terminal: rescue Errno::EOPNOTSUPP

Fixes #1352 (crash when $stdout is a socket)

Spin defines its own `#tty?` method on `$stdout`, which breaks Pry.

9112a702a1/lib/spin.rb (L342)

CHANGELOG.md

@@ -5,6 +5,7 @@
 * Add 'gem-readme' command, prints the README file bundled with a rubygem
 * Add 'gem-search' command, searches for a gem with the rubygems.org HTTP API
 * Fixed bug in the `cat` command where it was impossible to use line numbers with files ([#1349](https://github.com/pry/pry/issues/1349))
+* Fixed uncaught Errno::EOPNOTSUPP exception when $stdout is a socket ([#1352](https://github.com/pry/pry/issues/1352))
 
 ### 0.10.1
 

lib/pry/terminal.rb

@@ -1,3 +1,4 @@
+# coding: utf-8
 class Pry::Terminal
   class << self
     # Return a pair of [rows, columns] which gives the size of the window.
@@ -41,11 +42,21 @@ class Pry::Terminal
 
     def screen_size_according_to_io_console
       return if Pry::Helpers::BaseHelpers.jruby?
-      require 'io/console'
-      $stdout.winsize if $stdout.tty? and $stdout.respond_to?(:winsize)
-    rescue LoadError
-      # They probably don't have the io/console stdlib or the io-console gem.
-      # We'll keep trying.
+
+      begin
+        require 'io/console'
+
+        begin
+          if $stdout.tty? && $stdout.respond_to?(:winsize)
+            $stdout.winsize
+          end
+        rescue Errno::EOPNOTSUPP
+          # $stdout is probably a socket, which doesn't support #winsize.
+        end
+      rescue LoadError
+        # They probably don't have the io/console stdlib or the io-console gem.
+        # We'll keep trying.
+      end
     end
 
     def screen_size_according_to_env