$ git clone -n https://src.fedoraproject.org/rpms/wsjtx.git /var/lib/mock/f40-build-2260361-54405/root/chroot_tmpdir/scmroot/wsjtx
Cloning into '/var/lib/mock/f40-build-2260361-54405/root/chroot_tmpdir/scmroot/wsjtx'...
$ git fetch origin eacccfb17e0d3a7caab2c06287d4d3efcdc094ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wsjtx
 * [new ref]         eacccfb17e0d3a7caab2c06287d4d3efcdc094ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eacccfb Rebuilt for Boost 1.83