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-rw-r--r--lib/mogilefs/http_file.rb8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/mogilefs/http_file.rb b/lib/mogilefs/http_file.rb
index c7949a5..a58801a 100644
--- a/lib/mogilefs/http_file.rb
+++ b/lib/mogilefs/http_file.rb
@@ -54,7 +54,7 @@ class MogileFS::HTTPFile < StringIO
                  "Content-Length: #{file_size}\r\n\r\n")
       rv = input ? MogileFS.io.copy_stream(@active = input, sock) : yield(sock)
     else
-      trailers = @md5 ? "Trailer: Content-MD5\r\n" : ""
+      trailers = @md5 ? "Trailer: Content-MD5\r\n".freeze : "".freeze
       sock.write("PUT #{uri.request_uri} HTTP/1.1\r\n" \
                  "Host: #{host_with_port}\r\n#{trailers}" \
                  "Transfer-Encoding: chunked\r\n\r\n")
@@ -143,14 +143,14 @@ class MogileFS::HTTPFile < StringIO
     end
 
     put = Net::HTTP::Put.new(uri.path)
-    put["Content-Type"] = "application/octet-stream".freeze
+    put["Content-Type".freeze] = "application/octet-stream".freeze
     if md5 = @opts[:content_md5]
       if md5.respond_to?(:call)
         md5 = md5.call.strip
       elsif md5 == :trailer
-        md5 = [ Digest::MD5.digest(string) ].pack("m").chomp!
+        md5 = [ Digest::MD5.digest(string) ].pack("m".freeze).chomp!
       end
-      put["Content-MD5"] = md5
+      put["Content-MD5".freeze] = md5
     end
     put.body = string
     res = @opts[:nhp_put].request(uri, put)