From ca4a13589d027d7c74e38ea40c5e83e9b336225e Mon Sep 17 00:00:00 2001
From: comp500 <comp500@users.noreply.github.com>
Date: Sun, 11 Aug 2019 22:37:42 +0100
Subject: [PATCH] Fix crash on empty index file
---
.../java/link/infra/packwiz/installer/UpdateManager.java | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/main/java/link/infra/packwiz/installer/UpdateManager.java b/src/main/java/link/infra/packwiz/installer/UpdateManager.java
index de48ade..f4645a6 100644
--- a/src/main/java/link/infra/packwiz/installer/UpdateManager.java
+++ b/src/main/java/link/infra/packwiz/installer/UpdateManager.java
@@ -296,6 +296,10 @@ public class UpdateManager {
ui.submitProgress(new InstallProgress("Comparing new files..."));
// TODO: progress bar?
+ if (indexFile.files == null || indexFile.files.size() == 0) {
+ System.out.println("Warning: Index is empty!");
+ indexFile.files = new ArrayList<>();
+ }
List<DownloadTask> tasks = DownloadTask.createTasksFromIndex(indexFile, indexFile.hashFormat, opts.side);
// If the side changes, invalidate EVERYTHING just in case
// Might not be needed, but done just to be safe
@@ -328,7 +332,7 @@ public class UpdateManager {
tasks.parallelStream().forEach(f -> f.downloadMetadata(indexFile, indexUri));
List<IExceptionDetails> failedTasks = tasks.stream().filter(t -> t.getException() != null).collect(Collectors.toList());
- if (failedTasks.size() > 0) {
+ if (!failedTasks.isEmpty()) {
IExceptionDetails.ExceptionListResult exceptionListResult;
try {
exceptionListResult = ui.showExceptions(failedTasks, tasks.size(), true).get();