses(page_revisions)

class ChangelogController(BaseRepoController):

    def __before__(self):

        super(ChangelogController, self).__before__()

        c.affected_files_cut_off = 60

    def __get_cs_or_redirect(self, rev, repo, redirect_after=True,

                             partial=False):

        """

        Safe way to get changeset if error occur it redirects to changeset with

        proper message. If partial is set then don't do redirect raise Exception

        instead

        :param rev: revision to fetch

        :param repo: repo instance

        """

        try:

        except EmptyRepositoryError, e:

            if not redirect_after:

                return None

            h.flash(h.literal(_('There are no changesets yet')),

                    category='warning')

            redirect(url('changelog_home', repo_name=repo.repo_name))

        except RepositoryError, e:

            log.error(traceback.format_exc())

            h.flash(safe_str(e), category='warning')

            if not partial:

                redirect(h.url('changelog_home', repo_name=repo.repo_name))

            raise HTTPBadRequest()

    def _graph(self, repo, revs_int, repo_size, size, p):

        """

        Generates a DAG graph for repo

        :param repo:

        :param revs_int:

        :param repo_size:

        :param size:

        :param p:

        """

        dag = _dagwalker(repo, revs, repo.alias)

        dag = _colored(dag)

        for (_id, _type, ctx, vtx, edges) in dag:

            data.append(['', vtx, edges])

        c.jsdata = json.dumps(data)

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def index(self, repo_name, revision=None, f_path=None):

        limit = 100

        default = 20

        if request.GET.get('size'):

            c.size = max(min(safe_int(request.GET.get('size')), limit), 1)

            session['changelog_size'] = c.size

            session.save()

        else:

            c.size = int(session.get('changelog_size', default))

        # min size must be 1

        c.size = max(c.size, 1)

        p = safe_int(request.GET.get('page', 1), 1)

        branch_name = request.GET.get('branch', None)

        if (branch_name and

            not revision):

            return redirect(url('changelog_file_home', repo_name=c.repo_name,

                                    revision=branch_name, f_path=f_path or ''))

        c.changelog_for_path = f_path

        try:

            if f_path:

                log.debug('generating changelog for path %s' % f_path)

                # get the history for the file !

                try:

                    collection = tip_cs.get_file_history(f_path)

                except (NodeDoesNotExistError, ChangesetError):

                    #this node is not present at tip !

                    try:

                        cs = self.__get_cs_or_redirect(revision, repo_name)

                        collection = cs.get_file_history(f_path)

                    except RepositoryError, e:

                        h.flash(safe_str(e), category='warning')

                        redirect(h.url('changelog_home', repo_name=repo_name))

                collection = list(reversed(collection))

            else:

                                                        branch_name=branch_name)

            c.total_cs = len(collection)

            c.pagination = RepoPage(collection, page=p, item_count=c.total_cs,

                                    items_per_page=c.size, branch=branch_name,)

            collection = list(c.pagination)

            page_revisions = [x.raw_id for x in c.pagination]

            c.comments = c.db_repo.get_comments(page_revisions)

            c.statuses = c.db_repo.statuses(page_revisions)

        except (EmptyRepositoryError), e:

            h.flash(safe_str(e), category='warning')

            return redirect(url('summary_home', repo_name=c.repo_name))

        except (RepositoryError, ChangesetDoesNotExistError, Exception), e:

            log.error(traceback.format_exc())

            h.flash(safe_str(e), category='error')

            return redirect(url('changelog_home', repo_name=c.repo_name))

        c.branch_name = branch_name

        c.branch_filters = [('', _('All Branches'))] + \

            prefix = _('(closed)') + ' '

            c.branch_filters += [('-', '-')] + \

        _revs = []

        if not f_path:

            _revs = [x.revision for x in c.pagination]

        return render('changelog/changelog.html')

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def changelog_details(self, cs):

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            return render('changelog/changelog_details.html')

        raise HTTPNotFound()

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def changelog_summary(self, repo_name):

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            _load_changelog_summary()

            return render('changelog/changelog_summary_data.html')

        raise HTTPNotFound()

class ChangesetController(BaseRepoController):

    def __before__(self):

        super(ChangesetController, self).__before__()

        c.affected_files_cut_off = 60

    def __load_data(self):

        repo_model = RepoModel()

        c.users_array = repo_model.get_users_js()

        c.user_groups_array = repo_model.get_user_groups_js()

    def _index(self, revision, method):

        c.anchor_url = anchor_url

        c.ignorews_url = _ignorews_url

        c.context_url = _context_url

        c.fulldiff = fulldiff = request.GET.get('fulldiff')

        #get ranges of revisions if preset

        rev_range = revision.split('...')[:2]

        enable_comments = True

        try:

            if len(rev_range) == 2:

                enable_comments = False

                rev_start = rev_range[0]

                rev_end = rev_range[1]

                                                             end=rev_end)

            else:

            c.cs_ranges = list(rev_ranges)

            if not c.cs_ranges:

                raise RepositoryError('Changeset range returned empty result')

        except(ChangesetDoesNotExistError,), e:

            log.error(traceback.format_exc())

            msg = _('Such revision does not exist for this repository')

            h.flash(msg, category='error')

            raise HTTPNotFound()

        except (Exception,), e:

            log.error(traceback.format_exc())

            raise HTTPNotFound()

        c.changes = OrderedDict()

        c.lines_added = 0  # count of lines added

        c.lines_deleted = 0  # count of lines removes

        c.changeset_statuses = ChangesetStatus.STATUSES

        c.comments = []

        c.statuses = []

        c.inline_comments = []

        c.inline_cnt = 0

                #comments from PR

                st = ChangesetStatusModel().get_statuses(

                            c.db_repo.repo_id, changeset.raw_id,

                            with_revisions=True)

                # from associated statuses, check the pull requests, and

                # show comments from them

                prs = set([x.pull_request for x in

                           filter(lambda x: x.pull_request is not None, st)])

                for pr in prs:

                    c.comments.extend(pr.comments)

                inlines = ChangesetCommentsModel()\

                            .get_inline_comments(c.db_repo.repo_id,

                                                 revision=changeset.raw_id)

                c.inline_comments.extend(inlines)

            c.changes[changeset.raw_id] = []

            cs2 = changeset.raw_id

            cs1 = changeset.parents[0].raw_id if changeset.parents else EmptyChangeset().raw_id

            context_lcl = get_line_ctx('', request.GET)

            ign_whitespace_lcl = ign_whitespace_lcl = get_ignore_ws('', request.GET)

                ignore_whitespace=ign_whitespace_lcl, context=context_lcl)

            diff_limit = self.cut_off_limit if not fulldiff else None

            diff_processor = diffs.DiffProcessor(_diff,

                                                 format='gitdiff',

                                                 diff_limit=diff_limit)

            cs_changes = OrderedDict()

            if method == 'show':

                _parsed = diff_processor.prepare()

                c.limited_diff = False

                if isinstance(_parsed, LimitedDiffContainer):

                    c.limited_diff = True

                for f in _parsed:

                    st = f['stats']

                    c.lines_added += st['added']

                    c.lines_deleted += st['deleted']

                    fid = h.FID(changeset.raw_id, f['filename'])

                    diff = diff_processor.as_html(enable_comments=enable_comments,

                                                  parsed_lines=[f])

                    cs_changes[fid] = [cs1, cs2, f['operation'], f['filename'],

                                       diff, st]

            else:

                # downloads/raw we only need RAW diff nothing else

                diff = diff_processor.as_raw()

                cs_changes[''] = [None, None, None, None, diff, None]

            c.changes[changeset.raw_id] = cs_changes

        #sort comments by how they were generated

    @LoginRequired()

    @NotAnonymous()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    @jsonify

    def delete_comment(self, repo_name, comment_id):

        co = ChangesetComment.get(comment_id)

        owner = co.author.user_id == c.rhodecode_user.user_id

        repo_admin = h.HasRepoPermissionAny('repository.admin')

        if h.HasPermissionAny('hg.admin')() or repo_admin or owner:

            ChangesetCommentsModel().delete(comment=co)

            Session().commit()

            return True

        else:

            raise HTTPForbidden()

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    @jsonify

    def changeset_info(self, repo_name, revision):

        if request.is_xhr:

            try:

            except ChangesetDoesNotExistError, e:

                return EmptyChangeset(message=str(e))

        else:

            raise HTTPBadRequest()

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    @jsonify

    def changeset_children(self, repo_name, revision):

        if request.is_xhr:

            result = {"results": []}

            if changeset.children:

                result = {"results": changeset.children}

            return result

        else:

            raise HTTPBadRequest()

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    @jsonify

    def changeset_parents(self, repo_name, revision):

        if request.is_xhr:

            result = {"results": []}

            if changeset.parents:

                result = {"results": changeset.parents}

            return result

        else:

            raise HTTPBadRequest()

        diff_processor = DiffProcessor(cs.diff(),

                                       diff_limit=self.feed_diff_limit)

        _parsed = diff_processor.prepare(inline_diff=False)

        limited_diff = False

        if isinstance(_parsed, LimitedDiffContainer):

            limited_diff = True

        for st in _parsed:

            st.update({'added': st['stats']['added'],

                       'removed': st['stats']['deleted']})

            changes.append('\n %(operation)s %(filename)s '

                           '(%(added)s lines added, %(removed)s lines removed)'

                            % st)

        if limited_diff:

            changes = changes + ['\n ' +

                                 _('Changeset was too big and was cut off...')]

        return diff_processor, changes

    def __get_desc(self, cs):

        desc_msg = [(_('%s committed on %s')

                     % (h.person(cs.author), h.fmt_date(cs.date))) + '<br/>']

        #branches, tags, bookmarks

        if cs.branch:

            desc_msg.append('branch: %s<br/>' % cs.branch)

            for book in cs.bookmarks:

                desc_msg.append('bookmark: %s<br/>' % book)

        for tag in cs.tags:

            desc_msg.append('tag: %s<br/>' % tag)

        diff_processor, changes = self.__changes(cs)

        # rev link

        _url = url('changeset_home', repo_name=c.db_repo.repo_name,

                   revision=cs.raw_id, qualified=True)

        desc_msg.append('changeset: <a href="%s">%s</a>' % (_url, cs.raw_id[:8]))

        desc_msg.append('<pre>')

        desc_msg.append(cs.message)

        desc_msg.append('\n')

        desc_msg.extend(changes)

        if self.include_diff:

            desc_msg.append('\n\n')

            desc_msg.append(diff_processor.as_raw())

        desc_msg.append('</pre>')

        return map(safe_unicode, desc_msg)

    def atom(self, repo_name):

        """Produce an atom-1.0 feed via feedgenerator module"""

        @cache_region('long_term')

        def _get_feed_from_cache(key, kind):

            feed = Atom1Feed(

                 title=self.title % repo_name,

                 link=url('summary_home', repo_name=repo_name,

                          qualified=True),

                 description=self.description % repo_name,

                 language=self.language,

                 ttl=self.ttl

            )

                feed.add_item(title=self._get_title(cs),

                              link=url('changeset_home', repo_name=repo_name,

                                       revision=cs.raw_id, qualified=True),

                              author_name=cs.author,

                              description=''.join(self.__get_desc(cs)),

                              pubdate=cs.date,

                              )

            response.content_type = feed.mime_type

            return feed.writeString('utf-8')

        kind = 'ATOM'

        valid = CacheInvalidation.test_and_set_valid(repo_name, kind)

        if not valid:

            region_invalidate(_get_feed_from_cache, None, repo_name, kind)

        return _get_feed_from_cache(repo_name, kind)

    def rss(self, repo_name):

        """Produce an rss2 feed via feedgenerator module"""

        @cache_region('long_term')

        def _get_feed_from_cache(key, kind):

            feed = Rss201rev2Feed(

                title=self.title % repo_name,

                link=url('summary_home', repo_name=repo_name,

                         qualified=True),

                description=self.description % repo_name,

                language=self.language,

                ttl=self.ttl

            )

                feed.add_item(title=self._get_title(cs),

                              link=url('changeset_home', repo_name=repo_name,

                                       revision=cs.raw_id, qualified=True),

                              author_name=cs.author,

                              description=''.join(self.__get_desc(cs)),

                              pubdate=cs.date,

                             )

            response.content_type = feed.mime_type

            return feed.writeString('utf-8')

        kind = 'RSS'

        valid = CacheInvalidation.test_and_set_valid(repo_name, kind)

        if not valid:

            region_invalidate(_get_feed_from_cache, None, repo_name, kind)

        return _get_feed_from_cache(repo_name, kind)

    _context_url, get_line_ctx, get_ignore_ws

from webob.exc import HTTPNotFound

from kallithea.lib.exceptions import NonRelativePathError, IMCCommitError

log = logging.getLogger(__name__)

class FilesController(BaseRepoController):

    def __before__(self):

        super(FilesController, self).__before__()

        c.cut_off_limit = self.cut_off_limit

    def __get_cs_or_redirect(self, rev, repo_name, redirect_after=True):

        """

        Safe way to get changeset if error occur it redirects to tip with

        proper message

        :param rev: revision to fetch

        :param repo_name: repo name to redirect after

        """

        try:

        except EmptyRepositoryError, e:

            if not redirect_after:

                return None

            url_ = url('files_add_home',

                       repo_name=c.repo_name,

                       revision=0, f_path='', anchor='edit')

            add_new = h.link_to(_('Click here to add new file'), url_, class_="alert-link")

            h.flash(h.literal(_('There are no files yet. %s') % add_new),

                    category='warning')

            redirect(h.url('summary_home', repo_name=repo_name))

        except(ChangesetDoesNotExistError, LookupError), e:

            log.error(traceback.format_exc())

            msg = _('Such revision does not exist for this repository')

            h.flash(msg, category='error')

            raise HTTPNotFound()

        except RepositoryError, e:

            h.flash(safe_str(e), category='error')

            raise HTTPNotFound()

    def __get_filenode_or_redirect(self, repo_name, cs, path):

        """

        Returns file_node, if error occurs or given path is directory,

        it'll redirect to top level path

        except RepositoryError, e:

            h.flash(safe_str(e), category='error')

            raise HTTPNotFound()

        return file_node

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def index(self, repo_name, revision, f_path, annotate=False):

        # redirect to given revision from form if given

        post_revision = request.POST.get('at_rev', None)

        if post_revision:

            cs = self.__get_cs_or_redirect(post_revision, repo_name)

        c.changeset = self.__get_cs_or_redirect(revision, repo_name)

        c.branch = request.GET.get('branch', None)

        c.f_path = f_path

        c.annotate = annotate

        c.changeset = self.__get_cs_or_redirect(revision, repo_name)

        cur_rev = c.changeset.revision

        # prev link

        try:

            c.url_prev = url('files_home', repo_name=c.repo_name,

                         revision=prev_rev.raw_id, f_path=f_path)

            if c.branch:

                c.url_prev += '?branch=%s' % c.branch

        except (ChangesetDoesNotExistError, VCSError):

            c.url_prev = '#'

        # next link

        try:

            c.url_next = url('files_home', repo_name=c.repo_name,

                     revision=next_rev.raw_id, f_path=f_path)

            if c.branch:

                c.url_next += '?branch=%s' % c.branch

        except (ChangesetDoesNotExistError, VCSError):

            c.url_next = '#'

        # files or dirs

        try:

            c.file = c.changeset.get_node(f_path)

            if c.file.is_file():

                c.load_full_history = False

                file_last_cs = c.file.last_changeset

                c.file_changeset = (c.changeset

                                    if c.changeset.revision < file_last_cs.revision

                                    else file_last_cs)

                #determine if we're on branch head

                c.on_branch_head = revision in _branches.keys() + _branches.values()

                _hist = []

                c.file_history = []

                if c.load_full_history:

                    c.file_history, _hist = self._get_node_history(c.changeset, f_path)

                c.authors = []

                for a in set([x.author for x in _hist]):

                    c.authors.append((h.email(a), h.person(a)))

            else:

                c.authors = c.file_history = []

        except RepositoryError, e:

            h.flash(safe_str(e), category='error')

            raise HTTPNotFound()

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            return render('files/files_ypjax.html')

        return render('files/files.html')

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    @jsonify

        if c.file.is_binary:

            return redirect(url('files_home', repo_name=c.repo_name,

                            revision=c.cs.raw_id, f_path=f_path))

        c.default_message = _('Edited file %s via RhodeCode') % (f_path)

        c.f_path = f_path

        if r_post:

            old_content = c.file.content

            sl = old_content.splitlines(1)

            first_line = sl[0] if sl else ''

            # modes:  0 - Unix, 1 - Mac, 2 - DOS

            mode = detect_mode(first_line, 0)

            content = convert_line_endings(r_post.get('content', ''), mode)

            message = r_post.get('message') or c.default_message

            author = self.rhodecode_user.full_contact

            if content == old_content:

                h.flash(_('No changes'), category='warning')

                return redirect(url('changeset_home', repo_name=c.repo_name,

                                    revision='tip'))

            try:

                                             repo_name=repo_name, cs=c.cs,

                                             user=self.rhodecode_user.user_id,

                                             author=author, message=message,

                                             content=content, f_path=f_path)

                h.flash(_('Successfully committed to %s') % f_path,

                        category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during commit'), category='error')

            return redirect(url('changeset_home',

                                repo_name=c.repo_name, revision='tip'))

        return render('files/files_edit.html')

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')

    def add(self, repo_name, revision, f_path):

        repo = Repository.get_by_repo_name(repo_name)

        if repo.enable_locking and repo.locked[0]:

            h.flash(_('This repository is has been locked by %s on %s')

                % (h.person_by_id(repo.locked[0]),

                   h.fmt_date(h.time_to_datetime(repo.locked[1]))),

                  'warning')

            return redirect(h.url('files_home',

                                  repo_name=repo_name, revision='tip'))

        r_post = request.POST

        c.cs = self.__get_cs_or_redirect(revision, repo_name,

                                         redirect_after=False)

        if c.cs is None:

        c.default_message = (_('Added file via RhodeCode'))

        c.f_path = f_path

        if r_post:

            unix_mode = 0

            content = convert_line_endings(r_post.get('content', ''), unix_mode)

            message = r_post.get('message') or c.default_message

            filename = r_post.get('filename')

            location = r_post.get('location', '')

            file_obj = r_post.get('upload_file', None)

            if file_obj is not None and hasattr(file_obj, 'filename'):

                filename = file_obj.filename

                content = file_obj.file

                if hasattr(content, 'file'):

                    # non posix systems store real file under file attr

                    content = content.file

            if not content:

                h.flash(_('No content'), category='warning')

                return redirect(url('changeset_home', repo_name=c.repo_name,

                                    revision='tip'))

        return render('files/files_add.html')

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def archivefile(self, repo_name, fname):

        fileformat = None

        revision = None

        ext = None

        subrepos = request.GET.get('subrepos') == 'true'

        for a_type, ext_data in settings.ARCHIVE_SPECS.items():

            archive_spec = fname.split(ext_data[1])

            if len(archive_spec) == 2 and archive_spec[1] == '':

                fileformat = a_type or ext_data[1]

                revision = archive_spec[0]

                ext = ext_data[1]

        try:

            dbrepo = RepoModel().get_by_repo_name(repo_name)

            if not dbrepo.enable_downloads:

                return _('Downloads disabled')

                # patch and reset hooks section of UI config to not run any

                # hooks on fetching archives with subrepos

            content_type = settings.ARCHIVE_SPECS[fileformat][0]

        except ChangesetDoesNotExistError:

            return _('Unknown revision %s') % revision

        except EmptyRepositoryError:

            return _('Empty repository')

        except (ImproperArchiveTypeError, KeyError):

            return _('Unknown archive type')

        # archive cache

        from kallithea import CONFIG

        rev_name = cs.raw_id[:12]

        archive_name = '%s-%s%s' % (safe_str(repo_name.replace('/', '_')),

                                    safe_str(rev_name), ext)

        use_cached_archive = False  # defines if we use cached version of archive

        archive_cache_enabled = CONFIG.get('archive_cache_dir')

        if not subrepos and archive_cache_enabled:

            #check if we it's ok to write

            if not os.path.isdir(CONFIG['archive_cache_dir']):

                os.makedirs(CONFIG['archive_cache_dir'])

            cached_archive_path = os.path.join(CONFIG['archive_cache_dir'], archive_name)

            if os.path.isfile(cached_archive_path):

                log.debug('Found cached archive in %s' % cached_archive_path)

                fd, archive = None, cached_archive_path

                use_cached_archive = True

        c.action = request.GET.get('diff')

        c.no_changes = diff1 == diff2

        c.f_path = f_path

        c.big_diff = False

        c.anchor_url = anchor_url

        c.ignorews_url = _ignorews_url

        c.context_url = _context_url