Hongli Lai <hon...@phusion.nl> wrote:
> Hi Eric.
>
> It would appear that recent Rails 3 changes have broken unicorn_rails,
> just like they broke Phusion Passenger. Here's a patch which fixes the
> problem.
> http://gist.github.com/429944
Thanks Hongli, so this only affects people who remove the
config.ru that Rails 3 creates for them? Yikes...
A few comments:
+ if ::Rails::VERSION::MAJOR >= 3 && ::File.exist?('config/application.rb')
+ ::File.read('config/application.rb') =~ /^module (.+)$/
Maybe a more flexible regexp like this: /^module\s+([\w:]+)\s*$/ (or
maybe even starting with: "^\s*") would be more reliable for folks who
leave extra spaces around.
Unfortunately, Ruby is not Python :)
@@ -148,9 +167,9 @@ def rails_builder(daemonize)
else
use Rails::Rack::LogTailer unless daemonize
use Rails::Rack::Debugger if $DEBUG
+ use Rails::Rack::Static, map_path
map(map_path) do
- use Rails::Rack::Static
- run ActionController::Dispatcher.new
+ run rails_dispatcher
Changing the call to use Rails::Rack::Static there is wrong. map_path
is the URI prefix (RAILS_RELATIVE_URL_ROOT) and not the static file
path we serve from. It appears the deprecation in Rails 3 broke some
things and ActionDispatch::Static is configured slightly differently.
Let me know if the edited patch below looks alright to you.
I'll also push out a few Rails 3 tests that exercise the missing
config.ru cases.
>From 222ae0a353eda446a480e5c4b473a218304f9594 Mon Sep 17 00:00:00 2001
From: Hongli Lai (Phusion) <hon...@phusion.nl>
Date: Tue, 8 Jun 2010 13:22:25 +0200
Subject: [PATCH] Fix unicorn_rails compatibility with the latest Rails 3 code
This allows us to properly detect Rails 3 installations
in cases where config.ru is not present.
[ew: expanded commit message
fixed static file serving,
more flexible regexp for matching module ]
ref: mid.gmane.org/aanlktiksbxio_pfwoiptwi1entxzrb7d2ue-rl7h3...@mail.gmail.com
Acked-by: Eric Wong <normalper...@yhbt.net>
---
bin/unicorn_rails | 26 ++++++++++++++++++++++++--
1 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/bin/unicorn_rails b/bin/unicorn_rails
index 45a9b11..ed235ba 100755
--- a/bin/unicorn_rails
+++ b/bin/unicorn_rails
@@ -109,6 +109,24 @@ end
ru = ARGV[0] || (File.exist?('config.ru') ? 'config.ru' : nil)
+def rails_dispatcher
+ if ::Rails::VERSION::MAJOR >= 3 && ::File.exist?('config/application.rb')
+ if ::File.read('config/application.rb') =~ /^module\s+([\w:]+)\s*$/
+ app_module = Object.const_get($1)
+ begin
+ result = app_module::Application
+ rescue NameError
+ end
+ end
+ end
+
+ if result.nil? && defined?(ActionController::Dispatcher)
+ result = ActionController::Dispatcher.new
+ end
+
+ result || abort("Unable to locate the application dispatcher class")
+end
+
def rails_builder(daemonize)
# this lambda won't run until after forking if preload_app is false
lambda do ||
@@ -149,8 +167,12 @@ def rails_builder(daemonize)
use Rails::Rack::LogTailer unless daemonize
use Rails::Rack::Debugger if $DEBUG
map(map_path) do
- use Rails::Rack::Static
- run ActionController::Dispatcher.new
+ if defined?(ActionDispatch::Static)
+ use ActionDispatch::Static, "#{Rails.root}/public"
+ else
+ use Rails::Rack::Static
+ end
+ run rails_dispatcher
end
end
end.to_app
--
Eric Wong
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