--- a/hgext/histedit.py Mon Oct 15 00:05:16 2012 +0200
+++ b/hgext/histedit.py Sun Oct 14 23:58:02 2012 +0200
@@ -455,6 +455,9 @@
keep = opts.get('keep', False)
revs = between(repo, parent, topmost, keep)
+ if not revs:
+ ui.warn(_('nothing to edit\n'))
+ return 1
ctxs = [repo[r] for r in revs]
rules = opts.get('commands', '')
@@ -588,7 +591,7 @@
When keep is false, the specified set can't have children."""
ctxs = list(repo.set('%n::%n', old, new))
- if not keep:
+ if ctxs and not keep:
if repo.revs('(%ld::) - (%ld + hidden())', ctxs, ctxs):
raise util.Abort(_('cannot edit history that would orphan nodes'))
root = min(ctxs)