$ git clone -n https://src.fedoraproject.org/rpms/kalzium.git /var/lib/mock/f39-build-1796813-41762/root/chroot_tmpdir/scmroot/kalzium
Cloning into '/var/lib/mock/f39-build-1796813-41762/root/chroot_tmpdir/scmroot/kalzium'...
$ git fetch origin 9fabfbf3985a3e4c0f11e6d3d355e8959e0d34b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalzium
 * [new ref]         9fabfbf3985a3e4c0f11e6d3d355e8959e0d34b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fabfbf 23.08.3