$ git clone -n https://src.fedoraproject.org/rpms/mailprocessing.git /var/lib/mock/f40-build-2702947-70744/root/chroot_tmpdir/scmroot/mailprocessing
Cloning into '/var/lib/mock/f40-build-2702947-70744/root/chroot_tmpdir/scmroot/mailprocessing'...
$ git fetch origin d0275e3f7bbd63a5dcebb304c7a4bbc7e780cd73:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mailprocessing
 * [new ref]         d0275e3f7bbd63a5dcebb304c7a4bbc7e780cd73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0275e3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild