Merge pull request #139 from VariantSync/reproducible-maven-build

Use reproducible time stamps for Maven build artifacts

Author: pmbittner

default.nix

@@ -67,6 +67,7 @@ pkgs.stdenv.mkDerivation rec {
       then ''
         mvn javadoc:javadoc
         JEKYLL_ENV=production PAGES_REPO_NWO=VariantSync/DiffDetective JEKYLL_BUILD_REVISION= github-pages build
+        rm -rf _site/target
       ''
       else ""
     }

pom.xml

@@ -13,6 +13,8 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
+        <!-- Override the time stamps of build artifacts to ensure reproducibility -->
+        <project.build.outputTimestamp>1</project.build.outputTimestamp>
     </properties>
 
     <build>