Disable and add more deprecations.

These have all been deprecated/compat for a while.

Library/Homebrew/compat/ENV/std.rb

@@ -1,27 +1,25 @@
 module Stdenv
   def fast
-    odeprecated "ENV.fast"
+    odisabled "ENV.fast"
   end
 
   def O4
-    odeprecated "ENV.O4"
+    odisabled "ENV.O4"
   end
 
   def Og
-    odeprecated "ENV.Og"
+    odisabled "ENV.Og"
   end
 
   def gcc_4_0_1
-    odeprecated "ENV.gcc_4_0_1", "ENV.gcc_4_0"
-    gcc_4_0
+    odisabled "ENV.gcc_4_0_1", "ENV.gcc_4_0"
   end
 
   def gcc
-    odeprecated "ENV.gcc", "ENV.gcc_4_2"
-    gcc_4_2
+    odisabled "ENV.gcc", "ENV.gcc_4_2"
   end
 
   def libpng
-    odeprecated "ENV.libpng", "ENV.x11"
+    odisabled "ENV.libpng", "ENV.x11"
   end
 end

Library/Homebrew/compat/ENV/super.rb

@@ -1,47 +1,45 @@
 module Superenv
   def fast
-    odeprecated "ENV.fast"
+    odisabled "ENV.fast"
   end
 
   def O4
-    odeprecated "ENV.O4"
+    odisabled "ENV.O4"
   end
 
   def Og
-    odeprecated "ENV.Og"
+    odisabled "ENV.Og"
   end
 
   def gcc_4_0_1
-    odeprecated "ENV.gcc_4_0_1", "ENV.gcc_4_0"
-    gcc_4_0
+    odisabled "ENV.gcc_4_0_1", "ENV.gcc_4_0"
   end
 
   def gcc
-    odeprecated "ENV.gcc", "ENV.gcc_4_2"
-    gcc_4_2
+    odisabled "ENV.gcc", "ENV.gcc_4_2"
   end
 
   def libxml2
-    odeprecated "ENV.libxml2"
+    odisabled "ENV.libxml2"
   end
 
   def minimal_optimization
-    odeprecated "ENV.minimal_optimization"
+    odisabled "ENV.minimal_optimization"
   end
 
   def no_optimization
-    odeprecated "ENV.no_optimization"
+    odisabled "ENV.no_optimization"
   end
 
   def enable_warnings
-    odeprecated "ENV.enable_warnings"
+    odisabled "ENV.enable_warnings"
   end
 
   def macosxsdk
-    odeprecated "ENV.macosxsdk"
+    odisabled "ENV.macosxsdk"
   end
 
   def remove_macosxsdk
-    odeprecated "ENV.remove_macosxsdk"
+    odisabled "ENV.remove_macosxsdk"
   end
 end

Library/Homebrew/compat/extend/string.rb

@@ -1,5 +1,6 @@
 class String
   def undent
+    odeprecated "<<-EOS.undent", "<<~EOS"
     gsub(/^[ \t]{#{(slice(/^[ \t]+/) || '').length}}/, "")
   end
   alias unindent undent

Library/Homebrew/compat/formula_support.rb

@@ -0,0 +1,18 @@
+require "formula_support"
+
+class KegOnlyReason
+  alias _to_s to_s
+
+  def to_s
+    case @reason
+    when :provided_by_osx
+      odeprecated "keg_only :provided_by_osx", "keg_only :provided_by_macos"
+      @reason = :provided_by_macos
+    when :shadowed_by_osx
+      odeprecated "keg_only :shadowed_by_osx", "keg_only :shadowed_by_macos"
+      @reason = :shadowed_by_macos
+    end
+
+    _to_s
+  end
+end

Library/Homebrew/compat/language/haskell.rb

@@ -2,8 +2,7 @@ module Language
   module Haskell
     module Cabal
       def cabal_clean_lib
-        odeprecated "Language::Haskell::Cabal#cabal_clean_lib"
-        rm_rf lib
+        odisabled "Language::Haskell::Cabal#cabal_clean_lib"
       end
     end
   end

Library/Homebrew/compat/utils/shell.rb

@@ -1,8 +1,7 @@
 module Utils
   module Shell
     def self.shell_profile
-      odeprecated "Utils::Shell.shell_profile", "Utils::Shell.profile"
-      Utils::Shell.profile
+      odisabled "Utils::Shell.shell_profile", "Utils::Shell.profile"
     end
   end
 end

Library/Homebrew/formula_support.rb

@@ -32,15 +32,25 @@ class KegOnlyReason
 
   def to_s
     return @explanation unless @explanation.empty?
+
+    case @reason
+    when :provided_by_osx
+      odeprecated "keg_only :provided_by_osx", "keg_only :provided_by_macos"
+      @reason = :provided_by_macos
+    when :shadowed_by_osx
+      odeprecated "keg_only :shadowed_by_osx", "keg_only :shadowed_by_macos"
+      @reason = :shadowed_by_macos
+    end
+
     case @reason
     when :versioned_formula then <<~EOS
       this is an alternate version of another formula
     EOS
-    when :provided_by_macos, :provided_by_osx then <<~EOS
+    when :provided_by_macos then <<~EOS
       macOS already provides this software and installing another version in
       parallel can cause all kinds of trouble
     EOS
-    when :shadowed_by_macos, :shadowed_by_osx then <<~EOS
+    when :shadowed_by_macos then <<~EOS
       macOS provides similar software and installing this software in
       parallel can cause all kinds of trouble
     EOS