From 02aadd8a4356dcab36a464885a5b97207a9a2319 Mon Sep 17 00:00:00 2001
From: Orgad Shaneh <orgad.shaneh@audiocodes.com>
Date: Sat, 4 May 2024 23:02:43 +0300
Subject: [PATCH] ninja: Fix slow cursor update regression

Reported in https://github.com/ninja-build/ninja/issues/2435

PR waiting for approval: https://github.com/ninja-build/ninja/pull/2437.
---
 ...e-Do-not-set-locale-to-an-empty-stri.patch | 27 +++++++++++++++++++
 mingw-w64-ninja/PKGBUILD                      | 11 +++++---
 2 files changed, 34 insertions(+), 4 deletions(-)
 create mode 100644 mingw-w64-ninja/0001-RealDiskInterface-Do-not-set-locale-to-an-empty-stri.patch

diff --git a/mingw-w64-ninja/0001-RealDiskInterface-Do-not-set-locale-to-an-empty-stri.patch b/mingw-w64-ninja/0001-RealDiskInterface-Do-not-set-locale-to-an-empty-stri.patch
new file mode 100644
index 0000000000000..ef02127bc0ed1
--- /dev/null
+++ b/mingw-w64-ninja/0001-RealDiskInterface-Do-not-set-locale-to-an-empty-stri.patch
@@ -0,0 +1,27 @@
+From 3d1a5fa9ab4a38fd5c2004820907158e1e774858 Mon Sep 17 00:00:00 2001
+From: Orgad Shaneh <orgad.shaneh@audiocodes.com>
+Date: Sat, 4 May 2024 22:49:06 +0300
+Subject: [PATCH] RealDiskInterface: Do *not* set locale to an empty string
+
+It causes the cursor handling to be extremely slow on MinGW.
+
+Added in #2321.
+
+Fixes #2435.
+---
+ src/disk_interface.cc | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/src/disk_interface.cc b/src/disk_interface.cc
+index 5aba2179ef..1259c612f4 100644
+--- a/src/disk_interface.cc
++++ b/src/disk_interface.cc
+@@ -161,8 +161,6 @@ bool DiskInterface::MakeDirs(const string& path) {
+ RealDiskInterface::RealDiskInterface()
+ #ifdef _WIN32
+ : use_cache_(false), long_paths_enabled_(false) {
+-  setlocale(LC_ALL, "");
+-
+   // Probe ntdll.dll for RtlAreLongPathsEnabled, and call it if it exists.
+   HINSTANCE ntdll_lib = ::GetModuleHandleW(L"ntdll");
+   if (ntdll_lib) {
diff --git a/mingw-w64-ninja/PKGBUILD b/mingw-w64-ninja/PKGBUILD
index fef882c6f90e1..92e8b1a6067d8 100644
--- a/mingw-w64-ninja/PKGBUILD
+++ b/mingw-w64-ninja/PKGBUILD
@@ -4,7 +4,7 @@ _realname=ninja
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=1.12.0
-pkgrel=1
+pkgrel=2
 pkgdesc="Ninja is a small build system with a focus on speed (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
@@ -13,12 +13,15 @@ license=('spdx:Apache-2.0')
 depends=()
 options=('strip' 'staticlibs')
 makedepends=("re2c" "${MINGW_PACKAGE_PREFIX}-python" "${MINGW_PACKAGE_PREFIX}-cc")
-source=("${_realname}-${pkgver}.tar.gz"::"https://github.com/ninja-build/ninja/archive/v${pkgver}.tar.gz")
-sha256sums=('8b2c86cd483dc7fcb7975c5ec7329135d210099a89bc7db0590a07b0bbfe49a5')
+source=("${_realname}-${pkgver}.tar.gz"::"https://github.com/ninja-build/ninja/archive/v${pkgver}.tar.gz"
+        "0001-RealDiskInterface-Do-not-set-locale-to-an-empty-stri.patch")
+sha256sums=('8b2c86cd483dc7fcb7975c5ec7329135d210099a89bc7db0590a07b0bbfe49a5'
+            'e0b99734711ea439d34ef40a3db06939609b2cfa55e345a83b932048f61c5329')
 
 prepare() {
   cd "${srcdir}"/ninja-${pkgver}
-
+  # https://github.com/ninja-build/ninja/pull/2437
+  patch -p1 -i "${srcdir}"/0001-RealDiskInterface-Do-not-set-locale-to-an-empty-stri.patch
 }
 
 build() {