$ git clone -n https://src.fedoraproject.org/rpms/opencsg.git /var/lib/mock/f40-build-792967-138688/root/chroot_tmpdir/scmroot/opencsg
Cloning into '/var/lib/mock/f40-build-792967-138688/root/chroot_tmpdir/scmroot/opencsg'...
$ git fetch origin cdba42a014acd57453091f6c5f373a7212ef7d98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opencsg
 * [new ref]         cdba42a014acd57453091f6c5f373a7212ef7d98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cdba42a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild