$ git clone -n https://src.fedoraproject.org/rpms/Field3D.git /var/lib/mock/f39-build-1579710-38040/root/chroot_tmpdir/scmroot/Field3D
Cloning into '/var/lib/mock/f39-build-1579710-38040/root/chroot_tmpdir/scmroot/Field3D'...
$ git fetch origin 8318d57dd43d1f7f1801321ffdd21d17ffd5c9b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Field3D
 * [new ref]         8318d57dd43d1f7f1801321ffdd21d17ffd5c9b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8318d57 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild