bookmarks: Add -B option to incoming/outgoing to compare bookmarks
We add a -B/--bookmarks option to hg incmoing and hg outgoing. If the option
is passed we compare bookmarks instead of changesets. This can be used
to see which bookmarks do not exists on the remote site.
% change the id of the tree root
initializing destination source-hg repository
scanning source...
sorting...
converting...
1 Initial add
0 Changed root
% manifest of tip
644 file