Added option to specify time when creating posts

Rakefile

@@ -39,13 +39,14 @@ module JB
   end #Path
 end #JB
 
-# Usage: rake post title="A Title"
+# Usage: rake post title="A Title" date="2012-02-09"
 desc "Begin a new post in #{CONFIG['posts']}"
 task :post do
   abort("rake aborted: '#{CONFIG['posts']}' directory not found.") unless FileTest.directory?(CONFIG['posts'])
   title = ENV["title"] || "new-post"
   slug = title.downcase.strip.gsub(' ', '-').gsub(/[^\w-]/, '')
-  filename = File.join(CONFIG['posts'], "#{Time.now.strftime('%Y-%m-%d')}-#{slug}.#{CONFIG['post_ext']}")
+  date = ENV['date'] || Time.now.strftime('%Y-%m-%d')
+  filename = File.join(CONFIG['posts'], "#{date}-#{slug}.#{CONFIG['post_ext']}")
   if File.exist?(filename)
     abort("rake aborted!") if ask("#{filename} already exists. Do you want to overwrite?", ['y', 'n']) == 'n'
   end