narrow: move the ellipses server capability to core

This will be used in core logic to determining whether a server is ellipses
enabled or not. And also this will ease moving narrow related things to core.

Differential Revision: https://phab.mercurial-scm.org/D4809

hgext/narrow/narrowcommands.py

@@ -32,10 +32,6 b' from mercurial import ('
     wireprotoserver,
 )
 
-from . import (
-    narrowwirepeer,
-)
-
 table = {}
 command = registrar.command(table)
 
@@ -148,7 +144,7 b' def pullbundle2extraprepare(orig, pullop'
     kwargs['excludepats'] = exclude
     # calculate known nodes only in ellipses cases because in non-ellipses cases
     # we have all the nodes
-    if narrowwirepeer.ELLIPSESCAP in pullop.remote.capabilities():
+    if wireprotoserver.ELLIPSESCAP in pullop.remote.capabilities():
         kwargs['known'] = [node.hex(ctx.node()) for ctx in
                            repo.set('::%ln', pullop.common)
                            if ctx.node() != node.nullid]

hgext/narrow/narrowrepo.py

@@ -13,7 +13,6 b' from mercurial import ('
 
 from . import (
     narrowdirstate,
-    narrowwirepeer,
 )
 
 def wraprepo(repo):
@@ -28,7 +27,7 b' def wraprepo(repo):'
         def peer(self):
             peer = super(narrowrepository, self).peer()
             peer._caps.add(wireprotoserver.NARROWCAP)
-            peer._caps.add(narrowwirepeer.ELLIPSESCAP)
+            peer._caps.add(wireprotoserver.ELLIPSESCAP)
             return peer
 
     repo.__class__ = narrowrepository

hgext/narrow/narrowwirepeer.py

@@ -14,8 +14,6 b' from mercurial import ('
     wireprotov1server,
 )
 
-ELLIPSESCAP = 'exp-ellipses-1'
-
 def uisetup():
     extensions.wrapfunction(wireprotov1server, '_capabilities', addnarrowcap)
 
@@ -24,7 +22,7 b' def addnarrowcap(orig, repo, proto):'
     caps = orig(repo, proto)
     caps.append(wireprotoserver.NARROWCAP)
     if repo.ui.configbool('experimental', 'narrowservebrokenellipses'):
-        caps.append(ELLIPSESCAP)
+        caps.append(wireprotoserver.ELLIPSESCAP)
     return caps
 
 def reposetup(repo):

mercurial/wireprotoserver.py

@@ -39,6 +39,7 b" HGTYPE2 = 'application/mercurial-0.2'"
 HGERRTYPE = 'application/hg-error'
 
 NARROWCAP = 'exp-narrow-1'
+ELLIPSESCAP = 'exp-ellipses-1'
 
 SSHV1 = wireprototypes.SSHV1
 SSHV2 = wireprototypes.SSHV2