$ git clone -n https://src.fedoraproject.org/rpms/python-hatch-jupyter-builder.git /var/lib/mock/f40-build-2231308-53270/root/chroot_tmpdir/scmroot/python-hatch-jupyter-builder
Cloning into '/var/lib/mock/f40-build-2231308-53270/root/chroot_tmpdir/scmroot/python-hatch-jupyter-builder'...
$ git fetch origin 9eb2cfa8e50e0fa4cc138b2dee5621416ccba260:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-hatch-jupyter-builder
 * [new ref]         9eb2cfa8e50e0fa4cc138b2dee5621416ccba260 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9eb2cfa Don't use tomli, use tomllib from the Python 3.11+ standard library