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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| import org.gradle.api.tasks.InputFile | ||
| import org.gradle.jvm.tasks.Jar | ||
| import java.io.File | ||
| import java.util.jar.JarEntry | ||
| import java.util.jar.JarOutputStream | ||
| import java.util.zip.Deflater | ||
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| typealias FileProcessor = (File) -> Unit | ||
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| open class ProcessJar : Jar() { | ||
| val input = project.objects.fileProperty() | ||
| @InputFile get | ||
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| private val processors = mutableListOf<FileProcessor>() | ||
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| init { | ||
| group = "build" | ||
| } | ||
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| fun addFileProcessor(regex: Regex, processor: FileProcessor) { | ||
| processors.add { | ||
| it.walkTopDown().forEach { file -> | ||
| if (file.extension.matches(regex)) | ||
| processor(file) | ||
| } | ||
| } | ||
| } | ||
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| fun addFileProcessor(vararg extensions: String, processor: FileProcessor) { | ||
| processors.add { | ||
| it.walkTopDown().forEach { file -> | ||
| if (file.extension in extensions) | ||
| processor(file) | ||
| } | ||
| } | ||
| } | ||
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| fun addDirProcessor(processor: FileProcessor) { | ||
| processors.add(processor) | ||
| } | ||
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| override fun copy() { | ||
| val inputJar = input.get().asFile | ||
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| if (!inputJar.exists()) | ||
| error("Input jar does not exist: $inputJar") | ||
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| val dir = temporaryDir.resolve("unpack") | ||
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| if (dir.exists()) | ||
| dir.deleteRecursively() | ||
| dir.mkdirs() | ||
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| // unpack jar to temp dir | ||
| project.copy { | ||
| from(project.zipTree(inputJar)) | ||
| into(dir) | ||
| } | ||
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| processors.forEach { it(dir) } | ||
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| // merge manifests | ||
| val manifestFile = dir.resolve("META-INF/MANIFEST.MF") | ||
| if (manifestFile.exists()) { | ||
| manifest.from(manifestFile) | ||
| manifestFile.delete() | ||
| manifestFile.createNewFile() | ||
| manifest.effectiveManifest.writeTo(manifestFile) | ||
| } | ||
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| // repack jar | ||
| JarOutputStream(archiveFile.get().asFile.outputStream()).use { jos -> | ||
| jos.setLevel(Deflater.BEST_COMPRESSION) | ||
| for (it in dir.walkTopDown()) { | ||
| if(it.isDirectory) continue | ||
| val entry = JarEntry(it.relativeTo(dir).path) | ||
| jos.putNextEntry(entry) | ||
| it.inputStream().copyTo(jos) | ||
| jos.closeEntry() | ||
| } | ||
|
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| jos.finish() | ||
| jos.flush() | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| import org.gradle.api.Task | ||
| import org.gradle.api.internal.file.copy.DefaultCopySpec | ||
| import org.gradle.api.tasks.AbstractCopyTask | ||
| import org.gradle.api.tasks.TaskContainer | ||
| import org.gradle.api.tasks.bundling.AbstractArchiveTask | ||
| import org.gradle.jvm.tasks.Jar | ||
|
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| fun Jar.clearSourcePaths() { | ||
| AbstractCopyTask::class.java.getDeclaredField("mainSpec").let { | ||
| it.isAccessible = true | ||
| val thing = it.get(this) as DefaultCopySpec | ||
| thing.sourcePaths.clear() | ||
| it.isAccessible = false | ||
| } | ||
| } | ||
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| fun AbstractArchiveTask.putInDevlibs() { | ||
| destinationDirectory.set(project.layout.buildDirectory.dir("devlibs")) | ||
| } | ||
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| inline fun <reified T : Task> TaskContainer.get(name: String): T { | ||
| return this.withType(T::class.java).getByName(name) | ||
| } |
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