From 2bac03ef92d747e8a8d254976d111f3409766e3d Mon Sep 17 00:00:00 2001
From: Adam Vandenberg <flangy@gmail.com>
Date: Mon, 12 Jul 2010 10:34:12 -0700
Subject: [PATCH] Use regex in brew-audit and add path concat test.

---
 Library/Contributions/examples/brew-audit.rb | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/Library/Contributions/examples/brew-audit.rb b/Library/Contributions/examples/brew-audit.rb
index 2c5d3a80d4..50728693d2 100755
--- a/Library/Contributions/examples/brew-audit.rb
+++ b/Library/Contributions/examples/brew-audit.rb
@@ -14,18 +14,25 @@ def ff
 end
 
 ff.each do |f|
+  text = ""
+  File.open(f.path, "r") { |afile| text = afile.read }
+
   problems = []
-  unless `grep "# depends_on 'cmake'" "#{f.path}"`.strip.empty?
-    problems << " * Commented cmake support still in #{f.name}"
+  if /# depends_on 'cmake'/ =~ text
+    problems << " * Commented cmake support found."
   end
 
-  unless `grep "\?use_mirror=" "#{f.path}"`.strip.empty?
-    problems << " * Remove 'use_mirror' from url for #{f.name}"
+  if /\?use_mirror=/ =~ text
+    problems << " * Remove 'use_mirror' from url."
+  end
+
+  if /(#\{\w+\s*\+\s*['"][^}]+\})/ =~ text
+    problems << " * Try not to concatenate paths in string interpolation:\n   #{$1}"
   end
 
   unless problems.empty?
     puts "#{f.name}:"
-    puts problems * '\n'
+    puts problems * "\n"
     puts
   end
 end