# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2018-08-21 22:33:11
# Node ID a5de21c9e3703f8e8eb064bd7d893ff2f703c66a
# Parent  ee7ee0c516ca9dfadbda5825635c23ed19f19286

httppeer: expose capabilities for each command

This will help code using peers to sniff out exactly what servers
support.

Differential Revision: https://phab.mercurial-scm.org/D4436

diff --git a/mercurial/httppeer.py b/mercurial/httppeer.py
--- a/mercurial/httppeer.py
+++ b/mercurial/httppeer.py
@@ -805,6 +805,10 @@ class httpv2peer(object):
         if name in ('bundle2',):
             return True
 
+        # Alias command-* to presence of command of that name.
+        if name.startswith('command-'):
+            return name[len('command-'):] in self._descriptor['commands']
+
         return False
 
     def requirecap(self, name, purpose):