Fix build batch files (#2750)

* Enable building MSI, zip and nuget packages when Py_OutDir is set.

* Restore the --build option, which got reverted at some point.

* Ensure output directory is created.

* Enables BuildForDaily and DailyBuildVersion options for nuget package.
diff --git a/Tools/nuget/make_pkg.proj b/Tools/nuget/make_pkg.proj
index 464ef04..3750d8d 100644
--- a/Tools/nuget/make_pkg.proj
+++ b/Tools/nuget/make_pkg.proj
@@ -4,6 +4,7 @@
         <ProjectGuid>{10487945-15D1-4092-A214-338395C4116B}</ProjectGuid>
         <OutputName>python</OutputName>
         <OutputName Condition="$(Platform) == 'x86'">$(OutputName)x86</OutputName>
+        <OutputName Condition="$(BuildForDaily) == 'true'">$(OutputName)daily</OutputName>
         <OutputSuffix></OutputSuffix>
         <SupportSigning>false</SupportSigning>
         <BuildForRelease Condition="$(BuildForRelease) == ''">true</BuildForRelease>
@@ -15,6 +16,7 @@
         <Nuget Condition="$(Nuget) == ''">$(ExternalsDir)\windows-installer\nuget\nuget.exe</Nuget>
         <NuspecVersion>$(MajorVersionNumber).$(MinorVersionNumber).$(MicroVersionNumber)</NuspecVersion>
         <NuspecVersion Condition="$(ReleaseLevelName) != ''">$(NuspecVersion)-$(ReleaseLevelName)</NuspecVersion>
+        <NuspecVersion Condition="$(BuildForDaily) == 'true'">$(MajorVersionNumber).$(MinorVersionNumber).$(DailyBuildVersion)</NuspecVersion>
         <SignOutput>false</SignOutput>
         <TargetName>$(OutputName).$(NuspecVersion)</TargetName>
         <TargetExt>.nupkg</TargetExt>
@@ -23,7 +25,7 @@
         <CleanCommand>rmdir /q/s "$(IntermediateOutputPath)"</CleanCommand>
         
         <PythonArguments>"$(PythonExe)" "$(MSBuildThisFileDirectory)\..\msi\make_zip.py"</PythonArguments>
-        <PythonArguments>$(PythonArguments) -t "$(IntermediateOutputPath)" -a $(ArchName)</PythonArguments>
+        <PythonArguments>$(PythonArguments) -t "$(IntermediateOutputPath)" -b "$(BuildPath.TrimEnd(`\`))"</PythonArguments>
         
         <PipArguments>"$(IntermediateOutputPath)\python.exe" -B -c "import sys; sys.path.append(r'$(PySourcePath)\Lib'); import ensurepip; ensurepip._main()"</PipArguments>
         <PackageArguments Condition="$(Packages) != ''">"$(IntermediateOutputPath)\python.exe" -B -m pip install -U $(Packages)</PackageArguments>
@@ -35,7 +37,9 @@
         <NugetArguments>$(NugetArguments) -NoPackageAnalysis -NonInteractive</NugetArguments>
         
         <Environment>set DOC_FILENAME=python$(PythonVersion).chm</Environment>
+        <Environment>$(Environment)%0D%0Aset PYTHONPATH=$(PySourcePath)Lib</Environment>
         <Environment Condition="Exists($(CRTRedist))">$(Environment)%0D%0Aset VCREDIST_PATH=$(CRTRedist)\$(Platform)</Environment>
+        <Environment>$(Environment)%0D%0Amkdir "$(OutputPath.Trim(`\`))" &gt;nul 2&gt;nul</Environment>
     </PropertyGroup>
 
     <Target Name="_NugetMissing" BeforeTargets="_Build" Condition="!Exists($(Nuget))">