util.rb in inochi-1.0.0

- old
+ new

@@ -1,5 +1,10 @@
+#--
+# Copyright 2008 Suraj N. Kurapati
+# See the LICENSE file for details.
+#++
+
 class << Inochi
   ##
   # Returns the name of the main program executable, which
   # is the same as the project name fully in lowercase.
   #
@@ -30,20 +35,37 @@
     end
 
     input
   end
 
+  ##
+  # Establishes version requirements for the given gem.
+  #
+  # Returns the sanitized Gem version requirements.
+  #
+  def require_gem_version gem_name, version_reqs
+    version_reqs = Array(version_reqs).compact
+
+    begin
+      gem gem_name.to_s, *version_reqs
+    rescue Gem::Exception, Gem::LoadError => e
+      warn e.inspect
+    end
+
+    version_reqs
+  end
+
   private
 
   INOCHI_LIBRARY_PATH = File.dirname(__FILE__)
 
   ##
   # Returns the path of the first file outside
   # Inochi's core from which this method was called.
   #
   def first_caller_file
     caller.each do |step|
-      if file = step[/^.+(?=:\d+$)/]
+      if file = step[/^.+(?=:\d+(?::|\z))/]
         file = File.expand_path(file)
         base = File.dirname(file)
 
         break file unless base.index(INOCHI_LIBRARY_PATH) == 0
       end