Add new status icon to status bar

spec/app/status-bar-spec.coffee

@@ -125,11 +125,14 @@ describe "StatusBar", ->
 
     beforeEach ->
       path = require.resolve('fixtures/git/working-dir/file.txt')
+      newPath = fs.join(require.resolve('fixtures/git/working-dir'), 'new.txt')
+      fs.write(newPath, "I'm new here")
       originalPathText = fs.read(path)
       rootView.attachToDom()
 
     afterEach ->
       fs.write(path, originalPathText)
+      fs.remove(newPath) if fs.exists(newPath)
 
     it "displays the modified icon for a changed file", ->
       fs.write(path, "i've changed for the worse")
@@ -139,3 +142,7 @@ describe "StatusBar", ->
     it "doesn't display the modified icon for an unchanged file", ->
       rootView.open(path)
       expect(statusBar.gitStatusIcon).toBeHidden()
+
+    it "displays the new icon for a new file", ->
+      rootView.open(newPath)
+      expect(statusBar.gitStatusIcon).toBeVisible()

src/app/status-bar.coffee

@@ -1,5 +1,5 @@
-{View} = require 'space-pen'
 _ = require 'underscore'
+{View, $$} = require 'space-pen'
 Git = require 'git'
 
 module.exports =
@@ -20,7 +20,7 @@ class StatusBar extends View
   @content: ->
     @div class: 'status-bar', =>
       @div class: 'file-info', =>
-        @span '\uf252', class: 'octicons git-status', outlet: 'gitStatusIcon'
+        @span class: 'octicons git-status', outlet: 'gitStatusIcon'
         @span class: 'current-path', outlet: 'currentPath'
         @span class: 'buffer-modified', outlet: 'bufferModified'
       @div class: 'cursor-position', =>
@@ -71,13 +71,17 @@ class StatusBar extends View
       @branchArea.hide()
 
   updateStatusText: ->
-    if path = @editor.getPath()
-      modified = new Git(path).isPathModified(path)
+    @gitStatusIcon.empty().hide()
+    path = @editor.getPath()
+    return unless path
 
-    if modified
+    git = new Git(path)
+    if git.isPathModified(path)
+      @gitStatusIcon.append $$ -> @span '\uf26d', class: 'modified-status-icon'
+      @gitStatusIcon.show()
+    else if git.isPathNew(path)
+      @gitStatusIcon.append $$ -> @span '\uf26b', class: 'new-status-icon'
       @gitStatusIcon.show()
-    else
-      @gitStatusIcon.hide()
 
   updatePathText: ->
     if path = @editor.getPath()

static/status-bar.css

@@ -16,8 +16,12 @@
   top: 5px;
 }
 
-.status-bar .file-info .git-status {
- color: #FAF05C;
+.status-bar .file-info .modified-status-icon {
+  color: #6C6912;
+}
+
+.status-bar .file-info .new-status-icon {
+  color: #269F81;
 }
 
 .status-bar .octicons {
@@ -25,7 +29,7 @@
   font-size: 14px;
   width: 14px;
   height: 14px;
-  padding-right: 2px;
+  padding-right: 5px;
 }
 
 .status-bar .branch-label {