Update and rename SourceBuild.props to DotNetBuild.props (#2541)

* Update and rename SourceBuild.props to DotNetBuild.props

* Remove extra newline in DotNetBuild.props

* Update to new controls

* Move stuff out of DotNetBuild.props

* fix line endings

Author: ViktorHofer

Directory.Build.props

@@ -10,12 +10,9 @@
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(DotNetBuildFromSource)' == 'true' or '$(DotNetBuildSourceOnly)' == 'true'">
-    <TargetFrameworkForNETSDK>$(NetCurrent)</TargetFrameworkForNETSDK>
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(DotNetBuildFromSource)' != 'true' and '$(DotNetBuildSourceOnly)' != 'true'">
-    <TargetFrameworkForNETSDK>net8.0</TargetFrameworkForNETSDK>
+  <PropertyGroup>
+    <TargetFrameworkForNETSDK Condition="'$(DotNetBuildSourceOnly)' == 'true'">$(NetCurrent)</TargetFrameworkForNETSDK>
+    <TargetFrameworkForNETSDK Condition="'$(DotNetBuildSourceOnly)' != 'true'">net8.0</TargetFrameworkForNETSDK>
   </PropertyGroup>
 
 </Project>

eng/Build.props

@@ -0,0 +1,7 @@
+<Project>
+
+  <ItemGroup Condition="'$(DotNetBuildSourceOnly)' == 'true'">
+    <ProjectToBuild Include="$(RepoRoot)sourcebuild.slnf" />
+  </ItemGroup>
+
+</Project>

eng/DotNetBuild.props

@@ -0,0 +1,9 @@
+<!-- When altering this file, include @dotnet/product-construction as a reviewer. -->
+<Project>
+
+  <PropertyGroup>
+    <GitHubRepositoryName>command-line-api</GitHubRepositoryName>
+    <SourceBuildManagedOnly>true</SourceBuildManagedOnly>
+  </PropertyGroup>
+
+</Project>