When copying static assets, don't try to rewrite directory names if f…

…ile in directory not associated with a page

lib/utils/post-build.js

@@ -21,23 +21,31 @@ module.exports = function(program, cb) {
       // our asset gets copied to the right directory.
       var parsed = parsePath(file);
       var relativePath = path.relative(directory + "/pages", file);
-      var oldPath = parsePath(relativePath).dirname;
+      var oldDirectory = parsePath(relativePath).dirname;
 
       // Wouldn't rewrite basePath
-      if (oldPath === ".") {
-        oldPath = "/";
+      if (oldDirectory === ".") {
+        oldDirectory = "/";
         var newPath = "/" + parsed.basename;
       }
 
-      if (!(oldPath === "/")) {
+      if (!(oldDirectory === "/")) {
         var page = _.find(pages, function(page) {
           // Ignore files that start with underscore (they're not pages).
           if (page.file.name.slice(0,1) !== '_') {
-            return parsePath(page.requirePath).dirname === oldPath;
+            return parsePath(page.requirePath).dirname === oldDirectory;
           }
         });
 
-        newPath = parsePath(page.path).dirname + parsed.basename;
+        if (page) {
+          newPath = parsePath(page.path).dirname + parsed.basename;
+        }
+        // We couldn't find a page associated with this file. Probably
+        // the file is in a directory of static files. In any case,
+        // we'll leave the file directory alone.
+        else {
+          newPath = relativePath;
+        }
       }
 
       newPath = directory + "/public/" + newPath;