Use Atom::replicate in git spec to simulate project serialization

src/atom.coffee

@@ -317,6 +317,10 @@ class Atom
     else
       @windowState
 
+  # Private: Returns a replicated copy of the current state.
+  replicate: ->
+    @windowState.replicate()
+
   crashMainProcess: ->
     remote.process.crash()
 

src/git.coffee

@@ -71,8 +71,7 @@ class Git
         @refreshStatus()
 
     if project?
-      @subscribeToBuffer(buffer) for buffer in project.getBuffers()
-      @subscribe project, 'buffer-created', (buffer) => @subscribeToBuffer(buffer)
+      @subscribe project.buffers.onEach (buffer) => @subscribeToBuffer(buffer)
 
   # Private: Subscribes to buffer events.
   subscribeToBuffer: (buffer) ->

src/text-buffer.coffee

@@ -34,6 +34,11 @@ class TextBuffer extends Model
   file: null
   refcount: 0
 
+  constructor: ->
+    super
+
+    @loadWhenAttached = @getState()?
+
   # Private: Called by telepath
   attached: ->
     @loaded = false
@@ -45,6 +50,8 @@ class TextBuffer extends Model
 
     @setPath(@filePath)
 
+    @load() if @loadWhenAttached
+
   # Private: Called by telepath
   beforePersistence: ->
     @modifiedWhenLastPersisted = @isModified()