$ git clone -n https://src.fedoraproject.org/rpms/rpm-local-generator-support.git /var/lib/mock/f41-build-side-1-2824953-33352/root/chroot_tmpdir/scmroot/rpm-local-generator-support
Cloning into '/var/lib/mock/f41-build-side-1-2824953-33352/root/chroot_tmpdir/scmroot/rpm-local-generator-support'...
$ git fetch origin 624514e36c65254821fac6f5be043c6d01cd1b9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpm-local-generator-support
 * [new ref]         624514e36c65254821fac6f5be043c6d01cd1b9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 624514e convert GPLv2+ license to SPDX