$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-WikiConverter.git /var/lib/mock/f41-build-766266-13472/root/chroot_tmpdir/scmroot/perl-HTML-WikiConverter
Cloning into '/var/lib/mock/f41-build-766266-13472/root/chroot_tmpdir/scmroot/perl-HTML-WikiConverter'...
$ git fetch origin 9cfd3420343a359416b6b71d8724ca21b5373d48:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-WikiConverter
 * [new ref]         9cfd3420343a359416b6b71d8724ca21b5373d48 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9cfd342 Eliminate use of obsolete %patchN syntax (#2283636)