$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-jupyterkernel.git /var/lib/mock/f40-build-2292369-56127/root/chroot_tmpdir/scmroot/gap-pkg-jupyterkernel
Cloning into '/var/lib/mock/f40-build-2292369-56127/root/chroot_tmpdir/scmroot/gap-pkg-jupyterkernel'...
$ git fetch origin 81bb17d96554c56b3f4f5c0b3badd558a183828e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-jupyterkernel
 * [new ref]         81bb17d96554c56b3f4f5c0b3badd558a183828e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81bb17d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild