httppeer: advertise and support application/mercurial-0.2
authorGregory Szorc <gregory.szorc@gmail.com>
Sat, 24 Dec 2016 15:22:18 -0700
changeset 30763 a520aefb96f1
parent 30762 35b516f800e0
child 30764 e75463e3179f
httppeer: advertise and support application/mercurial-0.2 Now that servers expose a capability indicating they support application/mercurial-0.2 and compression, clients can key off this to say they support responses that are compressed with various compression formats. After this commit, the HTTP wire protocol client now sends an "X-HgProto-<N>" request header indicating its support for "application/mercurial-0.2" media type and various compression formats. This commit also implements support for handling "application/mercurial-0.2" responses. It simply reads the header compression engine identifier then routes the remainder of the response to the appropriate decompressor. There were some test changes, but only to logging. That points to an obvious gap in our test coverage. This will be addressed in a subsequent commit once server support is in place (it is hard to test without server support).
mercurial/httppeer.py
mercurial/url.py
tests/test-clonebundles.t
tests/test-getbundle.t
tests/test-http-bundle1.t
tests/test-http-proxy.t
tests/test-http.t
tests/test-largefiles-wireproto.t
tests/test-setdiscovery.t
tests/test-treediscovery.t
tests/test-wireproto.t
--- a/mercurial/httppeer.py	Sat Dec 24 15:21:46 2016 -0700
+++ b/mercurial/httppeer.py	Sat Dec 24 15:22:18 2016 -0700
@@ -11,6 +11,7 @@
 import errno
 import os
 import socket
+import struct
 import tempfile
 
 from .i18n import _
@@ -174,6 +175,37 @@
         if data is not None and 'Content-Type' not in headers:
             headers['Content-Type'] = 'application/mercurial-0.1'
 
+        # Tell the server we accept application/mercurial-0.2 and multiple
+        # compression formats if the server is capable of emitting those
+        # payloads.
+        protoparams = []
+
+        mediatypes = set()
+        if self.caps is not None:
+            mt = self.capable('httpmediatype')
+            if mt:
+                protoparams.append('0.1')
+                mediatypes = set(mt.split(','))
+
+        if '0.2tx' in mediatypes:
+            protoparams.append('0.2')
+
+        if '0.2tx' in mediatypes and self.capable('compression'):
+            # We /could/ compare supported compression formats and prune
+            # non-mutually supported or error if nothing is mutually supported.
+            # For now, send the full list to the server and have it error.
+            comps = [e.wireprotosupport().name for e in
+                     util.compengines.supportedwireengines(util.CLIENTROLE)]
+            protoparams.append('comp=%s' % ','.join(comps))
+
+        if protoparams:
+            protoheaders = encodevalueinheaders(' '.join(protoparams),
+                                                'X-HgProto',
+                                                headersize or 1024)
+            for header, value in protoheaders:
+                headers[header] = value
+                varyheaders.append(header)
+
         headers['Vary'] = ','.join(varyheaders)
         req = self.requestbuilder(cu, data, headers)
 
@@ -224,7 +256,19 @@
             except ValueError:
                 raise error.RepoError(_("'%s' sent a broken Content-Type "
                                         "header (%s)") % (safeurl, proto))
-            if version_info > (0, 1):
+
+            if version_info == (0, 1):
+                if _compressible:
+                    return decompressresponse(resp, util.compengines['zlib'])
+                return resp
+            elif version_info == (0, 2):
+                # application/mercurial-0.2 always identifies the compression
+                # engine in the payload header.
+                elen = struct.unpack('B', resp.read(1))[0]
+                ename = resp.read(elen)
+                engine = util.compengines.forwiretype(ename)
+                return decompressresponse(resp, engine)
+            else:
                 raise error.RepoError(_("'%s' uses newer protocol %s") %
                                       (safeurl, version))
 
--- a/mercurial/url.py	Sat Dec 24 15:21:46 2016 -0700
+++ b/mercurial/url.py	Sat Dec 24 15:22:18 2016 -0700
@@ -466,6 +466,11 @@
     # user agent they deem appropriate.
     agent = 'mercurial/proto-1.0 (Mercurial %s)' % util.version()
     opener.addheaders = [('User-agent', agent)]
+
+    # This header should only be needed by wire protocol requests. But it has
+    # been sent on all requests since forever. We keep sending it for backwards
+    # compatibility reasons. Modern versions of the wire protocol use
+    # X-HgProto-<N> for advertising client support.
     opener.addheaders.append(('Accept', 'application/mercurial-0.1'))
     return opener
 
--- a/tests/test-clonebundles.t	Sat Dec 24 15:21:46 2016 -0700
+++ b/tests/test-clonebundles.t	Sat Dec 24 15:22:18 2016 -0700
@@ -31,8 +31,8 @@
 
   $ cat server/access.log
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D (glob)
-  * - - [*] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=aaff8d2ffbbf07a46dd1f05d8ae7877e3f56e2a2&listkeys=phases%2Cbookmarks (glob)
+  * - - [*] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=aaff8d2ffbbf07a46dd1f05d8ae7877e3f56e2a2&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
 
 Empty manifest file results in retrieval
 (the extension only checks if the manifest file exists)
--- a/tests/test-getbundle.t	Sat Dec 24 15:21:46 2016 -0700
+++ b/tests/test-getbundle.t	Sat Dec 24 15:22:18 2016 -0700
@@ -264,9 +264,9 @@
 
   $ cat access.log
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=getbundle HTTP/1.1" 200 - (glob)
+  * - - [*] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:common=700b7e19db54103633c4bf4a6a6b6d55f4d50c03+d5f6e1ea452285324836a49d7d3c2a63cfed1d31&heads=13c0170174366b441dc68e8e33757232fa744458+bac16991d12ff45f9dc43c52da1946dfadb83e80 (glob)
+  * - - [*] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:common=700b7e19db54103633c4bf4a6a6b6d55f4d50c03+d5f6e1ea452285324836a49d7d3c2a63cfed1d31&heads=13c0170174366b441dc68e8e33757232fa744458+bac16991d12ff45f9dc43c52da1946dfadb83e80 x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
 
   $ cat error.log
 
--- a/tests/test-http-bundle1.t	Sat Dec 24 15:21:46 2016 -0700
+++ b/tests/test-http-bundle1.t	Sat Dec 24 15:22:18 2016 -0700
@@ -238,66 +238,66 @@
 
   $ sed 's/.*] "/"/' < ../access.log
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=branchmap HTTP/1.1" 200 -
-  "GET /?cmd=stream_out HTTP/1.1" 401 -
-  "GET /?cmd=stream_out HTTP/1.1" 200 -
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
-  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D5fed3813f7f5e1824344fdc9cf8f63bb662c292d
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
+  "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=stream_out HTTP/1.1" 401 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=stream_out HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D5fed3813f7f5e1824344fdc9cf8f63bb662c292d x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=bookmarks
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
-  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D
-  "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:common=0000000000000000000000000000000000000000&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:common=0000000000000000000000000000000000000000&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 403 - x-hgarg-1:namespace=namespaces
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 403 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D7f4e523d01f2cc3765ac8934da3d14db775ff872
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=phases
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
-  "GET /?cmd=branchmap HTTP/1.1" 200 -
-  "GET /?cmd=branchmap HTTP/1.1" 200 -
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D7f4e523d01f2cc3765ac8934da3d14db775ff872 x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "POST /?cmd=unbundle HTTP/1.1" 200 - x-hgarg-1:heads=686173686564+5eb5abfefeea63c80dd7553bcc3783f37e0c5524* (glob)
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
 
   $ cd ..
 
--- a/tests/test-http-proxy.t	Sat Dec 24 15:21:46 2016 -0700
+++ b/tests/test-http-proxy.t	Sat Dec 24 15:22:18 2016 -0700
@@ -101,19 +101,19 @@
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cat proxy.log
   * - - [*] "GET http://localhost:$HGPORT/?cmd=capabilities HTTP/1.1" - - (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=branchmap HTTP/1.1" - - (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=stream_out HTTP/1.1" - - (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D83180e7845de420a1bb46896fd5fe05294f8d629 (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=0&common=83180e7845de420a1bb46896fd5fe05294f8d629&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=branchmap HTTP/1.1" - - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=stream_out HTTP/1.1" - - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D83180e7845de420a1bb46896fd5fe05294f8d629 x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=0&common=83180e7845de420a1bb46896fd5fe05294f8d629&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET http://localhost:$HGPORT/?cmd=capabilities HTTP/1.1" - - (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET http://localhost:$HGPORT/?cmd=capabilities HTTP/1.1" - - (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET http://localhost:$HGPORT/?cmd=capabilities HTTP/1.1" - - (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET http://localhost:$HGPORT/?cmd=capabilities HTTP/1.1" - - (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D (glob)
-  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=batch HTTP/1.1" - - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET http://localhost:$HGPORT/?cmd=getbundle HTTP/1.1" - - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=83180e7845de420a1bb46896fd5fe05294f8d629&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
--- a/tests/test-http.t	Sat Dec 24 15:21:46 2016 -0700
+++ b/tests/test-http.t	Sat Dec 24 15:22:18 2016 -0700
@@ -229,63 +229,63 @@
 
   $ sed 's/.*] "/"/' < ../access.log
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=branchmap HTTP/1.1" 200 -
-  "GET /?cmd=stream_out HTTP/1.1" 401 -
-  "GET /?cmd=stream_out HTTP/1.1" 200 -
-  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D5fed3813f7f5e1824344fdc9cf8f63bb662c292d
-  "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=0&common=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&listkeys=phases%2Cbookmarks
+  "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=stream_out HTTP/1.1" 401 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=stream_out HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D5fed3813f7f5e1824344fdc9cf8f63bb662c292d x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=0&common=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D
-  "GET /?cmd=getbundle HTTP/1.1" 401 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&listkeys=phases%2Cbookmarks
-  "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&listkeys=phases%2Cbookmarks
+  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=getbundle HTTP/1.1" 401 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=0000000000000000000000000000000000000000&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&listkeys=phases%2Cbookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces
-  "GET /?cmd=listkeys HTTP/1.1" 403 - x-hgarg-1:namespace=namespaces
+  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 403 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D7f4e523d01f2cc3765ac8934da3d14db775ff872
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=phases
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
-  "GET /?cmd=branchmap HTTP/1.1" 200 -
-  "GET /?cmd=branchmap HTTP/1.1" 200 -
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D7f4e523d01f2cc3765ac8934da3d14db775ff872 x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   "POST /?cmd=unbundle HTTP/1.1" 200 - x-hgarg-1:heads=666f726365* (glob)
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
 
   $ cd ..
 
--- a/tests/test-largefiles-wireproto.t	Sat Dec 24 15:21:46 2016 -0700
+++ b/tests/test-largefiles-wireproto.t	Sat Dec 24 15:22:18 2016 -0700
@@ -347,7 +347,7 @@
   searching 2 changesets for largefiles
   verified existence of 2 revisions of 2 largefiles
   $ tail -1 access.log
-  127.0.0.1 - - [*] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=statlfile+sha%3D972a1a11f19934401291cc99117ec614933374ce%3Bstatlfile+sha%3Dc801c9cfe94400963fcb683246217d5db77f9a9a (glob)
+  127.0.0.1 - - [*] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=statlfile+sha%3D972a1a11f19934401291cc99117ec614933374ce%3Bstatlfile+sha%3Dc801c9cfe94400963fcb683246217d5db77f9a9a x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   $ hg -R batchverifyclone update
   getting changed largefiles
   2 largefiles updated, 0 removed
@@ -384,7 +384,7 @@
   searching 3 changesets for largefiles
   verified existence of 3 revisions of 3 largefiles
   $ tail -1 access.log
-  127.0.0.1 - - [*] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=statlfile+sha%3Dc8559c3c9cfb42131794b7d8009230403b9b454c (glob)
+  127.0.0.1 - - [*] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=statlfile+sha%3Dc8559c3c9cfb42131794b7d8009230403b9b454c x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
 
   $ killdaemons.py
 
--- a/tests/test-setdiscovery.t	Sat Dec 24 15:21:46 2016 -0700
+++ b/tests/test-setdiscovery.t	Sat Dec 24 15:22:18 2016 -0700
@@ -349,9 +349,9 @@
   $ killdaemons.py
   $ cut -d' ' -f6- access.log | grep -v cmd=known # cmd=known uses random sampling
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D513314ca8b3ae4dac8eec56966265b00fcf866db
-  "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=513314ca8b3ae4dac8eec56966265b00fcf866db&heads=e64a39e7da8b0d54bc63e81169aff001c13b3477
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
+  "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D513314ca8b3ae4dac8eec56966265b00fcf866db x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bundlecaps=HG20%2Cbundle2%3DHG20%250Achangegroup%253D01%252C02%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps&cg=1&common=513314ca8b3ae4dac8eec56966265b00fcf866db&heads=e64a39e7da8b0d54bc63e81169aff001c13b3477 x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   $ cat errors.log
 
   $ cd ..
--- a/tests/test-treediscovery.t	Sat Dec 24 15:21:46 2016 -0700
+++ b/tests/test-treediscovery.t	Sat Dec 24 15:22:18 2016 -0700
@@ -505,32 +505,32 @@
   $ cd ..
   $ tstop show
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=heads HTTP/1.1" 200 -
-  "GET /?cmd=branches HTTP/1.1" 200 - x-hgarg-1:nodes=d8f638ac69e9ae8dea4f09f11d696546a912d961
-  "GET /?cmd=between HTTP/1.1" 200 - x-hgarg-1:pairs=d8f638ac69e9ae8dea4f09f11d696546a912d961-d57206cc072a18317c1e381fb60aa31bd3401785
-  "GET /?cmd=changegroupsubset HTTP/1.1" 200 - x-hgarg-1:bases=d8f638ac69e9ae8dea4f09f11d696546a912d961&heads=d8f638ac69e9ae8dea4f09f11d696546a912d961
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
+  "GET /?cmd=heads HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=branches HTTP/1.1" 200 - x-hgarg-1:nodes=d8f638ac69e9ae8dea4f09f11d696546a912d961 x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=between HTTP/1.1" 200 - x-hgarg-1:pairs=d8f638ac69e9ae8dea4f09f11d696546a912d961-d57206cc072a18317c1e381fb60aa31bd3401785 x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=changegroupsubset HTTP/1.1" 200 - x-hgarg-1:bases=d8f638ac69e9ae8dea4f09f11d696546a912d961&heads=d8f638ac69e9ae8dea4f09f11d696546a912d961 x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=heads HTTP/1.1" 200 -
-  "GET /?cmd=branches HTTP/1.1" 200 - x-hgarg-1:nodes=d8f638ac69e9ae8dea4f09f11d696546a912d961
-  "GET /?cmd=between HTTP/1.1" 200 - x-hgarg-1:pairs=d8f638ac69e9ae8dea4f09f11d696546a912d961-d57206cc072a18317c1e381fb60aa31bd3401785
+  "GET /?cmd=heads HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=branches HTTP/1.1" 200 - x-hgarg-1:nodes=d8f638ac69e9ae8dea4f09f11d696546a912d961 x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=between HTTP/1.1" 200 - x-hgarg-1:pairs=d8f638ac69e9ae8dea4f09f11d696546a912d961-d57206cc072a18317c1e381fb60aa31bd3401785 x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
-  "GET /?cmd=heads HTTP/1.1" 200 -
-  "GET /?cmd=branches HTTP/1.1" 200 - x-hgarg-1:nodes=d8f638ac69e9ae8dea4f09f11d696546a912d961
-  "GET /?cmd=between HTTP/1.1" 200 - x-hgarg-1:pairs=d8f638ac69e9ae8dea4f09f11d696546a912d961-d57206cc072a18317c1e381fb60aa31bd3401785
-  "GET /?cmd=changegroupsubset HTTP/1.1" 200 - x-hgarg-1:bases=d8f638ac69e9ae8dea4f09f11d696546a912d961&heads=d8f638ac69e9ae8dea4f09f11d696546a912d961
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=heads HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=branches HTTP/1.1" 200 - x-hgarg-1:nodes=d8f638ac69e9ae8dea4f09f11d696546a912d961 x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=between HTTP/1.1" 200 - x-hgarg-1:pairs=d8f638ac69e9ae8dea4f09f11d696546a912d961-d57206cc072a18317c1e381fb60aa31bd3401785 x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=changegroupsubset HTTP/1.1" 200 - x-hgarg-1:bases=d8f638ac69e9ae8dea4f09f11d696546a912d961&heads=d8f638ac69e9ae8dea4f09f11d696546a912d961 x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=heads HTTP/1.1" 200 -
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
-  "GET /?cmd=branchmap HTTP/1.1" 200 -
-  "GET /?cmd=branchmap HTTP/1.1" 200 -
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks
+  "GET /?cmd=heads HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
   "POST /?cmd=unbundle HTTP/1.1" 200 - x-hgarg-1:heads=686173686564+1827a5bb63e602382eb89dd58f2ac9f3b007ad91* (glob)
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=heads HTTP/1.1" 200 -
+  "GET /?cmd=heads HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=heads HTTP/1.1" 200 -
+  "GET /?cmd=heads HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=zstd,zlib,none,bzip2
--- a/tests/test-wireproto.t	Sat Dec 24 15:21:46 2016 -0700
+++ b/tests/test-wireproto.t	Sat Dec 24 15:22:18 2016 -0700
@@ -94,23 +94,23 @@
   * - - [*] "POST /?cmd=debugwireargs HTTP/1.1" 200 - x-hgargs-post:1033* (glob)
   * - - [*] "POST /?cmd=debugwireargs HTTP/1.1" 200 - x-hgargs-post:1033* (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=quatre&one=un&three=trois&two=deux (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=quatre&one=un&three=trois&two=deux (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=quatre&one=un&three=trois&two=deux x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=quatre&one=un&three=trois&two=deux x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=qu++atre&one=+un&three=trois+&two=deux (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=qu++atre&one=+un&three=trois+&two=deux (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=qu++atre&one=+un&three=trois+&two=deux x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=qu++atre&one=+un&three=trois+&two=deux x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=vier&one=eins&two=zwei (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=vier&one=eins&two=zwei (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=vier&one=eins&two=zwei x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=vier&one=eins&two=zwei x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:one=eins&two=zwei (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:one=eins&two=zwei (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:one=eins&two=zwei x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:one=eins&two=zwei x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:one=eins&two=zwei (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:one=eins&two=zwei (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:one=eins&two=zwei x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:one=eins&two=zwei x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=onethousandcharactersxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&one x-hgarg-2:=un&three=trois&two=deux (glob)
-  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=onethousandcharactersxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&one x-hgarg-2:=un&three=trois&two=deux (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=onethousandcharactersxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&one x-hgarg-2:=un&three=trois&two=deux x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs HTTP/1.1" 200 - x-hgarg-1:four=onethousandcharactersxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&one x-hgarg-2:=un&three=trois&two=deux x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
 
 HTTP without the httpheader capability:
 
@@ -133,17 +133,17 @@
   $ cat error2.log
   $ cat access2.log
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs&four=quatre&one=un&three=trois&two=deux HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs&four=quatre&one=un&three=trois&two=deux HTTP/1.1" 200 - (glob)
+  * - - [*] "GET /?cmd=debugwireargs&four=quatre&one=un&three=trois&two=deux HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs&four=quatre&one=un&three=trois&two=deux HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs&four=vier&one=eins&two=zwei HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs&four=vier&one=eins&two=zwei HTTP/1.1" 200 - (glob)
+  * - - [*] "GET /?cmd=debugwireargs&four=vier&one=eins&two=zwei HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs&four=vier&one=eins&two=zwei HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs&one=eins&two=zwei HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs&one=eins&two=zwei HTTP/1.1" 200 - (glob)
+  * - - [*] "GET /?cmd=debugwireargs&one=eins&two=zwei HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs&one=eins&two=zwei HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
   * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs&one=eins&two=zwei HTTP/1.1" 200 - (glob)
-  * - - [*] "GET /?cmd=debugwireargs&one=eins&two=zwei HTTP/1.1" 200 - (glob)
+  * - - [*] "GET /?cmd=debugwireargs&one=eins&two=zwei HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
+  * - - [*] "GET /?cmd=debugwireargs&one=eins&two=zwei HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=*zlib,none,bzip2 (glob)
 
 SSH (try to exercise the ssh functionality with a dummy script):