passenger 4.0.5 (new formula)

Closes Homebrew/homebrew#19981.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/nginx.rb

@@ -21,6 +21,7 @@ class Nginx < Formula
   option 'with-gunzip', 'Compile with support for gunzip module'
 
   depends_on 'pcre'
+  depends_on 'passenger' if build.with? 'passenger'
   # SPDY needs openssl >= 1.0.1 for NPN; see:
   # https://tools.ietf.org/agenda/82/slides/tls-3.pdf
   # http://www.openssl.org/news/changelog.html
@@ -119,7 +120,16 @@ class Nginx < Formula
     end
   end
 
-  def caveats; <<-EOS.undent
+  def passenger_caveats; <<-EOS.undent
+
+    To activate Phusion Passenger, add this to #{etc}/nginx/nginx.conf:
+      passenger_root #{HOMEBREW_PREFIX}/opt/passenger
+      passenger_ruby /usr/bin/ruby
+    EOS
+  end
+
+  def caveats
+    s = <<-EOS.undent
     Docroot is: #{HOMEBREW_PREFIX}/var/www
 
     The default port has been set to 8080 so that nginx can run without sudo.
@@ -129,6 +139,8 @@ class Nginx < Formula
 
     You will then need to run nginx as root: `sudo nginx`.
     EOS
+    s << passenger_caveats if build.include? 'with-passenger'
+    s
   end
 
   def plist; <<-EOS.undent

Formula/passenger.rb

@@ -0,0 +1,46 @@
+require 'formula'
+
+class Passenger < Formula
+  homepage 'https://www.phusionpassenger.com/'
+  url 'https://phusion-passenger.googlecode.com/files/passenger-4.0.5.tar.gz'
+  sha1 '4c1e12dae0c972e1498f2dae258929d8fa4ba42d'
+  head 'https://github.com/FooBarWidget/passenger.git'
+
+  depends_on 'curl'
+
+  def install
+    rake "apache2"
+    rake "nginx"
+    cp_r Dir["*"], prefix, :preserve => true
+
+    # The various scripts in bin cannot correctly locate their root directory
+    # when invoked as symlinks in /usr/local/bin. We create wrapper scripts
+    # to solve this problem.
+    mv bin, libexec
+    mkdir bin
+    Dir[libexec/"*"].each do |orig_script|
+      name = File.basename(orig_script)
+      (bin/name).write <<-EOS.undent
+        #!/bin/sh
+        exec #{orig_script} "$@"
+      EOS
+    end
+  end
+
+  def caveats; <<-EOS.undent
+    To activate Phusion Passenger for Apache, create /etc/apache2/other/passenger.conf:
+      LoadModule passenger_module #{HOMEBREW_PREFIX}/opt/passenger/libout/apache2/mod_passenger.so
+      PassengerRoot #{HOMEBREW_PREFIX}/opt/passenger
+      PassengerDefaultRuby /usr/bin/ruby
+
+    To activate Phusion Passenger for Nginx, run:
+      brew install nginx --with-passenger
+    EOS
+  end
+
+  test do
+    if `#{HOMEBREW_PREFIX}/bin/passenger-config --root`.strip != prefix.to_s
+      raise "Invalid root path"
+    end
+  end
+end