$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-jupyterkernel.git /var/lib/mock/f39-build-1800869-41796/root/chroot_tmpdir/scmroot/gap-pkg-jupyterkernel
Cloning into '/var/lib/mock/f39-build-1800869-41796/root/chroot_tmpdir/scmroot/gap-pkg-jupyterkernel'...
$ git fetch origin 671ef28a17a3105569aa7e291deb7b560b4e1b7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-jupyterkernel
 * [new ref]         671ef28a17a3105569aa7e291deb7b560b4e1b7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 671ef28 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild