[build] generate proto clasess

tasks/sdk.js

@@ -3,11 +3,37 @@ const fs = require('fs');
 const ps = require('promise-streams');
 const got = require('got');
 const unzip = require('unzip-stream');
+const tar = require('tar');
 const ProgressBar = require('progress');
 const colors = require('ansi-colors');
 const log = require('fancy-log');
 
 
+class System {
+
+    static get isWindows() {
+        return os.type() === 'Windows_NT';
+    }
+
+    static get isLinux() {
+        return os.type() === 'Linux';
+    }
+
+    static get archInt() {
+        if (os.arch() === 'ia32') return 32;
+        if (os.arch() === 'x64') return 64;
+    }
+
+    static get isArch32() {
+        return this.archInt === 32;
+    }
+
+    static get isArch64() {
+        return this.archInt === 64;
+    }
+}
+
+
 class Sdk {
     static set dir(value) {
         Sdk._dir = value
@@ -56,12 +82,10 @@ class Sdk {
             const bar = new ProgressBar(`${this.tag} [:bar] :percent :etas`, {width: 40, total: 1000, clear: true});
             let stream = got.stream(this.link);
             stream = stream.on('downloadProgress', (p) => bar.update(p.percent));
-            //stream = stream.pipe(fs.createWriteStream(this.path + '.zip'));
             if (this.link.endsWith('.zip')) {
                 stream = stream.pipe(unzip.Extract({path: this.path}));
             } else if (this.link.endsWith('tar.gz')) {
-                // ToDo: unpack tar.gz
-                //stream = stream.pipe(gunzip()).pipe(untar())
+                stream = stream.pipe(tar.x({C: this.path}));
             } else {
                 stream = stream.pipe(fs.createWriteStream(this.path));
             }
@@ -70,4 +94,6 @@ class Sdk {
     }
 }
 
+Sdk.System = System;
+
 module.exports = Sdk;