Add support for Pack target in Microsoft.Build.Traversal (#53)

Closes #52

Author: jeffkl

src/Traversal.UnitTests/TraversalTests.cs

@@ -75,6 +75,7 @@ public void SkipsNonExistentTargets()
         [InlineData("Clean")]
         [InlineData("Build")]
         [InlineData("Test")]
+        [InlineData("Pack")]
         public void TraversalTargetsRun(string target)
         {
             string[] projects = new[]

src/Traversal/Sdk/Sdk.targets

@@ -55,6 +55,10 @@
       CleanPublishFolder;
       AfterClean
     </CleanDependsOn>
+
+    <PackDependsOn>
+      ResolveReferences;
+    </PackDependsOn>
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TraversalTranslateProjectFileItems)' != 'false' ">
@@ -204,6 +208,49 @@
              SkipNonexistentProjects="$(SkipNonexistentProjects)"
              SkipNonexistentTargets="$(SkipNonexistentTargets)" />
   </Target>
+
+  <Target Name="Pack"
+          DependsOnTargets="$(PackDependsOn)">
+
+    <MSBuild Projects="@(PreTraversalProject)"
+             Targets="Pack"
+             Properties="$(PreTraversalGlobalProperties)"
+             Condition=" '@(PreTraversalProject)' != '' "
+             BuildInParallel="$(BuildInParallel)"
+             SkipNonexistentProjects="$(SkipNonexistentProjects)"
+             SkipNonexistentTargets="$(SkipNonexistentTargets)" />
+
+    <MSBuild Projects="@(PreTraversalPackProject)"
+             Targets="Pack"
+             Properties="$(PreTraversalPackGlobalProperties)"
+             Condition=" '@(PreTraversalPackProject)' != '' "
+             BuildInParallel="$(BuildInParallel)"
+             SkipNonexistentProjects="$(SkipNonexistentProjects)"
+             SkipNonexistentTargets="$(SkipNonexistentTargets)" />
+
+    <MSBuild Projects="@(_MSBuildProjectReferenceExistent)"
+             Targets="Pack"
+             Properties="$(TraversalGlobalProperties);$(TraversalPackGlobalProperties)"
+             BuildInParallel="$(BuildInParallel)"
+             SkipNonexistentProjects="$(SkipNonexistentProjects)"
+             SkipNonexistentTargets="$(SkipNonexistentTargets)" />
+
+    <MSBuild Projects="@(PostTraversalPackProject)"
+             Targets="Pack"
+             Properties="$(PostTraversalPackGlobalProperties)"
+             Condition=" '@(PostTraversalPackProject)' != '' "
+             BuildInParallel="$(BuildInParallel)"
+             SkipNonexistentProjects="$(SkipNonexistentProjects)"
+             SkipNonexistentTargets="$(SkipNonexistentTargets)" />
+
+    <MSBuild Projects="@(PostTraversalProject)"
+             Targets="Pack"
+             Properties="$(PostTraversalGlobalProperties)"
+             Condition=" '@(PostTraversalProject)' != '' "
+             BuildInParallel="$(BuildInParallel)"
+             SkipNonexistentProjects="$(SkipNonexistentProjects)"
+             SkipNonexistentTargets="$(SkipNonexistentTargets)" />
+  </Target>
 
   <!--
     Traversal projects do not build anything and should not check for invalid configuration/platform.