Do not include ignored files to the application package.

- For now, only '.DS_Store' files are ignored.

2 files changed, 25 insertions, 3 deletions

diff --git a/vespa-application-maven-plugin/src/main/java/com/yahoo/container/plugin/mojo/ApplicationMojo.java b/vespa-application-maven-plugin/src/main/java/com/yahoo/container/plugin/mojo/ApplicationMojo.java
index 9120d95970d..c6d056675a8 100644
--- a/vespa-application-maven-plugin/src/main/java/com/yahoo/container/plugin/mojo/ApplicationMojo.java
+++ b/vespa-application-maven-plugin/src/main/java/com/yahoo/container/plugin/mojo/ApplicationMojo.java
@@ -2,6 +2,10 @@
 package com.yahoo.container.plugin.mojo;
 
 import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.filefilter.IOFileFilter;
+import org.apache.commons.io.filefilter.NameFileFilter;
+import org.apache.commons.io.filefilter.NotFileFilter;
+import org.apache.commons.io.filefilter.OrFileFilter;
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.artifact.resolver.ArtifactResolutionException;
 import org.apache.maven.plugin.AbstractMojo;
@@ -12,10 +16,10 @@ import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.project.MavenProject;
 
 import java.io.File;
+import java.io.FileFilter;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.util.Collections;
 import java.util.List;
@@ -26,6 +30,8 @@ import java.util.List;
 @Mojo(name = "packageApplication", defaultPhase = LifecyclePhase.PACKAGE, threadSafe = true)
 public class ApplicationMojo extends AbstractMojo {
 
+    private static final List<String> IGNORED_FILES = List.of(".DS_Store");
+
     @Parameter(defaultValue = "${project}", readonly = true)
     protected MavenProject project;
 
@@ -125,13 +131,21 @@ public class ApplicationMojo extends AbstractMojo {
     private void copyApplicationPackage(File applicationPackage, File applicationDestination) throws MojoExecutionException {
         if (applicationPackage.exists()) {
             try {
-                FileUtils.copyDirectory(applicationPackage, applicationDestination);
+                FileUtils.copyDirectory(applicationPackage, applicationDestination, ignoredFilesFilter());
             } catch (IOException e) {
                 throw new MojoExecutionException("Failed copying applicationPackage", e);
             }
         }
     }
 
+    static FileFilter ignoredFilesFilter() {
+        var ioFileFilters = IGNORED_FILES.stream()
+                .map(NameFileFilter::new)
+                .map(IOFileFilter.class::cast)
+                .toList();
+        return new NotFileFilter(new OrFileFilter(ioFileFilters));
+    }
+
     private void copyModuleBundles(File moduleDir, File componentsDir) throws MojoExecutionException {
         File moduleTargetDir = new File(moduleDir, "target");
         if (moduleTargetDir.exists()) {
diff --git a/vespa-application-maven-plugin/src/test/java/com/yahoo/container/plugin/mojo/ApplicationMojoTest.java b/vespa-application-maven-plugin/src/test/java/com/yahoo/container/plugin/mojo/ApplicationMojoTest.java
index 6f134a5ff86..de3b5f8d0cd 100644
--- a/vespa-application-maven-plugin/src/test/java/com/yahoo/container/plugin/mojo/ApplicationMojoTest.java
+++ b/vespa-application-maven-plugin/src/test/java/com/yahoo/container/plugin/mojo/ApplicationMojoTest.java
@@ -1,8 +1,10 @@
 package com.yahoo.container.plugin.mojo;
 
-import org.junit.Assert;
 import org.junit.Test;
 
+import java.io.File;
+
+import static com.yahoo.container.plugin.mojo.ApplicationMojo.ignoredFilesFilter;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
@@ -12,6 +14,12 @@ import static org.junit.Assert.assertTrue;
 public class ApplicationMojoTest {
 
     @Test
+    public void it_does_not_include_files_to_be_ignored() {
+        var dsStore = new File("target/classes/.DS_Store");
+        assertFalse(ignoredFilesFilter().accept(dsStore));
+    }
+
+    @Test
     public void testRegex() {
         assertTrue(ApplicationMojo.isVespaParent("ai.vespa"));
         assertTrue(ApplicationMojo.isVespaParent("ai.vespa.hosted"));