let's get this started

build.gradle.kts

@@ -3,7 +3,7 @@ import org.gradle.api.tasks.testing.logging.TestLogEvent
 
 plugins {
     java // TODO java launcher tasks
-    id("io.papermc.paperweight.patcher") version "2.0.0-beta.19"
+    id("io.papermc.paperweight.patcher") version "2.0.0-SNAPSHOT"
 }
 
 val paperMavenPublicUrl = "https://repo.papermc.io/repository/maven-public/"
@@ -37,13 +37,13 @@ subprojects {
 
     extensions.configure<JavaPluginExtension> {
         toolchain {
-            languageVersion = JavaLanguageVersion.of(21)
+            languageVersion = JavaLanguageVersion.of(25)
         }
     }
 
     tasks.withType<JavaCompile> {
         options.encoding = Charsets.UTF_8.name()
-        options.release = 21
+        options.release = 25
         options.isFork = true
         options.compilerArgs.addAll(listOf("-Xlint:-deprecation", "-Xlint:-removal"))
     }

gradle.properties

@@ -1,9 +1,9 @@
 group = org.purpurmc.purpur
-version = 1.21.11-R0.1-SNAPSHOT
+version=26.1-snapshot-11-R0.1-SNAPSHOT
 
-mcVersion = 1.21.11
+mcVersion=26.1-snapshot-11
-apiVersion = 1.21.11
+apiVersion = 26.1
-paperCommit = 3f5728e24942a470a428c60839eda5340f85f9f8
+paperCommit = 22c0219b3f42ad0d6a06e41321e020eeacb7b02f
 
 org.gradle.configuration-cache = true
 org.gradle.caching = true

purpur-api/build.gradle.kts.patch

@@ -1,7 +1,7 @@
 --- a/paper-api/build.gradle.kts
 +++ b/paper-api/build.gradle.kts
 @@ -91,7 +_,7 @@
-     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
+     testRuntimeOnly("org.junit.platform:junit-platform-launcher:6.0.3")
  }
  
 -val generatedDir: java.nio.file.Path = layout.projectDirectory.dir("src/generated/java").asFile.toPath()

purpur-server/build.gradle.kts.patch

@@ -9,10 +9,11 @@
  
  plugins {
      `java-library`
-@@ -22,6 +_,18 @@
+@@ -22,9 +_,21 @@
      minecraftVersion = providers.gradleProperty("mcVersion")
      gitFilePatches = false
  
+-    updatingMinecraft {
 +    // Purpur start - Rebrand
 +    val purpur = forks.register("purpur") {
 +        upstream.patchDir("paperServer") {
@@ -25,10 +26,14 @@
 +    activeFork = purpur
 +    // Purpur end - Rebrand
 +
-     spigot {
++    /*updatingMinecraft { // Purpur start - TODO - snapshot - we don't need this
-         enabled = true
+         oldPaperCommit = "7e80cef5198561d0db53406127e5b8bc7af51577"
-         buildDataRef = "17f77cee7117ab9d6175f088ae8962bfd04e61a9"
+-    }
-@@ -104,7 +_,21 @@
++    }*/ // Purpur end - TODO - snapshot - we don't need this
+ }
+ 
+ tasks.generateDevelopmentBundle {
+@@ -86,7 +_,21 @@
      }
  }
  
@@ -51,7 +56,7 @@
  configurations.named(log4jPlugins.compileClasspathConfigurationName) {
      extendsFrom(configurations.compileClasspath.get())
  }
-@@ -127,7 +_,7 @@
+@@ -109,7 +_,7 @@
  }
  
  dependencies {
@@ -60,8 +65,8 @@
      implementation("ca.spottedleaf:concurrentutil:0.0.8")
      implementation("org.jline:jline-terminal-ffm:3.27.1") // use ffm on java 22+
      implementation("org.jline:jline-terminal-jni:3.27.1") // fall back to jni on java 21
-@@ -153,6 +_,10 @@
+@@ -135,6 +_,10 @@
-     implementation("org.ow2.asm:asm-commons:9.8")
+     implementation("org.ow2.asm:asm-commons:9.9.1")
      implementation("org.spongepowered:configurate-yaml:4.2.0")
  
 +    implementation("org.mozilla:rhino-runtime:1.7.14") // Purpur
@@ -71,7 +76,7 @@
      // Deps that were previously in the API but have now been moved here for backwards compat, eventually to be removed
      runtimeOnly("commons-lang:commons-lang:2.6")
      runtimeOnly("org.xerial:sqlite-jdbc:3.49.1.0")
-@@ -191,21 +_,21 @@
+@@ -164,21 +_,21 @@
          val git = Git(rootProject.layout.projectDirectory.path)
          val mcVersion = rootProject.providers.gradleProperty("mcVersion").get()
          val build = System.getenv("BUILD_NUMBER") ?: null
@@ -99,7 +104,7 @@
              "Build-Number" to (build ?: ""),
              "Build-Time" to buildTime.toString(),
              "Git-Branch" to gitBranch,
-@@ -264,7 +_,7 @@
+@@ -237,7 +_,7 @@
      jvmArgumentProviders.add(provider)
  }
  
@@ -108,7 +113,7 @@
  idea {
      module {
          generatedSourceDirs.add(generatedDir.toFile())
-@@ -356,7 +_,7 @@
+@@ -314,7 +_,7 @@
      mainClass.set(null as String?)
  }
  
@@ -117,7 +122,7 @@
      project("paper")
      versionFamily(paperweight.minecraftVersion.map { it.split(".", "-").takeWhile { part -> part.toIntOrNull() != null }.take(2).joinToString(".") })
      version(paperweight.minecraftVersion)
-@@ -371,4 +_,47 @@
+@@ -329,4 +_,47 @@
              }
          }
      }