$ git clone -n https://src.fedoraproject.org/rpms/rust-pnet_datalink.git /var/lib/mock/f40-build-2038700-48202/root/chroot_tmpdir/scmroot/rust-pnet_datalink
Cloning into '/var/lib/mock/f40-build-2038700-48202/root/chroot_tmpdir/scmroot/rust-pnet_datalink'...
$ git fetch origin bc461ef4b41d0c9cafd3a87874db95b4b7b7dbd0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pnet_datalink
 * [new ref]         bc461ef4b41d0c9cafd3a87874db95b4b7b7dbd0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc461ef Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild