$ git clone -n https://src.fedoraproject.org/rpms/spamass-milter.git /var/lib/mock/f40-build-791653-137676/root/chroot_tmpdir/scmroot/spamass-milter
Cloning into '/var/lib/mock/f40-build-791653-137676/root/chroot_tmpdir/scmroot/spamass-milter'...
$ git fetch origin b7746c3926320038f395a0b496b9c98f2065717c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spamass-milter
 * [new ref]         b7746c3926320038f395a0b496b9c98f2065717c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7746c3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild