$ git clone -n https://src.fedoraproject.org/rpms/perl-Best.git /var/lib/mock/f41-build-1280416-23185/root/chroot_tmpdir/scmroot/perl-Best
Cloning into '/var/lib/mock/f41-build-1280416-23185/root/chroot_tmpdir/scmroot/perl-Best'...
$ git fetch origin eeff68501a6c2280ff895415f099a75a14edb476:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Best
 * [new ref]         eeff68501a6c2280ff895415f099a75a14edb476 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eeff685 Eliminate use of obsolete %patchN syntax (#2283636)