hgweb: handle exception of misconfigured path on index page

If hgweb.config contains wrong path mapping, hgweb causes internal server
error on repository index page.

This patch changes makeindex() to ignore RepoError, because it looks to be
designed to suppress configuration error.

mercurial/hgweb/hgwebdir_mod.py

@@ -1,352 +1,356 b''
 # hgweb/hgwebdir_mod.py - Web interface for a directory of repositories.
 #
 # Copyright 21 May 2005 - (c) 2005 Jake Edge <[e-mail]>
 # Copyright 2005, 2006 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 import os, re, time, urlparse
 from mercurial.i18n import _
 from mercurial import ui, hg, util, templater
 from mercurial import error, encoding
 from common import ErrorResponse, get_mtime, staticfile, paritygen, \
                    get_contact, HTTP_OK, HTTP_NOT_FOUND, HTTP_SERVER_ERROR
 from hgweb_mod import hgweb
 from request import wsgirequest
 import webutil
 
 def cleannames(items):
     return [(util.pconvert(name).strip('/'), path) for name, path in items]
 
 def findrepos(paths):
     repos = []
     for prefix, root in cleannames(paths):
         roothead, roottail = os.path.split(root)
         # "foo = /bar/*" makes every subrepo of /bar/ to be
         # mounted as foo/subrepo
         # and "foo = /bar/**" also recurses into the subdirectories,
         # remember to use it without working dir.
         try:
             recurse = {'*': False, '**': True}[roottail]
         except KeyError:
             repos.append((prefix, root))
             continue
         roothead = os.path.normpath(os.path.abspath(roothead))
         for path in util.walkrepos(roothead, followsym=True, recurse=recurse):
             path = os.path.normpath(path)
             name = util.pconvert(path[len(roothead):]).strip('/')
             if prefix:
                 name = prefix + '/' + name
             repos.append((name, path))
     return repos
 
 class hgwebdir(object):
     refreshinterval = 20
 
     def __init__(self, conf, baseui=None):
         self.conf = conf
         self.baseui = baseui
         self.lastrefresh = 0
         self.motd = None
         self.refresh()
 
     def refresh(self):
         if self.lastrefresh + self.refreshinterval > time.time():
             return
 
         if self.baseui:
             u = self.baseui.copy()
         else:
             u = ui.ui()
             u.setconfig('ui', 'report_untrusted', 'off')
             u.setconfig('ui', 'interactive', 'off')
 
         if not isinstance(self.conf, (dict, list, tuple)):
             map = {'paths': 'hgweb-paths'}
             u.readconfig(self.conf, remap=map, trust=True)
             paths = u.configitems('hgweb-paths')
         elif isinstance(self.conf, (list, tuple)):
             paths = self.conf
         elif isinstance(self.conf, dict):
             paths = self.conf.items()
 
         repos = findrepos(paths)
         for prefix, root in u.configitems('collections'):
             prefix = util.pconvert(prefix)
             for path in util.walkrepos(root, followsym=True):
                 repo = os.path.normpath(path)
                 name = util.pconvert(repo)
                 if name.startswith(prefix):
                     name = name[len(prefix):]
                 repos.append((name.lstrip('/'), repo))
 
         self.repos = repos
         self.ui = u
         encoding.encoding = self.ui.config('web', 'encoding',
                                            encoding.encoding)
         self.style = self.ui.config('web', 'style', 'paper')
         self.templatepath = self.ui.config('web', 'templates', None)
         self.stripecount = self.ui.config('web', 'stripes', 1)
         if self.stripecount:
             self.stripecount = int(self.stripecount)
         self._baseurl = self.ui.config('web', 'baseurl')
         self.lastrefresh = time.time()
 
     def run(self):
         if not os.environ.get('GATEWAY_INTERFACE', '').startswith("CGI/1."):
             raise RuntimeError("This function is only intended to be "
                                "called while running as a CGI script.")
         import mercurial.hgweb.wsgicgi as wsgicgi
         wsgicgi.launch(self)
 
     def __call__(self, env, respond):
         req = wsgirequest(env, respond)
         return self.run_wsgi(req)
 
     def read_allowed(self, ui, req):
         """Check allow_read and deny_read config options of a repo's ui object
         to determine user permissions.  By default, with neither option set (or
         both empty), allow all users to read the repo.  There are two ways a
         user can be denied read access:  (1) deny_read is not empty, and the
         user is unauthenticated or deny_read contains user (or *), and (2)
         allow_read is not empty and the user is not in allow_read.  Return True
         if user is allowed to read the repo, else return False."""
 
         user = req.env.get('REMOTE_USER')
 
         deny_read = ui.configlist('web', 'deny_read', untrusted=True)
         if deny_read and (not user or deny_read == ['*'] or user in deny_read):
             return False
 
         allow_read = ui.configlist('web', 'allow_read', untrusted=True)
         # by default, allow reading if no allow_read option has been set
         if (not allow_read) or (allow_read == ['*']) or (user in allow_read):
             return True
 
         return False
 
     def run_wsgi(self, req):
         try:
             try:
                 self.refresh()
 
                 virtual = req.env.get("PATH_INFO", "").strip('/')
                 tmpl = self.templater(req)
                 ctype = tmpl('mimetype', encoding=encoding.encoding)
                 ctype = templater.stringify(ctype)
 
                 # a static file
                 if virtual.startswith('static/') or 'static' in req.form:
                     if virtual.startswith('static/'):
                         fname = virtual[7:]
                     else:
                         fname = req.form['static'][0]
                     static = templater.templatepath('static')
                     return (staticfile(static, fname, req),)
 
                 # top-level index
                 elif not virtual:
                     req.respond(HTTP_OK, ctype)
                     return self.makeindex(req, tmpl)
 
                 # nested indexes and hgwebs
 
                 repos = dict(self.repos)
                 while virtual:
                     real = repos.get(virtual)
                     if real:
                         req.env['REPO_NAME'] = virtual
                         try:
                             repo = hg.repository(self.ui, real)
                             return hgweb(repo).run_wsgi(req)
                         except IOError, inst:
                             msg = inst.strerror
                             raise ErrorResponse(HTTP_SERVER_ERROR, msg)
                         except error.RepoError, inst:
                             raise ErrorResponse(HTTP_SERVER_ERROR, str(inst))
 
                     # browse subdirectories
                     subdir = virtual + '/'
                     if [r for r in repos if r.startswith(subdir)]:
                         req.respond(HTTP_OK, ctype)
                         return self.makeindex(req, tmpl, subdir)
 
                     up = virtual.rfind('/')
                     if up < 0:
                         break
                     virtual = virtual[:up]
 
                 # prefixes not found
                 req.respond(HTTP_NOT_FOUND, ctype)
                 return tmpl("notfound", repo=virtual)
 
             except ErrorResponse, err:
                 req.respond(err, ctype)
                 return tmpl('error', error=err.message or '')
         finally:
             tmpl = None
 
     def makeindex(self, req, tmpl, subdir=""):
 
         def archivelist(ui, nodeid, url):
             allowed = ui.configlist("web", "allow_archive", untrusted=True)
             for i in [('zip', '.zip'), ('gz', '.tar.gz'), ('bz2', '.tar.bz2')]:
                 if i[0] in allowed or ui.configbool("web", "allow" + i[0],
                                                     untrusted=True):
                     yield {"type" : i[0], "extension": i[1],
                            "node": nodeid, "url": url}
 
         def rawentries(subdir="", **map):
 
             descend = self.ui.configbool('web', 'descend', True)
             for name, path in self.repos:
 
                 if not name.startswith(subdir):
                     continue
                 name = name[len(subdir):]
                 if not descend and '/' in name:
                     continue
 
                 u = self.ui.copy()
                 try:
                     u.readconfig(os.path.join(path, '.hg', 'hgrc'))
                 except Exception, e:
                     u.warn(_('error reading %s/.hg/hgrc: %s\n') % (path, e))
                     continue
                 def get(section, name, default=None):
                     return u.config(section, name, default, untrusted=True)
 
                 if u.configbool("web", "hidden", untrusted=True):
                     continue
 
                 if not self.read_allowed(u, req):
                     continue
 
                 parts = [name]
                 if 'PATH_INFO' in req.env:
                     parts.insert(0, req.env['PATH_INFO'].rstrip('/'))
                 if req.env['SCRIPT_NAME']:
                     parts.insert(0, req.env['SCRIPT_NAME'])
                 url = re.sub(r'/+', '/', '/'.join(parts) + '/')
 
                 # update time with local timezone
                 try:
                     r = hg.repository(self.ui, path)
+                except error.RepoError:
+                    u.warn(_('error accessing repository at %s\n') % path)
+                    continue
+                try:
                     d = (get_mtime(r.spath), util.makedate()[1])
                 except OSError:
                     continue
 
                 contact = get_contact(get)
                 description = get("web", "description", "")
                 name = get("web", "name", name)
                 row = dict(contact=contact or "unknown",
                            contact_sort=contact.upper() or "unknown",
                            name=name,
                            name_sort=name,
                            url=url,
                            description=description or "unknown",
                            description_sort=description.upper() or "unknown",
                            lastchange=d,
                            lastchange_sort=d[1]-d[0],
                            archives=archivelist(u, "tip", url))
                 yield row
 
         sortdefault = None, False
         def entries(sortcolumn="", descending=False, subdir="", **map):
             rows = rawentries(subdir=subdir, **map)
 
             if sortcolumn and sortdefault != (sortcolumn, descending):
                 sortkey = '%s_sort' % sortcolumn
                 rows = sorted(rows, key=lambda x: x[sortkey],
                               reverse=descending)
             for row, parity in zip(rows, paritygen(self.stripecount)):
                 row['parity'] = parity
                 yield row
 
         self.refresh()
         sortable = ["name", "description", "contact", "lastchange"]
         sortcolumn, descending = sortdefault
         if 'sort' in req.form:
             sortcolumn = req.form['sort'][0]
             descending = sortcolumn.startswith('-')
             if descending:
                 sortcolumn = sortcolumn[1:]
             if sortcolumn not in sortable:
                 sortcolumn = ""
 
         sort = [("sort_%s" % column,
                  "%s%s" % ((not descending and column == sortcolumn)
                             and "-" or "", column))
                 for column in sortable]
 
         self.refresh()
         self.updatereqenv(req.env)
 
         return tmpl("index", entries=entries, subdir=subdir,
                     sortcolumn=sortcolumn, descending=descending,
                     **dict(sort))
 
     def templater(self, req):
 
         def header(**map):
             yield tmpl('header', encoding=encoding.encoding, **map)
 
         def footer(**map):
             yield tmpl("footer", **map)
 
         def motd(**map):
             if self.motd is not None:
                 yield self.motd
             else:
                 yield config('web', 'motd', '')
 
         def config(section, name, default=None, untrusted=True):
             return self.ui.config(section, name, default, untrusted)
 
         self.updatereqenv(req.env)
 
         url = req.env.get('SCRIPT_NAME', '')
         if not url.endswith('/'):
             url += '/'
 
         vars = {}
         styles = (
             req.form.get('style', [None])[0],
             config('web', 'style'),
             'paper'
         )
         style, mapfile = templater.stylemap(styles, self.templatepath)
         if style == styles[0]:
             vars['style'] = style
 
         start = url[-1] == '?' and '&' or '?'
         sessionvars = webutil.sessionvars(vars, start)
         staticurl = config('web', 'staticurl') or url + 'static/'
         if not staticurl.endswith('/'):
             staticurl += '/'
 
         tmpl = templater.templater(mapfile,
                                    defaults={"header": header,
                                              "footer": footer,
                                              "motd": motd,
                                              "url": url,
                                              "staticurl": staticurl,
                                              "sessionvars": sessionvars})
         return tmpl
 
     def updatereqenv(self, env):
         def splitnetloc(netloc):
             if ':' in netloc:
                 return netloc.split(':', 1)
             else:
                 return (netloc, None)
 
         if self._baseurl is not None:
             urlcomp = urlparse.urlparse(self._baseurl)
             host, port = splitnetloc(urlcomp[1])
             path = urlcomp[2]
             env['SERVER_NAME'] = host
             if port:
                 env['SERVER_PORT'] = port
             env['SCRIPT_NAME'] = path

tests/test-hgwebdir

@@ -1,163 +1,181 b''
 #!/bin/sh
 # Tests some basic hgwebdir functionality. Tests setting up paths and
 # collection, different forms of 404s and the subdirectory support.
 
 mkdir webdir
 cd webdir
 
 hg init a
 echo a > a/a
 hg --cwd a ci -Ama -d'1 0'
 # create a mercurial queue repository
 hg --cwd a qinit --config extensions.hgext.mq= -c
 
 hg init b
 echo b > b/b
 hg --cwd b ci -Amb -d'2 0'
 
 # create a nested repository
 cd b
 hg init d
 echo d > d/d
 hg --cwd d ci -Amd -d'3 0'
 cd ..
 
 hg init c
 echo c > c/c
 hg --cwd c ci -Amc -d'3 0'
 
+# create repository without .hg/store
+hg init nostore
+rm -R nostore/.hg/store
+
 root=`pwd`
 cd ..
 
 
 cat > paths.conf <<EOF
 [paths]
 a=$root/a
 b=$root/b
 EOF
 
 hg serve -p $HGPORT -d --pid-file=hg.pid --webdir-conf paths.conf \
     -A access-paths.log -E error-paths-1.log
 cat hg.pid >> $DAEMON_PIDS
 
 echo % should give a 404 - file does not exist
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/a/file/tip/bork?style=raw'
 
 echo % should succeed
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/a/file/tip/a?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/b/file/tip/b?style=raw'
 
 echo % should give a 404 - repo is not published
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/c/file/tip/c?style=raw'
 
 echo % atom-log without basedir
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/a/atom-log' \
     | grep '<link' | sed 's|//[.a-zA-Z0-9_-]*:[0-9][0-9]*/|//example.com:8080/|'
 
 echo % rss-log without basedir
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/a/rss-log' \
     | grep '<guid' | sed 's|//[.a-zA-Z0-9_-]*:[0-9][0-9]*/|//example.com:8080/|'
 
 cat > paths.conf <<EOF
 [paths]
 t/a/=$root/a
 b=$root/b
 coll=$root/*
 rcoll=$root/**
 star=*
 starstar=**
 EOF
 
 hg serve -p $HGPORT1 -d --pid-file=hg.pid --webdir-conf paths.conf \
     -A access-paths.log -E error-paths-2.log
 cat hg.pid >> $DAEMON_PIDS
 
 echo % should succeed, slashy names
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/?style=paper' \
 	| sed "s/[0-9]\{1,\} seconds\{0,1\} ago/seconds ago/"
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/t?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/t/?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/t/?style=paper' \
 	| sed "s/[0-9]\{1,\} seconds\{0,1\} ago/seconds ago/"
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/t/a?style=atom' \
 	| sed "s/http:\/\/[^/]*\//http:\/\/127.0.0.1\//"
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/t/a/?style=atom' \
 	| sed "s/http:\/\/[^/]*\//http:\/\/127.0.0.1\//"
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/t/a/file/tip/a?style=raw'
 # Test [paths] '*' extension
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/coll/?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/coll/a/file/tip/a?style=raw'
 #test [paths] '**' extension
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/rcoll/?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/rcoll/b/d/file/tip/d?style=raw'
 
 
 "$TESTDIR/killdaemons.py"
 cat > paths.conf <<EOF
 [paths]
 t/a = $root/a
 t/b = $root/b
 c = $root/c
 [web]
 descend=false
 EOF
 
 hg serve -p $HGPORT1 -d --pid-file=hg.pid --webdir-conf paths.conf \
     -A access-paths.log -E error-paths-3.log
 cat hg.pid >> $DAEMON_PIDS
 echo % test descend = False
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/t/?style=raw'
 
 
+"$TESTDIR/killdaemons.py"
+cat > paths.conf <<EOF
+[paths]
+nostore = $root/nostore
+inexistent = $root/inexistent
+EOF
+
+hg serve -p $HGPORT1 -d --pid-file=hg.pid --webdir-conf paths.conf \
+    -A access-paths.log -E error-paths-4.log
+cat hg.pid >> $DAEMON_PIDS
+echo % test inexistent and inaccessible repo should be ignored silently
+"$TESTDIR/get-with-headers.py" localhost:$HGPORT1 '/'
+
+
 cat > collections.conf <<EOF
 [collections]
 $root=$root
 EOF
 
 hg serve --config web.baseurl=http://hg.example.com:8080/ -p $HGPORT2 -d \
     --pid-file=hg.pid --webdir-conf collections.conf \
     -A access-collections.log -E error-collections.log
 cat hg.pid >> $DAEMON_PIDS
 
 echo % collections: should succeed
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT2 '/?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT2 '/a/file/tip/a?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT2 '/b/file/tip/b?style=raw'
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT2 '/c/file/tip/c?style=raw'
 
 echo % atom-log with basedir /
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT2 '/a/atom-log' \
     | grep '<link' | sed 's|//[.a-zA-Z0-9_-]*:[0-9][0-9]*/|//example.com:8080/|'
 
 echo % rss-log with basedir /
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT2 '/a/rss-log' \
     | grep '<guid' | sed 's|//[.a-zA-Z0-9_-]*:[0-9][0-9]*/|//example.com:8080/|'
 
 "$TESTDIR/killdaemons.py"
 
 hg serve --config web.baseurl=http://hg.example.com:8080/foo/ -p $HGPORT2 -d \
     --pid-file=hg.pid --webdir-conf collections.conf \
     -A access-collections-2.log -E error-collections-2.log
 cat hg.pid >> $DAEMON_PIDS
 
 echo % atom-log with basedir /foo/
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT2 '/a/atom-log' \
     | grep '<link' | sed 's|//[.a-zA-Z0-9_-]*:[0-9][0-9]*/|//example.com:8080/|'
 
 echo % rss-log with basedir /foo/
 "$TESTDIR/get-with-headers.py" localhost:$HGPORT2 '/a/rss-log' \
     | grep '<guid' | sed 's|//[.a-zA-Z0-9_-]*:[0-9][0-9]*/|//example.com:8080/|'
 
 echo % paths errors 1
 cat error-paths-1.log
 echo % paths errors 2
 cat error-paths-2.log
 echo % paths errors 3
 cat error-paths-3.log
 echo % collections errors
 cat error-collections.log
 echo % collections errors 2
 cat error-collections-2.log

tests/test-hgwebdir.out

@@ -1,443 +1,482 b''
 adding a
 adding b
 adding d
 adding c
 % should give a 404 - file does not exist
 404 Not Found
 
 
 error: bork@8580ff50825a: not found in manifest
 % should succeed
 200 Script output follows
 
 
 /a/
 /b/
 
 200 Script output follows
 
 a
 200 Script output follows
 
 b
 % should give a 404 - repo is not published
 404 Not Found
 
 
 error: repository c not found
 % atom-log without basedir
  <link rel="self" href="http://example.com:8080/a/atom-log"/>
  <link rel="alternate" href="http://example.com:8080/a/"/>
   <link href="http://example.com:8080/a/rev/8580ff50825a"/>
 % rss-log without basedir
     <guid isPermaLink="true">http://example.com:8080/a/rev/8580ff50825a</guid>
 % should succeed, slashy names
 200 Script output follows
 
 
 /t/a/
 /b/
 /coll/a/
 /coll/a/.hg/patches/
 /coll/b/
 /coll/c/
 /rcoll/a/
 /rcoll/a/.hg/patches/
 /rcoll/b/
 /rcoll/b/d/
 /rcoll/c/
 /star/webdir/a/
 /star/webdir/a/.hg/patches/
 /star/webdir/b/
 /star/webdir/c/
 /starstar/webdir/a/
 /starstar/webdir/a/.hg/patches/
 /starstar/webdir/b/
 /starstar/webdir/b/d/
 /starstar/webdir/c/
 
 200 Script output follows
 
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">
 <head>
 <link rel="icon" href="/static/hgicon.png" type="image/png" />
 <meta name="robots" content="index, nofollow" />
 <link rel="stylesheet" href="/static/style-paper.css" type="text/css" />
 
 <title>Mercurial repositories index</title>
 </head>
 <body>
 
 <div class="container">
 <div class="menu">
 <a href="http://mercurial.selenic.com/">
 <img src="/static/hglogo.png" width=75 height=90 border=0 alt="mercurial" /></a>
 </div>
 <div class="main">
 <h2>Mercurial Repositories</h2>
 
 <table class="bigtable">
     <tr>
         <th><a href="?sort=name">Name</a></th>
         <th><a href="?sort=description">Description</a></th>
         <th><a href="?sort=contact">Contact</a></th>
         <th><a href="?sort=lastchange">Last modified</a></th>
         <th>&nbsp;</th>
     </tr>
     
 <tr class="parity0">
 <td><a href="/t/a/?style=paper">t/a</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/b/?style=paper">b</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity0">
 <td><a href="/coll/a/?style=paper">coll/a</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/coll/a/.hg/patches/?style=paper">coll/a/.hg/patches</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity0">
 <td><a href="/coll/b/?style=paper">coll/b</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/coll/c/?style=paper">coll/c</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity0">
 <td><a href="/rcoll/a/?style=paper">rcoll/a</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/rcoll/a/.hg/patches/?style=paper">rcoll/a/.hg/patches</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity0">
 <td><a href="/rcoll/b/?style=paper">rcoll/b</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/rcoll/b/d/?style=paper">rcoll/b/d</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity0">
 <td><a href="/rcoll/c/?style=paper">rcoll/c</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/star/webdir/a/?style=paper">star/webdir/a</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity0">
 <td><a href="/star/webdir/a/.hg/patches/?style=paper">star/webdir/a/.hg/patches</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/star/webdir/b/?style=paper">star/webdir/b</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity0">
 <td><a href="/star/webdir/c/?style=paper">star/webdir/c</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/starstar/webdir/a/?style=paper">starstar/webdir/a</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity0">
 <td><a href="/starstar/webdir/a/.hg/patches/?style=paper">starstar/webdir/a/.hg/patches</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/starstar/webdir/b/?style=paper">starstar/webdir/b</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity0">
 <td><a href="/starstar/webdir/b/d/?style=paper">starstar/webdir/b/d</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 <tr class="parity1">
 <td><a href="/starstar/webdir/c/?style=paper">starstar/webdir/c</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 </table>
 </div>
 </div>
 
 
 </body>
 </html>
 
 200 Script output follows
 
 
 /t/a/
 
 200 Script output follows
 
 
 /t/a/
 
 200 Script output follows
 
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">
 <head>
 <link rel="icon" href="/static/hgicon.png" type="image/png" />
 <meta name="robots" content="index, nofollow" />
 <link rel="stylesheet" href="/static/style-paper.css" type="text/css" />
 
 <title>Mercurial repositories index</title>
 </head>
 <body>
 
 <div class="container">
 <div class="menu">
 <a href="http://mercurial.selenic.com/">
 <img src="/static/hglogo.png" width=75 height=90 border=0 alt="mercurial" /></a>
 </div>
 <div class="main">
 <h2>Mercurial Repositories</h2>
 
 <table class="bigtable">
     <tr>
         <th><a href="?sort=name">Name</a></th>
         <th><a href="?sort=description">Description</a></th>
         <th><a href="?sort=contact">Contact</a></th>
         <th><a href="?sort=lastchange">Last modified</a></th>
         <th>&nbsp;</th>
     </tr>
     
 <tr class="parity0">
 <td><a href="/t/a/?style=paper">a</a></td>
 <td>unknown</td>
 <td>&#70;&#111;&#111;&#32;&#66;&#97;&#114;&#32;&#60;&#102;&#111;&#111;&#46;&#98;&#97;&#114;&#64;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#99;&#111;&#109;&#62;</td>
 <td class="age">seconds ago</td>
 <td class="indexlinks"></td>
 </tr>
 
 </table>
 </div>
 </div>
 
 
 </body>
 </html>
 
 200 Script output follows
 
 <?xml version="1.0" encoding="ascii"?>
 <feed xmlns="http://127.0.0.1/2005/Atom">
  <!-- Changelog -->
  <id>http://127.0.0.1/t/a/</id>
  <link rel="self" href="http://127.0.0.1/t/a/atom-log"/>
  <link rel="alternate" href="http://127.0.0.1/t/a/"/>
  <title>t/a Changelog</title>
  <updated>1970-01-01T00:00:01+00:00</updated>
 
  <entry>
   <title>a</title>
   <id>http://127.0.0.1/t/a/#changeset-8580ff50825a50c8f716709acdf8de0deddcd6ab</id>
   <link href="http://127.0.0.1/t/a/rev/8580ff50825a"/>
   <author>
    <name>test</name>
    <email>&#116;&#101;&#115;&#116;</email>
   </author>
   <updated>1970-01-01T00:00:01+00:00</updated>
   <published>1970-01-01T00:00:01+00:00</published>
   <content type="xhtml">
    <div xmlns="http://127.0.0.1/1999/xhtml">
     <pre xml:space="preserve">a</pre>
    </div>
   </content>
  </entry>
 
 </feed>
 200 Script output follows
 
 <?xml version="1.0" encoding="ascii"?>
 <feed xmlns="http://127.0.0.1/2005/Atom">
  <!-- Changelog -->
  <id>http://127.0.0.1/t/a/</id>
  <link rel="self" href="http://127.0.0.1/t/a/atom-log"/>
  <link rel="alternate" href="http://127.0.0.1/t/a/"/>
  <title>t/a Changelog</title>
  <updated>1970-01-01T00:00:01+00:00</updated>
 
  <entry>
   <title>a</title>
   <id>http://127.0.0.1/t/a/#changeset-8580ff50825a50c8f716709acdf8de0deddcd6ab</id>
   <link href="http://127.0.0.1/t/a/rev/8580ff50825a"/>
   <author>
    <name>test</name>
    <email>&#116;&#101;&#115;&#116;</email>
   </author>
   <updated>1970-01-01T00:00:01+00:00</updated>
   <published>1970-01-01T00:00:01+00:00</published>
   <content type="xhtml">
    <div xmlns="http://127.0.0.1/1999/xhtml">
     <pre xml:space="preserve">a</pre>
    </div>
   </content>
  </entry>
 
 </feed>
 200 Script output follows
 
 a
 200 Script output follows
 
 
 /coll/a/
 /coll/a/.hg/patches/
 /coll/b/
 /coll/c/
 
 200 Script output follows
 
 a
 200 Script output follows
 
 
 /rcoll/a/
 /rcoll/a/.hg/patches/
 /rcoll/b/
 /rcoll/b/d/
 /rcoll/c/
 
 200 Script output follows
 
 d
 % test descend = False
 200 Script output follows
 
 
 /c/
 
 200 Script output follows
 
 
 /t/a/
 /t/b/
 
+% test inexistent and inaccessible repo should be ignored silently
+200 Script output follows
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">
+<head>
+<link rel="icon" href="/static/hgicon.png" type="image/png" />
+<meta name="robots" content="index, nofollow" />
+<link rel="stylesheet" href="/static/style-paper.css" type="text/css" />
+
+<title>Mercurial repositories index</title>
+</head>
+<body>
+
+<div class="container">
+<div class="menu">
+<a href="http://mercurial.selenic.com/">
+<img src="/static/hglogo.png" width=75 height=90 border=0 alt="mercurial" /></a>
+</div>
+<div class="main">
+<h2>Mercurial Repositories</h2>
+
+<table class="bigtable">
+    <tr>
+        <th><a href="?sort=name">Name</a></th>
+        <th><a href="?sort=description">Description</a></th>
+        <th><a href="?sort=contact">Contact</a></th>
+        <th><a href="?sort=lastchange">Last modified</a></th>
+        <th>&nbsp;</th>
+    </tr>
+    
+</table>
+</div>
+</div>
+
+
+</body>
+</html>
+
 % collections: should succeed
 200 Script output follows
 
 
 /a/
 /a/.hg/patches/
 /b/
 /c/
 
 200 Script output follows
 
 a
 200 Script output follows
 
 b
 200 Script output follows
 
 c
 % atom-log with basedir /
  <link rel="self" href="http://example.com:8080/a/atom-log"/>
  <link rel="alternate" href="http://example.com:8080/a/"/>
   <link href="http://example.com:8080/a/rev/8580ff50825a"/>
 % rss-log with basedir /
     <guid isPermaLink="true">http://example.com:8080/a/rev/8580ff50825a</guid>
 % atom-log with basedir /foo/
  <link rel="self" href="http://example.com:8080/foo/a/atom-log"/>
  <link rel="alternate" href="http://example.com:8080/foo/a/"/>
   <link href="http://example.com:8080/foo/a/rev/8580ff50825a"/>
 % rss-log with basedir /foo/
     <guid isPermaLink="true">http://example.com:8080/foo/a/rev/8580ff50825a</guid>
 % paths errors 1
 % paths errors 2
 % paths errors 3
 % collections errors
 % collections errors 2