From 17aa97248fa3aa60d46a1a355ec8d2f5705bad38 Mon Sep 17 00:00:00 2001
From: oobabooga <112222186+oobabooga@users.noreply.github.com>
Date: Fri, 10 Jan 2025 07:22:25 -0800
Subject: [PATCH] Installer: make the hashsum verification more robust on
 Windows

---
 start_windows.bat | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/start_windows.bat b/start_windows.bat
index c167cdc5..960cfdb7 100755
--- a/start_windows.bat
+++ b/start_windows.bat
@@ -41,10 +41,18 @@ if "%conda_exists%" == "F" (
 	mkdir "%INSTALL_DIR%"
 	call curl -Lk "%MINICONDA_DOWNLOAD_URL%" > "%INSTALL_DIR%\miniconda_installer.exe" || ( echo. && echo Miniconda failed to download. && goto end )
 
+	:: Try CertUtil first
 	for /f %%a in ('CertUtil -hashfile "%INSTALL_DIR%\miniconda_installer.exe" SHA256 ^| find /i /v " " ^| find /i "%MINICONDA_CHECKSUM%"') do (
 		set "output=%%a"
 	)
 
+	:: If CertUtil fails, try PowerShell
+	if not defined output (
+		for /f %%a in ('powershell -Command "if((Get-FileHash \"%INSTALL_DIR%\miniconda_installer.exe\" -Algorithm SHA256).Hash -eq ''%MINICONDA_CHECKSUM%''){echo true}"') do (
+			set "output=%%a"
+		)
+	)
+
 	if not defined output (
 		echo The checksum verification for miniconda_installer.exe has failed.
 		del "%INSTALL_DIR%\miniconda_installer.exe"