Pull out git-diff package into a separate repo

package.json

@@ -71,6 +71,7 @@
     "autoflow": "0.1.0",
     "command-logger": "0.1.0",
     "gfm": "0.1.0",
+    "git-diff": "0.1.0",
     "gists": "0.1.0",
     "image-view": "0.1.0",
     "spell-check": "0.1.0",

src/packages/git-diff/lib/git-diff-view.coffee

@@ -1,76 +0,0 @@
-_ = require 'underscore'
-Subscriber = require 'subscriber'
-
-module.exports =
-class GitDiffView
-  diffs: null
-  editor: null
-
-  constructor: (@editor) ->
-    @gutter = @editor.gutter
-    @diffs = {}
-
-    @subscribe @editor, 'editor:path-changed', @subscribeToBuffer
-    @subscribe @editor, 'editor:display-updated', @renderDiffs
-    @subscribe git, 'statuses-changed', =>
-      @diffs = {}
-      @scheduleUpdate()
-    @subscribe git, 'status-changed', (path) =>
-      delete @diffs[path]
-      @scheduleUpdate() if path is @editor.getPath()
-
-    @subscribeToBuffer()
-
-  beforeRemove: ->
-    @unsubscribe()
-    @unsubscribeFromBuffer()
-
-  unsubscribeFromBuffer: ->
-    if @buffer?
-      @removeDiffs()
-      delete @diffs[@buffer.getPath()] if @buffer.destroyed
-      @buffer.off 'contents-modified', @updateDiffs
-      @buffer = null
-
-  subscribeToBuffer: =>
-    @unsubscribeFromBuffer()
-
-    if @buffer = @editor.getBuffer()
-      @scheduleUpdate() unless @diffs[@buffer.getPath()]?
-      @buffer.on 'contents-modified', @updateDiffs
-
-  scheduleUpdate: ->
-    _.nextTick(@updateDiffs)
-
-  updateDiffs: =>
-    @generateDiffs()
-    @renderDiffs()
-
-  generateDiffs: ->
-    if path = @buffer.getPath()
-      @diffs[path] = git?.getLineDiffs(path, @buffer.getText())
-
-  removeDiffs: =>
-    if @gutter.hasGitLineDiffs
-      @gutter.find('.line-number').removeClass('git-line-added git-line-modified git-line-removed')
-      @gutter.hasGitLineDiffs = false
-
-  renderDiffs: =>
-    return unless @gutter.isVisible()
-
-    @removeDiffs()
-
-    hunks = @diffs[@editor.getPath()] ? []
-    linesHighlighted = 0
-    for {oldStart, newStart, oldLines, newLines} in hunks
-      if oldLines is 0 and newLines > 0
-        for row in [newStart...newStart + newLines]
-          linesHighlighted += @gutter.find(".line-number[lineNumber=#{row - 1}]").addClass('git-line-added').length
-      else if newLines is 0 and oldLines > 0
-        linesHighlighted += @gutter.find(".line-number[lineNumber=#{newStart - 1}]").addClass('git-line-removed').length
-      else
-        for row in [newStart...newStart + newLines]
-          linesHighlighted += @gutter.find(".line-number[lineNumber=#{row - 1}]").addClass('git-line-modified').length
-    @gutter.hasGitLineDiffs = linesHighlighted > 0
-
-_.extend GitDiffView.prototype, Subscriber

src/packages/git-diff/lib/git-diff.coffee

@@ -1,8 +0,0 @@
-GitDiffView = require './git-diff-view'
-
-module.exports =
-  activate: ->
-    return unless git?
-
-    rootView.eachEditor (editor) =>
-      new GitDiffView(editor) if git? and editor.attached and editor.getPane()?

src/packages/git-diff/package.cson

@@ -1,2 +0,0 @@
-'main': './lib/git-diff'
-'description': 'Add decorations to the editor gutter for lines added, edited, and deleted since the last commit.'

src/packages/git-diff/spec/git-diff-spec.coffee

@@ -1,62 +0,0 @@
-RootView = require 'root-view'
-_ = require 'underscore'
-
-describe "GitDiff package", ->
-  editor = null
-
-  beforeEach ->
-    window.rootView = new RootView
-    rootView.attachToDom()
-    rootView.open('sample.js')
-    atom.activatePackage('git-diff')
-    editor = rootView.getActiveView()
-
-  describe "when the editor has modified lines", ->
-    it "highlights the modified lines", ->
-      expect(editor.find('.git-line-modified').length).toBe 0
-      editor.insertText('a')
-      advanceClock(editor.getBuffer().stoppedChangingDelay)
-      expect(editor.find('.git-line-modified').length).toBe 1
-      expect(editor.find('.git-line-modified').attr('lineNumber')).toBe '0'
-
-  describe "when the editor has added lines", ->
-    it "highlights the added lines", ->
-      expect(editor.find('.git-line-added').length).toBe 0
-      editor.moveCursorToEndOfLine()
-      editor.insertNewline()
-      editor.insertText('a')
-      advanceClock(editor.getBuffer().stoppedChangingDelay)
-      expect(editor.find('.git-line-added').length).toBe 1
-      expect(editor.find('.git-line-added').attr('lineNumber')).toBe '1'
-
-  describe "when the editor has removed lines", ->
-    it "highlights the line preceeding the deleted lines", ->
-      expect(editor.find('.git-line-added').length).toBe 0
-      editor.setCursorBufferPosition([5])
-      editor.deleteLine()
-      advanceClock(editor.getBuffer().stoppedChangingDelay)
-      expect(editor.find('.git-line-removed').length).toBe 1
-      expect(editor.find('.git-line-removed').attr('lineNumber')).toBe '4'
-
-  describe "when a modified line is restored to the HEAD version contents", ->
-    it "removes the diff highlight", ->
-      expect(editor.find('.git-line-modified').length).toBe 0
-      editor.insertText('a')
-      advanceClock(editor.getBuffer().stoppedChangingDelay)
-      expect(editor.find('.git-line-modified').length).toBe 1
-      editor.backspace()
-      advanceClock(editor.getBuffer().stoppedChangingDelay)
-      expect(editor.find('.git-line-modified').length).toBe 0
-
-  describe "when a modified file is opened", ->
-    it "highlights the changed lines", ->
-      path = project.resolve('sample.txt')
-      buffer = project.buildBuffer(path)
-      buffer.setText("Some different text.")
-      rootView.open('sample.txt')
-      nextTick = false
-      _.nextTick -> nextTick = true
-      waitsFor -> nextTick
-      runs ->
-        expect(editor.find('.git-line-modified').length).toBe 1
-        expect(editor.find('.git-line-modified').attr('lineNumber')).toBe '0'

src/packages/git-diff/stylesheets/git-diff.less

@@ -1,11 +0,0 @@
-.git-line-modified {
-  color: #f78a46;
-}
-
-.git-line-added {
-  color: #5293d8;
-}
-
-.git-line-removed {
-  color: #c41e3a;
-}