fix(packaging/windows): add Sunshine directories to system PATH (#3727)

src_assets/windows/misc/path/update-path.bat

@@ -0,0 +1,111 @@
+@echo off
+setlocal EnableDelayedExpansion
+
+rem Check if parameter is provided
+if "%~1"=="" (
+    echo Usage: %0 [add^|remove]
+    echo   add    - Adds Sunshine directories to system PATH
+    echo   remove - Removes Sunshine directories from system PATH
+    exit /b 1
+)
+
+rem Get sunshine root directory
+for %%I in ("%~dp0\..") do set "ROOT_DIR=%%~fI"
+echo Sunshine root directory: !ROOT_DIR!
+
+rem Define directories to add to path
+set "PATHS_TO_MANAGE[0]=!ROOT_DIR!"
+set "PATHS_TO_MANAGE[1]=!ROOT_DIR!\tools"
+
+rem System path registry location
+set "KEY_NAME=HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment"
+set "VALUE_NAME=Path"
+
+rem Get the current path
+for /f "tokens=2*" %%A in ('reg query "%KEY_NAME%" /v "%VALUE_NAME%"') do set "CURRENT_PATH=%%B"
+echo Current path: !CURRENT_PATH!
+
+rem Check if adding to path
+if /i "%~1"=="add" (
+    set "NEW_PATH=!CURRENT_PATH!"
+
+    rem Process each directory to add
+    for /L %%i in (0,1,1) do (
+        set "DIR_TO_ADD=!PATHS_TO_MANAGE[%%i]!"
+
+        rem Check if path already contains this directory
+        echo "!CURRENT_PATH!" | findstr /i /c:"!DIR_TO_ADD!" > nul
+        if !ERRORLEVEL!==0 (
+            echo !DIR_TO_ADD! already in path
+        ) else (
+            echo Adding to path: !DIR_TO_ADD!
+            set "NEW_PATH=!NEW_PATH!;!DIR_TO_ADD!"
+        )
+    )
+
+    rem Only update if path was changed
+    if "!NEW_PATH!" neq "!CURRENT_PATH!" (
+        rem Set the new path in the registry
+        reg add "%KEY_NAME%" /v "%VALUE_NAME%" /t REG_EXPAND_SZ /d "!NEW_PATH!" /f
+        if !ERRORLEVEL!==0 (
+            echo Successfully added Sunshine directories to PATH
+        ) else (
+            echo Failed to add Sunshine directories to PATH
+        )
+    ) else (
+        echo No changes needed to PATH
+    )
+    exit /b !ERRORLEVEL!
+)
+
+rem Check if removing from path
+if /i "%~1"=="remove" (
+    set "CHANGES_MADE=0"
+
+    rem Process each directory to remove
+    for /L %%i in (0,1,1) do (
+        set "DIR_TO_REMOVE=!PATHS_TO_MANAGE[%%i]!"
+
+        rem Check if path contains this directory
+        echo "!CURRENT_PATH!" | findstr /i /c:"!DIR_TO_REMOVE!" > nul
+        if !ERRORLEVEL!==0 (
+            echo Removing from path: !DIR_TO_REMOVE!
+
+            rem Build a new path by parsing and filtering the current path
+            set "NEW_PATH="
+            for %%p in ("!CURRENT_PATH:;=" "!") do (
+                set "PART=%%~p"
+                if /i "!PART!" NEQ "!DIR_TO_REMOVE!" (
+                    if defined NEW_PATH (
+                        set "NEW_PATH=!NEW_PATH!;!PART!"
+                    ) else (
+                        set "NEW_PATH=!PART!"
+                    )
+                )
+            )
+
+            set "CURRENT_PATH=!NEW_PATH!"
+            set "CHANGES_MADE=1"
+        ) else (
+            echo !DIR_TO_REMOVE! not found in path
+        )
+    )
+
+    rem Only update if path was changed
+    if "!CHANGES_MADE!"=="1" (
+        rem Set the new path in the registry
+        reg add "%KEY_NAME%" /v "%VALUE_NAME%" /t REG_EXPAND_SZ /d "!CURRENT_PATH!" /f
+        if !ERRORLEVEL!==0 (
+            echo Successfully removed Sunshine directories from PATH
+        ) else (
+            echo Failed to remove Sunshine directories from PATH
+        )
+    ) else (
+        echo No changes needed to PATH
+    )
+    exit /b !ERRORLEVEL!
+)
+
+echo Unknown parameter: %~1
+echo Usage: %0 [add^|remove]
+exit /b 1