$ git clone -n https://src.fedoraproject.org/rpms/kf5-kfilemetadata.git /var/lib/mock/f40-build-2296253-56376/root/chroot_tmpdir/scmroot/kf5-kfilemetadata
Cloning into '/var/lib/mock/f40-build-2296253-56376/root/chroot_tmpdir/scmroot/kf5-kfilemetadata'...
$ git fetch origin 9b0a57c045a2536893b4e398eb9ad7bce513e010:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kfilemetadata
 * [new ref]         9b0a57c045a2536893b4e398eb9ad7bce513e010 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b0a57c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild