zulip.xml

<?xml version="1.0" encoding="UTF-8"?>
<packages>
  <package id="zulip" name="Zulip Desktop App" revision="%version%.1" priority="0" reboot="false">
  <variable name="version" value="4.0.0.0" />
  <variable name="fileversion" value="4.0.0" />

  <check type="file" condition="versiongreaterorequal" value="%version%" path="%PROGRAMFILES%\zulip\%fileversion%\Zulip.exe" />

  <install cmd='%WPKGSOFTWARE%\wpkg\tools\7zip\7za.exe x -o"%PROGRAMFILES%\Zulip\%fileversion%" %WPKGSOFTWARE%\zulip\zulip-%fileversion%-x64.nsis.7z' />
  <install cmd='cmd /c xcopy /sechky "%WPKGSOFTWARE%\zulip\global_config.json" "%PROGRAMFILES%\Zulip-Desktop-Config\" '/>
  <install cmd='cscript %WPKGSOFTWARE%\wpkg\tools\create-shortcut.js /folder:"Zulip" /linkname:"Zulip %fileversion%" /target:"%PROGRAMFILES%\Zulip\%fileversion%\Zulip.exe"' />

  <upgrade include='remove' />
  <upgrade include='install' />

  <remove cmd="taskkill /F /IM Zulip.exe">
  <exit code="0" />
  <exit code="128" />
  </remove>
  <remove cmd='cmd /c rmdir /s /q "%PROGRAMFILES%\Zulip"' />
  <remove cmd='cmd /c rmdir /s /q "%PROGRAMFILES%\Zulip-Desktop-Config"' />
  <remove cmd='cscript %WPKGSOFTWARE%\wpkg\tools\delete-shortcut.js /folder:"Zulip" ' />

</package>
</packages>