Fix Rubocop errors

Author: davidstosik

lib/overcommit/hook/pre_commit/file_size.rb

@@ -1,4 +1,7 @@
+# frozen_string_literal: true
+
 module Overcommit::Hook::PreCommit
+  # Checks for oversized files before committing.
   class FileSize < Base
     DEFAULT_SIZE_LIMIT_BYTES = 1_000_000 # 1MB
 
@@ -12,43 +15,51 @@ def run
 
     private
 
-      def oversized_files
-        @_oversized_files ||= build_oversized_file_list
-      end
+    def oversized_files
+      @oversized_files ||= build_oversized_file_list
+    end
 
-      def build_oversized_file_list
-        applicable_files.select do |file|
-          file_size(file) > size_limit_bytes
-        end
+    def build_oversized_file_list
+      applicable_files.select do |file|
+        file_size(file) > size_limit_bytes
       end
+    end
 
-      def size_limit_bytes
-        config.fetch("size_limit_bytes", DEFAULT_SIZE_LIMIT_BYTES)
-      end
+    def size_limit_bytes
+      config.fetch('size_limit_bytes', DEFAULT_SIZE_LIMIT_BYTES)
+    end
 
-      def error_message_for(file)
-        Overcommit::Hook::Message.new(
-          :error,
-          file,
-          nil,
-          error_text_for(file)
-        )
-      end
+    def error_message_for(file)
+      Overcommit::Hook::Message.new(
+        :error,
+        file,
+        nil,
+        error_text_for(file)
+      )
+    end
 
-      def error_text_for(file)
-        "#{relative_path_for(file)} is over the file size limit of #{size_limit_bytes} bytes (is #{file_size(file)} bytes)"
-      end
+    def error_text_for(file)
+      error_text_format % {
+        path: relative_path_for(file),
+        limit: size_limit_bytes,
+        size: file_size(file)
+      }
+    end
 
-      def file_size(file)
-        File.size(file)
-      end
+    def error_text_format
+      '%<path>s is over the file size limit of %<limit>s bytes (is %<size>s bytes)'
+    end
 
-      def relative_path_for(file)
-        Pathname.new(file).relative_path_from(repo_root_path)
-      end
+    def file_size(file)
+      File.size(file)
+    end
 
-      def repo_root_path
-        @_repo_root_path ||= Pathname.new(Overcommit::Utils.repo_root)
-      end
+    def relative_path_for(file)
+      Pathname.new(file).relative_path_from(repo_root_path)
+    end
+
+    def repo_root_path
+      @repo_root_path ||= Pathname.new(Overcommit::Utils.repo_root)
+    end
   end
 end