$ git clone -n https://src.fedoraproject.org/rpms/plasma5support.git /var/lib/mock/f40-build-792280-138328/root/chroot_tmpdir/scmroot/plasma5support
Cloning into '/var/lib/mock/f40-build-792280-138328/root/chroot_tmpdir/scmroot/plasma5support'...
$ git fetch origin ee277dab7523ac495bf8b7ca2fc4454d26c9f84b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma5support
 * [new ref]         ee277dab7523ac495bf8b7ca2fc4454d26c9f84b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee277da 6.0.2