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Use current timestamp for index files with Gradle

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This commit removes changes the timestamp used when writing the
classpath and layers index files in the Gradle plugin to be the
current timestamp unless `preserveFileTimestamps=true`. It also
polishes some duplication in the handling of entry attributes
when creating the fat archive and adds a test to verify that
the Gradle plugin uses the same fixed timestamp constant as
Gradle uses internally.

See gh-21005
This commit is contained in:
Scott Frederick 2020-04-22 19:01:21 -05:00
parent b3ccefdb57
commit 8f5ef951de
4 changed files with 93 additions and 83 deletions
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155
spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootZipCopyAction.java
View File

@ -183,15 +183,15 @@ class BootZipCopyAction implements CopyAction {
*/
private class Processor {
private ZipArchiveOutputStream out;
private final ZipArchiveOutputStream out;
private final LayersIndex layerIndex;
private LoaderZipEntries.WrittenEntries writtenLoaderEntries;
private Set<String> writtenDirectories = new LinkedHashSet<>();
private final Set<String> writtenDirectories = new LinkedHashSet<>();
private Set<String> writtenLibraries = new LinkedHashSet<>();
private final Set<String> writtenLibraries = new LinkedHashSet<>();
Processor(ZipArchiveOutputStream out) {
this.out = out;
@ -224,11 +224,8 @@ class BootZipCopyAction implements CopyAction {
private void processDirectory(FileCopyDetails details) throws IOException {
String name = details.getRelativePath().getPathString();
long time = getTime(details);
writeParentDirectoriesIfNecessary(name, time);
ZipArchiveEntry entry = new ZipArchiveEntry(name + '/');
entry.setUnixMode(UnixStat.DIR_FLAG | details.getMode());
entry.setTime(time);
prepareEntry(entry, name, getTime(details), UnixStat.FILE_FLAG | details.getMode());
this.out.putArchiveEntry(entry);
this.out.closeArchiveEntry();
this.writtenDirectories.add(name);
@ -236,11 +233,8 @@ class BootZipCopyAction implements CopyAction {
private void processFile(FileCopyDetails details) throws IOException {
String name = details.getRelativePath().getPathString();
long time = getTime(details);
writeParentDirectoriesIfNecessary(name, time);
ZipArchiveEntry entry = new ZipArchiveEntry(name);
entry.setUnixMode(UnixStat.FILE_FLAG | details.getMode());
entry.setTime(time);
prepareEntry(entry, name, getTime(details), UnixStat.FILE_FLAG | details.getMode());
ZipCompression compression = BootZipCopyAction.this.compressionResolver.apply(details);
if (compression == ZipCompression.STORED) {
prepareStoredEntry(details, entry);
@ -257,13 +251,11 @@ class BootZipCopyAction implements CopyAction {
}
}
private void writeParentDirectoriesIfNecessary(String name, long time) throws IOException {
private void writeParentDirectoriesIfNecessary(String name, Long time) throws IOException {
String parentDirectory = getParentDirectory(name);
if (parentDirectory != null && this.writtenDirectories.add(parentDirectory)) {
writeParentDirectoriesIfNecessary(parentDirectory, time);
ZipArchiveEntry entry = new ZipArchiveEntry(parentDirectory + '/');
entry.setUnixMode(UnixStat.DIR_FLAG | UnixStat.DEFAULT_DIR_PERM);
entry.setTime(time);
prepareEntry(entry, parentDirectory, time, UnixStat.DIR_FLAG | UnixStat.DEFAULT_DIR_PERM);
this.out.putArchiveEntry(entry);
this.out.closeArchiveEntry();
}
@ -293,8 +285,7 @@ class BootZipCopyAction implements CopyAction {
// Don't write loader entries until after META-INF folder (see gh-16698)
return;
}
LoaderZipEntries loaderEntries = new LoaderZipEntries(
BootZipCopyAction.this.preserveFileTimestamps ? null : CONSTANT_TIME_FOR_ZIP_ENTRIES);
LoaderZipEntries loaderEntries = new LoaderZipEntries(getTime());
this.writtenLoaderEntries = loaderEntries.writeTo(this.out);
if (BootZipCopyAction.this.layerResolver != null) {
for (String name : this.writtenLoaderEntries.getFiles()) {
@ -320,7 +311,7 @@ class BootZipCopyAction implements CopyAction {
private void writeJarModeLibrary(String location, JarModeLibrary library) throws IOException {
String name = location + library.getName();
writeEntry(name, ZipEntryWriter.fromInputStream(library.openStream()), false,
writeEntry(name, ZipEntryContentWriter.fromInputStream(library.openStream()), false,
(entry) -> prepareStoredEntry(library.openStream(), entry));
if (BootZipCopyAction.this.layerResolver != null) {
Layer layer = BootZipCopyAction.this.layerResolver.getLayer(library);
@ -328,6 +319,55 @@ class BootZipCopyAction implements CopyAction {
}
}
private void writeClassPathIndexIfNecessary() throws IOException {
Attributes manifestAttributes = BootZipCopyAction.this.manifest.getAttributes();
String classPathIndex = (String) manifestAttributes.get("Spring-Boot-Classpath-Index");
if (classPathIndex != null) {
List<String> lines = this.writtenLibraries.stream().map((line) -> "- \"" + line + "\"")
.collect(Collectors.toList());
writeEntry(classPathIndex, ZipEntryContentWriter.fromLines(BootZipCopyAction.this.encoding, lines),
true);
}
}
private void writeLayersIndexIfNecessary() throws IOException {
if (BootZipCopyAction.this.layerResolver != null) {
Attributes manifestAttributes = BootZipCopyAction.this.manifest.getAttributes();
String name = (String) manifestAttributes.get("Spring-Boot-Layers-Index");
Assert.state(StringUtils.hasText(name), "Missing layer index manifest attribute");
Layer layer = BootZipCopyAction.this.layerResolver.getLayer(name);
this.layerIndex.add(layer, name);
writeEntry(name, this.layerIndex::writeTo, false);
}
}
private void writeEntry(String name, ZipEntryContentWriter entryWriter, boolean addToLayerIndex)
throws IOException {
writeEntry(name, entryWriter, addToLayerIndex, ZipEntryCustomizer.NONE);
}
private void writeEntry(String name, ZipEntryContentWriter entryWriter, boolean addToLayerIndex,
ZipEntryCustomizer entryCustomizer) throws IOException {
ZipArchiveEntry entry = new ZipArchiveEntry(name);
prepareEntry(entry, name, getTime(), UnixStat.FILE_FLAG | UnixStat.DEFAULT_FILE_PERM);
entryCustomizer.customize(entry);
this.out.putArchiveEntry(entry);
entryWriter.writeTo(this.out);
this.out.closeArchiveEntry();
if (addToLayerIndex && BootZipCopyAction.this.layerResolver != null) {
Layer layer = BootZipCopyAction.this.layerResolver.getLayer(name);
this.layerIndex.add(layer, name);
}
}
private void prepareEntry(ZipArchiveEntry entry, String name, Long time, int mode) throws IOException {
writeParentDirectoriesIfNecessary(name, time);
entry.setUnixMode(mode);
if (time != null) {
entry.setTime(time);
}
}
private void prepareStoredEntry(FileCopyDetails details, ZipArchiveEntry archiveEntry) throws IOException {
prepareStoredEntry(details.open(), archiveEntry);
if (BootZipCopyAction.this.requiresUnpack.isSatisfiedBy(details)) {
@ -344,50 +384,18 @@ class BootZipCopyAction implements CopyAction {
archiveEntry.setCrc(crcStream.getCrc());
}
private void writeClassPathIndexIfNecessary() throws IOException {
Attributes manifestAttributes = BootZipCopyAction.this.manifest.getAttributes();
String classPathIndex = (String) manifestAttributes.get("Spring-Boot-Classpath-Index");
if (classPathIndex != null) {
List<String> lines = this.writtenLibraries.stream().map((line) -> "- \"" + line + "\"")
.collect(Collectors.toList());
writeEntry(classPathIndex, ZipEntryWriter.fromLines(BootZipCopyAction.this.encoding, lines), true);
private Long getTime() {
return getTime(null);
}
private Long getTime(FileCopyDetails details) {
if (!BootZipCopyAction.this.preserveFileTimestamps) {
return CONSTANT_TIME_FOR_ZIP_ENTRIES;
}
}
private void writeLayersIndexIfNecessary() throws IOException {
if (BootZipCopyAction.this.layerResolver != null) {
Attributes manifestAttributes = BootZipCopyAction.this.manifest.getAttributes();
String name = (String) manifestAttributes.get("Spring-Boot-Layers-Index");
Assert.state(StringUtils.hasText(name), "Missing layer index manifest attribute");
Layer layer = BootZipCopyAction.this.layerResolver.getLayer(name);
this.layerIndex.add(layer, name);
writeEntry(name, (entry, out) -> this.layerIndex.writeTo(out), false);
if (details != null) {
return details.getLastModified();
}
}
private void writeEntry(String name, ZipEntryWriter entryWriter, boolean addToLayerIndex) throws IOException {
writeEntry(name, entryWriter, addToLayerIndex, ZipEntryCustomizer.NONE);
}
private void writeEntry(String name, ZipEntryWriter entryWriter, boolean addToLayerIndex,
ZipEntryCustomizer entryCustomizer) throws IOException {
writeParentDirectoriesIfNecessary(name, CONSTANT_TIME_FOR_ZIP_ENTRIES);
ZipArchiveEntry entry = new ZipArchiveEntry(name);
entry.setUnixMode(UnixStat.FILE_FLAG | UnixStat.DEFAULT_FILE_PERM);
entry.setTime(CONSTANT_TIME_FOR_ZIP_ENTRIES);
entryCustomizer.customize(entry);
this.out.putArchiveEntry(entry);
entryWriter.writeTo(entry, this.out);
this.out.closeArchiveEntry();
if (addToLayerIndex && BootZipCopyAction.this.layerResolver != null) {
Layer layer = BootZipCopyAction.this.layerResolver.getLayer(name);
this.layerIndex.add(layer, name);
}
}
private long getTime(FileCopyDetails details) {
return BootZipCopyAction.this.preserveFileTimestamps ? details.getLastModified()
: CONSTANT_TIME_FOR_ZIP_ENTRIES;
return null;
}
}
@ -414,41 +422,40 @@ class BootZipCopyAction implements CopyAction {
* Callback used to write a zip entry data.
*/
@FunctionalInterface
private interface ZipEntryWriter {
private interface ZipEntryContentWriter {
/**
* Write the entry data.
* @param entry the entry being written
* @param out the output stream used to write the data
* @throws IOException on IO error
*/
void writeTo(ZipArchiveEntry entry, ZipArchiveOutputStream out) throws IOException;
void writeTo(ZipArchiveOutputStream out) throws IOException;
/**
* Create a new {@link ZipEntryWriter} that will copy content from the given
* {@link InputStream}.
* Create a new {@link ZipEntryContentWriter} that will copy content from the
* given {@link InputStream}.
* @param in the source input stream
* @return a new {@link ZipEntryWriter} instance
* @return a new {@link ZipEntryContentWriter} instance
*/
static ZipEntryWriter fromInputStream(InputStream in) {
return (entry, out) -> {
static ZipEntryContentWriter fromInputStream(InputStream in) {
return (out) -> {
StreamUtils.copy(in, out);
in.close();
};
}
/**
* Create a new {@link ZipEntryWriter} that will copy content from the given
* lines.
* Create a new {@link ZipEntryContentWriter} that will copy content from the
* given lines.
* @param encoding the required character encoding
* @param lines the lines to write
* @return a new {@link ZipEntryWriter} instance
* @return a new {@link ZipEntryContentWriter} instance
*/
static ZipEntryWriter fromLines(String encoding, Collection<String> lines) {
return (entry, out) -> {
static ZipEntryContentWriter fromLines(String encoding, Collection<String> lines) {
return (out) -> {
OutputStreamWriter writer = new OutputStreamWriter(out, encoding);
for (String line : lines) {
writer.append(line + "\n");
writer.append(line).append("\n");
}
writer.flush();
};

9
spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/LoaderZipEntries.java
View File

@ -29,11 +29,14 @@ import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
import org.gradle.api.file.FileTreeElement;
import org.springframework.util.StreamUtils;
/**
* Internal utility used to copy entries from the {@code spring-boot-loader.jar}.
*
* @author Andy Wilkinson
* @author Phillip Webb
* @author Scott Frederick
*/
class LoaderZipEntries {
@ -84,11 +87,7 @@ class LoaderZipEntries {
}
private void copy(InputStream in, OutputStream out) throws IOException {
byte[] buffer = new byte[4096];
int bytesRead = -1;
while ((bytesRead = in.read(buffer)) != -1) {
out.write(buffer, 0, bytesRead);
}
StreamUtils.copy(in, out);
}
/**

8
spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/AbstractBootArchiveTests.java
View File

@ -40,6 +40,7 @@ import java.util.zip.ZipInputStream;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipFile;
import org.gradle.api.Project;
import org.gradle.api.internal.file.archive.ZipCopyAction;
import org.gradle.api.tasks.bundling.AbstractArchiveTask;
import org.gradle.api.tasks.bundling.Jar;
import org.gradle.testfixtures.ProjectBuilder;
@ -56,6 +57,7 @@ import static org.assertj.core.api.Assertions.assertThat;
*
* @param <T> the type of the concrete BootArchive implementation
* @author Andy Wilkinson
* @author Scott Frederick
*/
abstract class AbstractBootArchiveTests<T extends Jar & BootArchive> {
@ -330,6 +332,12 @@ abstract class AbstractBootArchiveTests<T extends Jar & BootArchive> {
}
}
@Test
void constantTimestampMatchesGradleInternalTimestamp() {
assertThat(BootZipCopyAction.CONSTANT_TIME_FOR_ZIP_ENTRIES)
.isEqualTo(ZipCopyAction.CONSTANT_TIME_FOR_ZIP_ENTRIES);
}
@Test
void reproducibleOrderingCanBeEnabled() throws IOException {
this.task.setMainClassName("com.example.Main");

4
spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/BootJarTests.java
View File

@ -101,14 +101,10 @@ class BootJarTests extends AbstractBootArchiveTests<TestBootJar> {
assertThat(entryNames).contains("BOOT-INF/lib/first-library.jar", "BOOT-INF/lib/second-library.jar",
"BOOT-INF/lib/third-library-SNAPSHOT.jar", "BOOT-INF/classes/com/example/Application.class",
"BOOT-INF/classes/application.properties", "BOOT-INF/classes/static/test.css");
ZipEntry layersIndexEntry = jarFile.getEntry("BOOT-INF/layers.idx");
assertThat(layersIndexEntry.getTime()).isEqualTo(BootZipCopyAction.CONSTANT_TIME_FOR_ZIP_ENTRIES);
List<String> index = entryLines(jarFile, "BOOT-INF/layers.idx");
assertThat(getLayerNames(index)).containsExactly("dependencies", "spring-boot-loader",
"snapshot-dependencies", "application");
String layerToolsJar = "BOOT-INF/lib/" + JarModeLibrary.LAYER_TOOLS.getName();
ZipEntry layerToolsEntry = jarFile.getEntry(layerToolsJar);
assertThat(layerToolsEntry.getTime()).isEqualTo(BootZipCopyAction.CONSTANT_TIME_FOR_ZIP_ENTRIES);
List<String> expected = new ArrayList<>();
expected.add("- \"dependencies\":");
expected.add(" - \"BOOT-INF/lib/first-library.jar\"");