rebase: use fm.formatlist() and fm.formatdict() to support user template

Thanks to Yuya for suggesting this in D1173.

Differential Revision: https://phab.mercurial-scm.org/D1293

hgext/rebase.py

@@ -21,7 +21,6 b' import os'
 
 from mercurial.i18n import _
 from mercurial.node import (
-    hex,
     nullid,
     nullrev,
     short,
@@ -1563,8 +1562,12 b' def clearrebased(ui, repo, destmap, stat'
                 replacements[oldnode] = succs
     scmutil.cleanupnodes(repo, replacements, 'rebase', moves)
     if fm:
-        nodechanges = {hex(oldn): [hex(n) for n in newn]
-                       for oldn, newn in replacements.iteritems()}
+        hf = fm.hexfunc
+        fl = fm.formatlist
+        fd = fm.formatdict
+        nodechanges = fd({hf(oldn): fl([hf(n) for n in newn], name='node')
+                          for oldn, newn in replacements.iteritems()},
+                         key="oldnode", value="newnodes")
         fm.data(nodechanges=nodechanges)
 
 def pullrebase(orig, ui, repo, *args, **opts):

tests/test-rebase-templates.t

@@ -54,5 +54,4 b' Getting the JSON output for nodechanges'
   
 
   $ hg rebase -s 6 -d 4 -q -T "{nodechanges % '{oldnode}:{newnodes % ' {node} '}'}"
-  d9d6773efc831c274eace04bc13e8e6412517139: f48cd65c6dc3d2acb55da54402a5b029546e546f  (no-eol) (false !)
-  d9d6773efc831c274eace04bc13e8e6412517139 (no-eol)
+  d9d6773efc831c274eace04bc13e8e6412517139: f48cd65c6dc3d2acb55da54402a5b029546e546f  (no-eol)