$ git clone -n https://src.fedoraproject.org/rpms/python-rstcheck-core.git /var/lib/mock/f41-build-side-1-2937465-35277/root/chroot_tmpdir/scmroot/python-rstcheck-core
Cloning into '/var/lib/mock/f41-build-side-1-2937465-35277/root/chroot_tmpdir/scmroot/python-rstcheck-core'...
$ git fetch origin 821be67de34c2b9d6b08a0bc175eff34cb2a0c9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rstcheck-core
 * [new ref]         821be67de34c2b9d6b08a0bc175eff34cb2a0c9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 821be67 feat: v1.2.1 (fixes rh#2238165)