# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2015-12-24 18:16:30
# Node ID d13bcc9fd656f04422e10f3015a04cabd4f822d8
# Parent  b5b54825de6ba111090c91c45963c75346a7a797

destutil: use scmutil.revrange for desthistedit (issue5001)

This allows user aliases to be expanded. It also prevents the
user-provided revset from being treated as a revset expression.

diff --git a/mercurial/destutil.py b/mercurial/destutil.py
--- a/mercurial/destutil.py
+++ b/mercurial/destutil.py
@@ -205,9 +205,12 @@ histeditdefaultrevset = 'reverse(only(.)
 
 def desthistedit(ui, repo):
     """Default base revision to edit for `hg histedit`."""
+    # Avoid cycle: scmutil -> revset -> destutil
+    from . import scmutil
+
     default = ui.config('histedit', 'defaultrev', histeditdefaultrevset)
     if default:
-        revs = repo.revs(default)
+        revs = scmutil.revrange(repo, [default])
         if revs:
             # The revset supplied by the user may not be in ascending order nor
             # take the first revision. So do this manually.