From 4a3ae595357d8c6c48938d889d199b50f09221e5 Mon Sep 17 00:00:00 2001
From: Jason <11360596+jpenilla@users.noreply.github.com>
Date: Sun, 20 Nov 2022 11:26:20 -0700
Subject: [PATCH] [ci skip] Add check for git repo (#8578)

---
 settings.gradle.kts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/settings.gradle.kts b/settings.gradle.kts
index 18cf95a32..189e95819 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,5 +1,25 @@
 import java.util.Locale
 
+if (!file(".git").isDirectory) {
+    val errorText = """
+        
+        =====================[ ERROR ]=====================
+         The Paper project directory is not a properly cloned Git repository.
+         
+         In order to build Paper from source you must clone
+         the Paper repository using Git, not download a code
+         zip from GitHub.
+         
+         Built Paper jars are available for download at
+         https://papermc.io/downloads
+         
+         See https://github.com/PaperMC/Paper/blob/master/CONTRIBUTING.md
+         for further information on building and modifying Paper.
+        ===================================================
+    """.trimIndent()
+    error(errorText)
+}
+
 pluginManagement {
     repositories {
         gradlePluginPortal()