$ git clone -n https://src.fedoraproject.org/rpms/perl-JSON-Pointer.git /var/lib/mock/f40-build-2305319-57078/root/chroot_tmpdir/scmroot/perl-JSON-Pointer
Cloning into '/var/lib/mock/f40-build-2305319-57078/root/chroot_tmpdir/scmroot/perl-JSON-Pointer'...
$ git fetch origin df5168b00f3470244dfa8d9e9c8b93a8d4b560aa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-JSON-Pointer
 * [new ref]         df5168b00f3470244dfa8d9e9c8b93a8d4b560aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df5168b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild