record: simplify header methods with util.any

record: refactor the prompt loop The previous loop was iterating over a mixed header/hunk stream. It may have been more generic in the sense every item in the stream could trigger a prompt but it required more work to skip items properly. It can be rewritten in a more intuitive way by looping on files then looping on hunks.

test-record: test peculiar changes numbering

record: turn prompt() into a pure function

record: turn consumefile() into a pure function

hghave: remove unused hotshot check

Merge with stable

subrepo: compare svn subrepo state to last committed revision A subversion project revisions are a subset of the repository revisions, you can ask subversion to update a working directory from one revision to another without changing anything. Unfortunately, Mercurial will think the subrepository has changed and will commit it again. To avoid useless commits, we compare the subrepository state to its actual "parent" revision. To ensure ascending compatibility with existing subrepositories which might reference fake revisions, we also keep comparing with the subrepo working directory revision. NOTE: not sure if this should go in stable or not.