feat: DMG — use bzip2 compression (old: 40MB, new: 36MB)

Also, compression=store is respected — DMG NONE will be used (speed up tests)

.travis.yml

@@ -6,7 +6,7 @@ osx_image: xcode7.3
 
 env:
   - NODE_VERSION=4
-  - NODE_VERSION=5
+  - NODE_VERSION=6
 
 language: ruby
 

appveyor.yml

@@ -7,7 +7,7 @@ cache:
   - '%USERPROFILE%\.electron'
 
 install:
-  - ps: Install-Product node 5 x64
+  - ps: Install-Product node 6 x64
   - npm install npm -g
   - node -v
   - npm -v

package.json

@@ -78,7 +78,7 @@
     "typescript": "1.9.0-dev.20160425"
   },
   "optionalDependencies": {
-    "appdmg": "^0.3.7"
+    "appdmg-tf": "^0.3.11"
   },
   "config": {
     "pre-git": {

src/macPackager.ts

@@ -139,13 +139,30 @@ export default class OsXPackager extends PlatformPackager<OsXBuildOptions> {
     if (this.target.includes("dmg") || this.target.includes("default")) {
       promises.push(new BluebirdPromise<any>(async(resolve, reject) => {
         log("Creating DMG")
-        const emitter = require("appdmg")({
+        const dmgOptions = {
           target: artifactPath,
           basepath: this.projectDir,
-          specification: await this.computeEffectiveDistOptions(appOutDir)
+          specification: await this.computeEffectiveDistOptions(appOutDir),
+          compression: this.devMetadata.build.compression === "store" ? "NONE" : "UDBZ"
+        }
+
+        if (debug.enabled) {
+          debug(`appdmg: ${JSON.stringify(dmgOptions, null, 2)}`)
+        }
+
+        const emitter = require("appdmg-tf")(dmgOptions)
+        emitter.on("error", (e: Error) => {
+          console.error(e)
+          reject(e)
         })
-        emitter.on("error", reject)
         emitter.on("finish", () => resolve())
+        if (debug.enabled) {
+          emitter.on("progress", (info: any) => {
+            if (info.type === "step-begin") {
+              debug(`appdmg: [${info.current}] ${info.title}`)
+            }
+          })
+        }
       })
         .then(() => this.dispatchArtifactCreated(artifactPath, `${this.metadata.name}-${this.metadata.version}.dmg`)))
     }

typings/appdmg.d.ts

@@ -15,7 +15,7 @@ declare namespace appdmg {
   }
 }
 
-declare module "appdmg" {
+declare module "appdmg-tf" {
   import { EventEmitter } from "events"
 
   function appdmg(options: appdmg.Options): EventEmitter