$ git clone -n https://src.fedoraproject.org/rpms/nacl.git /var/lib/mock/f40-build-790111-136312/root/chroot_tmpdir/scmroot/nacl
Cloning into '/var/lib/mock/f40-build-790111-136312/root/chroot_tmpdir/scmroot/nacl'...
$ git fetch origin f2882a2d03337c4bb55d7b28837c797f100d0956:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nacl
 * [new ref]         f2882a2d03337c4bb55d7b28837c797f100d0956 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2882a2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild