debugrevspec: show nesting structure of smartsets if verbose This shows how smartsets are constructed from the query. It will be somewhat useful to track problems such as stack overflow.

revset: add __repr__ to all smartset classes This is sometimes useful for debugging.

status: add relative directory help text (issue3835) Previously, it was difficult to find out how to display the status of files relative to your current working directory. This patch adds that knowledge to the help text.

diff: rename --relative option to --root The diff output format is unable to express files outside the directory so it makes sense to name this option --root instead of --relative.