[Rails3] Gem and rake changes to support RVM.

Author: metaskills

Gemfile

@@ -1,3 +1,4 @@
+
 source :rubygems
 
 gemspec :path => ENV['RAILS_SOURCE']
@@ -12,3 +13,4 @@ group :development do
     gem "ruby-debug", ">= 0.10.3"
   end
 end
+

Rakefile

@@ -3,6 +3,13 @@ require 'rake/testtask'
 require 'rake/rdoctask'
 
 
+desc 'Default runs tests for the adapters ODBC mode.'
+task :test do
+  test = Rake::Task['sqlserver:test:odbc']
+  test.invoke
+end
+
+
 namespace :sqlserver do
 
   namespace :test do
@@ -34,9 +41,186 @@ namespace :sqlserver do
 end
 
 
-desc 'Default runs tests for the adapters ODBC mode.'
-task :test do
-  test = Rake::Task['sqlserver:test:odbc']
-  test.invoke
+namespace :rvm do
+  
+  RUBIES = {
+    'ruby-1.8.6'      => {:alias => 'sqlsvr186', :odbc => '0.99991'},
+    'ruby-1.8.7'      => {:alias => 'sqlsvr187', :odbc => '0.99991'},
+    'ruby-1.9.1'      => {:alias => 'sqlsvr191', :odbc => '0.99991'},
+    'ruby-1.9.2-rc2'  => {:alias => 'sqlsvr192', :odbc => '0.99992pre3'},
+    'ree-1.8.7'       => {:alias => 'sqlsvrree', :odbc => '0.99991'}
+  }
+  
+  task :setup do
+    unless @rvm_setup
+      rvm_lib_path = "#{`echo $rvm_path`.strip}/lib"
+      $LOAD_PATH.unshift(rvm_lib_path) unless $LOAD_PATH.include?(rvm_lib_path)
+      require 'rvm'
+      require 'tmpdir'
+      @rvm_setup = true
+    end
+  end
+  
+  task :debug => :setup do
+    
+  end
+  
+  task :test => :setup do
+    rubies = RUBIES.map { |rubie, info| info[:alias] }
+    puts "Run this:\nrvm #{rubies.join(',')} rake test"
+  end
+  
+  task :wipe => :setup do
+    rvm_rubies.each { |rubie| RVM.remove(rubie,:gems=>true) }
+    RVM.cleanup_all
+  end
+  
+  namespace :install do
+    
+    desc "Install the following rubie versions if not already: #{RUBIES.keys.inspect}"
+    task :rubies => :setup do
+      installed_rubies = RVM.list_strings
+      RUBIES.keys.each do |rubie|
+        if installed_rubies.any? { |ir| ir =~ /#{rubie}/ }
+          puts "info: Rubie #{rubie} already installed."
+        else
+          with_my_environment_vars do
+            good_msg = "info: Rubie #{rubie} installed."
+            bad_msg = "Failed #{rubie} install! Check RVM logs here: #{RVM.path}/log/#{rubie}"
+            puts "info: Rubie #{rubie} installation inprogress. This could take awhile..."
+            RVM.install(rubie,rvm_install_options) ? puts(good_msg) : abort(bad_msg)
+          end
+        end
+      end
+      rvm_each_rubie do
+        RVM.gemset_create rvm_gemset_name
+        RVM.alias_create rvm_current_rubie_info[:alias], rvm_current_name
+      end
+    end
+    
+    desc "Install ruby-odbc for each rubie version."
+    task :odbc => :setup do
+      rvm_each_rubie do
+        odbc = "ruby-odbc-#{rvm_current_rubie_info[:odbc]}"
+        RVM.chdir(Dir.tmpdir) do
+          RVM.run "rm -rf #{odbc}*"
+          puts "info: RubyODBC downloading #{odbc}..."
+          RVM.run "curl -O http://www.ch-werner.de/rubyodbc/#{odbc}.tar.gz"
+          puts "info: RubyODBC extracting clean work directory..."
+          RVM.run "tar -xf #{odbc}.tar.gz"
+          RVM.chdir("#{odbc}/ext") do
+            puts "info: RubyODBC configuring..."
+            RVM.ruby 'extconf.rb', "--with-odbc-dir=#{rvm_odbc_dir}"
+            puts "info: RubyODBC make and installing for #{rvm_current_name}..."
+            RVM.run "make && make install"
+          end
+        end
+      end
+    end
+    
+    desc "Install development gems using bundler to each rubie version, installing bundler if not already."
+    task :bundle => :setup do
+      rvm_each_rubie do
+        rvm_install_gem 'bundler', '1.0.0.rc.3'
+        RVM.run 'bundle install'
+      end
+    end
+    
+  end
+  
 end
 
+
+
+# RVM Helper Methods
+
+def rvm_each_rubie
+  rvm_rubies.each do |rubie|
+    RVM.use(rubie)
+    yield
+  end
+ensure
+  RVM.reset_current!
+end
+
+def rvm_rubies
+  RUBIES.keys.map{ |rubie| "#{rubie}@#{rvm_gemset_name}" }
+end
+
+def rvm_current_rubie_info
+  key = rvm_current_rubie_name
+  while !key.empty?
+    info = RUBIES[key]
+    return info if info
+    new_key = key.split('-') ; new_key.pop
+    key = new_key.join('-')
+  end
+end
+
+def rvm_current_rubie_name
+  rvm_current_name.sub("@#{rvm_gemset_name}",'')
+end
+
+def rvm_current_name
+  RVM.current.expanded_name
+end
+
+def rvm_gemset_name
+  'sqlserver'
+end
+
+def rvm_with_macports?
+  `uname`.strip == 'Darwin' && !`which port`.empty?
+end
+
+def rvm_install_options
+  {}
+end
+
+def rvm_odbc_dir
+  rvm_with_macports? ? '/opt/local' : '/usr/local'
+end
+
+def rvm_gem_available?(*specs)
+  available_args = specs.map{ |s| "'#{s}'" }.join(',')
+  RVM.ruby_eval("require 'rubygems' ; print Gem.available?(#{available_args})").stdout == 'true'
+end
+
+def rvm_install_gem(*specs)
+  gem, version = specs
+  spec_info = specs.join(', ')
+  if rvm_gem_available?(*specs)
+    puts "info: Gem #{spec_info} already installed in #{rvm_current_name}."
+  else
+    puts "info: Installing gem #{spec_info} in #{rvm_current_name}..."
+    install_args = [:gem, 'install', gem]
+    install_args += ['-v', version] if version && !version.empty?
+    puts RVM.perform_set_operation(*install_args).stdout
+  end
+end
+
+def with_my_environment_vars
+  my_vars = my_environment_vars
+  current_vars = my_vars.inject({}) { |cvars,kv| k,v = kv ; cvars[k] = ENV[k] ; cvars }
+  set_environment_vars(my_vars)
+  yield
+ensure
+  set_environment_vars(current_vars)
+end
+
+def my_environment_vars
+  if rvm_with_macports?
+    { 'CC' => '/usr/bin/gcc-4.2',
+      'CFLAGS' => '-O2 -arch x86_64',
+      'LDFLAGS' => '-L/opt/local/lib -arch x86_64',
+      'CPPFLAGS' => '-I/opt/local/include' }
+  else
+    {}
+  end
+end
+
+def set_environment_vars(vars)
+  vars.each { |k,v| ENV[k] = v }
+end
+
+

activerecord-sqlserver-adapter.gemspec

@@ -16,6 +16,6 @@ Gem::Specification.new do |s|
   s.extra_rdoc_files = ['README.rdoc']
   s.rdoc_options.concat ['--main',  'README.rdoc']
 
-  s.add_dependency('activerecord', '~> 3.0.0')
+  s.add_dependency('activerecord', '~> 3.0')
 end