bookmarks: allow moving a bookmark forward to a descendant...
bookmarks: allow moving a bookmark forward to a descendant
Allow 'hg bookmark MARK', with an existing bookmark MARK, to move the
bookmark forward to the current or specified revision, if the target
revision is a descendant of the revision the bookmark currently points
to. Prints a status message including the revision the bookmark was
formerly at:
$ hg bookmark Z
moving bookmark 'Z' forward from
663762316562
Test coverage is added.