bin/check_reqs.js

var args = WScript.Arguments;
var wscript_shell = WScript.CreateObject("WScript.Shell");

var REQUIRE_GIT = false;

function Usage() {
    Log("Usage: [ check_reqs | cscript check_reqs.js ]");
    Log("examples:");
    Log("    cscript C:\\Users\\anonymous\\cordova-wp7\\bin\\check_reqs.js");
    Log("    CordovaWindowsPhone\\bin\\check_reqs");

}

// log to stdout or stderr
function Log(msg, error) {
    if (error) {
        WScript.StdErr.WriteLine(msg);
    }
    else {
        WScript.StdOut.WriteLine(msg);
    }
}

// gets the output from a command, failing with the given error message
function check_command(cmd, fail_msg) {
    var out = wscript_shell.Exec(cmd);
    while (out.Status == 0) {
        WScript.Sleep(100);
    }

    //Check that command executed 
    if (!out.StdErr.AtEndOfStream) {
        var line = out.StdErr.ReadLine();
        Log(fail_msg, true);
        Log('Output : ' + line, true);
        WScript.Quit(1);
    }

    if (!out.StdOut.AtEndOfStream) {
        var line = out.StdOut.ReadAll();
        return line;
    }
    else {
         Log('Unable to get output from command "' + cmd + '"', true);
         WScript.Quit(1);
    }
}

/* The tooling for cordova windows phone requires these commands
 *  in the environment PATH variable.
 * - msbuild (C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319)
 * - git? (for dynamic cli loading of projects?)
 */
function SystemRequiermentsMet() {
    var cmd = 'msbuild -version'
    var fail_msg = 'The command `msbuild` failed. Make sure you have the latest Windows Phone SDKs installed, and the `msbuild.exe` command (inside C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319) is added to your path.'
    var output = check_command(cmd, fail_msg);
    var msversion = output.match(/\.NET\sFramework\,\sversion\s4\.0/);
    if (!msversion) {
        Log('Please install the .NET Framwork v4.0.30319 (in the latest windows phone SDK\'s).', true);
        Log('Make sure the "msbuild" command in your path is pointing to  v4.0.30319 of msbuild as well (inside C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319).', true);
        WScript.Quit(1);
    }

    if(REQUIRE_GIT) {
        cmd = 'git --version';
        fail_msg = 'The command `git` failed. Make sure you have git installed as well ad in your PATH environment so the tool can use it';
        output = check_command(cmd, fail_msg);
        var gitVersion = output.match(/git\sversion\s1\./);
        if (!gitVersion) {
            Log('Please ensure you have at least git v1 installed and added to you PATH so this tool can use it to get the latest codova.');
        }
    }
}


if (args.Count() > 0) {
    // support help flags
    if (args(0) == "--help" || args(0) == "/?" ||
            args(0) == "help" || args(0) == "-help" || args(0) == "/help" || args(0) == "-h") {
        Usage();
        WScript.Quit(1);
    }
    else {
        Log('Error : Did not recognize argument ' + args(0), true)
        Usage();
        WScript.Quit(1);
    }
}

SystemRequiermentsMet();