Paper/patches/server/0003-Build-system-changes.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Mon, 29 Feb 2016 20:40:33 -0600
Subject: [PATCH] Build system changes

== AT ==
public net.minecraft.server.packs.VanillaPackResourcesBuilder safeGetPath(Ljava/net/URI;)Ljava/nio/file/Path;

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>

diff --git a/build.gradle.kts b/build.gradle.kts
index 700ec4dda905cee41ae3fe2a420d8c6db64a13e8..14eae4cf079a384691c72c2f70ba627bddb0b2b1 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -9,10 +9,9 @@ plugins {
 dependencies {
     implementation(project(":paper-api"))
     implementation("jline:jline:2.12.1")
-    implementation("org.apache.logging.log4j:log4j-iostreams:2.19.0") {
-        exclude(group = "org.apache.logging.log4j", module = "log4j-api")
-    }
+    implementation("org.apache.logging.log4j:log4j-iostreams:2.19.0") // Paper - remove exclusion
     implementation("org.ow2.asm:asm:9.5")
+    implementation("org.ow2.asm:asm-commons:9.5") // Paper - ASM event executor generation
     implementation("commons-lang:commons-lang:2.6")
     runtimeOnly("org.xerial:sqlite-jdbc:3.42.0.1")
     runtimeOnly("com.mysql:mysql-connector-j:8.2.0")
@@ -35,6 +34,7 @@ tasks.jar {
         val gitHash = git("rev-parse", "--short=7", "HEAD").getText().trim()
         val implementationVersion = System.getenv("BUILD_NUMBER") ?: "\"$gitHash\""
         val date = git("show", "-s", "--format=%ci", gitHash).getText().trim() // Paper
+        val gitBranch = git("rev-parse", "--abbrev-ref", "HEAD").getText().trim() // Paper
         attributes(
             "Main-Class" to "org.bukkit.craftbukkit.Main",
             "Implementation-Title" to "CraftBukkit",
@@ -43,6 +43,9 @@ tasks.jar {
             "Specification-Title" to "Bukkit",
             "Specification-Version" to project.version,
             "Specification-Vendor" to "Bukkit Team",
+            "Git-Branch" to gitBranch, // Paper
+            "Git-Commit" to gitHash, // Paper
+            "CraftBukkit-Package-Version" to craftbukkitPackageVersion, // Paper
         )
         for (tld in setOf("net", "com", "org")) {
             attributes("$tld/bukkit", "Sealed" to true)
@@ -50,6 +53,11 @@ tasks.jar {
     }
 }
 
+tasks.compileJava {
+    // incremental compilation is currently broken due to patched files having compiled counterparts already on the compile classpath
+    options.setIncremental(false)
+}
+
 publishing {
     publications.create<MavenPublication>("maven") {
         artifact(tasks.shadowJar)
@@ -76,6 +84,17 @@ tasks.shadowJar {
     }
 }
 
+// Paper start
+val scanJar = tasks.register("scanJarForBadCalls", io.papermc.paperweight.tasks.ScanJarForBadCalls::class) {
+    badAnnotations.add("Lio/papermc/paper/annotation/DoNotUse;")
+    jarToScan.set(tasks.shadowJar.flatMap { it.archiveFile })
+    classpath.from(configurations.compileClasspath)
+}
+tasks.check {
+    dependsOn(scanJar)
+}
+// Paper end
+
 tasks.test {
     exclude("org/bukkit/craftbukkit/inventory/ItemStack*Test.class")
     useJUnitPlatform()
@@ -134,7 +153,14 @@ tasks.registerRunTask("runReobf") {
     classpath(runtimeClasspathWithoutVanillaServer)
 }
 
+val runtimeClasspathForRunDev = sourceSets.main.flatMap { src ->
+    src.runtimeClasspath.elements.map { elements ->
+        elements.filterNot { file -> file.asFile.endsWith("minecraft.jar") }
+    }
+}
 tasks.registerRunTask("runDev") {
     description = "Spin up a non-relocated Mojang-mapped test server"
-    classpath(sourceSets.main.map { it.runtimeClasspath })
+    classpath(tasks.filterProjectDir.flatMap { it.outputJar })
+    classpath(runtimeClasspathForRunDev)
+    jvmArgs("-DPaper.isRunDev=true")
 }
diff --git a/src/main/java/net/minecraft/resources/ResourceLocation.java b/src/main/java/net/minecraft/resources/ResourceLocation.java
index 68e3d54c79924d72b22eb3bc142ff47aa1700895..d3300e43523429fdd0e61c5aa9aed2e6bc78e07e 100644
--- a/src/main/java/net/minecraft/resources/ResourceLocation.java
+++ b/src/main/java/net/minecraft/resources/ResourceLocation.java
@@ -26,6 +26,7 @@ public class ResourceLocation implements Comparable<ResourceLocation> {
     public static final char NAMESPACE_SEPARATOR = ':';
     public static final String DEFAULT_NAMESPACE = "minecraft";
     public static final String REALMS_NAMESPACE = "realms";
+    public static final String PAPER_NAMESPACE = "paper"; // Paper
     private final String namespace;
     private final String path;
 
diff --git a/src/main/java/net/minecraft/server/Main.java b/src/main/java/net/minecraft/server/Main.java
index 602964d92ddf9e4ec47ed3cb45787fdd061a881e..6b0a1ff870e013a83f7922021ab296bb1c716079 100644
--- a/src/main/java/net/minecraft/server/Main.java
+++ b/src/main/java/net/minecraft/server/Main.java
@@ -105,6 +105,17 @@ public class Main {
             */ // CraftBukkit end
 
         try {
+            // Paper start
+            if (Boolean.getBoolean("Paper.isRunDev")) {
+                net.minecraft.server.packs.VanillaPackResourcesBuilder.developmentConfig = builder -> {
+                    try {
+                        builder.pushAssetPath(net.minecraft.server.packs.PackType.SERVER_DATA, net.minecraft.server.packs.VanillaPackResourcesBuilder.safeGetPath(java.util.Objects.requireNonNull(Main.class.getResource("/data/.paperassetsroot"), "Missing required .paperassetsroot file").toURI()).getParent());
+                    } catch (java.net.URISyntaxException | IOException ex) {
+                        throw new RuntimeException(ex);
+                    }
+                };
+            }
+            // Paper end
 
             Path path = (Path) optionset.valueOf("pidFile"); // CraftBukkit
 
diff --git a/src/main/java/net/minecraft/server/packs/repository/ServerPacksSource.java b/src/main/java/net/minecraft/server/packs/repository/ServerPacksSource.java
index a2a8bce29ec5540de89095574dfdc0ca9b17bbd3..d92cd89373f8373c367ce422328b9836de09096d 100644
--- a/src/main/java/net/minecraft/server/packs/repository/ServerPacksSource.java
+++ b/src/main/java/net/minecraft/server/packs/repository/ServerPacksSource.java
@@ -32,7 +32,7 @@ public class ServerPacksSource extends BuiltInPackSource {
 
     @VisibleForTesting
     public static VanillaPackResources createVanillaPackSource() {
-        return (new VanillaPackResourcesBuilder()).setMetadata(BUILT_IN_METADATA).exposeNamespace("minecraft").applyDevelopmentConfig().pushJarResources().build();
+        return (new VanillaPackResourcesBuilder()).setMetadata(BUILT_IN_METADATA).exposeNamespace("minecraft", ResourceLocation.PAPER_NAMESPACE).applyDevelopmentConfig().pushJarResources().build(); // Paper
     }
 
     @Override
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 4fad736163683f49502ccd2d3122a4eef0a4a20e..a7921cde2b6275d730879b2814cc5f430520b051 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -209,7 +209,7 @@ public class Main {
                 }
 
                 if (Main.class.getPackage().getImplementationVendor() != null && System.getProperty("IReallyKnowWhatIAmDoingISwear") == null) {
-                    Date buildDate = new Date(Integer.parseInt(Main.class.getPackage().getImplementationVendor()) * 1000L);
+                    Date buildDate = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z").parse(Main.class.getPackage().getImplementationVendor()); // Paper
 
                     Calendar deadline = Calendar.getInstance();
                     deadline.add(Calendar.DAY_OF_YEAR, -7);
diff --git a/src/main/java/org/bukkit/craftbukkit/util/Versioning.java b/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
index 93046379d0cefd5d3236fc59e698809acdc18f80..774556a62eb240da42e84db4502e2ed43495be17 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
@@ -11,7 +11,7 @@ public final class Versioning {
     public static String getBukkitVersion() {
         String result = "Unknown-Version";
 
-        InputStream stream = Bukkit.class.getClassLoader().getResourceAsStream("META-INF/maven/org.spigotmc/spigot-api/pom.properties");
+        InputStream stream = Bukkit.class.getClassLoader().getResourceAsStream("META-INF/maven/io.papermc.paper/paper-api/pom.properties");
         Properties properties = new Properties();
 
         if (stream != null) {
diff --git a/src/main/resources/data/.paperassetsroot b/src/main/resources/data/.paperassetsroot
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391