Remove redundancies for BuildFromSource fix (#2017)

* Prevent unnecessary restore for build from source scenario.

Author: singhsarab

scripts/build.sh

@@ -218,12 +218,18 @@ function restore_package()
     log "restore_package: Start restoring packages to $TP_PACKAGES_DIR."
     local start=$SECONDS
 
-    log ".. .. Restore: Source: $TP_ROOT_DIR/src/package/external/external.csproj"
-    $dotnet restore $TP_ROOT_DIR/src/package/external/external.csproj --packages $TP_PACKAGES_DIR -v:minimal -warnaserror -p:Version=$TPB_Version || failed=true
-    if [ "$failed" = true ]; then
-        error "Failed to restore packages."
-        return 2
-    fi
+	if [[ $TP_USE_REPO_API = 0 ]]; then
+		log ".. .. Restore: Source: $TP_ROOT_DIR/src/package/external/external.csproj"
+		$dotnet restore $TP_ROOT_DIR/src/package/external/external.csproj --packages $TP_PACKAGES_DIR -v:minimal -warnaserror -p:Version=$TPB_Version || failed=true
+	else
+		log ".. .. Restore: Source: $TP_ROOT_DIR/src/package/external/external_BuildFromSource.csproj"
+		$dotnet restore $TP_ROOT_DIR/src/package/external/external.csproj --packages $TP_PACKAGES_DIR -v:minimal -warnaserror -p:Version=$TPB_Version  -p:DotNetBuildFromSource=true || failed=true
+	fi
+
+	if [ "$failed" = true ]; then
+		error "Failed to restore packages."
+		return 2
+	fi
 
     log "restore_package: Complete. Elapsed $(( SECONDS - start ))s."
 }
@@ -244,7 +250,7 @@ function invoke_build()
         if [[ $TP_USE_REPO_API = 0 ]]; then
             $dotnet build $TPB_Solution --configuration $TPB_Configuration -v:minimal -p:Version=$TPB_Version -p:CIBuild=$TPB_CIBuild -p:LocalizedBuild=$TPB_LocalizedBuild || failed=true
         else
-            $dotnet build $TPB_Build_From_Source_Solution --configuration $TPB_Configuration -v:minimal -p:Version=$TPB_Version -p:CIBuild=$TPB_CIBuild -p:LocalizedBuild=$TPB_LocalizedBuild || failed=true
+            $dotnet build $TPB_Build_From_Source_Solution --configuration $TPB_Configuration -v:minimal -p:Version=$TPB_Version -p:CIBuild=$TPB_CIBuild -p:LocalizedBuild=$TPB_LocalizedBuild -p:DotNetBuildFromSource=true || failed=true
        fi
     else
         find . -name "$PROJECT_NAME_PATTERNS" | xargs -L 1 $dotnet build --configuration $TPB_Configuration -v:minimal -p:Version=$TPB_Version -p:CIBuild=$TPB_CIBuild -p:LocalizedBuild=$TPB_LocalizedBuild

src/package/external/external.csproj

@@ -23,7 +23,7 @@
     <CopyBuildOutputToPublishDirectory>false</CopyBuildOutputToPublishDirectory>
     <CopyOutputSymbolsToPublishDirectory>false</CopyOutputSymbolsToPublishDirectory>
   </PropertyGroup>
-  <ItemGroup>
+  <ItemGroup Condition=" '$(DotNetBuildFromSource)' != 'true' ">
     <!-- This csproj restore external tools required for build process -->
     <PackageReference Include="NuGet.CommandLine">
       <Version>3.4.3</Version>
@@ -49,13 +49,6 @@
       <Version>1.1.0-beta1-62316-01</Version>
       <PrivateAssets>All</PrivateAssets>
     </PackageReference>
-    <!-- Required for resolution of desktop dependencies in non windows environment.
-         We've to set to net46 since the net451 and other packages have assemblies in wrong case.
-         E.g. System.XML instead of System.Xml. -->
-   <PackageReference Include="Microsoft.TargetingPack.NETFramework.v4.6">
-      <Version>1.0.1</Version>
-      <PrivateAssets>All</PrivateAssets>
-    </PackageReference>
     <PackageReference Include="Microsoft.Internal.TestPlatform.Extensions">
       <Version>$(TestPlatformExternalsVersion)</Version>
       <PrivateAssets>All</PrivateAssets>
@@ -88,6 +81,15 @@
       <Version>15.6.815-master284DF69C</Version>
       <PrivateAssets>All</PrivateAssets>
     </PackageReference>
+  </ItemGroup>
+  <ItemGroup>
+      <!-- Required for resolution of desktop dependencies in non windows environment.
+         We've to set to net46 since the net451 and other packages have assemblies in wrong case.
+         E.g. System.XML instead of System.Xml. -->
+   <PackageReference Include="Microsoft.TargetingPack.NETFramework.v4.6">
+      <Version>1.0.1</Version>
+      <PrivateAssets>All</PrivateAssets>
+    </PackageReference>
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>