Initial implementation - manually tested

.powenv

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+export POW_WORKERS=1
+if [ -f "$rvm_path/scripts/rvm" ] && [ -f ".rvmrc" ]; then
+  source "$rvm_path/scripts/rvm"
+  source ".rvmrc"
+fi

.rvmrc

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+rvm use ruby-1.9.3@rubymine_pow --create

Gemfile

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+source 'http://rubygems.dev'  # Use local rubygems proxy/mirror (see https://github.com/maksar/rubygems_proxy )
+source :rubygems
+
+group :default do
+  gem 'sinatra'
+  #gem 'sinatra-contrib'
+end
+
+group :debug do
+  # Gems required by Rubymine's debugger - download and deploy .gem files into #{APP_ROOT}/vendor/cache
+  gem 'linecache19', '0.5.13'                  # http://rubyforge.org/frs/download.php/75414/linecache19-0.5.13.gem
+  gem 'ruby-debug-base19x', '~> 0.11.30.pre10' # http://rubygems.org/downloads/ruby-debug-base19x-0.11.30.pre10.gem
+  gem 'ruby-debug-ide', '~> 0.4.17.beta8'      # http://rubygems.org/downloads/ruby-debug-ide-0.4.17.beta14.gem
+end

Gemfile.lock

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+GEM
+  remote: http://rubygems.dev/
+  remote: http://rubygems.org/
+  specs:
+    archive-tar-minitar (0.5.2)
+    columnize (0.3.6)
+    linecache19 (0.5.13)
+      ruby_core_source (>= 0.1.4)
+    rack (1.4.1)
+    rack-protection (1.2.0)
+      rack
+    rake (0.9.2.2)
+    ruby-debug-base19x (0.11.30.pre10)
+      columnize (>= 0.3.1)
+      linecache19 (>= 0.5.11)
+      rake (>= 0.8.1)
+      ruby_core_source (>= 0.1.4)
+    ruby-debug-ide (0.4.17.beta14)
+      rake (>= 0.8.1)
+    ruby_core_source (0.1.5)
+      archive-tar-minitar (>= 0.5.2)
+    sinatra (1.3.3)
+      rack (~> 1.3, >= 1.3.6)
+      rack-protection (~> 1.2)
+      tilt (~> 1.3, >= 1.3.3)
+    tilt (1.3.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  linecache19 (= 0.5.13)
+  ruby-debug-base19x (~> 0.11.30.pre10)
+  ruby-debug-ide (~> 0.4.17.beta8)
+  sinatra

README.md

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-rubymine_pow
-============
+# Debugging example
 
-Super simple rubymine sinatra pow debugging example
+This example project is a super-simple example of how I used
+
+- [Sinatra](http://www.sinatrarb.com/)
+- [Pow!](http://pow.cx/)
+- [RubyMine](http://www.jetbrains.com/ruby/)
+
+to graphically debug a previous employer's simple web projects
+
+##### Prerequisites:
+
+* Pow installed
+* Customized gems installed (see Gemfile for details)
+
+##### Usage
+
+Add example preamble to config.ru of a pow-linked app
+
+`touch tmp/debug.txt`
+
+Load target project in Rubymine and construct a "Configuration" with your project name using the "Remote remote debug" defaults
+
+Ensure an appropriate Rubymine breakpoint is set somewhere in your sinatra app
+
+`touch tmp/restart.txt`
+
+Navigate a browser instance to your pow app's root (should wait - waiting for RubyMine's debugger client to connect)
+
+In Rubymine press "Debug" for the Rubymine "Configuration" you constructed above
+
+Rubymine should then halt on the pow request as required.
+
+Note:
+This example assumes the POW_WORKERS variable is set to 1 (one).  If multiple workers are active you may get errors that ruby-debug-ide could not attach to a port already in use.
+
+Pow-worker / ruby-debug-ide / Rubymine remote debug client port mappings are therefore left as an exercise to the reader. So to, pow timeout parameters.
+
+##### Lachlan Pitts ([parameme](mailto:github@parameme.com))
+
+- [parameme@github](https://github.com/parameme)
+- [@pittlsr](https://twitter.com/pittslr)
+- [Ennova](http://ennova.com.au)

app.rb

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+require 'sinatra'
+
+class App < Sinatra::Base
+  get '/' do
+    'Rubymine debugging lives!'
+  end
+end

config.ru

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+#require 'rubygems'       # ASSUMPTION: RUBY_VER > 1.9
+
+require 'bundler'
+Bundler.setup
+
+if File.exists?(File.join('tmp','debug.txt'))
+  require 'ruby-debug-ide'
+  require 'ostruct'
+
+  options = OpenStruct.new(
+      'frame_bind'  => false,
+      'host'        => nil,
+      'load_mode'   => false,
+      'port'        => 1234,
+      'stop'        => false,
+      'tracing'     => false
+  )
+
+  Debugger::PROG_SCRIPT = File.expand_path($0)
+
+  # set options
+  Debugger.debug_program(options)
+end
+
+require './app'
+run App

tmp/.gitignore

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+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

vendor/cache/.gitignore

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+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore