LMMS
From WPKG | Open Source Software Deployment and Distribution
LMMS (Linux MultiMedia Studio) is a software to produce music (like FL Studio). Installer use NSIS.
<?xml version="1.0" encoding="UTF-8"?>
<packages:packages
xmlns:packages="http://www.wpkg.org/packages" xmlns:wpkg="http://www.wpkg.org/wpkg" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.wpkg.org/packages ../../xsd/packages.xsd" >
<package id="lmms"
name="Linux MultiMedia Studio"
revision="%VERSION%"
reboot="false"
priority="20">
<variable name="VERSION" value="0.4.13" />
<variable name="PKG_DESTINATION" value="%ProgramFiles%\LMMS" architecture="x86"/>
<variable name="PKG_DESTINATION" value="%ProgramFiles(x86)%\" architecture="x64"/>
<variable name="ARCH" value="win32" architecture="x86"/>
<variable name="ARCH" value="win64" architecture="x64"/>
<variable name="PKG_INSTALL_SWITCH" value="/S"/>
<variable name="PKG_REMOVE_SWITCH" value="/S _?=%PKG_DESTINATION%"/>
<check type="uninstall" condition="exists" path="LMMS %VERSION%" />
<install cmd='"%SOFTWARE%\lmms-%VERSION%-%ARCH%.exe" %PKG_INSTALL_SWITCH%' />
<upgrade include="install" />
<remove cmd='"%PKG_DESTINATION%\Uninstall.exe" %PKG_REMOVE_SWITCH%' />
<remove cmd='%ComSpec% /C if exist "%PKG_DESTINATION%" rmdir /S /Q "%PKG_DESTINATION%"' />
</package>
</packages:packages>