$ git clone -n https://src.fedoraproject.org/rpms/step.git /var/lib/mock/f40-build-2374201-60416/root/chroot_tmpdir/scmroot/step
Cloning into '/var/lib/mock/f40-build-2374201-60416/root/chroot_tmpdir/scmroot/step'...
$ git fetch origin 4928c9ce61f01ee1104d3fe7b997acb19f712023:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/step
 * [new ref]         4928c9ce61f01ee1104d3fe7b997acb19f712023 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4928c9c 24.01.95