$ git clone -n https://src.fedoraproject.org/rpms/mac.git /var/lib/mock/f40-build-797508-141359/root/chroot_tmpdir/scmroot/mac
Cloning into '/var/lib/mock/f40-build-797508-141359/root/chroot_tmpdir/scmroot/mac'...
$ git fetch origin d39a023c989da0c75974ebe164af713cb71aca6b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mac
 * [new ref]         d39a023c989da0c75974ebe164af713cb71aca6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d39a023 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild