# HG changeset patch
# User Sean Farley <sean.michael.farley@gmail.com>
# Date 1389830113 21600
# Node ID 2cfb720592feb329eb5597100c3fc5dd48bafb15
# Parent  67ee87a371b21d769c9ecd4cf0a1854176664d51
commands: use bookmarks.validdest instead of duplicating logic

Now that bookmarks.py has grown a validdest method that even handles successor
changesets, we use that instead of duplicating the logic in commands.py

diff -r 67ee87a371b2 -r 2cfb720592fe mercurial/commands.py
--- a/mercurial/commands.py	Wed Jan 15 17:48:48 2014 -0600
+++ b/mercurial/commands.py	Wed Jan 15 17:55:13 2014 -0600
@@ -847,12 +847,10 @@
                     bookmarks.deletedivergent(repo, [target], mark)
                     return
 
-                # consider successor changesets as well
-                foreground = obsolete.foreground(repo, [marks[mark]])
                 deletefrom = [b for b in divs
                               if repo[b].rev() in anc or b == target]
                 bookmarks.deletedivergent(repo, deletefrom, mark)
-                if bmctx.rev() in anc or target in foreground:
+                if bookmarks.validdest(repo, bmctx, repo[target]):
                     ui.status(_("moving bookmark '%s' forward from %s\n") %
                               (mark, short(bmctx.node())))
                     return