rbenv.rb

# Usage:
# [install rbenv like normal] https://github.com/sstephenson/rbenv
# babushka 1.9.3.rbenv
# rbenv global 1.9.3-rc1
# rbenv rehash

# TODO: delegate all this to ruby-build.

dep 'rbenv' do
  met? {
    in_path? 'rbenv'
  }
  meet {
    git 'https://github.com/sstephenson/rbenv.git', :to => '~/.rbenv'
  }
end

meta :rbenv do
  accepts_value_for :version, :basename
  accepts_value_for :patchlevel
  accepts_block_for :customise
  template {
    def version_spec
      "#{version}-#{patchlevel}"
    end
    def prefix
      "~/.rbenv/versions" / version_spec
    end
    def version_group
      version.scan(/^\d\.\d/).first
    end
    requires 'rbenv', 'yaml headers.managed', 'openssl.lib'
    met? {
      (prefix / 'bin/ruby').executable? and
      shell(prefix / 'bin/ruby -v')[/^ruby #{version}#{patchlevel}\b/]
    }
    meet {
      Babushka::Resource.extract "http://ftp.ruby-lang.org/pub/ruby/#{version_group}/ruby-#{version_spec}.tar.gz" do |path|
        invoke(:customise)
        log_shell 'Configure', "./configure --prefix='#{prefix}' --with-openssl-dir=$(brew --prefix openssl)"
        log_shell 'Build',     "CFLAGS='-march=native -O3 -pipe -fomit-frame-pointer' make -j#{Babushka.host.cpus}"
        log_shell 'Install',   "make install"

        # ruby-1.9.2 doesn't install bin/* when the build path contains a dot-dir.
        shell "cp bin/* #{prefix / 'bin'}"
      end
    }
    after {
      log_shell 'rbenv rehash', 'rbenv rehash'
    }
  }
end

dep 'ruby', :version, :patchlevel, :prefix do
  def version_spec
    "#{version}-#{patchlevel}"
  end
  def version_group
    version.to_s.scan(/^\d\.\d/).first
  end

  def rbenv_prefix
    "~/.rbenv/versions" / version_spec
  end

  version.default!('1.9.3')
  patchlevel.default!('p374')
  prefix.default!(rbenv_prefix)

  def source_uri
    "http://ftp.ruby-lang.org/pub/ruby/#{version_group}/ruby-#{version_spec}.tar.gz"
  end

  def build_ruby
    log_shell 'Configure', "./configure --prefix='#{prefix}' --with-openssl-dir=$(brew --prefix openssl)"
    log_shell 'Build',     "CFLAGS='-march=native -O3 -pipe -fomit-frame-pointer' make -j#{Babushka.host.cpus}"
    log_shell 'Install',   "make install"

    # ruby-1.9.2 doesn't install bin/* when the build path contains a dot-dir.
    shell "cp bin/* #{prefix / 'bin'}"
  end

  requires 'rbenv', 'yaml headers.managed', 'openssl.lib'

  met? {
    (prefix / 'bin/ruby').executable? and
    shell(prefix / 'bin/ruby -v')[/^ruby #{version}#{patchlevel}\b/]
  }
  meet {
    Babushka::Resource.extract source_uri do |path|
      build_ruby
    end

    log_shell 'rbenv rehash', 'rbenv rehash'
  }
end

dep '2.0.0.rbenv' do
  patchlevel 'rc2'
end

dep '1.9.3.rbenv' do
  patchlevel 'p374'
end

dep '1.9.3-falcon.rbenv' do
  version '1.9.3'
  patchlevel 'p0'
  customise {
    falcon_patch = 'https://raw.github.com/gist/1658360/afd06eec533ad0140011bdaf652e6cd82eedf7ec/cumulative_performance.patch'
    shell "curl '#{falcon_patch}' | git apply"
  }
end

dep '1.9.2.rbenv' do
  patchlevel 'p290'
end

dep '1.8.7.rbenv' do
  patchlevel 'p352'
end

dep '1.8.6.rbenv' do
  patchlevel 'p420'
end