webshims issue

Gemfile

@@ -24,7 +24,7 @@ gem 'unicorn', '~> 4.6.3'
 gem 'sass-rails', '~> 4.0.0'
 gem 'compass-rails', github: 'milgner/compass-rails', branch: 'rails4'
 gem 'bootstrap-sass', github: 'thomas-mcdonald/bootstrap-sass', branch: '3'
-gem 'webshims-rails', '~> 1.10.10'
+gem 'webshims-rails', '~> 1.11.1'
 gem 'detect_timezone_rails', '~> 0.0.3'
 gem 'nprogress-rails', '~> 0.1.2.2'
 gem 'animate-rails', '~> 1.0.0'

Gemfile.lock

@@ -263,7 +263,7 @@ GEM
       raindrops (~> 0.7)
     warden (1.2.3)
       rack (>= 1.0)
-    webshims-rails (1.10.11)
+    webshims-rails (1.11.1)
       rails (> 3.1.0)
     xpath (2.0.0)
       nokogiri (~> 1.3)
@@ -318,4 +318,4 @@ DEPENDENCIES
   unicorn (~> 4.6.3)
   userstamp (~> 2.0.2)!
   validates_hostname (~> 1.0.0)!
-  webshims-rails (~> 1.10.10)
+  webshims-rails (~> 1.11.1)

lib/tasks/assets_nondigest.rake

@@ -0,0 +1,29 @@
+# Needed for webshims
+# https://github.com/whatcould/webshims-rails
+# https://gist.github.com/eric1234/5692456
+
+require 'fileutils'
+
+desc "Create nondigest versions of all digest assets"
+task "assets:precompile" do
+  fingerprint = /\-[0-9a-f]{32}\./
+  filemap = {}
+  Dir["public/assets/**/*"].each do |file|
+    next if file !~ fingerprint
+    next if File.directory?(file)
+    next if file.split(File::Separator).last =~ /^manifest/
+
+    nondigest = file.sub fingerprint, '.'
+
+    if filemap[nondigest]
+      if File.mtime(file) > filemap[nondigest][:time]
+        filemap[nondigest] = {file: file, time: File.mtime(file)}
+      end
+    else
+      filemap[nondigest] = {file: file, time: File.mtime(file)}
+    end
+  end
+  filemap.each do |nondigest, v|
+    FileUtils.cp v[:file], nondigest, verbose: true
+  end
+end