$ git clone -n https://src.fedoraproject.org/rpms/plasma-nano.git /var/lib/mock/f41-build-854718-166949/root/chroot_tmpdir/scmroot/plasma-nano
Cloning into '/var/lib/mock/f41-build-854718-166949/root/chroot_tmpdir/scmroot/plasma-nano'...
$ git fetch origin 532a396a028ecb2b3275a643affdbe236e0d2feb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nano
 * [new ref]         532a396a028ecb2b3275a643affdbe236e0d2feb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 532a396 6.1.90