Install NSSM by download/unzip

install-beszel-service.cmd

@@ -1,4 +1,5 @@
 @echo off
+cd /D "%~dp0"
 if !%1==! goto help
 if !%2==! goto help
 
@@ -7,17 +8,27 @@ set BESZELKEY=%2
 set SERVICENAME=BeszelAgent
 set DESTINATIONDIR=%ProgramFiles%\%SERVICENAME%
 set AGENTEXE=%DESTINATIONDIR%\agent.exe
+set NSSMEXE=nssm.exe
 
 where nssm.exe >nul 2>&1
-if %errorlevel%==1 goto install
+if %errorlevel%==1 goto installnssm
 goto proceed
 
-:install
-echo Installing NSSM with winget
-winget install nssm
-rem Refresh the environment to start nssm from %PATH%
-rem Call RefreshEnv.cmd from Chocolatey:
-call .\RefreshEnv.cmd
+:installnssm
+echo Downloading NSSM
+curl.exe --output "%TEMP%\nssm-2.24.zip" --url https://nssm.cc/release/nssm-2.24.zip >nul 2>&1
+echo Extracting ZIP file
+tar.exe -xf %TEMP%\nssm-2.24.zip
+echo Copying nssm.exe to %DESTINATIONDIR%
+if %PROCESSOR_ARCHITECTURE%==AMD64 (
+	copy .\nssm-2.24\win64\nssm.exe "%DESTINATIONDIR%\" >nul 2>&1
+) else (
+	copy .\nssm-2.24\win32\nssm.exe "%DESTINATIONDIR%\" >nul 2>&1
+)
+set NSSMEXE="%DESTINATIONDIR%\nssm.exe"
+echo Deleting temporary files
+del "%TEMP%\nssm-2.24.zip" >nul 2>&1
+rd /s/q .\nssm-2.24 >nul 2>&1
 
 :proceed
 echo Creating deirectory %DESTINATIONDIR%
@@ -30,14 +41,14 @@ echo Adding firewall rule
 netsh advfirewall firewall add rule name="%SERVICENAME%" dir=in action=allow program="%AGENTEXE%" enable=yes >nul 2>&1
 
 echo Installing service
-nssm install %SERVICENAME% "%AGENTEXE%" >nul 2>&1
-nssm set %SERVICENAME% AppEnvironmentExtra "KEY=%BESZELKEYPREFIX% %BESZELKEY%" >nul 2>&1
+%NSSMEXE% install %SERVICENAME% "%AGENTEXE%" >nul 2>&1
+%NSSMEXE% set %SERVICENAME% AppEnvironmentExtra "KEY=%BESZELKEYPREFIX% %BESZELKEY%" >nul 2>&1
 
-echo Setting environment für service
-nssm start %SERVICENAME% >nul 2>&1
+echo Setting environment for service
+%NSSMEXE% start %SERVICENAME% >nul 2>&1
 
 echo Service installed, status:
-nssm dump %SERVICENAME%
+%NSSMEXE% dump %SERVICENAME%
 goto end
 
 :help