# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 2015-08-03 13:08:37
# Node ID 5e53d214415d2ccb7e43bdaf6865ea676c827e8c
# Parent  4b92d11e48fe308926fd000fd22e05d48ae0b0ed

histedit: use revset to check if we need to update during abort

The for loop is already quite more complicated than necessary and we are about
to add some logic. Instead, we use a simple revset. Revset laziness should
provide us with similar performance.

diff --git a/hgext/histedit.py b/hgext/histedit.py
--- a/hgext/histedit.py
+++ b/hgext/histedit.py
@@ -791,11 +791,9 @@ def _histedit(ui, repo, state, *freeargs
             os.remove(backupfile)
 
         # check whether we should update away
-        parentnodes = [c.node() for c in repo[None].parents()]
-        for n in leafs | set([state.parentctxnode]):
-            if n in parentnodes:
-                hg.clean(repo, state.topmost)
-                break
+        if repo.unfiltered().revs('parents() and (%n  or %ln)',
+                                  state.parentctxnode, leafs):
+            hg.clean(repo, state.topmost)
         cleanupnode(ui, repo, 'created', tmpnodes)
         cleanupnode(ui, repo, 'temp', leafs)
         state.clear()