lib/bootsnap/compile_cache/iseq.rb in bootsnap-1.16.0 vs lib/bootsnap/compile_cache/iseq.rb in bootsnap-1.17.0

@@ -10,10 +10,14 @@
         attr_reader(:cache_dir)
 
         def cache_dir=(cache_dir)
           @cache_dir = cache_dir.end_with?("/") ? "#{cache_dir}iseq" : "#{cache_dir}-iseq"
         end
+
+        def supported?
+          CompileCache.supported? && defined?(RubyVM)
+        end
       end
 
       has_ruby_bug_18250 = begin # https://bugs.ruby-lang.org/issues/18250
         if defined? RubyVM::InstructionSequence
           RubyVM::InstructionSequence.compile("def foo(*); ->{ super }; end; def foo(**); ->{ super }; end").to_binary
@@ -81,12 +85,10 @@
         def load_iseq(path)
           # Having coverage enabled prevents iseq dumping/loading.
           return nil if defined?(Coverage) && Bootsnap::CompileCache::Native.coverage_running?
 
           Bootsnap::CompileCache::ISeq.fetch(path.to_s)
-        rescue Errno::EACCES
-          Bootsnap::CompileCache.permission_error(path)
         rescue RuntimeError => error
           if error.message =~ /unmatched platform/
             puts("unmatched platform for file #{path}")
           end
           raise
@@ -101,14 +103,18 @@
       def self.compile_option_updated
         option = RubyVM::InstructionSequence.compile_option
         crc = Zlib.crc32(option.inspect)
         Bootsnap::CompileCache::Native.compile_option_crc32 = crc
       end
-      compile_option_updated
+      compile_option_updated if supported?
 
       def self.install!(cache_dir)
         Bootsnap::CompileCache::ISeq.cache_dir = cache_dir
+
+        return unless supported?
+
         Bootsnap::CompileCache::ISeq.compile_option_updated
+
         class << RubyVM::InstructionSequence
           prepend(InstructionSequenceMixin)
         end
       end
     end