$ git clone -n https://src.fedoraproject.org/rpms/mmseq.git /var/lib/mock/f41-build-1037670-18807/root/chroot_tmpdir/scmroot/mmseq
Cloning into '/var/lib/mock/f41-build-1037670-18807/root/chroot_tmpdir/scmroot/mmseq'...
$ git fetch origin 76ff653188b83c67bccf72bdae71fe0da810c0ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mmseq
 * [new ref]         76ff653188b83c67bccf72bdae71fe0da810c0ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76ff653 Eliminate use of obsolete %patchN syntax (#2283636)