$ git clone -n https://src.fedoraproject.org/rpms/python-cro.git /var/lib/mock/f39-build-1884918-42775/root/chroot_tmpdir/scmroot/python-cro
Cloning into '/var/lib/mock/f39-build-1884918-42775/root/chroot_tmpdir/scmroot/python-cro'...
$ git fetch origin 37e06a9ba9cc1ee7d36a2d31676c836c97a640de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cro
 * [new ref]         37e06a9ba9cc1ee7d36a2d31676c836c97a640de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37e06a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild