Split some classes to formula_support

formula.rb is getting big, let's start splitting things out.

1 files changed, 1 insertions, 93 deletions

diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 2af3adec3..d53316fa7 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -1,98 +1,6 @@
 require 'download_strategy'
 require 'fileutils'
-
-# Defines a URL and download method for a stable or HEAD build
-class SoftwareSpecification
-  attr_reader :url, :specs, :using
-
-  VCS_SYMBOLS = {
-    :bzr     => BazaarDownloadStrategy,
-    :curl    => CurlDownloadStrategy,
-    :cvs     => CVSDownloadStrategy,
-    :git     => GitDownloadStrategy,
-    :hg      => MercurialDownloadStrategy,
-    :nounzip => NoUnzipCurlDownloadStrategy,
-    :post    => CurlPostDownloadStrategy,
-    :svn     => SubversionDownloadStrategy,
-  }
-
-  def initialize url, specs=nil
-    raise "No url provided" if url.nil?
-    @url = url
-    unless specs.nil?
-      # Get download strategy hint, if any
-      @using = specs.delete :using
-      # The rest of the specs are for source control
-      @specs = specs
-    end
-  end
-
-  # Returns a suitable DownloadStrategy class that can be
-  # used to retreive this software package.
-  def download_strategy
-    return detect_download_strategy(@url) if @using.nil?
-
-    # If a class is passed, assume it is a download strategy
-    return @using if @using.kind_of? Class
-
-    detected = VCS_SYMBOLS[@using]
-    raise "Unknown strategy #{@using} was requested." unless detected
-    return detected
-  end
-
-  def detect_version
-    Pathname.new(@url).version
-  end
-end
-
-
-# Used to annotate formulae that duplicate OS X provided software
-# or cause conflicts when linked in.
-class KegOnlyReason
-  attr_reader :reason, :explanation
-
-  def initialize reason, explanation=nil
-    @reason = reason
-    @explanation = explanation
-  end
-
-  def to_s
-    if @reason == :provided_by_osx
-      <<-EOS.strip
-Mac OS X already provides this program and installing another version in
-parallel can cause all kinds of trouble.
-
-#{@explanation}
-EOS
-    else
-      @reason.strip
-    end
-  end
-end
-
-
-# Used to annotate formulae that won't build correctly with LLVM.
-class FailsWithLLVM
-  attr_reader :msg, :data, :build
-
-  def initialize msg=nil, data=nil
-    if msg.nil? or msg.kind_of? Hash
-      @msg = "(No specific reason was given)"
-      data = msg
-    else
-      @msg = msg
-    end
-    @data = data
-    @build = data.delete :build rescue nil
-  end
-
-  def reason
-    s = @msg
-    s += "Tested with LLVM build #{@build}" unless @build == nil
-    s += "\n"
-    return s
-  end
-end
+require 'formula_support'
 
 
 # Derive and define at least @url, see Library/Formula for examples