Revert "Also remove copying logic for jruby-native.rb"

This reverts commit 378c026.

Author: headius

Makefile

@@ -42,6 +42,22 @@ install:
 	@if [ -f $(BINDIR)/jruby -a ! -w $(BINDIR)/jruby ]; then echo "Cannot write to '$(BINDIR)/jruby'."; exit 1; fi
 	cp ./jruby $(BINDIR)/jruby
 	@if [ x$(PREFIX) = xnotspecified ]; then echo "Please define where to install by passing PREFIX=<jruby-home>."; exit 1; fi
+	@if [ ! -w $(INSTALLDIR) ]; then \
+		if [ ! -w $(OLDINSTALLDIR) ]; then \
+			if [ ! -w $(INSTALLDIR9000) ]; then \
+				echo "Neither '$(INSTALLDIR9000)' nor '$(INSTALLDIR)' nor '$(OLDINSTALLDIR)' exist and are writable"; exit 1; \
+			else \
+				echo "cp ./lib/rubygems/defaults/jruby_native.rb $(INSTALLDIR9000)"; \
+				cp ./lib/rubygems/defaults/jruby_native.rb $(INSTALLDIR9000); \
+			fi; \
+		else \
+			echo "cp ./lib/rubygems/defaults/jruby_native.rb $(OLDINSTALLDIR)"; \
+			cp ./lib/rubygems/defaults/jruby_native.rb $(OLDINSTALLDIR); \
+		fi; \
+	else \
+		echo "cp ./lib/rubygems/defaults/jruby_native.rb $(INSTALLDIR)"; \
+		cp ./lib/rubygems/defaults/jruby_native.rb $(INSTALLDIR); \
+	fi;
 
 test:
 	$(RAKE)