$ git clone -n https://src.fedoraproject.org/rpms/copyq.git /var/lib/mock/f40-build-2074435-49392/root/chroot_tmpdir/scmroot/copyq
Cloning into '/var/lib/mock/f40-build-2074435-49392/root/chroot_tmpdir/scmroot/copyq'...
$ git fetch origin 52e613591563b43a73a2fc0211c0635aedd4f443:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/copyq
 * [new ref]         52e613591563b43a73a2fc0211c0635aedd4f443 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52e6135 Upstream release rhbz#2237077