Use git commit time for reproducible timestamp

martinpaljak · Apr 4, 2024 · 127dc2d · 127dc2d
1 parent d9f36c0
commit 127dc2d
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Showing 2 changed files with 20 additions and 5 deletions.
diff --git a/capfile/pom.xml b/capfile/pom.xml
@@ -9,6 +9,9 @@
     </parent>
     <artifactId>capfile</artifactId>
     <name>JavaCard CAP file library</name>
+    <properties>
+        <project.build.outputTimestamp>${git.commit.time}</project.build.outputTimestamp>
+    </properties>
     <dependencies>
         <dependency>
             <groupId>org.testng</groupId>
@@ -29,9 +32,4 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
-    <build>
-        <plugins>
-
-        </plugins>
-    </build>
 </project>
diff --git a/pom.xml b/pom.xml
@@ -14,6 +14,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <!-- GH Actions fails sometimes on first try -->
         <maven.wagon.http.retryHandler.count>2</maven.wagon.http.retryHandler.count>
+        <project.build.outputTimestamp>${git.commit.time}</project.build.outputTimestamp>
     </properties>
     <repositories>
         <repository>
@@ -76,6 +77,22 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>io.github.git-commit-id</groupId>
+                <artifactId>git-commit-id-maven-plugin</artifactId>
+                <version>8.0.2</version>
+                <executions>
+                    <execution>
+                        <id>get-git-timestamp</id>
+                        <goals>
+                            <goal>revision</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <dateFormatTimeZone>UTC</dateFormatTimeZone>
+                </configuration>
+            </plugin>
             <!-- Compiler -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>