# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 1492146724 25200
# Node ID 511a62669f1b0a9be906ce6dd5f59ddbedcada94
# Parent  aa836f56c3ccf5c10868a226df69c830d77410fc
phases: emit phases to pushkey protocol in deterministic order

An upcoming test will report exact bytes sent over the wire protocol.
Without this change, the ordering of phases listkey data is
non-deterministic.

diff -r aa836f56c3cc -r 511a62669f1b mercurial/phases.py
--- a/mercurial/phases.py	Thu Apr 13 18:04:38 2017 -0700
+++ b/mercurial/phases.py	Thu Apr 13 22:12:04 2017 -0700
@@ -116,6 +116,7 @@
     error,
     smartset,
     txnutil,
+    util,
 )
 
 allphases = public, draft, secret = range(3)
@@ -386,7 +387,8 @@
 
 def listphases(repo):
     """List phases root for serialization over pushkey"""
-    keys = {}
+    # Use ordered dictionary so behavior is deterministic.
+    keys = util.sortdict()
     value = '%i' % draft
     for root in repo._phasecache.phaseroots[draft]:
         keys[hex(root)] = value