fix(watcher): use correct file sha in url query string

lib/file-list.js

@@ -150,6 +150,7 @@ List.prototype._isRefreshing = function () {
 List.prototype._refresh = function () {
   var self = this
   var buckets = this.buckets
+  var matchedFiles = new Set()
 
   var promise = Promise.map(this._patterns, function (patternObject) {
     var pattern = patternObject.pattern
@@ -174,6 +175,12 @@ List.prototype._refresh = function () {
         return Promise.resolve()
       }
 
+      if (matchedFiles.has(path)) {
+        return Promise.resolve()
+      }
+
+      matchedFiles.add(path)
+
       var mtime = mg.statCache[path].mtime
       var doNotCache = patternObject.nocache
       var file = new File(path, mtime, doNotCache)
@@ -191,7 +198,7 @@ List.prototype._refresh = function () {
       files = _.compact(files)
 
       if (_.isEmpty(files)) {
-        log.warn('All files matched by "%s" were excluded.', pattern)
+        log.warn('All files matched by "%s" were excluded or matched by prior matchers.', pattern)
       } else {
         buckets.set(pattern, new Set(files))
       }

test/e2e/files.feature

@@ -38,11 +38,15 @@ Feature: Including files
       ];
       """
     When I start Karma
-    Then it passes with:
+    Then it passes with like:
       """
       .
       PhantomJS
       """
+    And it passes with like:
+      """
+      files/log_foo.js" were excluded or matched by prior matchers.
+      """
 
   Scenario: Execute a test excluding an explicitly included file in another order
     Given a configuration with:
@@ -59,11 +63,15 @@ Feature: Including files
       ];
       """
     When I start Karma
-    Then it passes with:
+    Then it passes with like:
       """
       .
       PhantomJS
       """
+    And it passes with like:
+      """
+      files/log_foo.js" were excluded or matched by prior matchers.
+      """
 
   Scenario: Execute a test excluding an file included with brackets patterns
     Given a configuration with:
@@ -80,11 +88,15 @@ Feature: Including files
       ];
       """
     When I start Karma
-    Then it passes with:
+    Then it passes with like:
       """
       .
       PhantomJS
       """
+    And it passes with like:
+      """
+      files/{log,bug}_foo.js" were excluded or matched by prior matchers.
+      """
 
   Scenario: Execute a test excluding an file included with wildcard
     Given a configuration with:
@@ -101,11 +113,15 @@ Feature: Including files
       ];
       """
     When I start Karma
-    Then it passes with:
+    Then it passes with like:
       """
       .
       PhantomJS
       """
+    And it passes with like:
+      """
+      files/*.js" were excluded or matched by prior matchers.
+      """
 
   Scenario: Execute a test excluding an file included with glob-star
     Given a configuration with:
@@ -122,12 +138,15 @@ Feature: Including files
       ];
       """
     When I start Karma
-    Then it passes with:
+    Then it passes with like:
       """
       .
       PhantomJS
       """
-
+    And it passes with like:
+      """
+      files/**" were excluded or matched by prior matchers.
+      """
 
   Scenario: Execute a test excluding an file included with ext. glob patterns
     Given a configuration with:
@@ -145,9 +164,12 @@ Feature: Including files
       ];
       """
     When I start Karma
-    Then it passes with:
+    Then it passes with like:
       """
       .
       PhantomJS
       """
-
+    And it passes with like:
+      """
+      files/{log,bug}_foo.js" were excluded or matched by prior matchers.
+      """

test/unit/file-list.spec.js

@@ -266,6 +266,17 @@ describe('FileList', () => {
       })
     })
 
+    it('uses the file from the first matcher if two matchers match the same file', () => {
+      list = new List(patterns('/a.*', '*.txt'), [], emitter, preprocess, 100)
+      return list.refresh().then(() => {
+        var first = pathsFrom(list.buckets.get('/a.*'))
+        var second = pathsFrom(list.buckets.get('*.txt'))
+
+        expect(first).to.contain('/a.txt')
+        expect(second).not.to.contain('/a.txt')
+      })
+    })
+
     it('cancels refreshs', () => {
       var checkResult = (files) => {
         expect(_.pluck(files.served, 'path')).to.contain('/some/a.js', '/some/b.js', '/some/c.js')