Issue #28573: Missing sys._mercurial info and other build issues.
diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj
index 963da89..89415ae 100644
--- a/PCbuild/pythoncore.vcxproj
+++ b/PCbuild/pythoncore.vcxproj
@@ -406,14 +406,21 @@
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
   <Target Name="_GetBuildInfo" BeforeTargets="PrepareForBuild">
-    <Exec Command="hg id -b &gt; &quot;$(IntDir)hgbranch.txt&quot;" ContinueOnError="true" />
-    <Exec Command="hg id -i &gt; &quot;$(IntDir)hgversion.txt&quot;" ContinueOnError="true" />
-    <Exec Command="hg id -t &gt; &quot;$(IntDir)hgtag.txt&quot;" ContinueOnError="true" />
+    <PropertyGroup>
+      <HG Condition="$(HG) == ''">hg</HG>
+      <_HG>$(HG)</_HG>
+      <_HG Condition="$(HG.Contains(` `))">"$(HG)"</_HG>
+    </PropertyGroup>
+    <Message Text="Getting build info from $(_HG)" Importance="high" />
+    <Exec Command="$(_HG) id -b &gt; &quot;$(IntDir)hgbranch.txt&quot;" ContinueOnError="true" />
+    <Exec Command="$(_HG) id -i &gt; &quot;$(IntDir)hgversion.txt&quot;" ContinueOnError="true" />
+    <Exec Command="$(_HG) id -t &gt; &quot;$(IntDir)hgtag.txt&quot;" ContinueOnError="true" />
     <PropertyGroup>
       <HgBranch Condition="Exists('$(IntDir)hgbranch.txt')">$([System.IO.File]::ReadAllText('$(IntDir)hgbranch.txt').Trim())</HgBranch>
       <HgVersion Condition="Exists('$(IntDir)hgversion.txt')">$([System.IO.File]::ReadAllText('$(IntDir)hgversion.txt').Trim())</HgVersion>
       <HgTag Condition="Exists('$(IntDir)hgtag.txt')">$([System.IO.File]::ReadAllText('$(IntDir)hgtag.txt').Trim())</HgTag>
     </PropertyGroup>
+    <Message Text="Building $(HgTag):$(HgVersion) $(HgBranch)" Importance="high" />
     <ItemGroup>
       <ClCompile Include="..\Modules\getbuildinfo.c">
         <PreprocessorDefinitions>HGVERSION="$(HgVersion)";HGTAG="$(HgTag)";HGBRANCH="$(HgBranch)";%(PreprocessorDefinitions)</PreprocessorDefinitions>