Minor improvements to the Windows build/release process (GH-5935)

PCbuild/find_msbuild.bat

@@ -29,14 +29,6 @@
 @where msbuild > "%TEMP%\msbuild.loc" 2> nul && set /P MSBUILD= < "%TEMP%\msbuild.loc" & del "%TEMP%\msbuild.loc"
 @if exist "%MSBUILD%" set MSBUILD="%MSBUILD%" & (set _Py_MSBuild_Source=PATH) & goto :found
 
-@rem VS 2015 and earlier register MSBuild separately, so we can find it.
-@rem Prefer MSBuild 14.0 over MSBuild 15.0, since the latter may not be able to find a VC14 install.
-@reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0" /v MSBuildToolsPath /reg:32 >nul 2>nul
-@if NOT ERRORLEVEL 1 @for /F "tokens=1,2*" %%i in ('reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0" /v MSBuildToolsPath /reg:32') DO @(
-    @if "%%i"=="MSBuildToolsPath" @if exist "%%k\msbuild.exe" @(set MSBUILD="%%k\msbuild.exe")
-)
-@if exist %MSBUILD% (set _Py_MSBuild_Source=registry) & goto :found
-
 @rem VS 2017 sets exactly one install as the "main" install, so we may find MSBuild in there.
 @reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\SxS\VS7" /v 15.0 /reg:32 >nul 2>nul
 @if NOT ERRORLEVEL 1 @for /F "tokens=1,2*" %%i in ('reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\SxS\VS7" /v 15.0 /reg:32') DO @(
@@ -44,6 +36,13 @@
 )
 @if exist %MSBUILD% (set _Py_MSBuild_Source=Visual Studio 2017 registry) & goto :found
 
+@rem VS 2015 and earlier register MSBuild separately, so we can find it.
+@reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0" /v MSBuildToolsPath /reg:32 >nul 2>nul
+@if NOT ERRORLEVEL 1 @for /F "tokens=1,2*" %%i in ('reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0" /v MSBuildToolsPath /reg:32') DO @(
+    @if "%%i"=="MSBuildToolsPath" @if exist "%%k\msbuild.exe" @(set MSBUILD="%%k\msbuild.exe")
+)
+@if exist %MSBUILD% (set _Py_MSBuild_Source=registry) & goto :found
+
 
 @exit /b 1
 

Tools/msi/purge.py

@@ -50,6 +50,7 @@ FILES = [
     "test_d.msi",
     "test_pdb.msi",
     "tools.msi",
+    "ucrt.msi",
     "Windows6.0-KB2999226-x64.msu",
     "Windows6.0-KB2999226-x86.msu",
     "Windows6.1-KB2999226-x64.msu",

Tools/msi/uploadrelease.bat

@@ -31,13 +31,17 @@ if "%1" NEQ "" echo Unexpected argument "%1" & exit /B 1
 
 if not defined PLINK where plink > "%TEMP%\plink.loc" 2> nul && set /P PLINK= < "%TEMP%\plink.loc" & del "%TEMP%\plink.loc"
 if not defined PLINK where /R "%ProgramFiles(x86)%\PuTTY" plink > "%TEMP%\plink.loc" 2> nul && set /P PLINK= < "%TEMP%\plink.loc" & del "%TEMP%\plink.loc"
+if not defined PLINK where /R "%ProgramFiles%\PuTTY" plink > "%TEMP%\plink.loc" 2> nul && set /P PLINK= < "%TEMP%\plink.loc" & del "%TEMP%\plink.loc"
 if not defined PLINK where /R "%ProgramFiles(x86)%" plink > "%TEMP%\plink.loc" 2> nul && set /P PLINK= < "%TEMP%\plink.loc" & del "%TEMP%\plink.loc"
+if not defined PLINK where /R "%ProgramFiles%" plink > "%TEMP%\plink.loc" 2> nul && set /P PLINK= < "%TEMP%\plink.loc" & del "%TEMP%\plink.loc"
 if not defined PLINK echo Cannot locate plink.exe & exit /B 1
 echo Found plink.exe at %PLINK%
 
 if not defined PSCP where pscp > "%TEMP%\pscp.loc" 2> nul && set /P pscp= < "%TEMP%\pscp.loc" & del "%TEMP%\pscp.loc"
 if not defined PSCP where /R "%ProgramFiles(x86)%\PuTTY" pscp > "%TEMP%\pscp.loc" 2> nul && set /P pscp= < "%TEMP%\pscp.loc" & del "%TEMP%\pscp.loc"
+if not defined PSCP where /R "%ProgramFiles%\PuTTY" pscp > "%TEMP%\pscp.loc" 2> nul && set /P pscp= < "%TEMP%\pscp.loc" & del "%TEMP%\pscp.loc"
 if not defined PSCP where /R "%ProgramFiles(x86)%" pscp > "%TEMP%\pscp.loc" 2> nul && set /P pscp= < "%TEMP%\pscp.loc" & del "%TEMP%\pscp.loc"
+if not defined PSCP where /R "%ProgramFiles%" pscp > "%TEMP%\pscp.loc" 2> nul && set /P pscp= < "%TEMP%\pscp.loc" & del "%TEMP%\pscp.loc"
 if not defined PSCP echo Cannot locate pscp.exe & exit /B 1
 echo Found pscp.exe at %PSCP%