Quickly-hacked script to remove all the signing stuff from the IronRuby VS solution

ironruby_signing_cleaner.rb

require 'rexml/document'
require 'ftools'
include REXML

# ---------------------------------------------------------------------------------------- #

GIT_ROOT    = 'C:/Development/ironruby'
SUPPORT_DIR = File.join(GIT_ROOT, 'Merlin/Main/Support')

# ---------------------------------------------------------------------------------------- #

def load_xml(file)
    Document.new(IO.readlines(file).to_s)
end

def save_xml(file, xml_doc, backup = false)
    File.rename(file, "#{file}.backup") if backup
    File.open(file, 'w') { |fp| xml_doc.write(fp) }
end

def copy_file_in_support(file, overwrite = false)
    Dir.mkdir(SUPPORT_DIR) unless File.exist?(SUPPORT_DIR)
    destination = File.join(SUPPORT_DIR, File.basename(file))
    File.delete(destination) if overwrite and File.exist?(destination)
    File.copy(file, destination)
end

def rewrite_appconfig(appconfig_file, backup = true)
    publickey_match = /31bf3856ad364e35/
    appconfig_doc   = load_xml(appconfig_file)

    section  = XPath.first(appconfig_doc, '/configuration/configSections/section')
    language = XPath.first(appconfig_doc, '/configuration/microsoft.scripting/languages/language[@names=\'IronRuby;Ruby;rb\']')

    section.attributes['type'].gsub!(publickey_match, 'null')
    language.attributes['type'].gsub!(publickey_match, 'null')

    save_xml(appconfig_file, appconfig_doc, backup)
end

def rewrite_csprojs(csproj_files, backup = true)
    csproj_files.each do |csproj_file|
        csproj_doc = load_xml(csproj_file)

        XPath.each(csproj_doc, '//Project/PropertyGroup/DefineConstants') do |node|
            node.text = node.text.gsub(/SIGNED;?/, '')
        end

        ['DelaySign', 'AssemblyOriginatorKeyFile', 'SignAssembly'].each do |node_name|
            csproj_doc.elements.delete_all("//Project/PropertyGroup/#{node_name}")
        end

        save_xml(csproj_file, csproj_doc, backup)
    end
end

# ---------------------------------------------------------------------------------------- #

copy_file_in_support(File.join(GIT_ROOT, 'Merlin/Main/Languages/Ruby/SpecSharp.targets'))
rewrite_appconfig(File.join(GIT_ROOT, 'Merlin/Main/App.config'))
rewrite_csprojs(Dir[File.join(GIT_ROOT, '**/*.csproj')])