diff mercurial/commands.py @ 27899:78b9fdb844c1

graft: warn when -r is combined with revisions as positional arguments

The behaviour in this case is undefined. Instead of silently doing something
"random" and surprising, at least issue a warning.

(This should perhaps be considered a "deprecation" and turned into an error in
a future release.)

--- a/mercurial/commands.py	Sun Jan 17 19:33:02 2016 +0100
+++ b/mercurial/commands.py	Sun Jan 17 19:33:02 2016 +0100
@@ -3889,6 +3889,10 @@
         return _dograft(ui, repo, *revs, **opts)
 
 def _dograft(ui, repo, *revs, **opts):
+    if revs and opts['rev']:
+        ui.warn(_('warning: inconsistent use of --rev might give unexpected '
+                  'revision ordering!\n'))
+
     revs = list(revs)
     revs.extend(opts['rev'])