Stop writing after receiving Errno::EPIPE

We want to stop writing after server has closed its end of the pipe (as
no more data will be accepted) and proceed with reading the response.

.rubocop.yml

@@ -13,6 +13,11 @@ Layout/SpaceAroundOperators:
 Layout/SpaceInsideHashLiteralBraces:
   EnforcedStyle: no_space
 
+## Lint ########################################################################
+
+Lint/HandleExceptions:
+  Enabled: false
+
 ## Metrics #####################################################################
 
 Metrics/AbcSize:

lib/http/request/writer.rb

@@ -76,6 +76,8 @@ def send_request
         write(data) unless data.empty?
 
         write(CHUNKED_END) if chunked?
+      rescue Errno::EPIPE
+        # server doesn't need any more data
       end
 
       # Returns the chunk encoded for to the specified "Transfer-Encoding" header.
@@ -101,7 +103,7 @@ def write(data)
           data = data.byteslice(length..-1)
         end
       rescue Errno::EPIPE
-        # server doesn't need any more data
+        raise # re-raise Errno::EPIPE
       rescue IOError, SocketError, SystemCallError => ex
         raise ConnectionError, "error writing to socket: #{ex}", ex.backtrace
       end