$ git clone -n https://src.fedoraproject.org/rpms/python-jsonstreams.git /var/lib/mock/f40-build-2635062-66052/root/chroot_tmpdir/scmroot/python-jsonstreams
Cloning into '/var/lib/mock/f40-build-2635062-66052/root/chroot_tmpdir/scmroot/python-jsonstreams'...
$ git fetch origin 13453826fe795c8a22ccffc58bff31d9d2e7f5f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jsonstreams
 * [new ref]         13453826fe795c8a22ccffc58bff31d9d2e7f5f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1345382 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild