narrow: move the wireprotocol narrow capability name to core

narrow: move the wireprotocol narrow capability name to core

We are trying to integrate the whole of narrow logic into core and it will be
helpful for upcoming patches to have these capability names in core. The next
patch will move the ellipses capability to core also.

The exact motivation is to know whether we are cloning a ellipses repo or not
and adding an ellipses repo requirement.

Differential Revision: https://phab.mercurial-scm.org/D4808

--- a/hgext/narrow/narrowcommands.py	Sun Sep 30 16:11:35 2018 +0900
+++ b/hgext/narrow/narrowcommands.py	Sun Sep 30 03:42:35 2018 +0530
@@ -29,6 +29,7 @@
     repoview,
     sparse,
     util,
+    wireprotoserver,
 )
 
 from . import (
@@ -136,7 +137,7 @@
     if repository.NARROW_REQUIREMENT not in repo.requirements:
         return orig(pullop, kwargs)
 
-    if narrowwirepeer.NARROWCAP not in pullop.remote.capabilities():
+    if wireprotoserver.NARROWCAP not in pullop.remote.capabilities():
         raise error.Abort(_("server doesn't support narrow clones"))
     orig(pullop, kwargs)
     kwargs['narrow'] = True

--- a/hgext/narrow/narrowrepo.py	Sun Sep 30 16:11:35 2018 +0900
+++ b/hgext/narrow/narrowrepo.py	Sun Sep 30 03:42:35 2018 +0530
@@ -7,6 +7,10 @@
 
 from __future__ import absolute_import
 
+from mercurial import (
+    wireprotoserver,
+)
+
 from . import (
     narrowdirstate,
     narrowwirepeer,
@@ -23,7 +27,7 @@
 
         def peer(self):
             peer = super(narrowrepository, self).peer()
-            peer._caps.add(narrowwirepeer.NARROWCAP)
+            peer._caps.add(wireprotoserver.NARROWCAP)
             peer._caps.add(narrowwirepeer.ELLIPSESCAP)
             return peer
 

--- a/hgext/narrow/narrowwirepeer.py	Sun Sep 30 16:11:35 2018 +0900
+++ b/hgext/narrow/narrowwirepeer.py	Sun Sep 30 03:42:35 2018 +0530
@@ -10,10 +10,10 @@
 from mercurial import (
     extensions,
     hg,
+    wireprotoserver,
     wireprotov1server,
 )
 
-NARROWCAP = 'exp-narrow-1'
 ELLIPSESCAP = 'exp-ellipses-1'
 
 def uisetup():
@@ -22,7 +22,7 @@
 def addnarrowcap(orig, repo, proto):
     """add the narrow capability to the server"""
     caps = orig(repo, proto)
-    caps.append(NARROWCAP)
+    caps.append(wireprotoserver.NARROWCAP)
     if repo.ui.configbool('experimental', 'narrowservebrokenellipses'):
         caps.append(ELLIPSESCAP)
     return caps

--- a/mercurial/wireprotoserver.py	Sun Sep 30 16:11:35 2018 +0900
+++ b/mercurial/wireprotoserver.py	Sun Sep 30 03:42:35 2018 +0530
@@ -38,6 +38,8 @@
 HGTYPE2 = 'application/mercurial-0.2'
 HGERRTYPE = 'application/hg-error'
 
+NARROWCAP = 'exp-narrow-1'
+
 SSHV1 = wireprototypes.SSHV1
 SSHV2 = wireprototypes.SSHV2