Enhance build scripts to check for up-to-date artifacts before creation

[iloveeclipse]

Don't rebuild jars if nothing changed!

See eclipse-pde/eclipse.pde#2233

[github-actions]

Test Results

 1 980 files   1 980 suites   1h 34m 50s ⏱️
 4 750 tests  4 726 ✅  24 💤 0 ❌
14 250 runs  14 068 ✅ 182 💤 0 ❌

Results for commit 14d2d19.

♻️ This comment has been updated with latest results.

[eclipse-platform-bot]

This pull request changes some projects for the first time in this development cycle.
Therefore the following files need a version increment:

ant/org.eclipse.ant.core/META-INF/MANIFEST.MF
ant/org.eclipse.ant.launching/META-INF/MANIFEST.MF
ant/org.eclipse.ant.tests.core/META-INF/MANIFEST.MF
ant/org.eclipse.ant.tests.ui/META-INF/MANIFEST.MF
ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
resources/bundles/org.eclipse.core.resources/META-INF/MANIFEST.MF

An additional commit containing all the necessary changes was pushed to the top of this PR's branch. To obtain these changes (for example if you want to push more changes) either fetch from your fork or apply the git patch.

Git patch

From 3e5cfa1ea0bfc071d164a0c8158e5723ceffed8f Mon Sep 17 00:00:00 2001
From: Eclipse Platform Bot <platform-bot@eclipse.org>
Date: Wed, 4 Mar 2026 13:30:18 +0000
Subject: [PATCH] Version bump(s) for 4.40 stream


diff --git a/ant/org.eclipse.ant.core/META-INF/MANIFEST.MF b/ant/org.eclipse.ant.core/META-INF/MANIFEST.MF
index 1ee8544c7c..3707d2e799 100644
--- a/ant/org.eclipse.ant.core/META-INF/MANIFEST.MF
+++ b/ant/org.eclipse.ant.core/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.ant.core; singleton:=true
-Bundle-Version: 3.7.800.qualifier
+Bundle-Version: 3.7.900.qualifier
 Bundle-Activator: org.eclipse.ant.core.AntCorePlugin
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
diff --git a/ant/org.eclipse.ant.launching/META-INF/MANIFEST.MF b/ant/org.eclipse.ant.launching/META-INF/MANIFEST.MF
index 6eacd3cda2..2792403d41 100644
--- a/ant/org.eclipse.ant.launching/META-INF/MANIFEST.MF
+++ b/ant/org.eclipse.ant.launching/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@ Bundle-ManifestVersion: 2
 Bundle-Localization: plugin
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.ant.launching;singleton:=true
-Bundle-Version: 1.4.1000.qualifier
+Bundle-Version: 1.4.1100.qualifier
 Bundle-Activator: org.eclipse.ant.internal.launching.AntLaunching
 Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.29.0,4.0.0)",
  org.eclipse.debug.core;bundle-version="[3.12.0,4.0.0)",
diff --git a/ant/org.eclipse.ant.tests.core/META-INF/MANIFEST.MF b/ant/org.eclipse.ant.tests.core/META-INF/MANIFEST.MF
index 91537bc0d9..9d49251709 100644
--- a/ant/org.eclipse.ant.tests.core/META-INF/MANIFEST.MF
+++ b/ant/org.eclipse.ant.tests.core/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.ant.tests.core; singleton:=true
-Bundle-Version: 3.8.0.qualifier
+Bundle-Version: 3.8.100.qualifier
 Bundle-ClassPath: anttestscore.jar
 Bundle-Activator: org.eclipse.ant.tests.core.testplugin.AntTestPlugin
 Bundle-Vendor: %providerName
diff --git a/ant/org.eclipse.ant.tests.ui/META-INF/MANIFEST.MF b/ant/org.eclipse.ant.tests.ui/META-INF/MANIFEST.MF
index 4c6fda9cf9..0e13e7be4a 100644
--- a/ant/org.eclipse.ant.tests.ui/META-INF/MANIFEST.MF
+++ b/ant/org.eclipse.ant.tests.ui/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.ant.tests.ui; singleton:=true
-Bundle-Version: 3.12.400.qualifier
+Bundle-Version: 3.12.500.qualifier
 Bundle-ClassPath: anttestsui.jar
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
diff --git a/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF b/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
index 8a4359cd84..19d587308e 100644
--- a/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
+++ b/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.ant.ui; singleton:=true
-Bundle-Version: 3.10.400.qualifier
+Bundle-Version: 3.10.500.qualifier
 Bundle-Activator: org.eclipse.ant.internal.ui.AntUIPlugin
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
diff --git a/resources/bundles/org.eclipse.core.resources/META-INF/MANIFEST.MF b/resources/bundles/org.eclipse.core.resources/META-INF/MANIFEST.MF
index f089e0fbcc..6a011fa99a 100644
--- a/resources/bundles/org.eclipse.core.resources/META-INF/MANIFEST.MF
+++ b/resources/bundles/org.eclipse.core.resources/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.core.resources; singleton:=true
-Bundle-Version: 3.23.200.qualifier
+Bundle-Version: 3.23.300.qualifier
 Bundle-Activator: org.eclipse.core.resources.ResourcesPlugin
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
-- 
2.53.0

Further information are available in Common Build Issues - Missing version increments.