From b0a26e7f25f07bc7eb0cb4a2b54fa42e287963cecda2a1d5183d357f5bf84155 Mon Sep 17 00:00:00 2001
From: Fridrich Strba <fstrba@suse.com>
Date: Fri, 4 Aug 2023 17:13:32 +0000
Subject: [PATCH] OBS-URL:
 https://build.opensuse.org/package/show/Java:Factory/java-17-openjdk?expand=0&rev=104

---
 java-17-openjdk.changes              |  8 ++++
 java-17-openjdk.spec                 |  4 ++
 reproducible-javadoc-timestamp.patch | 60 ++++++++++++++++++++++++++++
 3 files changed, 72 insertions(+)
 create mode 100644 reproducible-javadoc-timestamp.patch

diff --git a/java-17-openjdk.changes b/java-17-openjdk.changes
index 94d06b9..0828cb0 100644
--- a/java-17-openjdk.changes
+++ b/java-17-openjdk.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Fri Aug  4 15:49:22 UTC 2023 - Fridrich Strba <fstrba@suse.com>
+
+- Added patch:
+  * reproducible-javadoc-timestamp.patch
+    + use SOURCE_DATE_EPOCH in javadoc and make the javadoc
+      generation more reproducible
+
 -------------------------------------------------------------------
 Tue Jul 25 06:21:18 UTC 2023 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/java-17-openjdk.spec b/java-17-openjdk.spec
index c4f7ca0..80ff71e 100644
--- a/java-17-openjdk.spec
+++ b/java-17-openjdk.spec
@@ -170,6 +170,8 @@ Patch17:        nss-security-provider.patch
 #
 Patch20:        loadAssistiveTechnologies.patch
 #
+Patch21:        reproducible-javadoc-timestamp.patch
+#
 # OpenJDK specific patches
 #
 Patch200:       ppc_stack_overflow_fix.patch
@@ -413,6 +415,8 @@ rm -rvf src/java.desktop/share/native/liblcms/lcms2*
 
 %patch20 -p1
 
+%patch21 -p1
+
 %patch200 -p1
 
 %patch300 -p1
diff --git a/reproducible-javadoc-timestamp.patch b/reproducible-javadoc-timestamp.patch
new file mode 100644
index 0000000..35a6332
--- /dev/null
+++ b/reproducible-javadoc-timestamp.patch
@@ -0,0 +1,60 @@
+--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/HtmlConfiguration.java
++++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/HtmlConfiguration.java
+@@ -213,6 +213,12 @@ public class HtmlConfiguration extends BaseConfiguration {
+         }
+         docletVersion = v;
+ 
++        if (System.getenv("SOURCE_DATE_EPOCH") != null) {
++            startTime = new Date(1000 * Long.parseLong(System.getenv("SOURCE_DATE_EPOCH")));
++        } else {
++            startTime = new Date();
++        }
++
+         conditionalPages = EnumSet.noneOf(ConditionalPage.class);
+     }
+     protected void initConfiguration(DocletEnvironment docEnv,
+@@ -223,7 +229,7 @@ public class HtmlConfiguration extends BaseConfiguration {
+     }
+ 
+     private final Runtime.Version docletVersion;
+-    public final Date startTime = new Date();
++    public final Date startTime;
+ 
+     @Override
+     public Runtime.Version getDocletVersion() {
+--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/Head.java
++++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/Head.java
+@@ -33,6 +33,7 @@ import java.util.Arrays;
+ import java.util.Collections;
+ import java.util.Date;
+ import java.util.List;
++import java.util.TimeZone;
+ 
+ import jdk.javadoc.internal.doclets.toolkit.Content;
+ import jdk.javadoc.internal.doclets.toolkit.util.DocPath;
+@@ -265,6 +266,9 @@ public class Head extends Content {
+ 
+         if (showTimestamp) {
+             SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
++            if (System.getenv("SOURCE_DATE_EPOCH") != null) {
++                dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
++            }
+             tree.add(HtmlTree.META("dc.created", dateFormat.format(generatedDate)));
+         }
+ 
+@@ -298,7 +302,14 @@ public class Head extends Content {
+         String text = "Generated by javadoc"; // marker string, deliberately not localized
+         text += " (" + docletVersion.feature() + ")";
+         if (timestamp) {
+-            text += " on " + now;
++            text += " on ";
++            if (System.getenv("SOURCE_DATE_EPOCH") == null) {
++                text += now;
++            } else {
++                SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");
++                fmt.setTimeZone(TimeZone.getTimeZone("UTC"));
++                text += fmt.format(now);
++            }
+         }
+         return new Comment(text);
+     }