FilesToInstall now accepts absolute paths for files or directories.

lib/mine_prefs.rb

@@ -40,13 +40,13 @@
 source_location   = File.join(File.dirname(File.expand_path(__FILE__)), "..", "RubyMineXX")
 target_location   = ENV['TARGET_DIR'] || Dir[File.expand_path(File.join("~", "Library", "Preferences", "RubyMine*"))].last
 
-files_to_install  = Dir[File.join(source_location, "options", "**", "*")].map { |file| file.gsub %r{.*/(options.*)}, '\1' }
-directories_to_install = ["keymaps", "codestyles", "templates"]
+files  = Dir[File.join(source_location, "options", "**", "*")]
+directories = ["keymaps", "codestyles", "templates"]
 
 files_to_install = MinePrefs::FilesToInstall.new(
   target_location: target_location,
   source_location: source_location,
-  files_or_directories_to_install:  directories_to_install + files_to_install,
+  files_or_directories_to_install:  directories + files,
 )
 
 feature = ARGV.first

lib/mine_prefs/files_to_install.rb

@@ -17,9 +17,11 @@ def each(&block)
     private
     def installable_files
       files_or_directories_to_install.map do |file_to_install|
+        file_to_install_relative_path_to_source = file_to_install.gsub(source_location, '')
+
         InstallableFile.new(
-          source: File.expand_path(File.join(source_location, file_to_install)),
-          target: File.expand_path(File.join(target_location, file_to_install)),
+          source: File.expand_path(File.join(source_location, file_to_install_relative_path_to_source)),
+          target: File.expand_path(File.join(target_location, file_to_install_relative_path_to_source)),
         )
       end
     end

spec/lib/mine_prefs/files_to_install_spec.rb

@@ -2,16 +2,35 @@
 
 module MinePrefs
   describe FilesToInstall do
-    describe "#each" do
-      it "returns the source and destination files for installation" do
-        installation_pair = FilesToInstall.new(
-          target_location: "/target",
-          source_location: "/source",
-          files_or_directories_to_install: ["/install_file"]
-        ).first
+    subject(:file_to_install) do
+      FilesToInstall.new(
+        target_location: "/target",
+        source_location: "/source",
+        files_or_directories_to_install: [file]
+      ).first
+    end
+
+    context "files or directories to install are relative to source" do
+      let(:file) { "install_file" }
+
+      it "calculates the target location of a file by combining the target path with the relative file path" do
+        file_to_install.target.should == "/target/install_file"
+      end
+
+      it "calculates the source location by combining the source path with the relative file path" do
+        file_to_install.source.should == "/source/install_file"
+      end
+    end
+
+    context "files or directories to install are absolute paths" do
+      let(:file) { "/source/install_file" }
+
+      it "calculates the target location of a file by combining the target path with the file path relative to the source" do
+        file_to_install.target.should == "/target/install_file"
+      end
 
-        installation_pair.target.should == "/target/install_file"
-        installation_pair.source.should == "/source/install_file"
+      it "calculates the source location by combining the source path with the file path relative to the source" do
+        file_to_install.source.should == "/source/install_file"
       end
     end
   end