Use fatal DSL method in requirements

Formula/appledoc.rb

@@ -1,12 +1,11 @@
 require 'formula'
 
 class LionOrNewer < Requirement
+  fatal true
+
   def satisfied?
     MacOS.version >= :lion
   end
-  def fatal?
-    true
-  end
   def message
     "Appledoc requires Mac OS X 10.7 (Lion) or newer."
   end

Formula/avian.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class JdkInstalled < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     A JDK is required.
 
@@ -12,10 +14,6 @@ class JdkInstalled < Requirement
   def satisfied?
     which 'javac'
   end
-
-  def fatal?
-    true
-  end
 end
 
 class Avian < Formula

Formula/cmu-sphinxbase.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class HomebrewedPython < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     Compiling against the system-provided Python will likely fail.
     The system-provided Python includes PPC support, which will cause a compiler
@@ -12,9 +14,6 @@ class HomebrewedPython < Requirement
   def satisfied?
     Formula.factory('python').installed?
   end
-  def fatal?
-    false
-  end
 end
 
 class CmuSphinxbase < Formula

Formula/coq.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class TransitionalMode < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     camlp5 must be compiled in transitional mode (instead of --strict mode):
       brew install camlp5
@@ -12,9 +14,6 @@ class TransitionalMode < Requirement
     # If installed, make sure it is transitional instead of strict.
     `camlp5 -pmode 2>&1`.chomp == 'transitional'
   end
-  def fatal?
-    true
-  end
 end
 
 class Coq < Formula

Formula/cvs2svn.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class PythonWithGdbm < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     The Python being used does not include gdbm support,
     but it is required to build this formula:
@@ -14,10 +16,6 @@ class PythonWithGdbm < Requirement
   def satisfied?
     quiet_system "python", "-c", "import gdbm"
   end
-
-  def fatal?
-    true
-  end
 end
 
 class Cvs2svn < Formula

Formula/diffpdf.rb

@@ -1,15 +1,13 @@
 require 'formula'
 
 class PopplerQt4 < Requirement
+  fatal true
+
   def satisfied?
     poppler = Tab.for_formula 'poppler'
     poppler.installed_with? '--with-qt4'
   end
 
-  def fatal?
-    true
-  end
-
   def message; <<-EOS.undent
     DiffPDF requires the Poppler-Qt4 bindings but Poppler was not installed
     with support for Qt. Please reinstall Poppler using the `--with-qt4`

Formula/elixir.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class ErlangInstalled < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     Erlang is required to install.
 
@@ -15,10 +17,6 @@ class ErlangInstalled < Requirement
   def satisfied?
     which 'erl'
   end
-
-  def fatal?
-    true
-  end
 end
 
 class Elixir < Formula

Formula/hyperestraier.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class EucjpMecabIpadic < Requirement
+  fatal true
+
   def initialize
     @mecab_ipadic_installed = Formula.factory('mecab-ipadic').installed?
   end
@@ -9,10 +11,6 @@ class EucjpMecabIpadic < Requirement
     @mecab_ipadic_installed && mecab_dic_charset == 'euc'
   end
 
-  def fatal?
-    true
-  end
-
   def message
     if @mecab_ipadic_installed
       <<-EOS.undent

Formula/mongodb.rb

@@ -1,12 +1,12 @@
 require 'formula'
 
 class SixtyFourBitRequired < Requirement
+  fatal true
+
   def satisfied?
     MacOS.prefer_64_bit?
   end
 
-  def fatal?; true end
-
   def message; <<-EOS.undent
     32-bit MongoDB binaries are no longer available.
 

Formula/mupdf.rb

@@ -1,14 +1,12 @@
 require 'formula'
 
 class NeedsSnowLeopard < Requirement
+  fatal true
+
   def satisfied?
     MacOS.version >= :snow_leopard
   end
 
-  def fatal?
-    true
-  end
-
   def message; <<-EOS.undent
     The version of Freetype that comes with Leopard is too old to build MuPDF
     against. It is possible to get MuPDF working on Leopard using the Freetype

Formula/mysql-connector-odbc.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class MySqlInstalled < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     MySQL is required to install.
 
@@ -18,9 +20,6 @@ class MySqlInstalled < Requirement
   def satisfied?
     which 'mysql_config'
   end
-  def fatal?
-    true
-  end
 end
 
 class MysqlConnectorOdbc < Formula

Formula/nu.rb

@@ -1,15 +1,14 @@
 require 'formula'
 
 class NeedsLion < Requirement
+  fatal true
+
   def satisfied?
     MacOS.version >= :lion
   end
   def message
     "Nu requires Mac OS X 10.7 or newer"
   end
-  def fatal?
-    true
-  end
 end
 
 class Nu < Formula

Formula/pdf2svg.rb

@@ -1,15 +1,13 @@
 require 'formula'
 
 class PopplerGlib < Requirement
+  fatal true
+
   def satisfied?
     poppler = Tab.for_formula 'poppler'
     poppler.installed_with? '--with-glib'
   end
 
-  def fatal?
-    true
-  end
-
   def message; <<-EOS.undent
     pdf2svg requires the Poppler-Glib bindings but Poppler was not installed
     with support for glib. Please reinstall Poppler using the `--with-glib`

Formula/shocco.rb

@@ -9,6 +9,8 @@ class Pygments < Formula
 end
 
 class MarkdownProvider < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     shocco requires a `markdown` command.
 
@@ -23,10 +25,6 @@ class MarkdownProvider < Requirement
   def satisfied?
     which 'markdown'
   end
-
-  def fatal?
-    true
-  end
 end
 
 class Shocco < Formula

Formula/signing-party.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class GnupgInstalled < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     Gnupg is required to use these tools.
 
@@ -16,10 +18,6 @@ class GnupgInstalled < Requirement
   def satisfied?
     which 'gpg' or which 'gpg2'
   end
-
-  def fatal?
-    false
-  end
 end
 
 class SigningParty < Formula

Formula/squid.rb

@@ -1,6 +1,9 @@
 require 'formula'
 
 class NoBdb5 < Requirement
+  # Not fatal in case Squid starts working with a newer version of BDB.
+  fatal false
+
   def message; <<-EOS.undent
     This software can fail to compile when Berkeley-DB 5.x is installed.
     You may need to try:
@@ -14,11 +17,6 @@ class NoBdb5 < Requirement
     f = Formula.factory("berkeley-db")
     not f.installed?
   end
-
-  # Not fatal in case Squid starts working with a newer version of BDB.
-  def fatal?
-    false
-  end
 end
 
 class Squid < Formula

Formula/subversion.rb

@@ -7,16 +7,14 @@ def build_ruby?;   build.include? "ruby";   end
 def with_unicode_path?; build.include? "unicode-path"; end
 
 class UniversalNeon < Requirement
+  fatal true
+
   def message; <<-EOS.undent
       A universal build was requested, but neon was already built for a single arch.
       You will need to `brew rm neon` first.
     EOS
   end
 
-  def fatal?
-    true
-  end
-
   def satisfied?
     f = Formula.factory('neon')
     !f.installed? || archs_for_command(f.lib+'libneon.dylib').universal?
@@ -24,16 +22,14 @@ class UniversalNeon < Requirement
 end
 
 class UniversalSqlite < Requirement
+  fatal true
+
   def message; <<-EOS.undent
       A universal build was requested, but sqlite was already built for a single arch.
       You will need to `brew rm sqlite` first.
     EOS
   end
 
-  def fatal?
-    true
-  end
-
   def satisfied?
     f = Formula.factory('sqlite')
     !f.installed? || archs_for_command(f.lib+'libsqlite3.dylib').universal?
@@ -41,16 +37,14 @@ class UniversalSqlite < Requirement
 end
 
 class UniversalSerf < Requirement
+  fatal true
+
   def message; <<-EOS.undent
       A universal build was requested, but serf was already built for a single arch.
       You will need to `brew rm serf` first.
     EOS
   end
 
-  def fatal?
-    true
-  end
-
   def satisfied?
     f = Formula.factory('serf')
     !f.installed? || archs_for_command(f.lib+'libserf-1.0.0.0.dylib').universal?

Formula/uwsgi.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class UniversalPcre < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     pcre must be build universal for uwsgi to work.
     You will need to:
@@ -9,10 +11,6 @@ class UniversalPcre < Requirement
     EOS
   end
 
-  def fatal?
-    true
-  end
-
   def satisfied?
     f = Formula.factory('pcre')
     f.installed? && archs_for_command(f.lib/'libpcre.dylib').universal?

Formula/wxmac.rb

@@ -1,6 +1,8 @@
 require 'formula'
 
 class FrameworkPython < Requirement
+  fatal true
+
   def message; <<-EOS.undent
     Python needs to be built as a framework.
     EOS
@@ -9,7 +11,6 @@ class FrameworkPython < Requirement
     q = `python -c "import distutils.sysconfig as c; print(c.get_config_var('PYTHONFRAMEWORK'))"`
     not q.chomp.empty?
   end
-  def fatal?; true; end
 end
 
 class Wxmac < Formula