$ git clone -n https://src.fedoraproject.org/rpms/linux-system-roles.git /var/lib/mock/f41-build-side-1-2820906-33187/root/chroot_tmpdir/scmroot/linux-system-roles
Cloning into '/var/lib/mock/f41-build-side-1-2820906-33187/root/chroot_tmpdir/scmroot/linux-system-roles'...
$ git fetch origin 0d52f7df6d0544e94e87f9a584ca00237a807e2f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/linux-system-roles
 * [new ref]         0d52f7df6d0544e94e87f9a584ca00237a807e2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d52f7d Update to 1.88.9 upstream release