Use git ls-files for loading paths when available.

lib/load-paths-handler.coffee

@@ -4,33 +4,45 @@ path = require 'path'
 _ = require 'underscore-plus'
 {GitRepository} = require 'atom'
 {Minimatch} = require 'minimatch'
+{GitProcess} = require 'dugite'
 
 PathsChunkSize = 100
 
 emittedPaths = new Set
 
 class PathLoader
-  constructor: (@rootPath, ignoreVcsIgnores, @traverseSymlinkDirectories, @ignoredNames) ->
+  constructor: (@rootPath, @ignoreVcsIgnores, @traverseSymlinkDirectories, @ignoredNames) ->
     @paths = []
     @realPathCache = {}
-    @repo = null
-    if ignoreVcsIgnores
-      repo = GitRepository.open(@rootPath, refreshOnWindowFocus: false)
-      @repo = repo if repo?.relativize(path.join(@rootPath, 'test')) is 'test'
 
   load: (done) ->
-    @loadPath @rootPath, true, =>
-      @flushPaths()
-      @repo?.destroy()
-      done()
+    repo = GitRepository.open(@rootPath, refreshOnWindowFocus: false)
+    if repo?.relativize(path.join(@rootPath, 'test')) is 'test'
+      args = ['ls-files', '--cached', '--others', '-z']
+      if @ignoreVcsIgnores
+        args.push('--exclude-standard')
+      for ignoredName in @ignoredNames
+        args.push('--exclude')
+        args.push(ignoredName.pattern)
+      output = ''
+      proc = GitProcess.spawn(args, @rootPath)
+      proc.stdout.on 'data', (chunk) ->
+        files = (output + chunk).split('\0')
+        output = files.pop()
+        emit('load-paths:paths-found', files)
+      proc.on 'close', (code) ->
+        repo?.destroy()
+        done()
+    else
+      @loadPath @rootPath, true, =>
+        @flushPaths()
+        repo?.destroy()
+        done()
 
   isIgnored: (loadedPath) ->
     relativePath = path.relative(@rootPath, loadedPath)
-    if @repo?.isPathIgnored(relativePath)
-      true
-    else
-      for ignoredName in @ignoredNames
-        return true if ignoredName.match(relativePath)
+    for ignoredName in @ignoredNames
+      return true if ignoredName.match(relativePath)
 
   pathLoaded: (loadedPath, done) ->
     unless @isIgnored(loadedPath) or emittedPaths.has(loadedPath)

package.json

@@ -8,6 +8,7 @@
   "dependencies": {
     "async": "0.2.6",
     "atom-select-list": "^0.1.0",
+    "dugite": "^1.35.0",
     "fs-plus": "^3.0.0",
     "fuzzaldrin": "^2.0",
     "fuzzaldrin-plus": "^0.4.1",