$ git clone -n https://src.fedoraproject.org/rpms/ga.git /var/lib/mock/f41-build-side-1-2672240-29192/root/chroot_tmpdir/scmroot/ga
Cloning into '/var/lib/mock/f41-build-side-1-2672240-29192/root/chroot_tmpdir/scmroot/ga'...
$ git fetch origin 1f0e402029751daf5ecb1bee6a7196812ffecf0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ga
 * [new ref]         1f0e402029751daf5ecb1bee6a7196812ffecf0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f0e402 convert license to SPDX