$ git clone -n https://src.fedoraproject.org/rpms/kf5-plasma.git /var/lib/mock/f40-build-2087064-50150/root/chroot_tmpdir/scmroot/kf5-plasma
Cloning into '/var/lib/mock/f40-build-2087064-50150/root/chroot_tmpdir/scmroot/kf5-plasma'...
$ git fetch origin 770500660520392ac252f0bffa6c2f952e275a10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-plasma
 * [new ref]         770500660520392ac252f0bffa6c2f952e275a10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7705006 5.113.0