$ git clone -n https://src.fedoraproject.org/rpms/ndppd.git /var/lib/mock/f39-build-1577933-37983/root/chroot_tmpdir/scmroot/ndppd
Cloning into '/var/lib/mock/f39-build-1577933-37983/root/chroot_tmpdir/scmroot/ndppd'...
$ git fetch origin 599a6e19e3f8ce2efc8accba77e8ae107e695241:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ndppd
 * [new ref]         599a6e19e3f8ce2efc8accba77e8ae107e695241 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 599a6e1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild