fix($location): correctly parse link urls in hashbang mode

This is a fix for a regression that was introduced by 92a2e18

Closes #1037

Author: mhevery

src/ng/location.js

@@ -476,12 +476,14 @@ function $LocationProvider(){
   this.$get = ['$rootScope', '$browser', '$sniffer', '$rootElement',
       function( $rootScope,   $browser,   $sniffer,   $rootElement) {
     var $location,
-        basePath = $browser.baseHref() || '/',
-        pathPrefix = pathPrefixFromBase(basePath),
+        basePath,
+        pathPrefix,
         initUrl = $browser.url(),
         absUrlPrefix;
 
     if (html5Mode) {
+      basePath = $browser.baseHref() || '/';
+      pathPrefix = pathPrefixFromBase(basePath);
       if ($sniffer.history) {
         $location = new LocationUrl(
           convertToHtml5Url(initUrl, basePath, hashPrefix),
@@ -491,14 +493,14 @@ function $LocationProvider(){
           convertToHashbangUrl(initUrl, basePath, hashPrefix),
           hashPrefix);
       }
+      // link rewriting
+      absUrlPrefix = composeProtocolHostPort(
+        $location.protocol(), $location.host(), $location.port()) + pathPrefix;
     } else {
       $location = new LocationHashbangUrl(initUrl, hashPrefix);
+      absUrlPrefix = $location.absUrl().split('#')[0];
     }
 
-    // link rewriting
-    absUrlPrefix = composeProtocolHostPort(
-        $location.protocol(), $location.host(), $location.port()) + pathPrefix;
-
     $rootElement.bind('click', function(event) {
       // TODO(vojta): rewrite link when opening in new tab/window (in legacy browser)
       // currently we open nice url link and redirect then
@@ -512,7 +514,8 @@ function $LocationProvider(){
         elm = elm.parent();
       }
 
-      var absHref = elm.prop('href');
+      var absHref = elm.prop('href'),
+          href;
 
       if (!absHref ||
         elm.attr('target') ||
@@ -521,7 +524,9 @@ function $LocationProvider(){
       }
 
       // update location with href without the prefix
-      $location.url(absHref.substr(absUrlPrefix.length));
+      href = absHref.substr(absUrlPrefix.length);
+      if (href.charAt(0) == '#') href = href.substr(1);
+      $location.url(href);
       $rootScope.$apply();
       event.preventDefault();
       // hack to work around FF6 bug 684208 when scenario runner clicks on links

test/ng/locationSpec.js

@@ -968,6 +968,37 @@ describe('$location', function() {
         );
       });
     }
+
+
+    it('should not mess up hash urls when clicking on links in hashbang mode', function() {
+      var base;
+      module(function() {
+        return function($browser) {
+          window.location.hash = 'someHash';
+          base = window.location.href
+          $browser.url(base);
+          base = base.split('#')[0];
+        }
+      });
+      inject(function($rootScope, $compile, $browser, $rootElement, $document, $location) {
+        // we need to do this otherwise we can't simulate events
+        $document.find('body').append($rootElement);
+
+        var element = $compile('<a href="#/view1">v1</a><a href="#/view2">v2</a>')($rootScope);
+        $rootElement.append(element);
+        var av1 = $rootElement.find('a').eq(0);
+        var av2 = $rootElement.find('a').eq(1);
+
+
+        browserTrigger(av1, 'click');
+        expect($browser.url()).toEqual(base + '#/view1');
+
+        browserTrigger(av2, 'click');
+        expect($browser.url()).toEqual(base + '#/view2');
+
+        $rootElement.remove();
+      });
+    });
   });