Add s.get_make_var

This allows more complicated transformations to happen,
such as stripping out part of the variable.

1 files changed, 6 insertions, 0 deletions

diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index 088aea195..a0ec97af6 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -167,6 +167,12 @@ module HomebrewInreplaceExtension
       gsub! Regexp.new("^#{flag}[ \\t]*=(.*)$\n?"), ""
     end
   end
+  # Finds the specified variable
+  def get_make_var flag
+    m = match Regexp.new("^#{flag}[ \\t]*=[ \\t]*(.*)$")
+    return m[1] if m
+    return nil
+  end
 end
 
 def inreplace path, before=nil, after=nil