<tool_dependency>
    <package name="gfServer" version="35x1">
        <install version="1.0">
            <actions>
                <action type="download_binary">
                    <url_template os="linux" architecture="x86_64">https://github.com/bgruening/download_store/raw/master/ucsc/linux/x86_64/gfServer_35x1</url_template>
                    <url_template os="darwin" architecture="i686">https://github.com/bgruening/download_store/raw/master/ucsc/darwin/i386/gfServer_35x1</url_template>
                    <url_template os="darwin" architecture="i386">https://github.com/bgruening/download_store/raw/master/ucsc/darwin/i386/gfServer_35x1</url_template>
                    <url_template os="darwin" architecture="x86_64">https://github.com/bgruening/download_store/raw/master/ucsc/darwin/x86_64/gfServer_35x1</url_template>
                </action>

                <action type="move_file">
                    <source>gfServer_35x1</source>
                    <destination>$INSTALL_DIR/bin/gfServer</destination>
                </action>
                <action type="chmod">
                    <file mode="755">$INSTALL_DIR/bin/gfServer</file>
                </action>
                <action type="set_environment">
                    <environment_variable name="PATH" action="append_to">$INSTALL_DIR/bin</environment_variable>
                    <environment_variable name="GFSERVER_ROOT_PATH" action="append_to">$INSTALL_DIR</environment_variable>
                </action>

            </actions>
        </install>
        <readme>
gfServer: a server that maintains an index of the genome in memory and uses the index to quickly find regions with high levels of sequence similarity to a query sequence.
http://genome.ucsc.edu/goldenPath/help/blatSpec.html
        </readme>
    </package>
</tool_dependency>