1 files changed, 68 insertions, 0 deletions
diff --git a/blockly/appengine/redirect.html b/blockly/appengine/redirect.html
new file mode 100644
index 0000000..9c29bac
--- /dev/null
+++ b/blockly/appengine/redirect.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <script>
+var loc = location.href;
+
+// Blockly files moved from /blockly to /static on 5 Dec 2012.
+if (loc.match('/blockly/')) {
+  loc = loc.replace('/blockly/', '/static/');
+}
+
+// Maze and Turtle moved from demos to apps on 29 Dec 2012.
+if (loc.match(/\/demos\/(maze|turtle)\//)) {
+  loc = loc.replace('/demos/', '/apps/');
+}
+
+// Vietnamese apps moved from vn to vi on 9 Jun 2012.
+if (loc.match('/vn.html')) {
+  loc = loc.replace('/vn.html', '/vi.html');
+}
+
+if (loc.match('/code/code.html')) {
+  // Code moved to index.html on 7 Aug 2013.
+  loc = loc.replace('/code.html', '/index.html');
+} else if (loc.match('/apps/code/zh_tw.html')) {
+  // zh-tw was changed to zh-hans on 25 Nov 2013.
+  loc = loc.replace('/zh_tw.html', '/index.html?lang=zh-hans');
+} else if (loc.match('/apps/code/index.html')) {
+  // NOP.
+} else if (loc.match(/\/apps\/code\/[-a-z]+\.html/)) {
+  // Code became language-agnostic on 20 Jul 2013.
+  loc = loc.replace(/\/([-a-z]+)\.html/, '/index.html?lang=$1');
+}
+
+if (loc.match('/apps/plane/plane.html')) {
+  // Plane moved to index.html on 7 Aug 2013.
+  loc = loc.replace('/plane.html', '/index.html');
+} else if (loc.match('/apps/code/plane.html')) {
+  // NOP.
+} else if (loc.match(/\/apps\/plane\/[\d_]*[-a-z]+\.html/)) {
+  // Plane became language-agnostic on 20 Jul 2013.
+  loc = loc.replace('vn.html', 'vi.html');
+  if (location.search) {
+    loc = loc.replace(/\/[\d_]*([-a-z]+)\.html\?/, '/index.html?lang=$1&');
+  } else {
+    loc = loc.replace(/\/[\d_]*([-a-z]+)\.html/, '/index.html?lang=$1');
+  }
+}
+
+if (loc.match('/apps/puzzle/')) {
+  // Puzzle moved to Blockly Games on 15 Oct 2014.
+  loc = 'https://blockly-games.appspot.com/puzzle';
+} else if (loc.match('/apps/maze/')) {
+  // Maze moved to Blockly Games on 10 Nov 2014.
+  loc = 'https://blockly-games.appspot.com/maze';
+} else if (loc.match('/apps/turtle/')) {
+  // Turtle moved to Blockly Games on 10 Nov 2014.
+  loc = 'https://blockly-games.appspot.com/turtle';
+} else if (loc.match('/apps/')) {
+  // Remaining apps moved to demos on 20 Nov 2014.
+  loc = loc.replace('/apps/', '/demos/');
+}
+
+location = loc;
+
+    </script>
+  </head>
+</html>