$ git clone -n https://src.fedoraproject.org/rpms/linux-system-roles.git /var/lib/mock/f41-build-side-1-3069967-38786/root/chroot_tmpdir/scmroot/linux-system-roles
Cloning into '/var/lib/mock/f41-build-side-1-3069967-38786/root/chroot_tmpdir/scmroot/linux-system-roles'...
$ git fetch origin bee7130e7c24745e64bb8913b2fe1b80be8dd1f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/linux-system-roles
 * [new ref]         bee7130e7c24745e64bb8913b2fe1b80be8dd1f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bee7130 Update to 1.89.1 upstream release