Change sshrepo.repoerror() into a more flexible sshrepo.raise_().
Now every exception can be raised with a cleanup, not only hg.RepoError.
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
adding b
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
adding b