$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-jupyterkernel.git /var/lib/mock/f45-build-9516-405/root/chroot_tmpdir/scmroot/gap-pkg-jupyterkernel
Cloning into '/var/lib/mock/f45-build-9516-405/root/chroot_tmpdir/scmroot/gap-pkg-jupyterkernel'...
$ git fetch origin 2e21633d96113333d787d273c16bd3a1795e149e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-jupyterkernel
 * [new ref]         2e21633d96113333d787d273c16bd3a1795e149e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e21633 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild