def install_varscan(env):
    version = "2.3.7"
    url = "http://downloads.sourceforge.net/project/varscan/VarScan.v%s.jar" % version
    install_dir = _symlinked_java_version_dir("varscan", version, env)
    if install_dir:
        with _make_tmp_dir() as work_dir:
            with cd(work_dir):
                out_file = shared._remote_fetch(env, url)
                env.safe_sudo("mv %s %s" % (out_file, install_dir))
Variant detection in massively parallel sequencing data
dataset/ETHPy150Open chapmanb/cloudbiolinux/cloudbio/custom/bio_nextgen.py/install_varscan