util.rb in sup-0.15.0

- old
+ new

@@ -6,10 +6,11 @@
 require 'pathname'
 require 'set'
 require 'enumerator'
 require 'benchmark'
 require 'unicode'
+require 'fileutils'
 
 ## time for some monkeypatching!
 class Symbol
   unless method_defined? :to_proc
     def to_proc
@@ -43,10 +44,21 @@
   end
 
   def touch_yourself; touch path end
 end
 
+class File
+  # platform safe file.link which attempts a copy if hard-linking fails
+  def self.safe_link src, dest
+    begin
+      File.link src, dest
+    rescue
+      FileUtils.copy src, dest
+    end
+  end
+end
+
 class Pathname
   def human_size
     s =
       begin
         size
@@ -117,11 +129,9 @@
 
   class Header
 
     # Convert to ASCII before trying to match with regexp
     class Field
-
-      EXTRACT_FIELD_NAME_RE = /\A([^\x00-\x1f\x7f-\xff :]+):\s*/no
 
       class << self
         def parse(field)
           field = field.dup.to_s
           field = field.fix_encoding!.ascii