Don't run build stuff when restoring

Author: kzu

build.proj

@@ -155,17 +155,17 @@
 		<Error Text="Build script NuGet packages were missing and were just restored. Please run the build again." Condition=" '$(PendingRestore)' == 'true' and '$(target)' != 'Restore' "/>
 
     <!-- Invoke GitVersion just like the project-level targets do -->
-		<CallTarget Targets="GitInfoReport" />
+		<CallTarget Targets="GitInfoReport" Condition="'$(PendingRestore)' != 'true'" />
     <!-- For now this is an informative version #, used to update CI -->
-    <Message Text="Building version $(PackageVersion)" Importance="high" />
+    <Message Text="Building version $(PackageVersion)" Importance="high" Condition="'$(PendingRestore)' != 'true'" />
 
     <PropertyGroup>
       <GitInfoReportImportance>high</GitInfoReportImportance>
     </PropertyGroup>
 
     <!-- Update AppVeyor build # to match the actual one being used -->
     <Exec Command="appveyor UpdateBuild -Version $(PackageVersion)"
-          Condition=" '$(APPVEYOR)' == 'true' "
+          Condition=" '$(APPVEYOR)' == 'true' and '$(PendingRestore)' != 'true' "
           ConsoleToMSBuild="true"
           ContinueOnError="WarnAndContinue" />
   </Target>