papermc/build.gradle.kts

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import io.papermc.paperweight.PaperweightException
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import io.papermc.paperweight.tasks.BaseTask
import io.papermc.paperweight.util.*
import org.gradle.api.tasks.testing.logging.TestExceptionFormat
import org.gradle.api.tasks.testing.logging.TestLogEvent
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import java.io.ByteArrayOutputStream
import java.nio.file.Path
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import java.util.regex.Pattern
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import kotlin.io.path.*
plugins {
java
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`maven-publish`
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id("io.papermc.paperweight.core") version "1.6.1"
}
allprojects {
apply(plugin = "java")
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apply(plugin = "maven-publish")
java {
toolchain {
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languageVersion = JavaLanguageVersion.of(21)
}
}
}
val paperMavenPublicUrl = "https://repo.papermc.io/repository/maven-public/"
subprojects {
tasks.withType<JavaCompile> {
options.encoding = Charsets.UTF_8.name()
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options.release = 21
}
tasks.withType<Javadoc> {
options.encoding = Charsets.UTF_8.name()
}
tasks.withType<ProcessResources> {
filteringCharset = Charsets.UTF_8.name()
}
tasks.withType<Test> {
testLogging {
showStackTraces = true
exceptionFormat = TestExceptionFormat.FULL
events(TestLogEvent.STANDARD_OUT)
}
}
repositories {
mavenCentral()
maven(paperMavenPublicUrl)
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maven("https://s01.oss.sonatype.org/content/repositories/snapshots/") // TODO - Adventure snapshot
}
}
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val spigotDecompiler: Configuration by configurations.creating
repositories {
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mavenCentral()
maven(paperMavenPublicUrl) {
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content {
onlyForConfigurations(
configurations.paperclip.name,
spigotDecompiler.name,
)
}
}
}
dependencies {
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paramMappings("net.fabricmc:yarn:1.20.5+build.1:mergedv2")
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remapper("net.fabricmc:tiny-remapper:0.10.2:fat")
decompiler("org.vineflower:vineflower:1.10.1")
spigotDecompiler("io.papermc:patched-spigot-fernflower:0.1+build.13")
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paperclip("io.papermc:paperclip:3.0.3")
}
paperweight {
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minecraftVersion = providers.gradleProperty("mcVersion")
serverProject = project(":paper-server")
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paramMappingsRepo = paperMavenPublicUrl
remapRepo = paperMavenPublicUrl
decompileRepo = paperMavenPublicUrl
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craftBukkit {
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fernFlowerJar = layout.file(spigotDecompiler.elements.map { it.single().asFile })
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}
paper {
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spigotApiPatchDir = layout.projectDirectory.dir("patches/api")
spigotServerPatchDir = layout.projectDirectory.dir("patches/server")
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mappingsPatch = layout.projectDirectory.file("build-data/mappings-patch.tiny")
reobfMappingsPatch = layout.projectDirectory.file("build-data/reobf-mappings-patch.tiny")
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reobfPackagesToFix.addAll(
"co.aikar.timings",
"com.destroystokyo.paper",
"com.mojang",
"io.papermc.paper",
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"ca.spottedleaf",
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"net.kyori.adventure.bossbar",
"net.minecraft",
"org.bukkit.craftbukkit",
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"org.spigotmc",
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)
}
}
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tasks.generateDevelopmentBundle {
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apiCoordinates = "io.papermc.paper:paper-api"
mojangApiCoordinates = "io.papermc.paper:paper-mojangapi"
libraryRepositories.addAll(
"https://repo.maven.apache.org/maven2/",
paperMavenPublicUrl,
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"https://s01.oss.sonatype.org/content/repositories/snapshots/", // TODO - Adventure snapshot
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)
}
publishing {
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if (project.providers.gradleProperty("publishDevBundle").isPresent) {
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publications.create<MavenPublication>("devBundle") {
artifact(tasks.generateDevelopmentBundle) {
artifactId = "dev-bundle"
}
}
}
}
allprojects {
publishing {
repositories {
maven("https://repo.papermc.io/repository/maven-snapshots/") {
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name = "paperSnapshots"
credentials(PasswordCredentials::class)
}
}
}
}
tasks.register("printMinecraftVersion") {
doLast {
println(providers.gradleProperty("mcVersion").get().trim())
}
}
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tasks.register("printPaperVersion") {
doLast {
println(project.version)
}
}
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// see gradle.properties
if (providers.gradleProperty("updatingMinecraft").getOrElse("false").toBoolean()) {
tasks.collectAtsFromPatches {
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val dir = layout.projectDirectory.dir("patches/unapplied/server")
if (dir.path.isDirectory()) {
extraPatchDir = dir
}
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}
tasks.withType<io.papermc.paperweight.tasks.RebuildGitPatches>().configureEach {
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filterPatches = false
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}
tasks.register("continueServerUpdate", RebasePatches::class) {
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description = "Moves the next X patches from unapplied to applied, and applies them. X being the number of patches that apply cleanly, plus the terminal failure if any."
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projectDir = project.projectDir
appliedPatches = file("patches/server")
unappliedPatches = file("patches/unapplied/server")
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applyTaskName = "applyServerPatches"
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patchedDir = "Paper-Server"
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}
}
@UntrackedTask(because = "Does not make sense to track state")
abstract class RebasePatches : BaseTask() {
@get:Internal
abstract val projectDir: DirectoryProperty
@get:InputFiles
abstract val appliedPatches: DirectoryProperty
@get:InputFiles
abstract val unappliedPatches: DirectoryProperty
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@get:Input
abstract val applyTaskName: Property<String>
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@get:Input
abstract val patchedDir: Property<String>
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private fun unapplied(): List<Path> =
unappliedPatches.path.listDirectoryEntries("*.patch").sortedBy { it.name }
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private fun appliedLoc(patch: Path): Path = appliedPatches.path.resolve(unappliedPatches.path.relativize(patch))
companion object {
val regex = Pattern.compile("Patch failed at ([0-9]{4}) (.*)")
val continuationRegex = Pattern.compile("^\\s{1}.+\$")
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const val subjectPrefix = "Subject: [PATCH] "
}
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@TaskAction
fun run() {
val patchedDirPath = projectDir.path.resolve(patchedDir.get())
if (patchedDirPath.isDirectory()) {
val status = Git(patchedDirPath)("status").getText()
if (status.contains("You are in the middle of an am session.")) {
throw PaperweightException("Cannot continue update when $patchedDirPath is in the middle of an am session.")
}
}
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val unapplied = unapplied()
for (patch in unapplied) {
patch.copyTo(appliedLoc(patch))
}
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val out = ByteArrayOutputStream()
val proc = ProcessBuilder()
.directory(projectDir.path)
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.command("./gradlew", applyTaskName.get())
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.redirectErrorStream(true)
.start()
val f = redirect(proc.inputStream, out)
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val exit = proc.waitFor()
f.get()
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if (exit != 0) {
val outStr = String(out.toByteArray())
val matcher = regex.matcher(outStr)
if (!matcher.find()) error("Could not determine failure point")
val failedSubjectFragment = matcher.group(2)
val failed = unapplied.single { p ->
p.useLines { lines ->
val collect = mutableListOf<String>()
for (line in lines) {
if (line.startsWith(subjectPrefix)) {
collect += line
} else if (collect.size == 1) {
if (continuationRegex.matcher(line).matches()) {
collect += line
} else {
break
}
}
}
val subjectLine = collect.joinToString("").substringAfter(subjectPrefix)
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subjectLine.startsWith(failedSubjectFragment)
}
}
// delete successful & failure point from unapplied patches dir
for (path in unapplied) {
path.deleteIfExists()
if (path == failed) {
break
}
}
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// delete failed from patches dir
var started = false
for (path in unapplied) {
if (path == failed) {
started = true
continue
}
if (started) {
appliedLoc(path).deleteIfExists()
}
}
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// Delete the build file before resetting the AM session in case it has compilation errors
patchedDirPath.resolve("build.gradle.kts").deleteIfExists()
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// Apply again to reset the am session (so it ends on the failed patch, to allow us to rebuild after fixing it)
val apply2 = ProcessBuilder()
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.directory(projectDir.path)
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.command("./gradlew", applyTaskName.get())
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.redirectErrorStream(true)
.start()
val f1 = redirect(apply2.inputStream, System.out)
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apply2.waitFor()
f1.get()
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logger.lifecycle(outStr)
logger.lifecycle("Patch failed at $failed; See Git output above.")
} else {
unapplied.forEach { it.deleteIfExists() }
logger.lifecycle("All patches applied!")
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}
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val git = Git(projectDir.path)
git("add", appliedPatches.path.toString() + "/*").runSilently()
git("add", unappliedPatches.path.toString() + "/*").runSilently()
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}
}