From ada3acdba4a0a2cef5f4de284a66e42cc6dcf23e Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <dktapps@pmmp.io>
Date: Sat, 21 Dec 2024 17:43:59 +0000
Subject: [PATCH] FormatConverter: ensure we don't get stalled due to stdout
 buffer flood this can happen due to very noisy outputs during conversion,
 e.g. if there were many unknown blocks.

---
 src/world/format/io/FormatConverter.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/world/format/io/FormatConverter.php b/src/world/format/io/FormatConverter.php
index 1d485afa2..ea5af221c 100644
--- a/src/world/format/io/FormatConverter.php
+++ b/src/world/format/io/FormatConverter.php
@@ -33,6 +33,7 @@ use function basename;
 use function crc32;
 use function file_exists;
 use function floor;
+use function flush;
 use function microtime;
 use function mkdir;
 use function random_bytes;
@@ -150,6 +151,7 @@ class FormatConverter{
 				$diff = $time - $thisRound;
 				$thisRound = $time;
 				$this->logger->info("Converted $counter / $count chunks (" . floor($this->chunksPerProgressUpdate / $diff) . " chunks/sec)");
+				flush();
 			}
 		}
 		$total = microtime(true) - $start;