fix(file-list): Normalize glob patterns

Normalize glob patterns before they are passed to
node-glob to avoid issues on windows, where the resolved
files and the statCache entries do not match.

Closes #1494

lib/file-list.js

@@ -13,6 +13,7 @@ var Promise = require('bluebird')
 var mm = require('minimatch')
 var Glob = require('glob').Glob
 var fs = Promise.promisifyAll(require('fs'))
+var pathLib = require('path')
 
 var File = require('./file')
 var Url = require('./url')
@@ -155,7 +156,7 @@ List.prototype._refresh = function () {
       return Promise.resolve()
     }
 
-    var mg = new Glob(pattern, GLOB_OPTS)
+    var mg = new Glob(pathLib.normalize(pattern), GLOB_OPTS)
     var files = mg.found
     buckets.set(pattern, new Set())
 

test/unit/file-list.spec.coffee

@@ -251,6 +251,24 @@ describe 'FileList', ->
         expect(file1.mtime).to.be.eql mg.statCache['/some/a.js'].mtime
         expect(file2.mtime).to.be.eql mg.statCache['/some/b.js'].mtime
 
+    it 'sets the mtime for relative patterns', ->
+      list = new List(
+        patterns('/some/world/../*.js', '*.txt'),
+        [],
+        emitter,
+        preprocess
+      )
+
+      list.refresh().then (files) ->
+        bucket = list.buckets.get('/some/world/../*.js')
+
+        file1 = findFile '/some/a.js', bucket
+        file2 = findFile '/some/b.js', bucket
+
+        expect(file1.mtime).to.be.eql mg.statCache['/some/a.js'].mtime
+        expect(file2.mtime).to.be.eql mg.statCache['/some/b.js'].mtime
+
+
     it 'ingores excluded files', ->
       list = new List(
         patterns('*.txt'),