fix: gracefully handle read only file system (eg RunKit)

Author: bethesque

lib/pact/configuration.rb

@@ -169,6 +169,11 @@ def create_logger
       logger = ::Logger.new(log_path)
       logger.level = ::Logger::DEBUG
       logger
+    rescue Errno::EROFS
+      # So we can run on RunKit
+      logger = ::Logger.new($stdout)
+      logger.level = ::Logger::DEBUG
+      logger
     end
   end
 

lib/pact/consumer_contract/pact_file.rb

@@ -33,6 +33,8 @@ def read uri, options = {}
     def save_pactfile_to_tmp pact, name
       ::FileUtils.mkdir_p Pact.configuration.tmp_dir
       ::File.open(Pact.configuration.tmp_dir + "/#{name}", "w") { |file|  file << pact}
+    rescue Errno::EROFS => e
+      # do nothing, probably on RunKit
     end
 
     def render_pact(uri_string, options)