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kwin pushed a commit to branch feature/lastmodified
in repository https://gitbox.apache.org/repos/asf/maven-fluido-skin.git

commit 702d79ba623bd523a588e85a5133e3adaed21b78
Author: Konrad Windszus <[email protected]>
AuthorDate: Fri Mar 20 17:31:42 2026 +0100

    Support exposing SCM last modified date (instead of publish date)
---
 pom.xml                                            | 62 ++++++++++++++-
 src/main/resources/META-INF/maven/site-macros.vm   | 12 +--
 .../maven/skins/fluido/ScmLastModifiedIT.java      | 90 ++++++++++++++++++++++
 src/test/resources/modificationDate/pom.xml        | 72 +++++++++++++++++
 .../modificationDate/src/site/apt/index.apt.vm     | 36 +++++++++
 .../resources/modificationDate/src/site/site.xml   | 42 ++++++++++
 src/test/resources/modificationDate/verify.groovy  | 22 ++++++
 7 files changed, 328 insertions(+), 8 deletions(-)

diff --git a/pom.xml b/pom.xml
index 1dc5a48..49427ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -99,15 +99,53 @@ under the License.
     <anchorjs.version>4.3.1</anchorjs.version>
     <bootstrap.version>2.3.2</bootstrap.version>
     <jquery.version>1.11.2</jquery.version>
-    <version.maven-site-plugin>3.21.0</version.maven-site-plugin>
+    <version.maven-site-plugin>4.0.0-M17-SNAPSHOT</version.maven-site-plugin>
     
<project.build.outputTimestamp>2025-03-08T23:27:09Z</project.build.outputTimestamp>
     <!-- the following properties are used in ITs (which do not inherit 
anything from a common parent) -->
     <sitePluginVersion>${version.maven-site-plugin}</sitePluginVersion>
     <projectInfoReportsPluginVersion>3.8.0</projectInfoReportsPluginVersion>
 
     <version.maven-invoker-plugin>3.9.1</version.maven-invoker-plugin>
+    <version.maven-api>3.9.13</version.maven-api>
   </properties>
 
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven.shared</groupId>
+      <artifactId>maven-invoker</artifactId>
+      <version>3.3.0</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-core</artifactId>
+      <version>${version.maven-api}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-artifact</artifactId>
+      <version>${version.maven-api}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-model</artifactId>
+      <version>${version.maven-api}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-xml</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
   <build>
     <resources>
       <resource>
@@ -237,7 +275,6 @@ under the License.
       </plugin>
     </plugins>
   </build>
-
   <profiles>
     <profile>
       <id>run-its</id>
@@ -252,7 +289,6 @@ under the License.
             <configuration>
               <debug>true</debug>
               <projectsDirectory>src/it</projectsDirectory>
-              <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
               <preBuildHookScript>setup</preBuildHookScript>
               <postBuildHookScript>verify</postBuildHookScript>
               
<localRepositoryPath>${project.build.directory}/local-repo</localRepositoryPath>
@@ -280,6 +316,26 @@ under the License.
               </execution>
             </executions>
           </plugin>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-failsafe-plugin</artifactId>
+            <executions>
+              <execution>
+                <id>integration-test</id>
+                <goals>
+                  <goal>integration-test</goal>
+                  <goal>verify</goal>
+                </goals>
+                <configuration>
+                  <systemPropertyVariables>
+                    <!-- pass maven.home property to maven-verifier -->
+                    <maven.home>${maven.home}</maven.home>
+                    <skin.version>${project.version}</skin.version>
+                  </systemPropertyVariables>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
         </plugins>
       </build>
     </profile>
diff --git a/src/main/resources/META-INF/maven/site-macros.vm 
b/src/main/resources/META-INF/maven/site-macros.vm
index ef880af..ce55f51 100644
--- a/src/main/resources/META-INF/maven/site-macros.vm
+++ b/src/main/resources/META-INF/maven/site-macros.vm
@@ -280,8 +280,10 @@ $indent     </ul>##
 #end
 ##
 #macro( publishDate $position $sitePublishDate $version )
-#**##if( $publishDate )
-#*  *##set( $dateValue = $date.format( $publishDate ) )
+## Retrieve the relevant date to display (despite the macro name not always 
publish date)
+#**##set( $documentDate = $context.get($sitePublishDate.value) )
+#**##if( $documentDate )
+#*  *##set( $dateValue = $date.format( $documentDate ) )
 #**##else
 #*  *##set( $dateValue = $date )
 #**##end
@@ -303,7 +305,7 @@ $indent     </ul>##
 #**##if( $datePosition.equalsIgnoreCase( $position ) )
 #*  *##if( $datePosition.equalsIgnoreCase( "right" ) || 
$datePosition.equalsIgnoreCase( "bottom" ) )
 ## FIXME In some languages like French a space must preceed the colon
-        <li id="publishDate" class="pull-right">$prefix$text.get( 
"template.lastpublished" ): $dateValue</li>
+        <li id="publishDate" class="pull-right">$prefix$text.get( 
$sitePublishDate.prefix ): $dateValue</li>
 #*    *##if( $versionPosition.equalsIgnoreCase( $position ) )
           <li id="projectVersion" class="pull-right">##
 #*      *##if( !$topBarEnabled
@@ -318,7 +320,7 @@ $indent     </ul>##
 #*  *##elseif( $datePosition.equalsIgnoreCase( "navigation-bottom" ) || 
$datePosition.equalsIgnoreCase( "navigation-top" ) )
       <div id="lastPublished">
 ## FIXME In some languages like French a space must preceed the colon
-        <span id="publishDate">$text.get( "template.lastpublished" ): 
$dateValue</span>
+        <span id="publishDate">$text.get( $sitePublishDate.prefix ): 
$dateValue</span>
 #*    *##if( $versionPosition.equalsIgnoreCase( $position ) )
 ## FIXME In some languages like French a space must preceed the colon
         <span class="divider">|</span> <span id="projectVersion">$text.get( 
"template.version" ): ${project.version}</span>
@@ -326,7 +328,7 @@ $indent     </ul>##
       </div>
 #*  *##elseif( $datePosition.equalsIgnoreCase("left") )
 ## FIXME In some languages like French a space must preceed the colon
-        <li id="publishDate">$text.get( "template.lastpublished" ): 
$dateValue##
+        <li id="publishDate">$text.get( $sitePublishDate.prefix ): $dateValue##
 #*    *##if( $versionPosition.equalsIgnoreCase( $position ) || $breadcrumbs && 
$breadcrumbs.size() > 0 )
 #*      *#<span class="divider">|</span>
 #*    *##end
diff --git a/src/test/java/org/apache/maven/skins/fluido/ScmLastModifiedIT.java 
b/src/test/java/org/apache/maven/skins/fluido/ScmLastModifiedIT.java
new file mode 100644
index 0000000..9d7025e
--- /dev/null
+++ b/src/test/java/org/apache/maven/skins/fluido/ScmLastModifiedIT.java
@@ -0,0 +1,90 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.maven.skins.fluido;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.Arrays;
+
+import org.apache.maven.model.Model;
+import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
+import org.apache.maven.shared.invoker.DefaultInvocationRequest;
+import org.apache.maven.shared.invoker.DefaultInvoker;
+import org.apache.maven.shared.invoker.InvocationRequest;
+import org.apache.maven.shared.invoker.InvocationResult;
+import org.apache.maven.shared.invoker.Invoker;
+import org.apache.maven.shared.invoker.MavenInvocationException;
+import org.apache.maven.shared.invoker.SystemOutLogger;
+import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Cannot use maven-invoker-plugin for this test because it needs to be run in 
a SCM repository
+ * and the invoker always clones the project into target (see <a 
href="https://github.com/apache/maven-invoker-plugin/issues/712";>m-invoker-plugin
 issue #712</a>).
+ */
+class ScmLastModifiedIT {
+
+    @Test
+    void test() throws MavenInvocationException {
+        InvocationRequest request = new DefaultInvocationRequest();
+        request.setPomFile(new File("src/test/resources/modificationDate"));
+        configure(request);
+        Invoker invoker = new DefaultInvoker();
+        request.addArgs(Arrays.asList("clean", "site"));
+        //request.addArg("-X");
+        invoker.setLogger(new SystemOutLogger());
+        InvocationResult result = invoker.execute(request);
+        if (result.getExitCode() != 0) {
+            throw new IllegalStateException("Build failed.", 
result.getExecutionException());
+        }
+        // fail("Not yet implemented");
+    }
+
+    /**
+     * Retrieves the version of the fluido-skin. The version is used in the
+     * test poms so that the cli build uses the current plugin. Usually the 
version is set via the system property
+     * {@code plugin.version} via the failsafe plugin. If the property is 
missing the method tries to read it from the
+     * {@code pom.xml} of the project. This is useful when running the tests 
in an IDE.
+     *
+     * @return the version of the current {@code 
filevault-package-maven-plugin}
+     * @throws IllegalArgumentException if the version cannot be determined.
+     */
+    public static String getSkinArtifactVersion() {
+        String pluginVersion = System.getProperty("skin.version");
+        if (pluginVersion == null) {
+            try (FileReader fileReader = new FileReader("pom.xml")) {
+                // try to read from project
+                MavenXpp3Reader reader = new MavenXpp3Reader();
+                Model model = reader.read(fileReader);
+                pluginVersion = model.getVersion();
+            } catch (IOException | XmlPullParserException e) {
+                System.err.println("Unable to read skin version from pom.xml" 
+ e.getMessage());
+            }
+        }
+        if (pluginVersion == null) {
+            throw new IllegalArgumentException("Unable to detect skin 
version");
+        }
+        return pluginVersion;
+    }
+
+    private static void configure(InvocationRequest request) {
+        request.addArg("-DskinVersion=\"" + getSkinArtifactVersion() + "\"");
+    }
+}
diff --git a/src/test/resources/modificationDate/pom.xml 
b/src/test/resources/modificationDate/pom.xml
new file mode 100644
index 0000000..9c6e0ad
--- /dev/null
+++ b/src/test/resources/modificationDate/pom.xml
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.apache.maven.skins</groupId>
+    <artifactId>maven-skins</artifactId>
+    <version>46</version>
+  </parent>
+
+  <groupId>org.apache.maven.skins.its</groupId>
+  <artifactId>fluido-modification-date-it</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+
+  <name>IT, Verify rendering of modification date</name>
+  
<url>https://maven.apache.org/skins/fluido-modification-date-it/modificationDate/</url>
+
+  <properties>
+    <!-- START SNIPPET: skin-custom-config -->
+    
<project.build.outputTimestamp>1990-01-01T00:00:00Z</project.build.outputTimestamp>
+    <!-- END SNIPPET: skin-custom-config -->
+    <doxiaSitetoolsVersion>2.1.0-SNAPSHOT</doxiaSitetoolsVersion>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-site-plugin</artifactId>
+        <dependencies>
+          <dependency>
+              <groupId>org.apache.maven.doxia</groupId>
+              <artifactId>doxia-site-model</artifactId>
+              <version>${doxiaSitetoolsVersion}</version>
+            </dependency>
+            <dependency>
+              <groupId>org.apache.maven.doxia</groupId>
+              <artifactId>doxia-site-renderer</artifactId>
+              <version>${doxiaSitetoolsVersion}</version>
+            </dependency>
+            <dependency>
+              <groupId>org.apache.maven.doxia</groupId>
+              <artifactId>doxia-integration-tools</artifactId>
+              <version>${doxiaSitetoolsVersion}</version>
+            </dependency>
+            <dependency>
+              <groupId>org.apache.maven.doxia</groupId>
+              <artifactId>doxia-site-scm-context</artifactId>
+              <version>${doxiaSitetoolsVersion}</version>
+            </dependency>
+        </dependencies>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>
diff --git a/src/test/resources/modificationDate/src/site/apt/index.apt.vm 
b/src/test/resources/modificationDate/src/site/apt/index.apt.vm
new file mode 100644
index 0000000..468d7ae
--- /dev/null
+++ b/src/test/resources/modificationDate/src/site/apt/index.apt.vm
@@ -0,0 +1,36 @@
+ ------
+ ${project.name}
+ ------
+ Hervé Boutemy
+ ------
+ 2011-10-15
+ ------
+
+~~ Licensed to the Apache Software Foundation (ASF) under one
+~~ or more contributor license agreements.  See the NOTICE file
+~~ distributed with this work for additional information
+~~ regarding copyright ownership.  The ASF licenses this file
+~~ to you under the Apache License, Version 2.0 (the
+~~ "License"); you may not use this file except in compliance
+~~ with the License.  You may obtain a copy of the License at
+~~
+~~   http://www.apache.org/licenses/LICENSE-2.0
+~~
+~~ Unless required by applicable law or agreed to in writing,
+~~ software distributed under the License is distributed on an
+~~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~~ KIND, either express or implied.  See the License for the
+~~ specific language governing permissions and limitations
+~~ under the License.
+
+~~ NOTE: For help with the syntax of this file, see:
+~~ http://maven.apache.org/doxia/references/apt-format.html
+
+${project.name} - ${scmModifiedDate}
+
+ This is a test for ${skinName} with sidebar enabled and Google Search.
+ ${skinDescription}
+
+* Actual configuration
+
+%{snippet|id=skin-custom-config|file=${project.basedir}/pom.xml}
diff --git a/src/test/resources/modificationDate/src/site/site.xml 
b/src/test/resources/modificationDate/src/site/site.xml
new file mode 100644
index 0000000..bf44a0f
--- /dev/null
+++ b/src/test/resources/modificationDate/src/site/site.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+ -->
+
+<site xmlns="http://maven.apache.org/SITE/2.1.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+  xsi:schemaLocation="http://maven.apache.org/SITE/2.1.0 
https://maven.apache.org/xsd/site-2.1.0.xsd";
+  name="${skinName}">
+
+  <skin>
+    <groupId>org.apache.maven.skins</groupId>
+    <artifactId>maven-fluido-skin</artifactId>
+    <version>2.1.1-SNAPSHOT</version>
+  </skin>
+
+  <publishDate format="yyyy-MM-dd" position="right" value="scmModifiedDate" 
prefix="template.lastmodified"/>
+
+  <body>
+    <breadcrumbs>
+      <item name="Apache Maven Fluido Skin"  
href="https://maven.apache.org/skins/maven-fluido-skin/index.html"; />
+      <item name="Maven Fluido Skin ITs"  
href="https://maven.apache.org/skins/maven-fluido-skin/ITs.html"; />
+    </breadcrumbs>
+  </body>
+</site>
diff --git a/src/test/resources/modificationDate/verify.groovy 
b/src/test/resources/modificationDate/verify.groovy
new file mode 100644
index 0000000..5eef511
--- /dev/null
+++ b/src/test/resources/modificationDate/verify.groovy
@@ -0,0 +1,22 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+File index = new File( basedir, "target/site/index.html" )
+assert index.exists()
+assert index.text.contains( '<li id="publishDate" class="pull-right"><span 
class="divider">|</span> Last Modified: 1990-01-01</li>' )

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