The following patch sent by Ben Franksen <email@example.com> updated issue issue2404 with
* resolve issue2404: darcs convert export ignores --repodir
Calling getRepourl makes sense only if we actually allow the command to
operate on a remote repo (which this command never did). Furthermore, the
option was wrong: O.reponame is for cases where you create a new repo.
Instead O.repoDir must be used.