<!-- no windows, try native paket as default, root => tool => proj style => mono paket => bootstrpper => global -->
<PaketExePath Condition=" '$(PaketExePath)' == '' AND '$(OS)' != 'Windows_NT' AND Exists('$(PaketRootPath)paket') ">$(PaketRootPath)paket</PaketExePath>
<PaketExePath Condition=" '$(PaketExePath)' == '' AND '$(OS)' != 'Windows_NT' AND Exists('$(PaketToolsPath)paket') ">$(PaketToolsPath)paket</PaketExePath>
<PaketExePath Condition=" '$(PaketExePath)' == '' AND '$(OS)' != 'Windows_NT' AND '$(PaketBootstrapperStyle)' == 'proj' ">$(PaketToolsPath)paket</PaketExePath>
<!-- Second test: Call 'dotnet paket' and see if it returns without an error. Mute all the output. Only run if previous test failed and the test has not been disabled. -->
<!-- WARNING: This method can lead to processes hanging forever, and should be used as little as possible. See https://github.com/fsprojects/Paket/issues/3705 for details. -->
<Exec Condition=" '$(PaketExePath)' == '' AND !$(PaketDisableCliTest) AND !$(_ConfigContainsPaket)" Command="dotnet paket --version" IgnoreExitCode="true" StandardOutputImportance="low" StandardErrorImportance="low" >
<PaketExePath Condition=" '$(PaketExePath)' == '' AND '$(OS)' != 'Windows_NT' AND Exists('$(PaketRootPath)paket.exe') ">$(PaketRootPath)paket.exe</PaketExePath>
<PaketExePath Condition=" '$(PaketExePath)' == '' AND '$(OS)' != 'Windows_NT' AND Exists('$(PaketToolsPath)paket.exe') ">$(PaketToolsPath)paket.exe</PaketExePath>
<!-- If paket is installed as CLI use that. Again, only if paket haven't already been found in standard locations. -->
<PropertyGroup Condition=" '$(PaketExePath)' == '' AND ($(_ConfigContainsPaket) OR '$(LocalPaketToolExitCode)' == '0') ">
<_PaketCommand>dotnet paket</_PaketCommand>
</PropertyGroup>
<!-- no windows, try bootstrapper -->
<PaketExePath Condition=" '$(PaketExePath)' == '' AND '$(OS)' != 'Windows_NT' AND Exists('$(PaketBootStrapperExeDir)') ">$(PaketBootStrapperExeDir)paket.exe</PaketExePath>
<!-- If neither local files nor CLI tool can be found, final attempt is searching for boostrapper config before falling back to global path variable. -->
<PropertyGroup Condition=" '$(PaketExePath)' == '' AND '$(_PaketCommand)' == '' ">
<!-- Test for bootstrapper setup -->
<PaketExePath Condition=" '$(PaketExePath)' == '' AND '$(PaketBootstrapperStyle)' == 'proj' ">$(PaketToolsPath)paket</PaketExePath>
<PaketExePath Condition=" '$(PaketExePath)' == '' AND Exists('$(PaketBootStrapperExeDir)') ">$(PaketBootStrapperExeDir)paket</PaketExePath>
<!-- no windows, try global native paket -->
<PaketExePath Condition=" '$(PaketExePath)' == '' AND '$(OS)' != 'Windows_NT' ">paket</PaketExePath>
<!-- If all else fails, use global path approach. -->
<Exec Command='$(PaketBootStrapperCommand)' Condition=" '$(PaketBootstrapperStyle)' == 'classic' AND Exists('$(PaketBootStrapperExePath)') AND !(Exists('$(PaketExePath)'))" ContinueOnError="false" />
<Error Text="Stop build because of PAKET_ERROR_ON_MSBUILD_EXEC and we need a full restore (hashes don't match)" Condition=" '$(PAKET_ERROR_ON_MSBUILD_EXEC)' == 'true' AND '$(PaketRestoreRequired)' == 'true' AND '$(PaketDisableGlobalRestore)' != 'true'" />