$ git clone -n https://src.fedoraproject.org/rpms/plasma-disks.git /var/lib/mock/f41-build-851495-165983/root/chroot_tmpdir/scmroot/plasma-disks
Cloning into '/var/lib/mock/f41-build-851495-165983/root/chroot_tmpdir/scmroot/plasma-disks'...
$ git fetch origin b60225a86955ba5fecf1c3c66cc7223ad4292a5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-disks
 * [new ref]         b60225a86955ba5fecf1c3c66cc7223ad4292a5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b60225a 6.1.90