Merge pull request #2894 from pchaigno/fix-warnings

Fix warnings

lib/linguist/blob.rb

@@ -63,7 +63,7 @@ module Linguist
     #
     # Returns an Array
     def extensions
-      basename, *segments = name.downcase.split(".")
+      _, *segments = name.downcase.split(".")
 
       segments.map.with_index do |segment, index|
         "." + segments[index..-1].join(".")

lib/linguist/lazy_blob.rb

@@ -28,6 +28,7 @@ module Linguist
       @oid = oid
       @path = path
       @mode = mode
+      @data = nil
     end
 
     def git_attributes

lib/linguist/repository.rb

@@ -30,6 +30,9 @@ module Linguist
       @repository = repo
       @commit_oid = commit_oid
 
+      @old_commit_oid = nil
+      @old_stats = nil
+
       raise TypeError, 'commit_oid must be a commit SHA1' unless commit_oid.is_a?(String)
     end
 

lib/linguist/shebang.rb

@@ -42,10 +42,10 @@ module Linguist
       return unless script
 
       # "python2.6" -> "python2"
-      script.sub! /(\.\d+)$/, ''
+      script.sub!(/(\.\d+)$/, '')
 
       # #! perl -> perl
-      script.sub! /^#!\s*/, ''
+      script.sub!(/^#!\s*/, '')
 
       # Check for multiline shebang hacks that call `exec`
       if script == 'sh' &&