$ git clone -n https://src.fedoraproject.org/rpms/calf.git /var/lib/mock/f40-build-792880-138674/root/chroot_tmpdir/scmroot/calf
Cloning into '/var/lib/mock/f40-build-792880-138674/root/chroot_tmpdir/scmroot/calf'...
$ git fetch origin 709ed3fcd7f3899b77be16a2f706d4082b79520d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/calf
 * [new ref]         709ed3fcd7f3899b77be16a2f706d4082b79520d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 709ed3f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild