$ git clone -n https://src.fedoraproject.org/rpms/COPASI.git /var/lib/mock/f40-build-789791-136042/root/chroot_tmpdir/scmroot/COPASI
Cloning into '/var/lib/mock/f40-build-789791-136042/root/chroot_tmpdir/scmroot/COPASI'...
$ git fetch origin 275105b08cb24e3e029cc6752c887a043772030c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/COPASI
 * [new ref]         275105b08cb24e3e029cc6752c887a043772030c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 275105b Exclude ix86 architectures