Fixes #5, set project.build.outputTimestamp from git - best we can do…

… for now

pom.xml

@@ -31,6 +31,7 @@
     <maven.compiler.release>17</maven.compiler.release>
 
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <project.build.outputTimestamp>${git.commit.time}</project.build.outputTimestamp>
 
     <tomcat.version>10.1.19</tomcat.version>
     <yupiik-logging.version>1.0.7</yupiik-logging.version>
@@ -73,6 +74,29 @@
 
   <build>
     <plugins>
+      <plugin>
+        <groupId>io.github.git-commit-id</groupId>
+        <artifactId>git-commit-id-maven-plugin</artifactId>
+        <version>7.0.0</version>
+        <configuration>
+          <injectAllReactorProjects>true</injectAllReactorProjects>
+          <generateGitPropertiesFile>false</generateGitPropertiesFile>
+          <dateFormat>yyyy-MM-dd'T'HH:mm:ss'Z'</dateFormat>
+          <dateFormatTimeZone>GMT</dateFormatTimeZone>
+          <includeOnlyProperties>
+            <includeOnlyProperty>^git.commit.time$</includeOnlyProperty>
+          </includeOnlyProperties>
+        </configuration>
+        <executions>
+          <execution>
+            <id>get-the-git-infos</id>
+            <goals>
+              <goal>revision</goal>
+            </goals>
+            <phase>initialize</phase>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-clean-plugin</artifactId>