$ git clone -n https://src.fedoraproject.org/rpms/shippy.git /var/lib/mock/f43-build-59073346-6570849/root/chroot_tmpdir/scmroot/shippy
Cloning into '/var/lib/mock/f43-build-59073346-6570849/root/chroot_tmpdir/scmroot/shippy'...
$ git fetch origin d930af00dcc61aca4aba23c1fcaf00b820c9a672:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/shippy
 * [new ref]         d930af00dcc61aca4aba23c1fcaf00b820c9a672 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d930af0 New release.