$ git clone -n https://src.fedoraproject.org/rpms/kf5-plasma.git /var/lib/mock/f38-build-side-42-init-devel-590511-26120/root/chroot_tmpdir/scmroot/kf5-plasma
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-590511-26120/root/chroot_tmpdir/scmroot/kf5-plasma'...
$ git fetch origin 7d77a2088e59537b6c518104545ba1c0464fd028:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-plasma
 * [new ref]         7d77a2088e59537b6c518104545ba1c0464fd028 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d77a20 5.104.0 re-spin