$ git clone -n https://src.fedoraproject.org/rpms/caffe.git /var/lib/mock/f41-build-851369-165923/root/chroot_tmpdir/scmroot/caffe
Cloning into '/var/lib/mock/f41-build-851369-165923/root/chroot_tmpdir/scmroot/caffe'...
$ git fetch origin 1036f1682154a3d7a95e9937ea441384a25b839c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/caffe
 * [new ref]         1036f1682154a3d7a95e9937ea441384a25b839c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1036f16 Rebuild for opencv 4.10.0