$ git clone -n https://src.fedoraproject.org/rpms/libconfig.git /var/lib/mock/f40-build-2293727-56217/root/chroot_tmpdir/scmroot/libconfig
Cloning into '/var/lib/mock/f40-build-2293727-56217/root/chroot_tmpdir/scmroot/libconfig'...
$ git fetch origin d424b8c23a1d312acf9edd9f304b83bd5e5a538b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libconfig
 * [new ref]         d424b8c23a1d312acf9edd9f304b83bd5e5a538b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d424b8c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild