copy/rename to a removed destination file When the destination of a copy or rename operation has been marked for removal, we need to restore it before we overwrite it with the new content. This also handles the case of idempotent renames, i.e. hg rename "a" "b" hg rename "b" "a"

Catch urllib errors for old-http in a nicer way.

Really fix bash_completion on Solaris. Maybe. Hopefully. Use substr instead of sub.