13 from mercurial.i18n import _

    13 from mercurial.i18n import _

    14 from mercurial.node import hex, nullrev

    14 from mercurial.node import hex, nullrev

    15 from mercurial.utils import stringutil

    15 from mercurial.utils import stringutil

    16 from mercurial import (

    16 from mercurial import (

    17     error,

    17     error,

    18     pycompat,

    19     pycompat,

    19     registrar,

    20     registrar,

    20     scmutil,

    21     scmutil,

    21 )

    22 )

    22 from .convert import convcmd

    23 from .convert import convcmd

   180 

   181 

   181     revs += tuple(opts.get(b"rev", []))

   182     revs += tuple(opts.get(b"rev", []))

   182     if not revs:

   183     if not revs:

   183         revs = scmutil.revrange(repo, [b":"])

   184         revs = scmutil.revrange(repo, [b":"])

   184     else:

   185     else:

   186     if not revs:

   187     if not revs:

   187         raise error.Abort(_(b"no revisions matched"))

   188         raise error.Abort(_(b"no revisions matched"))

   188     authorfile = opts.get(b"authormap")

   189     authorfile = opts.get(b"authormap")

   189     if authorfile:

   190     if authorfile:

   190         authormap = convcmd.readauthormap(ui, authorfile)

   191         authormap = convcmd.readauthormap(ui, authorfile)