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-rw-r--r--actionpack/CHANGELOG.md5
-rw-r--r--actionpack/lib/sprockets/helpers/rails_helper.rb25
-rw-r--r--actionpack/test/template/sprockets_helper_test.rb7
3 files changed, 28 insertions, 9 deletions
diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 2de084cfd6..d5befc0419 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,5 +1,10 @@
## Rails 3.2.11 (unreleased) ##
+* Prevent unnecessary asset compilation when using javascript_include_tag on
+ files with non-standard extensions.
+
+ *Noah Silas*
+
* Do not append second slash to root_url when using `trailing_slash: true`
Fix #8700.
Backport #8701.
diff --git a/actionpack/lib/sprockets/helpers/rails_helper.rb b/actionpack/lib/sprockets/helpers/rails_helper.rb
index 690c71b472..a1e504be25 100644
--- a/actionpack/lib/sprockets/helpers/rails_helper.rb
+++ b/actionpack/lib/sprockets/helpers/rails_helper.rb
@@ -157,18 +157,25 @@ module Sprockets
end
def rewrite_extension(source, dir, ext)
- source_ext = File.extname(source)
- if ext && source_ext != ".#{ext}"
- if !source_ext.empty? && (asset = asset_environment[source]) &&
- asset.pathname.to_s =~ /#{source}\Z/
- source
- else
- "#{source}.#{ext}"
- end
- else
+ source_ext = File.extname(source)[1..-1]
+
+ if !ext || ext == source_ext
+ source
+ elsif source_ext.blank?
+ "#{source}.#{ext}"
+ elsif exact_match_present?(source)
source
+ else
+ "#{source}.#{ext}"
end
end
+
+ def exact_match_present?(source)
+ pathname = asset_environment.resolve(source)
+ pathname.to_s =~ /#{Regexp.escape(source)}\Z/
+ rescue Sprockets::FileNotFound
+ false
+ end
end
end
end
diff --git a/actionpack/test/template/sprockets_helper_test.rb b/actionpack/test/template/sprockets_helper_test.rb
index e944cfaee3..07ebd18f99 100644
--- a/actionpack/test/template/sprockets_helper_test.rb
+++ b/actionpack/test/template/sprockets_helper_test.rb
@@ -268,6 +268,13 @@ class SprocketsHelperTest < ActionView::TestCase
javascript_include_tag(:application)
end
+ test "precompiled assets with an extension when no JS runtime is available" do
+ @config.assets.compile = false
+ @config.assets.digests = {'foo.min.js' => 'foo.min-f00.js'}
+ Sprockets::Index.any_instance.stubs(:build_asset).raises
+ assert_nothing_raised { javascript_include_tag('foo.min') }
+ end
+
test "stylesheet path through asset_path" do
assert_match %r{/assets/application-[0-9a-f]+.css}, asset_path(:application, :ext => "css")