$ git clone -n https://src.fedoraproject.org/rpms/mailprocessing.git /var/lib/mock/f40-build-2296826-56417/root/chroot_tmpdir/scmroot/mailprocessing
Cloning into '/var/lib/mock/f40-build-2296826-56417/root/chroot_tmpdir/scmroot/mailprocessing'...
$ git fetch origin 886deb202bdab8ce0657af6b8668aabcbaf9ab25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mailprocessing
 * [new ref]         886deb202bdab8ce0657af6b8668aabcbaf9ab25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 886deb2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild