$ git clone -n https://src.fedoraproject.org/rpms/perl-Catalyst-Model-XMLRPC.git /var/lib/mock/f41-build-1250798-22988/root/chroot_tmpdir/scmroot/perl-Catalyst-Model-XMLRPC
Cloning into '/var/lib/mock/f41-build-1250798-22988/root/chroot_tmpdir/scmroot/perl-Catalyst-Model-XMLRPC'...
$ git fetch origin bb49b0c66015b2abddb13f5a0ade053ed116c503:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Catalyst-Model-XMLRPC
 * [new ref]         bb49b0c66015b2abddb13f5a0ade053ed116c503 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb49b0c Eliminate use of obsolete %patchN syntax (#2283636)