Init 1.21.5 setup

settings.gradle.kts

@@ -11,6 +11,28 @@ plugins {
     id("org.gradle.toolchains.foojay-resolver-convention") version "0.9.0"
 }
 
+if (!file(".git").exists()) {
+    // Gale start - build changes
+    val errorText = """
+        
+        =====================[ ERROR ]=====================
+         The Leaf project directory is not a properly cloned Git repository.
+         
+         In order to build Leaf from source you must clone
+         the Leaf repository using Git, not download a code
+         zip from GitHub.
+         
+         Built Leaf jars are available for download at
+         https://www.leafmc.one/download
+         
+         See https://github.com/PaperMC/Paper/blob/main/CONTRIBUTING.md
+         for further information on building and modifying Paper forks.
+        ===================================================
+    """.trimIndent()
+    // Gale end - build changes
+    error(errorText)
+}
+
 rootProject.name = "leaf"
 
 for (name in listOf("leaf-api", "leaf-server")) {