From de42109771e2de579d8d1a4764ea802984d21e04 Mon Sep 17 00:00:00 2001
From: wagyourtail <wagyourtail@wagyourtail.xyz>
Date: Tue, 6 Jul 2021 15:59:06 -0600
Subject: [PATCH] add check

---
 buildSrc/src/main/java/baritone/gradle/task/ProguardTask.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/buildSrc/src/main/java/baritone/gradle/task/ProguardTask.java b/buildSrc/src/main/java/baritone/gradle/task/ProguardTask.java
index 6c3635a80..68387fc00 100644
--- a/buildSrc/src/main/java/baritone/gradle/task/ProguardTask.java
+++ b/buildSrc/src/main/java/baritone/gradle/task/ProguardTask.java
@@ -89,7 +89,6 @@ public class ProguardTask extends BaritoneGradleTask {
     private void copyMcJar() throws IOException {
         File mcClientJar = this.getProject().getConvention().getPlugin(JavaPluginConvention.class).getSourceSets().findByName("launch").getRuntimeClasspath().getFiles()
             .stream()
-            //this line will change when using official mappings in 1.17
             .filter(f -> f.getName().startsWith("minecraft-"))
             .map(f -> {
                 switch (compType) {
@@ -104,6 +103,7 @@ public class ProguardTask extends BaritoneGradleTask {
                 })
             .findFirst()
             .get();
+        if (!mcClientJar.exists()) throw new IOException("Failed to find minecraft! " + mcClientJar.getAbsolutePath());
         if (!copyMcTargetDir.exists() && !copyMcTargetDir.mkdirs()) throw new IOException("Failed to create target for copyMcJar");
         Files.copy(mcClientJar.toPath(), copyMcTargetJar.toPath(), REPLACE_EXISTING);
     }