guix/gnu/packages/patches/openjdk-9-module3-reproducibility.patch

From: Danny Milosavljevic <dannym@scratchpost.org>
Date: Wed, 18 Apr 2022 21:50:00 +0100
Subject: Make module descriptor reproducible

--- orig/jdk-3cc80be736f2/jdk/src/java.base/share/classes/java/lang/module/ModuleDescriptor.java	1970-01-01 01:00:01.000000000 +0100
+++ jdk-3cc80be736f2/jdk/src/java.base/share/classes/java/lang/module/ModuleDescriptor.java	2022-04-13 17:30:37.242775977 +0200
@@ -43,6 +43,7 @@
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
+import java.util.TreeSet;
 import java.util.function.Supplier;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -2155,9 +2156,9 @@
          * @return The module descriptor
          */
         public ModuleDescriptor build() {
-            Set<Requires> requires = new HashSet<>(this.requires.values());
-            Set<Exports> exports = new HashSet<>(this.exports.values());
-            Set<Opens> opens = new HashSet<>(this.opens.values());
+            Set<Requires> requires = new TreeSet<>(this.requires.values());
+            Set<Exports> exports = new TreeSet<>(this.exports.values());
+            Set<Opens> opens = new TreeSet<>(this.opens.values());
 
             // add dependency on java.base
             if (strict
@@ -2169,7 +2170,7 @@
                                           null));
             }
 
-            Set<Provides> provides = new HashSet<>(this.provides.values());
+            Set<Provides> provides = new TreeSet<>(this.provides.values());
 
             return new ModuleDescriptor(name,
                                         version,