source: Dev/trunk/src/client/util/build/transforms/copy.js

define([
        "../buildControl",
        "../process",
        "../fileUtils",
        "dojo/has"
], function(bc, process, fileUtils, has) {
        return function(resource, callback) {
                fileUtils.ensureDirectoryByFilename(resource.dest);
                var
                        cb = function(code, text){
                                callback(resource, code);
                        },
                        errorMessage = "failed to copy file from \"" + resource.src + "\" to \"" + resource.dest + "\"",
                        args = has("is-windows") ?
                                ["cmd", "/c", "copy", fileUtils.normalize(resource.src), fileUtils.normalize(resource.dest), errorMessage, bc, cb] :
                                ["cp", resource.src, resource.dest, errorMessage, bc, cb];
                process.exec.apply(process, args);
                return callback;
        };
});