Do not migrate Content that is already included in the Web SDK for web apps.

src/Microsoft.DotNet.ProjectJsonMigration/Rules/MigrateBuildOptionsRule.cs

@@ -151,7 +151,10 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Rules
                 .WithMetadata("CopyToOutputDirectory", "PreserveNewest");
 
         private IncludeContextTransform CopyToOutputFilesTransformForWeb =>
-            new UpdateContextTransform("None", transformMappings: true)
+            new UpdateContextTransform(
+                    "None",
+                    transformMappings: true,
+                    excludePatternsRule: pattern => PatternIncludedInWebSdk(pattern))
                 .WithMetadata("CopyToOutputDirectory", "PreserveNewest");
 
         private AddPropertyTransform<Project> GenerateRuntimeConfigurationFilesTransform => 
@@ -226,6 +229,14 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Rules
             ConstructTransformLists();
         }
 
+        private bool PatternIncludedInWebSdk(string pattern)
+        {
+            return pattern.Equals("wwwroot") ||
+                pattern.Contains("web.config") ||
+                pattern.Equals("**/*.cshtml") ||
+                pattern.Contains(".json");
+        }
+
         private bool ContainsCompilerResources(string projectDirectory)
         {
             return Directory.Exists(Path.Combine(projectDirectory, "compiler", "resources"));

src/Microsoft.DotNet.ProjectJsonMigration/Rules/MigratePublishOptionsRule.cs

@@ -45,7 +45,18 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Rules
                 .WithMetadata("CopyToPublishDirectory", "PreserveNewest");
 
         private IncludeContextTransform CopyToPublishDirectoryTransformForWeb =>
-            new UpdateContextTransform("None", transformMappings: true)
+            new UpdateContextTransform(
+                    "None",
+                    transformMappings: true,
+                    excludePatternsRule: pattern => PatternIncludedInWebSdk(pattern))
                 .WithMetadata("CopyToPublishDirectory", "PreserveNewest");
+
+        private bool PatternIncludedInWebSdk(string pattern)
+        {
+            return pattern.Equals("wwwroot/**") ||
+                pattern.Equals("**/web.config") ||
+                pattern.Equals("**/*.cshtml") ||
+                pattern.Equals("**/*.json");
+        }
     }
 }

src/Microsoft.DotNet.ProjectJsonMigration/Transforms/UpdateContextTransform.cs

@@ -16,10 +16,13 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Transforms
                     itemName,
                     includeContext => string.Empty,
                     includeContext => FormatGlobPatternsForMsbuild(includeContext.ExcludeFiles, includeContext.SourceBasePath),
-                    includeContext => FormatGlobPatternsForMsbuild(includeContext.IncludeFiles, includeContext.SourceBasePath),
+                    includeContext => FormatGlobPatternsForMsbuild(
+                        includeContext.IncludeFiles.OrEmptyIfNull().Where(
+                            pattern => !ExcludePatternRule(pattern)), includeContext.SourceBasePath),
                     includeContext => includeContext != null
                         && includeContext.IncludeFiles != null
-                        && includeContext.IncludeFiles.Count > 0);
+                        && includeContext.IncludeFiles.Where(
+                            pattern => !ExcludePatternRule(pattern)).Count() > 0);
 
         protected override Func<string, AddItemTransform<IncludeContext>> IncludeExcludeTransformGetter =>
             (itemName) => new AddItemTransform<IncludeContext>(
@@ -39,24 +42,27 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Transforms
                                          .Union(includeContext.BuiltInsInclude.OrEmptyIfNull())
                                          .Union(includeContext.CustomIncludePatterns.OrEmptyIfNull());
 
-                    return FormatGlobPatternsForMsbuild(fullIncludeSet, includeContext.SourceBasePath);
+                    return FormatGlobPatternsForMsbuild(
+                        fullIncludeSet.Where(pattern => !ExcludePatternRule(pattern)),
+                        includeContext.SourceBasePath);
                 },
                 includeContext =>
                 {
-                    return includeContext != null &&
+                    return includeContext != null &&includeContext.IncludePatterns.OrEmptyIfNull()
-                        (
+                                         .Union(includeContext.BuiltInsInclude.OrEmptyIfNull())
-                            (includeContext.IncludePatterns != null && includeContext.IncludePatterns.Count > 0)
+                                         .Union(includeContext.CustomIncludePatterns.OrEmptyIfNull())
-                            ||
+                                         .Where(pattern => !ExcludePatternRule(pattern)).Count() > 0;
-                            (includeContext.BuiltInsInclude != null && includeContext.BuiltInsInclude.Count > 0)
-                            ||
-                            (includeContext.CustomIncludePatterns != null && includeContext.CustomIncludePatterns.Count > 0)
-                        );
                 });
 
         public UpdateContextTransform(
             string itemName,
             bool transformMappings = true,
-            Func<IncludeContext, bool> condition = null) : base(itemName, transformMappings, condition)
+            Func<IncludeContext, bool> condition = null,
+            Func<string, bool> excludePatternsRule = null) : base(
+                itemName,
+                transformMappings,
+                condition,
+                excludePatternsRule: excludePatternsRule)
         {
         }
     }

src/Microsoft.DotNet.ProjectJsonMigration/transforms/IncludeContextTransform.cs

@@ -20,12 +20,12 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Transforms
                 new AddItemTransform<IncludeContext>(
                     itemName,
                     includeContext => FormatGlobPatternsForMsbuild(includeContext.IncludeFiles.OrEmptyIfNull()
-                                                                       .Where((pattern) => !_excludePatternRule(pattern)),
+                                                                       .Where((pattern) => !ExcludePatternRule(pattern)),
                                                                    includeContext.SourceBasePath),
                     includeContext => FormatGlobPatternsForMsbuild(includeContext.ExcludeFiles, includeContext.SourceBasePath),
                     includeContext => includeContext != null
                         && includeContext.IncludeFiles != null
-                        && includeContext.IncludeFiles.Where((pattern) => !_excludePatternRule(pattern)).Count() > 0);
+                        && includeContext.IncludeFiles.Where((pattern) => !ExcludePatternRule(pattern)).Count() > 0);
 
         protected virtual Func<string, AddItemTransform<IncludeContext>> IncludeExcludeTransformGetter =>
             (itemName) => new AddItemTransform<IncludeContext>(
@@ -39,7 +39,7 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Transforms
                         fullIncludeSet = fullIncludeSet.Union(includeContext.BuiltInsInclude.OrEmptyIfNull());
                     }
 
-                    fullIncludeSet = fullIncludeSet.Where((pattern) => !_excludePatternRule(pattern));
+                    fullIncludeSet = fullIncludeSet.Where((pattern) => !ExcludePatternRule(pattern));
 
                     return FormatGlobPatternsForMsbuild(fullIncludeSet, includeContext.SourceBasePath);
                 },
@@ -55,9 +55,9 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Transforms
                 {
                     return includeContext != null &&
                         (
-                            (includeContext.IncludePatterns != null && includeContext.IncludePatterns.Where((pattern) => !_excludePatternRule(pattern)).Count() > 0)
+                            (includeContext.IncludePatterns != null && includeContext.IncludePatterns.Where((pattern) => !ExcludePatternRule(pattern)).Count() > 0)
                             ||
-                            (includeContext.CustomIncludePatterns != null && includeContext.CustomIncludePatterns.Where((pattern) => !_excludePatternRule(pattern)).Count() > 0)
+                            (includeContext.CustomIncludePatterns != null && includeContext.CustomIncludePatterns.Where((pattern) => !ExcludePatternRule(pattern)).Count() > 0)
                             ||
                             (_emitBuiltInIncludes && 
                              includeContext.BuiltInsInclude != null && 
@@ -75,7 +75,7 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Transforms
 
         private readonly string _itemName;
         private bool _transformMappings;
-        private Func<string, bool> _excludePatternRule;
+        protected Func<string, bool> ExcludePatternRule { get; }
         private bool _emitBuiltInIncludes;
         private readonly List<ItemMetadataValue<IncludeContext>> _metadata = new List<ItemMetadataValue<IncludeContext>>();
 
@@ -89,7 +89,7 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Transforms
             _itemName = itemName;
             _transformMappings = transformMappings;
             _emitBuiltInIncludes = emitBuiltInIncludes;
-            _excludePatternRule = excludePatternsRule ?? ((pattern) => false);
+            ExcludePatternRule = excludePatternsRule ?? ((pattern) => false);
 
             _mappingsToTransfrom = (addItemTransform, targetPath) =>
             {

test/Microsoft.DotNet.ProjectJsonMigration.Tests/Rules/GivenThatIWantToMigrateBuildOptions.cs

@@ -450,11 +450,35 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Tests
             mockProj.Properties.First(p => p.Name == "GenerateDocumentationFile").Value.Should().Be("true");
         }
 
+        [Fact]
+        public void ExcludedPatternsAreNotEmittedOnNoneWhenBuildingAWebProject()
+        {
+            var mockProj = RunBuildOptionsRuleOnPj(@"
+                {
+                    ""buildOptions"": {
+                        ""emitEntryPoint"": true,
+                        ""copyToOutput"": {
+                            ""include"": [""wwwroot"", ""**/*.cshtml"", ""appsettings.json"", ""web.config""],
+                        }
+                    },
+                    ""dependencies"": {
+                        ""Microsoft.AspNetCore.Mvc"" : {
+                            ""version"": ""1.0.0""
+                        }
+                    },
+                    ""frameworks"": {
+                        ""netcoreapp1.0"": {}
+                    }
+                }");
+
+            mockProj.Items.Count(i => i.ItemType.Equals("None", StringComparison.Ordinal)).Should().Be(0);
+        }
+
         [Theory]
         [InlineData("compile", "Compile", 3, "")]
         [InlineData("embed", "EmbeddedResource", 3, ";rootfile.cs")]
         [InlineData("copyToOutput", "None", 2, ";rootfile.cs")]
-        private void MigratingGroupIncludeExcludePopulatesAppropriateProjectItemElement(
+        public void MigratingGroupIncludeExcludePopulatesAppropriateProjectItemElement(
             string group,
             string itemName,
             int expectedNumberOfCompileItems, 
@@ -530,7 +554,7 @@ namespace Microsoft.DotNet.ProjectJsonMigration.Tests
         [InlineData("compile", "Compile", "")]
         [InlineData("embed", "EmbeddedResource", ";rootfile.cs")]
         [InlineData("copyToOutput", "None", ";rootfile.cs")]
-        private void MigratingGroupIncludeOnlyPopulatesAppropriateProjectItemElement(
+        public void MigratingGroupIncludeOnlyPopulatesAppropriateProjectItemElement(
             string group,
             string itemName,
             string expectedRootFiles)