markdownファイルの拡張子をmdに変更し、記事の新規作成時に、画像用のディレクトリ自動生成と、年月毎ディレクトリ以下に記事を配置するように変更したのでメモ。

Rakefile.diff

diff --git a/Rakefile b/Rakefile
index c2f2a78..f9188c8 100644
--- a/Rakefile
+++ b/Rakefile
@@ -22,9 +22,10 @@ blog_index_dir  = 'source'    # directory for your blog's index page (if you put
 deploy_dir      = "_deploy"   # deploy directory (for Github pages deployment)
 stash_dir       = "_stash"    # directory to stash posts for speedy generation
 posts_dir       = "_posts"    # directory for blog files
+posts_images_dir= "images/posts"
 themes_dir      = ".themes"   # directory for blog files
-new_post_ext    = "markdown"  # default new post file extension when using the new_post task
-new_page_ext    = "markdown"  # default new page file extension when using the new_page task
+new_post_ext    = "md"  # default new post file extension when using the new_post task
+new_page_ext    = "md"  # default new page file extension when using the new_page task
 server_port     = "4000"      # port for preview server eg. localhost:4000


@@ -98,8 +99,12 @@ task :new_post, :title do |t, args|
     title = get_stdin("Enter a title for your post: ")
   end
   raise "### You haven't set anything up yet. First run `rake install` to set up an Octopress theme." unless File
-  mkdir_p "#{source_dir}/#{posts_dir}"
-  filename = "#{source_dir}/#{posts_dir}/#{Time.now.strftime('%Y-%m-%d')}-#{title.to_url}.#{new_post_ext}"
+  time_now = Time.now
+  post_dir_of_monthly = "#{source_dir}/#{posts_dir}/#{time_now.strftime('%Y-%m')}"
+  mkdir_p post_dir_of_monthly
+  # create dir of post's images
+  mkdir_p "#{source_dir}/#{posts_images_dir}/#{time_now.strftime('%Y/%m/%d')}/#{title.to_url}"
+  filename = "#{post_dir_of_monthly}/#{time_now.strftime('%Y-%m-%d')}-#{title.to_url}.#{new_post_ext}"
   if File.exist?(filename)
     abort("rake aborted!") if ask("#{filename} already exists. Do you want to overwrite?", ['y', 'n']) == 'n'
   end