Allow copy all files without timestamp checking by DirectoryArchiver

src/main/java/org/codehaus/plexus/archiver/dir/DirectoryArchiver.java

@@ -19,6 +19,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStream;
 import java.nio.file.Files;
 import java.nio.file.attribute.FileTime;
 import java.util.ArrayList;
@@ -42,6 +43,15 @@
 public class DirectoryArchiver extends AbstractArchiver {
 
     private final List<Runnable> directoryChmods = new ArrayList<>();
+    private long filesCopied;
+
+    /**
+     * Default constructor.
+     */
+    public DirectoryArchiver() {
+        // preserver default behavior
+        setForced(false);
+    }
 
     public void resetArchiver() throws IOException {
         cleanUp();
@@ -67,7 +77,7 @@ public void execute() throws ArchiverException, IOException {
             throw new ArchiverException(destDirectory + " is not writable.");
         }
 
-        getLogger().info("Copying files to " + destDirectory.getAbsolutePath());
+        getLogger().info("Copying files to {}", destDirectory.getAbsolutePath());
 
         try {
             while (iter.hasNext()) {
@@ -93,6 +103,20 @@ public void execute() throws ArchiverException, IOException {
 
             directoryChmods.forEach(Runnable::run);
             directoryChmods.clear();
+
+            if (filesCopied > 0) {
+                getLogger()
+                        .info(
+                                "{} file{} copied to {}",
+                                filesCopied,
+                                filesCopied > 0 ? "s" : "",
+                                destDirectory.getAbsolutePath());
+            } else {
+                getLogger().info("All files are uptodate in {}", destDirectory.getAbsolutePath());
+            }
+
+            filesCopied = 0;
+
         } catch (final IOException ioe) {
             final String message = "Problem copying files : " + ioe.getMessage();
             throw new ArchiverException(message, ioe);
@@ -118,15 +142,20 @@ protected void copyFile(final ArchiveEntry entry, final String vPath) throws Arc
         final File outFile = new File(vPath);
 
         final long inLastModified = in.getLastModified();
-        final long outLastModified = outFile.lastModified();
-        if (ResourceUtils.isUptodate(inLastModified, outLastModified)) {
-            return;
+
+        if (!isForced()) {
+            final long outLastModified = outFile.lastModified();
+            if (ResourceUtils.isUptodate(inLastModified, outLastModified)) {
+                return;
+            }
         }
 
         if (!in.isDirectory()) {
             makeParentDirectories(outFile);
-            ResourceUtils.copyFile(entry.getInputStream(), outFile);
-
+            try (InputStream input = entry.getInputStream()) {
+                ResourceUtils.copyFile(input, outFile);
+            }
+            filesCopied++;
             setFileModes(entry, outFile, inLastModified);
         } else { // file is a directory
             if (outFile.exists()) {
@@ -191,4 +220,9 @@ protected void close() throws IOException {}
     protected String getArchiveType() {
         return "directory";
     }
+
+    @Override
+    public boolean isSupportingForced() {
+        return true;
+    }
 }

src/main/java/org/codehaus/plexus/archiver/util/ResourceUtils.java

@@ -3,12 +3,12 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.OutputStream;
 import java.nio.file.Files;
 
 import org.codehaus.plexus.components.io.functions.FileSupplier;
 import org.codehaus.plexus.components.io.resources.PlexusIoResource;
-import org.codehaus.plexus.util.IOUtil;
+
+import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
 
 /**
  * Utility class for work with {@link PlexusIoResource} instances.
@@ -35,16 +35,7 @@ public static boolean isUptodate(PlexusIoResource source, File destination) {
      * the given modification date.
      */
     public static boolean isUptodate(PlexusIoResource source, long destinationDate) {
-        final long s = source.getLastModified();
-        if (s == PlexusIoResource.UNKNOWN_MODIFICATION_DATE) {
-            return false;
-        }
-
-        if (destinationDate == 0) {
-            return false;
-        }
-
-        return destinationDate > s;
+        return isUptodate(source.getLastModified(), destinationDate);
     }
 
     /**
@@ -60,35 +51,23 @@ public static boolean isUptodate(long sourceDate, long destinationDate) {
             return false;
         }
 
-        return destinationDate > sourceDate;
+        return destinationDate >= sourceDate;
     }
 
     /**
      * Copies the sources contents to the given destination file.
      */
     public static void copyFile(PlexusIoResource in, File outFile) throws IOException {
-        try (InputStream input = in.getContents();
-                OutputStream output = Files.newOutputStream(outFile.toPath())) {
-            IOUtil.copy(input, output);
+        try (InputStream input = in.getContents()) {
+            Files.copy(input, outFile.toPath(), REPLACE_EXISTING);
         }
     }
 
     /**
      * Copies the sources contents to the given destination file.
      */
     public static void copyFile(InputStream input, File outFile) throws IOException {
-        OutputStream output = null;
-        try {
-            output = Files.newOutputStream(outFile.toPath());
-            IOUtil.copy(input, output);
-            output.close();
-            output = null;
-            input.close();
-            input = null;
-        } finally {
-            IOUtil.close(input);
-            IOUtil.close(output);
-        }
+        Files.copy(input, outFile.toPath(), REPLACE_EXISTING);
     }
 
     /**

src/test/java/org/codehaus/plexus/archiver/jar/DirectoryArchiverUnpackJarTest.java

@@ -2,11 +2,17 @@
 
 import javax.annotation.Nonnull;
 
+import java.io.BufferedWriter;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+import java.nio.file.attribute.FileTime;
 
+import org.apache.commons.io.FileUtils;
 import org.codehaus.plexus.archiver.Archiver;
 import org.codehaus.plexus.archiver.TestSupport;
 import org.codehaus.plexus.archiver.util.ArchiveEntryUtils;
@@ -15,7 +21,7 @@
 import org.codehaus.plexus.components.io.resources.PlexusIoResource;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.assertj.core.api.Assertions.assertThat;
 
 class DirectoryArchiverUnpackJarTest extends TestSupport {
 
@@ -36,25 +42,94 @@ public InputStream transform(@Nonnull PlexusIoResource resource, @Nonnull InputS
     @Test
     void test_dependency_sets_depSet_unpacked_rdonly() throws Exception {
         File src = new File("src/test/resources/unpack_issue.jar");
-        assertTrue(src.exists());
+        File dest = new File("target/depset_unpack");
+        FileUtils.deleteDirectory(dest);
+        assertThat(src).isFile();
+
+        Archiver archiver = createArchiver(src, dest);
+        archiver.setDefaultDirectoryMode(0555);
+        archiver.setDirectoryMode(0555); // causes permission denied if bug is not fixed.
+        archiver.createArchive();
+        assertThat(new File(dest, "child-1/META-INF/MANIFEST.MF")).isFile();
+
+        // make them writeable or mvn clean will fail
+        ArchiveEntryUtils.chmod(new File(dest, "child-1/META-INF"), 0777);
+        ArchiveEntryUtils.chmod(new File(dest, "child-1/META-INF/maven"), 0777);
+        ArchiveEntryUtils.chmod(new File(dest, "child-1/META-INF/maven/test"), 0777);
+        ArchiveEntryUtils.chmod(new File(dest, "child-1/META-INF/maven/test/child1"), 0777);
+        ArchiveEntryUtils.chmod(new File(dest, "child-1/assembly-resources"), 0777);
+    }
+
+    @Test
+    void test_dependency_sets_depSet_unpacked_by_default_dont_override() throws Exception {
+
+        File src = new File("src/test/resources/unpack_issue.jar");
+        File dest = new File("target/depset_unpack_dont_override");
+        FileUtils.deleteDirectory(dest);
+
+        Archiver archiver = createArchiver(src, dest);
+        archiver.createArchive();
+
+        File manifestFile = new File(dest, "child-1/META-INF/MANIFEST.MF");
+        assertThat(manifestFile).content().hasLineCount(6);
+
+        // change content of one file
+        overwriteFileContent(manifestFile.toPath());
+        assertThat(manifestFile).content().hasLineCount(1);
+
+        archiver = createArchiver(src, dest);
+        archiver.createArchive();
+
+        // content was not changed
+        assertThat(manifestFile).content().hasLineCount(1);
+    }
+
+    @Test
+    void test_dependency_sets_depSet_force_unpacked() throws Exception {
+
+        File src = new File("src/test/resources/unpack_issue.jar");
+        File dest = new File("target/depset_unpack_force");
+        FileUtils.deleteDirectory(dest);
+
+        Archiver archiver = createArchiver(src, dest);
+        archiver.createArchive();
+
+        File manifestFile = new File(dest, "child-1/META-INF/MANIFEST.MF");
+        assertThat(manifestFile).content().hasLineCount(6);
+
+        // change content of one file
+        overwriteFileContent(manifestFile.toPath());
+        assertThat(manifestFile).content().hasLineCount(1);
+
+        archiver = createArchiver(src, dest);
+        archiver.setForced(true);
+        archiver.createArchive();
+
+        // content was changed
+        assertThat(manifestFile).content().hasLineCount(6);
+    }
+
+    private Archiver createArchiver(File src, File dest) {
+        assertThat(src).isFile();
         DefaultArchivedFileSet afs = DefaultArchivedFileSet.archivedFileSet(src);
         afs.setIncludes(DEFAULT_INCLUDES_ARRAY);
         afs.setExcludes(null);
         afs.setPrefix("child-1/");
         afs.setStreamTransformer(new IdentityTransformer());
-        Archiver archiver = (Archiver) lookup(Archiver.class, "dir");
-        archiver.setDefaultDirectoryMode(0555);
-        archiver.setDirectoryMode(0555); // causes permission denied if bug is not fixed.
-        archiver.setDestFile(new File("target/depset_unpack"));
-        archiver.addArchivedFileSet(afs, Charset.forName("UTF-8"));
-        archiver.createArchive();
-        assertTrue(new File("target/depset_unpack/child-1/META-INF/MANIFEST.MF").exists());
+        Archiver archiver = lookup(Archiver.class, "dir");
+        archiver.setDestFile(dest);
+        archiver.addArchivedFileSet(afs, StandardCharsets.UTF_8);
+        return archiver;
+    }
 
-        // make them writeable or mvn clean will fail
-        ArchiveEntryUtils.chmod(new File("target/depset_unpack/child-1/META-INF"), 0777);
-        ArchiveEntryUtils.chmod(new File("target/depset_unpack/child-1/META-INF/maven"), 0777);
-        ArchiveEntryUtils.chmod(new File("target/depset_unpack/child-1/META-INF/maven/test"), 0777);
-        ArchiveEntryUtils.chmod(new File("target/depset_unpack/child-1/META-INF/maven/test/child1"), 0777);
-        ArchiveEntryUtils.chmod(new File("target/depset_unpack/child-1/assembly-resources"), 0777);
+    private void overwriteFileContent(Path path) throws IOException {
+        FileTime lastModifiedTime = Files.getLastModifiedTime(path);
+
+        try (BufferedWriter writer =
+                Files.newBufferedWriter(path, StandardCharsets.UTF_8, StandardOpenOption.TRUNCATE_EXISTING)) {
+            writer.write("TEST123");
+        }
+
+        Files.setLastModifiedTime(path, lastModifiedTime);
     }
 }

src/test/java/org/codehaus/plexus/archiver/util/ResourceUtilsTest.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright The Plexus developers.
+ *
+ * Licensed 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.codehaus.plexus.archiver.util;
+
+import java.util.stream.Stream;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class ResourceUtilsTest {
+
+    public static Stream<Arguments> testIsUpToDate() {
+        return Stream.of(
+                Arguments.of(0, 0, false), // dest and src 0
+                Arguments.of(100, 0, false), // dest 0
+                Arguments.of(0, 100, false), // src 0
+                Arguments.of(100, 200, true),
+                Arguments.of(200, 100, false),
+                Arguments.of(100, 100, true));
+    }
+
+    @ParameterizedTest
+    @MethodSource
+    void testIsUpToDate(long source, long destination, boolean expected) {
+        assertThat(ResourceUtils.isUptodate(source, destination)).isEqualTo(expected);
+    }
+}