$ git clone -n https://src.fedoraproject.org/rpms/kf5-plasma.git /var/lib/mock/f40-build-743709-111387/root/chroot_tmpdir/scmroot/kf5-plasma
Cloning into '/var/lib/mock/f40-build-743709-111387/root/chroot_tmpdir/scmroot/kf5-plasma'...
$ git fetch origin ac5500ba392fb9ea889b8a07facb9b38016309e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-plasma
 * [new ref]         ac5500ba392fb9ea889b8a07facb9b38016309e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac5500b Don't provide the plasma-frameworks name for Plasma 6