From 4d0a76416f5ca0402bfe7fc3fcd52a6d36c660c3 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 29 Jul 2023 17:21:34 +0300
Subject: [PATCH] qt6.qtwebengine: don't try to install locales to qtbase
 translation directory

---
 .../libraries/qt-6/modules/qtwebengine.nix    |  3 ++
 .../patches/qtwebengine-locales-path.patch    | 28 +++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 pkgs/development/libraries/qt-6/patches/qtwebengine-locales-path.patch

diff --git a/pkgs/development/libraries/qt-6/modules/qtwebengine.nix b/pkgs/development/libraries/qt-6/modules/qtwebengine.nix
index 909616d953de..361be9490b64 100644
--- a/pkgs/development/libraries/qt-6/modules/qtwebengine.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtwebengine.nix
@@ -135,6 +135,9 @@ qtModule {
     # environment variable, since NixOS relies on it working.
     # See https://github.com/NixOS/nixpkgs/issues/226484 for more context.
     ../patches/qtwebengine-xkb-includes.patch
+
+    # Override locales install path so they go to QtWebEngine's $out
+    ../patches/qtwebengine-locales-path.patch
   ];
 
   postPatch = ''
diff --git a/pkgs/development/libraries/qt-6/patches/qtwebengine-locales-path.patch b/pkgs/development/libraries/qt-6/patches/qtwebengine-locales-path.patch
new file mode 100644
index 000000000000..58f2d96f8097
--- /dev/null
+++ b/pkgs/development/libraries/qt-6/patches/qtwebengine-locales-path.patch
@@ -0,0 +1,28 @@
+diff --git a/src/core/api/CMakeLists.txt b/src/core/api/CMakeLists.txt
+index f860e0ba7..30e1a767a 100644
+--- a/src/core/api/CMakeLists.txt
++++ b/src/core/api/CMakeLists.txt
+@@ -193,7 +193,8 @@ if(QT_FEATURE_framework)
+ 
+ else()
+     install(FILES ${localeFiles}
+-        DESTINATION ${INSTALL_TRANSLATIONSDIR}/qtwebengine_locales
++        # Nixpkgs: INSTALL_TRANSLATIONSDIR points to Qt base translations store path
++        DESTINATION ${INSTALL_DATADIR}/qtwebengine_locales
+         CONFIGURATIONS ${config}
+     )
+     install(FILES ${resourceFiles}
+diff --git a/src/core/web_engine_library_info.cpp b/src/core/web_engine_library_info.cpp
+index c03c9a3b2..430fdfab2 100644
+--- a/src/core/web_engine_library_info.cpp
++++ b/src/core/web_engine_library_info.cpp
+@@ -203,7 +203,8 @@ QString localesPath()
+             candidatePaths << getResourcesPath(frameworkBundle()) % QDir::separator()
+                             % QLatin1String("qtwebengine_locales");
+ #endif
+-            candidatePaths << QLibraryInfo::path(QLibraryInfo::TranslationsPath) % QDir::separator()
++            // Nixpkgs: match the changes made in CMakeLists.txt
++            candidatePaths << QLibraryInfo::path(QLibraryInfo::DataPath) % QDir::separator()
+                             % QLatin1String("qtwebengine_locales");
+             candidatePaths << fallbackDir();
+         }