From 1819eacbdb6f16adcdd00adaeb372bf448e824e9 Mon Sep 17 00:00:00 2001
From: mugulmd <mugulmotion@gmail.com>
Date: Thu, 5 Jan 2023 08:59:26 -0800
Subject: [PATCH] [ui] override default thumbnail directory with environment
 variable

---
 meshroom/ui/app.py                  | 5 +++++
 meshroom/ui/components/thumbnail.py | 1 +
 2 files changed, 6 insertions(+)

diff --git a/meshroom/ui/app.py b/meshroom/ui/app.py
index 982e8e43..66fbd278 100644
--- a/meshroom/ui/app.py
+++ b/meshroom/ui/app.py
@@ -116,6 +116,11 @@ class MeshroomApp(QApplication):
         pwd = os.path.dirname(__file__)
         self.setWindowIcon(QIcon(os.path.join(pwd, "img/meshroom.svg")))
 
+        # User specified thumbnail directory
+        thumbnailDir = os.getenv('MESHROOM_THUMBNAIL_DIR')
+        if thumbnailDir is not None:
+            ThumbnailCache.thumbnailDir = thumbnailDir
+
         # QML engine setup
         qmlDir = os.path.join(pwd, "qml")
         url = os.path.join(qmlDir, "main.qml")
diff --git a/meshroom/ui/components/thumbnail.py b/meshroom/ui/components/thumbnail.py
index 6cacbe3d..17ee29c4 100644
--- a/meshroom/ui/components/thumbnail.py
+++ b/meshroom/ui/components/thumbnail.py
@@ -15,6 +15,7 @@ class ThumbnailCache(QObject):
 
     The default cache location is a subdirectory of the user's home directory:
     ~/Meshroom/thumbnails.
+    This location can be overriden with the MESHROOM_THUMBNAIL_DIR environment variable.
 
     The main use case for thumbnails in Meshroom is in the ImageGallery.
     """