httppeer: reintroduce _abort that accidentally was removed in 167047ba3cfa

Including the missing test coverage that would have caught it.

mercurial/httppeer.py

@@ -1,269 +1,272 b''
 # httppeer.py - HTTP repository proxy classes for mercurial
 #
 # Copyright 2005, 2006 Matt Mackall <[e-mail]>
 # Copyright 2006 Vadim Gelfer <[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.
 
 from node import nullid
 from i18n import _
 import tempfile
 import changegroup, statichttprepo, error, httpconnection, url, util, wireproto
 import os, urllib, urllib2, zlib, httplib
 import errno, socket
 
 def zgenerator(f):
     zd = zlib.decompressobj()
     try:
         for chunk in util.filechunkiter(f):
             while chunk:
                 yield zd.decompress(chunk, 2**18)
                 chunk = zd.unconsumed_tail
     except httplib.HTTPException:
         raise IOError(None, _('connection ended unexpectedly'))
     yield zd.flush()
 
 class httppeer(wireproto.wirepeer):
     def __init__(self, ui, path):
         self.path = path
         self.caps = None
         self.handler = None
         self.urlopener = None
         u = util.url(path)
         if u.query or u.fragment:
             raise util.Abort(_('unsupported URL component: "%s"') %
                              (u.query or u.fragment))
 
         # urllib cannot handle URLs with embedded user or passwd
         self._url, authinfo = u.authinfo()
 
         self.ui = ui
         self.ui.debug('using %s\n' % self._url)
 
         self.urlopener = url.opener(ui, authinfo)
 
     def __del__(self):
         if self.urlopener:
             for h in self.urlopener.handlers:
                 h.close()
                 getattr(h, "close_all", lambda : None)()
 
     def url(self):
         return self.path
 
     # look up capabilities only when needed
 
     def _fetchcaps(self):
         self.caps = set(self._call('capabilities').split())
 
     def _capabilities(self):
         if self.caps is None:
             try:
                 self._fetchcaps()
             except error.RepoError:
                 self.caps = set()
             self.ui.debug('capabilities: %s\n' %
                           (' '.join(self.caps or ['none'])))
         return self.caps
 
     def lock(self):
         raise util.Abort(_('operation not supported over http'))
 
     def _callstream(self, cmd, **args):
         if cmd == 'pushkey':
             args['data'] = ''
         data = args.pop('data', None)
         size = 0
         if util.safehasattr(data, 'length'):
             size = data.length
         elif data is not None:
             size = len(data)
         headers = args.pop('headers', {})
         if data is not None and 'Content-Type' not in headers:
             headers['Content-Type'] = 'application/mercurial-0.1'
 
 
         if size and self.ui.configbool('ui', 'usehttp2', False):
             headers['Expect'] = '100-Continue'
             headers['X-HgHttp2'] = '1'
 
         self.ui.debug("sending %s command\n" % cmd)
         q = [('cmd', cmd)]
         headersize = 0
         if len(args) > 0:
             httpheader = self.capable('httpheader')
             if httpheader:
                 headersize = int(httpheader.split(',')[0])
         if headersize > 0:
             # The headers can typically carry more data than the URL.
             encargs = urllib.urlencode(sorted(args.items()))
             headerfmt = 'X-HgArg-%s'
             contentlen = headersize - len(headerfmt % '000' + ': \r\n')
             headernum = 0
             for i in xrange(0, len(encargs), contentlen):
                 headernum += 1
                 header = headerfmt % str(headernum)
                 headers[header] = encargs[i:i + contentlen]
             varyheaders = [headerfmt % str(h) for h in range(1, headernum + 1)]
             headers['Vary'] = ','.join(varyheaders)
         else:
             q += sorted(args.items())
         qs = '?%s' % urllib.urlencode(q)
         cu = "%s%s" % (self._url, qs)
         req = urllib2.Request(cu, data, headers)
         if data is not None:
             self.ui.debug("sending %s bytes\n" % size)
             req.add_unredirected_header('Content-Length', '%d' % size)
         try:
             resp = self.urlopener.open(req)
         except urllib2.HTTPError, inst:
             if inst.code == 401:
                 raise util.Abort(_('authorization failed'))
             raise
         except httplib.HTTPException, inst:
             self.ui.debug('http error while sending %s command\n' % cmd)
             self.ui.traceback()
             raise IOError(None, inst)
         except IndexError:
             # this only happens with Python 2.3, later versions raise URLError
             raise util.Abort(_('http error, possibly caused by proxy setting'))
         # record the url we got redirected to
         resp_url = resp.geturl()
         if resp_url.endswith(qs):
             resp_url = resp_url[:-len(qs)]
         if self._url.rstrip('/') != resp_url.rstrip('/'):
             if not self.ui.quiet:
                 self.ui.warn(_('real URL is %s\n') % resp_url)
         self._url = resp_url
         try:
             proto = resp.getheader('content-type')
         except AttributeError:
             proto = resp.headers.get('content-type', '')
 
         safeurl = util.hidepassword(self._url)
         if proto.startswith('application/hg-error'):
             raise error.OutOfBandError(resp.read())
         # accept old "text/plain" and "application/hg-changegroup" for now
         if not (proto.startswith('application/mercurial-') or
                 (proto.startswith('text/plain')
                  and not resp.headers.get('content-length')) or
                 proto.startswith('application/hg-changegroup')):
             self.ui.debug("requested URL: '%s'\n" % util.hidepassword(cu))
             raise error.RepoError(
                 _("'%s' does not appear to be an hg repository:\n"
                   "---%%<--- (%s)\n%s\n---%%<---\n")
                 % (safeurl, proto or 'no content-type', resp.read(1024)))
 
         if proto.startswith('application/mercurial-'):
             try:
                 version = proto.split('-', 1)[1]
                 version_info = tuple([int(n) for n in version.split('.')])
             except ValueError:
                 raise error.RepoError(_("'%s' sent a broken Content-Type "
                                         "header (%s)") % (safeurl, proto))
             if version_info > (0, 1):
                 raise error.RepoError(_("'%s' uses newer protocol %s") %
                                       (safeurl, version))
 
         return resp
 
     def _call(self, cmd, **args):
         fp = self._callstream(cmd, **args)
         try:
             return fp.read()
         finally:
             # if using keepalive, allow connection to be reused
             fp.close()
 
     def _callpush(self, cmd, cg, **args):
         # have to stream bundle to a temp file because we do not have
         # http 1.1 chunked transfer.
 
         types = self.capable('unbundle')
         try:
             types = types.split(',')
         except AttributeError:
             # servers older than d1b16a746db6 will send 'unbundle' as a
             # boolean capability. They only support headerless/uncompressed
             # bundles.
             types = [""]
         for x in types:
             if x in changegroup.bundletypes:
                 type = x
                 break
 
         tempname = changegroup.writebundle(cg, None, type)
         fp = httpconnection.httpsendfile(self.ui, tempname, "rb")
         headers = {'Content-Type': 'application/mercurial-0.1'}
 
         try:
             try:
                 r = self._call(cmd, data=fp, headers=headers, **args)
                 vals = r.split('\n', 1)
                 if len(vals) < 2:
                     raise error.ResponseError(_("unexpected response:"), r)
                 return vals
             except socket.error, err:
                 if err.args[0] in (errno.ECONNRESET, errno.EPIPE):
                     raise util.Abort(_('push failed: %s') % err.args[1])
                 raise util.Abort(err.args[1])
         finally:
             fp.close()
             os.unlink(tempname)
 
     def _calltwowaystream(self, cmd, fp, **args):
         fh = None
         filename = None
         try:
             # dump bundle to disk
             fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg")
             fh = os.fdopen(fd, "wb")
             d = fp.read(4096)
             while d:
                 fh.write(d)
                 d = fp.read(4096)
             fh.close()
             # start http push
             fp = httpconnection.httpsendfile(self.ui, filename, "rb")
             headers = {'Content-Type': 'application/mercurial-0.1'}
             return self._callstream(cmd, data=fp, headers=headers, **args)
         finally:
             if fh is not None:
                 fh.close()
                 os.unlink(filename)
 
     def _callcompressable(self, cmd, **args):
         stream =  self._callstream(cmd, **args)
         return util.chunkbuffer(zgenerator(stream))
 
+    def _abort(self, exception):
+        raise exception
+
 class httpspeer(httppeer):
     def __init__(self, ui, path):
         if not url.has_https:
             raise util.Abort(_('Python support for SSL and HTTPS '
                                'is not installed'))
         httppeer.__init__(self, ui, path)
 
 def instance(ui, path, create):
     if create:
         raise util.Abort(_('cannot create new http repository'))
     try:
         if path.startswith('https:'):
             inst = httpspeer(ui, path)
         else:
             inst = httppeer(ui, path)
         try:
             # Try to do useful work when checking compatibility.
             # Usually saves a roundtrip since we want the caps anyway.
             inst._fetchcaps()
         except error.RepoError:
             # No luck, try older compatibility check.
             inst.between([(nullid, nullid)])
         return inst
     except error.RepoError, httpexception:
         try:
             r = statichttprepo.instance(ui, "static-" + path, create)
             ui.note('(falling back to static-http)\n')
             return r
         except error.RepoError:
             raise httpexception # use the original http RepoError instead

tests/test-identify.t

@@ -1,126 +1,132 b''
   $ "$TESTDIR/hghave" serve || exit 80
 
 #if no-outer-repo
 
 no repo
 
   $ hg id
   abort: there is no Mercurial repository here (.hg not found)
   [255]
 
 #endif
 
 create repo
 
   $ hg init test
   $ cd test
   $ echo a > a
   $ hg ci -Ama
   adding a
 
 basic id usage
 
   $ hg id
   cb9a9f314b8b tip
   $ hg id --debug
   cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b tip
   $ hg id -q
   cb9a9f314b8b
   $ hg id -v
   cb9a9f314b8b tip
 
 with options
 
   $ hg id -r.
   cb9a9f314b8b tip
   $ hg id -n
   0
   $ hg id -t
   tip
   $ hg id -b
   default
   $ hg id -i
   cb9a9f314b8b
   $ hg id -n -t -b -i
   cb9a9f314b8b 0 default tip
 
 with modifications
 
   $ echo b > a
   $ hg id -n -t -b -i
   cb9a9f314b8b+ 0+ default tip
 
 other local repo
 
   $ cd ..
   $ hg -R test id
   cb9a9f314b8b+ tip
 #if no-outer-repo
   $ hg id test
   cb9a9f314b8b+ tip
 #endif
 
 with remote http repo
 
   $ cd test
   $ hg serve -p $HGPORT1 -d --pid-file=hg.pid
   $ cat hg.pid >> $DAEMON_PIDS
   $ hg id http://localhost:$HGPORT1/
   cb9a9f314b8b
 
 remote with rev number?
 
   $ hg id -n http://localhost:$HGPORT1/
   abort: can't query remote revision number, branch, or tags
   [255]
 
 remote with tags?
 
   $ hg id -t http://localhost:$HGPORT1/
   abort: can't query remote revision number, branch, or tags
   [255]
 
 remote with branch?
 
   $ hg id -b http://localhost:$HGPORT1/
   abort: can't query remote revision number, branch, or tags
   [255]
 
 test bookmark support
 
   $ hg bookmark Y
   $ hg bookmark Z
   $ hg bookmarks
      Y                         0:cb9a9f314b8b
    * Z                         0:cb9a9f314b8b
   $ hg id
   cb9a9f314b8b+ tip Y/Z
   $ hg id --bookmarks
   Y Z
 
 test remote identify with bookmarks
 
   $ hg id http://localhost:$HGPORT1/
   cb9a9f314b8b Y/Z
   $ hg id --bookmarks http://localhost:$HGPORT1/
   Y Z
   $ hg id -r . http://localhost:$HGPORT1/
   cb9a9f314b8b Y/Z
   $ hg id --bookmarks -r . http://localhost:$HGPORT1/
   Y Z
 
+test invalid lookup
+
+  $ hg id -r noNoNO http://localhost:$HGPORT1/
+  abort: unknown revision 'noNoNO'!
+  [255]
+
 Make sure we do not obscure unknown requires file entries (issue2649)
 
   $ echo fake >> .hg/requires
   $ hg id
   abort: repository requires features unknown to this Mercurial: fake!
   (see http://mercurial.selenic.com/wiki/MissingRequirement for more information)
   [255]
 
   $ cd ..
 #if no-outer-repo
   $ hg id test
   abort: repository requires features unknown to this Mercurial: fake!
   (see http://mercurial.selenic.com/wiki/MissingRequirement for more information)
   [255]
 #endif

tests/test-ssh.t

@@ -1,384 +1,389 b''
 
 
 This test tries to exercise the ssh functionality with a dummy script
 
 creating 'remote' repo
 
   $ hg init remote
   $ cd remote
   $ echo this > foo
   $ echo this > fooO
   $ hg ci -A -m "init" foo fooO
   $ cat <<EOF > .hg/hgrc
   > [server]
   > uncompressed = True
   > 
   > [hooks]
   > changegroup = python "$TESTDIR/printenv.py" changegroup-in-remote 0 ../dummylog
   > EOF
   $ cd ..
 
 repo not found error
 
   $ hg clone -e "python \"$TESTDIR/dummyssh\"" ssh://user@dummy/nonexistent local
   remote: abort: there is no Mercurial repository here (.hg not found)!
   abort: no suitable response from remote hg!
   [255]
 
 non-existent absolute path
 
   $ hg clone -e "python \"$TESTDIR/dummyssh\"" ssh://user@dummy//`pwd`/nonexistent local
   remote: abort: there is no Mercurial repository here (.hg not found)!
   abort: no suitable response from remote hg!
   [255]
 
 clone remote via stream
 
   $ hg clone -e "python \"$TESTDIR/dummyssh\"" --uncompressed ssh://user@dummy/remote local-stream
   streaming all changes
   4 files to transfer, 392 bytes of data
   transferred 392 bytes in * seconds (*/sec) (glob)
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd local-stream
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   2 files, 1 changesets, 2 total revisions
   $ cd ..
 
 clone remote via pull
 
   $ hg clone -e "python \"$TESTDIR/dummyssh\"" ssh://user@dummy/remote local
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 2 changes to 2 files
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 verify
 
   $ cd local
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   2 files, 1 changesets, 2 total revisions
   $ echo '[hooks]' >> .hg/hgrc
   $ echo "changegroup = python \"$TESTDIR/printenv.py\" changegroup-in-local 0 ../dummylog" >> .hg/hgrc
 
 empty default pull
 
   $ hg paths
   default = ssh://user@dummy/remote
   $ hg pull -e "python \"$TESTDIR/dummyssh\""
   pulling from ssh://user@dummy/remote
   searching for changes
   no changes found
 
 local change
 
   $ echo bleah > foo
   $ hg ci -m "add"
 
 updating rc
 
   $ echo "default-push = ssh://user@dummy/remote" >> .hg/hgrc
   $ echo "[ui]" >> .hg/hgrc
   $ echo "ssh = python \"$TESTDIR/dummyssh\"" >> .hg/hgrc
 
 find outgoing
 
   $ hg out ssh://user@dummy/remote
   comparing with ssh://user@dummy/remote
   searching for changes
   changeset:   1:a28a9d1a809c
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add
   
 
 find incoming on the remote side
 
   $ hg incoming -R ../remote -e "python \"$TESTDIR/dummyssh\"" ssh://user@dummy/local
   comparing with ssh://user@dummy/local
   searching for changes
   changeset:   1:a28a9d1a809c
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add
   
 
 find incoming on the remote side (using absolute path)
 
   $ hg incoming -R ../remote -e "python \"$TESTDIR/dummyssh\"" "ssh://user@dummy/`pwd`"
   comparing with ssh://user@dummy/$TESTTMP/local
   searching for changes
   changeset:   1:a28a9d1a809c
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add
   
 
 push
 
   $ hg push
   pushing to ssh://user@dummy/remote
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   $ cd ../remote
 
 check remote tip
 
   $ hg tip
   changeset:   1:a28a9d1a809c
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add
   
   $ hg verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   2 files, 2 changesets, 3 total revisions
   $ hg cat -r tip foo
   bleah
   $ echo z > z
   $ hg ci -A -m z z
   created new head
 
 test pushkeys and bookmarks
 
   $ cd ../local
   $ hg debugpushkey --config ui.ssh="python \"$TESTDIR/dummyssh\"" ssh://user@dummy/remote namespaces
   bookmarks	
   namespaces	
   phases	
   $ hg book foo -r 0
   $ hg out -B
   comparing with ssh://user@dummy/remote
   searching for changed bookmarks
      foo                       1160648e36ce
   $ hg push -B foo
   pushing to ssh://user@dummy/remote
   searching for changes
   no changes found
   exporting bookmark foo
   [1]
   $ hg debugpushkey --config ui.ssh="python \"$TESTDIR/dummyssh\"" ssh://user@dummy/remote bookmarks
   foo	1160648e36cec0054048a7edc4110c6f84fde594
   $ hg book -f foo
   $ hg push --traceback
   pushing to ssh://user@dummy/remote
   searching for changes
   no changes found
   updating bookmark foo
   [1]
   $ hg book -d foo
   $ hg in -B
   comparing with ssh://user@dummy/remote
   searching for changed bookmarks
      foo                       a28a9d1a809c
   $ hg book -f -r 0 foo
   $ hg pull -B foo
   pulling from ssh://user@dummy/remote
   no changes found
   updating bookmark foo
   importing bookmark foo
   $ hg book -d foo
   $ hg push -B foo
   pushing to ssh://user@dummy/remote
   searching for changes
   no changes found
   deleting remote bookmark foo
   [1]
 
 a bad, evil hook that prints to stdout
 
   $ cat <<EOF > $TESTTMP/badhook
   > import sys
   > sys.stdout.write("KABOOM\n")
   > EOF
 
   $ echo '[hooks]' >> ../remote/.hg/hgrc
   $ echo "changegroup.stdout = python $TESTTMP/badhook" >> ../remote/.hg/hgrc
   $ echo r > r
   $ hg ci -A -m z r
 
 push should succeed even though it has an unexpected response
 
   $ hg push
   pushing to ssh://user@dummy/remote
   searching for changes
   remote has heads on branch 'default' that are not known locally: 6c0482d977a3
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: KABOOM
   $ hg -R ../remote heads
   changeset:   3:1383141674ec
   tag:         tip
   parent:      1:a28a9d1a809c
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     z
   
   changeset:   2:6c0482d977a3
   parent:      0:1160648e36ce
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     z
   
 
 clone bookmarks
 
   $ hg -R ../remote bookmark test
   $ hg -R ../remote bookmarks
    * test                      2:6c0482d977a3
   $ hg clone -e "python \"$TESTDIR/dummyssh\"" ssh://user@dummy/remote local-bookmarks
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 4 changesets with 5 changes to 4 files (+1 heads)
   updating to branch default
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg -R local-bookmarks bookmarks
      test                      2:6c0482d977a3
 
 passwords in ssh urls are not supported
 (we use a glob here because different Python versions give different
 results here)
 
   $ hg push ssh://user:erroneouspwd@dummy/remote
   pushing to ssh://user:*@dummy/remote (glob)
   abort: password in URL not supported!
   [255]
 
   $ cd ..
 
 hide outer repo
   $ hg init
 
 Test remote paths with spaces (issue2983):
 
   $ hg init --ssh "python \"$TESTDIR/dummyssh\"" "ssh://user@dummy/a repo"
   $ touch "$TESTTMP/a repo/test"
   $ hg -R 'a repo' commit -A -m "test"
   adding test
   $ hg -R 'a repo' tag tag
   $ hg id --ssh "python \"$TESTDIR/dummyssh\"" "ssh://user@dummy/a repo"
   73649e48688a
 
+  $ hg id --ssh "python \"$TESTDIR/dummyssh\"" "ssh://user@dummy/a repo#noNoNO"
+  abort: unknown revision 'noNoNO'!
+  [255]
+
 Test (non-)escaping of remote paths with spaces when cloning (issue3145):
 
   $ hg clone --ssh "python \"$TESTDIR/dummyssh\"" "ssh://user@dummy/a repo"
   destination directory: a repo
   abort: destination 'a repo' is not empty
   [255]
 
 Test hg-ssh using a helper script that will restore PYTHONPATH (which might
 have been cleared by a hg.exe wrapper) and invoke hg-ssh with the right
 parameters:
 
   $ cat > ssh.sh << EOF
   > userhost="\$1"
   > SSH_ORIGINAL_COMMAND="\$2"
   > export SSH_ORIGINAL_COMMAND
   > PYTHONPATH="$PYTHONPATH"
   > export PYTHONPATH
   > python "$TESTDIR/../contrib/hg-ssh" "$TESTTMP/a repo"
   > EOF
 
   $ hg id --ssh "sh ssh.sh" "ssh://user@dummy/a repo"
   73649e48688a
 
   $ hg id --ssh "sh ssh.sh" "ssh://user@dummy/a'repo"
   remote: Illegal repository "$TESTTMP/a'repo" (glob)
   abort: no suitable response from remote hg!
   [255]
 
   $ hg id --ssh "sh ssh.sh" --remotecmd hacking "ssh://user@dummy/a'repo"
   remote: Illegal command "hacking -R 'a'\''repo' serve --stdio"
   abort: no suitable response from remote hg!
   [255]
 
   $ SSH_ORIGINAL_COMMAND="'hg' -R 'a'repo' serve --stdio" python "$TESTDIR/../contrib/hg-ssh"
   Illegal command "'hg' -R 'a'repo' serve --stdio": No closing quotation
   [255]
 
 Test hg-ssh in read-only mode:
 
   $ cat > ssh.sh << EOF
   > userhost="\$1"
   > SSH_ORIGINAL_COMMAND="\$2"
   > export SSH_ORIGINAL_COMMAND
   > PYTHONPATH="$PYTHONPATH"
   > export PYTHONPATH
   > python "$TESTDIR/../contrib/hg-ssh" --read-only "$TESTTMP/remote"
   > EOF
 
   $ hg clone --ssh "sh ssh.sh" "ssh://user@dummy/$TESTTMP/remote" read-only-local
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 4 changesets with 5 changes to 4 files (+1 heads)
   updating to branch default
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ cd read-only-local
   $ echo "baz" > bar
   $ hg ci -A -m "unpushable commit" bar
   $ hg push --ssh "sh ../ssh.sh"
   pushing to ssh://user@dummy/*/remote (glob)
   searching for changes
   remote: Permission denied
   remote: abort: prechangegroup.hg-ssh hook failed
   remote: Permission denied
   remote: abort: prepushkey.hg-ssh hook failed
   abort: unexpected response: empty string
   [255]
 
   $ cd ..
 
   $ cat dummylog
   Got arguments 1:user@dummy 2:hg -R nonexistent serve --stdio
   Got arguments 1:user@dummy 2:hg -R /$TESTTMP/nonexistent serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R local serve --stdio
   Got arguments 1:user@dummy 2:hg -R $TESTTMP/local serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   changegroup-in-remote hook: HG_NODE=a28a9d1a809cab7d4e2fde4bee738a9ede948b60 HG_SOURCE=serve HG_URL=remote:ssh:127.0.0.1
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   changegroup-in-remote hook: HG_NODE=1383141674ec756a6056f6a9097618482fe0f4a6 HG_SOURCE=serve HG_URL=remote:ssh:127.0.0.1
   Got arguments 1:user@dummy 2:hg -R remote serve --stdio
   Got arguments 1:user@dummy 2:hg init 'a repo'
   Got arguments 1:user@dummy 2:hg -R 'a repo' serve --stdio
   Got arguments 1:user@dummy 2:hg -R 'a repo' serve --stdio
   Got arguments 1:user@dummy 2:hg -R 'a repo' serve --stdio
+  Got arguments 1:user@dummy 2:hg -R 'a repo' serve --stdio