From 38049d92a819f59fa2bd875d140751c52be7cde9 Mon Sep 17 00:00:00 2001
From: refracta <58779799+refracta@users.noreply.github.com>
Date: Sun, 1 Jun 2025 16:09:40 +0900
Subject: [PATCH] Filter out missing game directories

---
 config.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/config.py b/config.py
index cf04d772..7f548d07 100755
--- a/config.py
+++ b/config.py
@@ -1,4 +1,5 @@
 import logging
+import os
 
 try:
     from collections import OrderedDict
@@ -169,6 +170,23 @@ def create_game(game_key, overrides=None):
 # Combine all game lists into one
 games = OrderedDict(trunk + stable_versions + forks)
 
+# Filter out games whose installation directories are missing. Without this
+# check the webserver can hang while loading games when a version was not
+# installed correctly.
+def _filter_installed(game_dict):
+    base_dir = os.environ.get('CHROOT_CRAWL_BASEDIR', '%%CHROOT_CRAWL_BASEDIR%%')
+    root = os.environ.get('DGL_CHROOT', '%%DGL_CHROOT%%')
+    filtered = OrderedDict()
+    for key, cfg in game_dict.items():
+        game_dir = os.path.join(root, base_dir, f"crawl-{cfg['version']}")
+        if os.path.isdir(game_dir):
+            filtered[key] = cfg
+        else:
+            logging.warning("Skipping game %s: missing directory %s", key, game_dir)
+    return filtered
+
+games = _filter_installed(games)
+
 dgl_status_file = "%%CHROOT_WEBDIR%%/run/status"
 forks_milestones = [
     "%%CHROOT_CRAWL_BASEDIR%%/crawl-dcssca/saves/milestones",