symlink subdirs with .homesick_subdir

lib/homesick.rb

@@ -10,6 +10,7 @@ class Homesick < Thor
   add_runtime_options!
 
   GITHUB_NAME_REPO_PATTERN = /\A([A-Za-z_-]+\/[A-Za-z_-]+)\Z/
+  SUBDIR_FILENAME = ".homesick_subdir"
 
   def initialize(args=[], options={}, config={})
     super
@@ -96,7 +97,17 @@ class Homesick < Thor
     check_castle_existance(name, "symlink")
 
     inside castle_dir(name) do
-      files = Pathname.glob('{.*,*}').reject{|a| [".",".."].include?(a.to_s)}
+      # prepare subdir information
+      subdir_file = Pathname.new(".").join(SUBDIR_FILENAME)
+      subdirs = []
+      if subdir_file.exist? then
+        subdir_file.readlines.each do |subdir|
+          subdirs.push(subdir.chomp)
+        end
+      end
+
+      # link files
+      files = Pathname.glob('{.*,*}').reject{|a| [".", "..", SUBDIR_FILENAME, subdirs].flatten.include?(a.to_s)}
       files.each do |path|
         absolute_path = path.expand_path
 
@@ -106,6 +117,22 @@ class Homesick < Thor
           ln_s absolute_path, adjusted_path
         end
       end
+
+      # link files in subdirs
+      subdirs.each do |subdir|
+        inside subdir do
+          files = Pathname.glob('{.*,*}').reject{|a| [".", ".."].include?(a.to_s)}
+          files.each do |path|
+            absolute_path = path.expand_path
+
+            inside home_dir.join(subdir) do
+              adjusted_path =  (home_dir + path).basename
+
+              ln_s absolute_path, adjusted_path
+            end
+          end
+        end
+      end
     end
   end
 

spec/homesick_spec.rb

@@ -120,6 +120,21 @@ describe "homesick" do
         existing_dotdir_link.readlink.should == dotdir
       end
     end
+
+    context "when .homesick_subdir exists" do
+      let(:castle) { given_castle("glencairn", "glencairn", [".config"]) }
+
+      it "can symlink in sub directory" do
+        dotdir = castle.directory(".config")
+        dotfile = dotdir.file(".some_dotfile")
+
+        homesick.symlink("glencairn")
+
+        home_dotdir = home.join(".config")
+        home_dotdir.symlink?.should == false
+        home_dotdir.join(".some_dotfile").readlink.should == dotfile
+      end
+    end
   end
 
   describe "list" do

spec/spec_helper.rb

@@ -16,12 +16,19 @@ RSpec.configure do |config|
     homesick.stub(:say_status)
   end
 
-  def given_castle(name, path=name)
+  def given_castle(name, path=name, subdirs=[])
     castles.directory(path) do |castle|
       Dir.chdir(castle) do
         system "git init >/dev/null 2>&1"
         system "git remote add origin git://github.com/technicalpickles/#{name}.git >/dev/null 2>&1"
-        return castle.directory("home")
+        castle_home = castle.directory("home")
+        if subdirs then
+          subdir_file = castle_home.join(Homesick::SUBDIR_FILENAME)
+          subdirs.each do |subdir|
+            system "echo #{subdir} >> #{subdir_file}"
+          end
+        end
+        return castle_home
       end
     end
   end