$ git clone -n https://src.fedoraproject.org/rpms/sloccount.git /var/lib/mock/f41-build-side-1-2669978-28990/root/chroot_tmpdir/scmroot/sloccount
Cloning into '/var/lib/mock/f41-build-side-1-2669978-28990/root/chroot_tmpdir/scmroot/sloccount'...
$ git fetch origin 380e6b0918be3a3a4dd581af1ee93b556516adcf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sloccount
 * [new ref]         380e6b0918be3a3a4dd581af1ee93b556516adcf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 380e6b0 convert GPLv2+ license to SPDX