Activate atom.directory-provider services before deserialization

Signed-off-by: Nathan Sobo <nathan@github.com>

spec/fixtures/packages/package-with-directory-provider/index.js

@@ -0,0 +1,3 @@
+exports.provideDirectoryProvider = function () {
+  return 'directory provider from package-with-directory-provider'
+}

spec/fixtures/packages/package-with-directory-provider/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "package-with-directory-provider",
+
+  "providedServices": {
+    "atom.directory-provider": {
+      "description": "Provides custom Directory instances",
+      "versions": {
+        "0.1.1": "provideDirectoryProvider"
+      }
+    }
+  }
+}

spec/package-manager-spec.coffee

@@ -120,6 +120,16 @@ describe "PackageManager", ->
         state: state2
       }
 
+    it "early-activates any atom.directory-provider or atom.repository-provider services that the package provide", ->
+      jasmine.useRealClock()
+
+      providers = []
+      atom.packages.serviceHub.consume 'atom.directory-provider', '^0.1.0', (provider) ->
+        providers.push(provider)
+
+      atom.packages.loadPackage('package-with-directory-provider')
+      expect(providers).toEqual(['directory provider from package-with-directory-provider'])
+
     describe "when there are view providers specified in the package's package.json", ->
       model1 = {worksWithViewProvider1: true}
       model2 = {worksWithViewProvider2: true}

src/package.coffee

@@ -85,6 +85,7 @@ class Package
         @loadMenus()
         @loadStylesheets()
         @registerDeserializerMethods()
+        @activateCoreStartupServices()
         @configSchemaRegisteredOnLoad = @registerConfigSchemaFromMetadata()
         @settingsPromise = @loadSettings()
         if @shouldRequireMainModuleOnLoad() and not @mainModule?
@@ -290,6 +291,17 @@ class Package
             @mainModule[methodName](state, atomEnvironment)
       return
 
+  activateCoreStartupServices: ->
+    if directoryProviderService = @metadata.providedServices?['atom.directory-provider']
+      @requireMainModule()
+      servicesByVersion = {}
+      for version, methodName of directoryProviderService.versions
+        if typeof @mainModule[methodName] is 'function'
+          servicesByVersion[version] = @mainModule[methodName]()
+
+      disposable = @packageManager.serviceHub.provide('atom.directory-provider', servicesByVersion)
+      @activationDisposables.add(disposable)
+
   registerViewProviders: ->
     if @metadata.viewProviders? and not @registeredViewProviders
       @requireMainModule()