xbuild-achilles-heels

backslash-conversion.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<PropertyGroup>
		<Content>Hello \ Bye</Content>
	</PropertyGroup>

	<Target Name="Build">
		<Message Text="$(Content)" />
		
		<WriteLinesToFile File="out.cs" Lines="$(Content)" Overwrite="true" />

		<Message Text="$([System.IO.File]::ReadAllText('out.cs'))" />
	</Target>

<!--
MSBuild Output:
		Hello \ Bye
		Hello \ Bye
	
XBuild Output:
		Hello / Bye
		Hello / Bye

Why, oh WHY are the backslashes converted for things like Message.Text and WriteLinesToFile.Lines 
which have NOTHING to do with paths?
-->

</Project>

emit-code.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<PropertyGroup>
		<!-- Using  %3B for the semicolon doesn't help either, it's dropped anyway -->
		<Content>
			public static class ThisAssembly
			{
				public const string AssemblyName = "$AssemblyName$";
			}
		</Content>
	</PropertyGroup>

	<PropertyGroup>
		<AssemblyName>Foo</AssemblyName>
	</PropertyGroup>
	
	<Target Name="Build">
		<PropertyGroup>
			<!-- Need to do the replacement in another property, since it doesn't work 
				 in the Lines attribute, as shown in property-functions-in-attributes.proj -->
			<Replaced>$(Content.Replace('$AssemblyName$', '$(AssemblyName)'))</Replaced>
		</PropertyGroup>

		<Message Text="$(Replaced)" Importance="low" />
		<WriteLinesToFile File="out.cs" Lines="$(Replaced)" Overwrite="true" />
		<Message Text="$([System.IO.File]::ReadAllText('out.cs'))" />
	</Target>

	<!--
	MSBuild Output:
		public static class ThisAssembly
		{
			public const string AssemblyName = "Foo";
		}
	
	XBuild Output:
		public static class ThisAssembly
		{
			public const string AssemblyName = "Foo"
		}
  
	(Note the missing semi-colon)
	-->

</Project>

item-definition-group.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<ItemDefinitionGroup>
		<!-- Say you want to provide a default value for all, unless explicitly overriden -->
		<File>
			<IsPublic>true</IsPublic>
		</File>
	</ItemDefinitionGroup>

	<ItemGroup>
		<File Include="Default.resx" />
		<File Include="NonPublic.resx">
			<IsPublic>false</IsPublic>
		</File>
		<File Include="Public.resx">
			<IsPublic>true</IsPublic>
		</File>
	</ItemGroup>

	<Target Name="Build">
		<Message Importance="high" Text="%(File.Identity): IsPublic=%(File.IsPublic)" />
		<!-- 
	MSBuild Output:
		Default.resx: IsPublic=true
		NonPublic.resx: IsPublic=false
		Public.resx: IsPublic=true
  
	XBuild:
		Default.resx: IsPublic=
		NonPublic.resx: IsPublic=false
		Public.resx: IsPublic=true
		-->

		<Message Importance="high" Text="Public file: %(File.Identity)" Condition=" '%(File.IsPublic)' == 'true' " />
		<!-- 
	MSBuild Output:
		  Public file: Default.resx
		  Public file: Public.resx  
		  
	XBuild:
		  Public file: Public.resx
		  
		  (Note the default value was never applied)
		-->
	</Target>

</Project>

item-functions-count.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<ItemGroup>
		<None Include="a.txt" />
		<None Include="b.txt" />
	</ItemGroup>

	<Target Name="Build">
		<Message Text="Count @(None -> Count())" />
	</Target>

	<!--
	MSBuild Output:
		Count 2
	
	XBuild Output:
		Count @(None -> Count())
	-->

</Project>

item-functions-distinct.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<ItemGroup>
		<None Include="a.txt" />
		<None Include="a.txt" />
	</ItemGroup>

	<Target Name="Build">
		<Message Text="None: @(None -> Distinct())" />
	</Target>

	<!--
	MSBuild Output:
		None: a.txt
	
	XBuild Output:
		None: @(None -> Distinct())
	-->

</Project>

item-functions-in-property.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<ItemGroup>
		<None Include="a.txt">
			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
		</None>
		<None Include="b.txt" />
	</ItemGroup>

	<Target Name="Build">
		<PropertyGroup>
			<NoneWithCopy>@(None -> HasMetadata('CopyToOutputDirectory'))</NoneWithCopy>
		</PropertyGroup>

		<Message Importance="high" Text="$(NoneWithCopy)" />
		<!-- 
	MSBuild Output:
		a.txt
  
	XBuild Output:
		@(None -> HasMetadata('CopyToOutputDirectory'))

		-->
	</Target>

</Project>

item-functions-intrinsic.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<ItemGroup>
		<TheItem Include="first">
			<Plant>geranium</Plant>
		</TheItem>
		<TheItem Include="second">
			<Plant>algae</Plant>
		</TheItem>
		<TheItem Include="third">
			<Plant>geranium</Plant>
		</TheItem>
	</ItemGroup>

	<Target Name="Build">
		<Message Text="MetaData:    @(TheItem->Metadata('Plant'))" />
		<Message Text="HasMetadata: @(theItem->HasMetadata('Plant'))" />
		<Message Text="WithMetadataValue: @(TheItem->WithMetadataValue('Plant', 'geranium'))" />
		<Message Text=" " />
		<Message Text="Count:   @(theItem->Count())" />
		<Message Text="Reverse: @(theItem->Reverse())" />
	</Target>

	<!-- 
	MSBuild Output:
		MetaData:    geranium;algae;geranium
		HasMetadata: first;second;third
		WithMetadataValue: first;third

		Count:   3
		Reverse: third;second;first

	XBuild Output:
		MetaData:    @(TheItem->Metadata('Plant'))
		HasMetadata: @(theItem->HasMetadata('Plant'))
		WithMetadataValue: @(TheItem->WithMetadataValue('Plant', 'geranium'))
		 
		Count:   @(theItem->Count())
		Reverse: @(theItem->Reverse())
	-->
	
</Project>

item-functions-string.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<ItemGroup>
		<theItem Include="andromeda;tadpole;cartwheel" />
	</ItemGroup>

	<Target Name="Build">
		<Message Text="IndexOf  @(theItem->IndexOf('r'))" />
		<Message Text="Replace  @(theItem->Replace('tadpole', 'pinwheel'))" />
		<Message Text="Length   @(theItem->get_Length())" />
		<Message Text="Chars    @(theItem->get_Chars(2))" />
	</Target>

	<!--
MSBUild Output:
    IndexOf  3;-1;2
    Replace  andromeda;pinwheel;cartwheel
    Length   9;7;9
    Chars    d;d;r
	
XBuild Output:
	IndexOf  @(theItem->IndexOf('r'))
	Replace  @(theItem->Replace('tadpole', 'pinwheel'))
	Length   @(theItem->get_Length())
	Chars    @(theItem->get_Chars(2))
  -->

</Project>

item-functions-withmetadatavalue.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<ItemGroup>
		<EmbeddedResource Include="NonCode.resx" />
		<EmbeddedResource Include="NonPublic.resx">
			<Generator>ResXFileCodeGenerator</Generator>
		</EmbeddedResource>
		<EmbeddedResource Include="Public.resx">
			<Generator>PublicResXFileCodeGenerator</Generator>
		</EmbeddedResource>
	</ItemGroup>

	<ItemGroup>
		<ResxCode Include="@(EmbeddedResource -> WithMetadataValue('Generator', 'ResXFileCodeGenerator'))">
			<Public>False</Public>
		</ResxCode>
		<ResxCode Include="@(EmbeddedResource -> WithMetadataValue('Generator', 'PublicResXFileCodeGenerator'))">
			<Public>True</Public>
		</ResxCode>
	</ItemGroup>

	<Target Name="Build">
		<Message Importance="high" Text="Resx with code: %(ResxCode.Identity) (Public=%(ResxCode.Public))" />
		<!-- 
MSBuild Output:
	Resx with code: NonPublic.resx (Public=False)
	Resx with code: Public.resx (Public=True)		

XBuild:
	Resx with code: @(EmbeddedResource -> WithMetadataValue('Generator', 'ResXFileCodeGenerator')) (Public=False)
	Resx with code: @(EmbeddedResource -> WithMetadataValue('Generator', 'PublicResXFileCodeGenerator')) (Public=True)
		-->	
	</Target>
	
</Project>

item-metadata-augmentation.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<ItemGroup>
		<None Include="a.txt" />
		<None Include="b.txt" />
	</ItemGroup>
	
	<Target Name="Build">
		<ItemGroup>
			<None>
				<OriginalIdentity>%(Identity)</OriginalIdentity>
			</None>
		</ItemGroup>
		
		<Message Importance="high" Text="%(None.Identity)=%(None.OriginalIdentity)" />
		<!-- 
	MSBuild Output:
		a.txt=a.txt
		b.txt=b.txt
  
	XBuild (with /v:diag):
		: error : Error building target Build: Object reference not set to an instance of an object
		Error building target Build: System.NullReferenceException: Object reference not set to an instance of an object
		  at Microsoft.Build.BuildEngine.Project.GetMetadataBatched (System.String itemName, System.String metadataName) <0x2b7ee08 + 0x00037> in <filename unknown>:0 
		-->
</Target>
	
</Project>

item-metadata-property-functions.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<ItemGroup>
		<None Include="a.txt" />
		<None Include="b.txt" />
	</ItemGroup>
	
	<Target Name="Build">
		<ItemGroup>
			<None>
				<Content>$([System.IO.File]::ReadAllText('%(Identity)'))</Content>
			</None>
		</ItemGroup>
		
		<Message Importance="high" Text="%(None.Identity)=%(None.Content)" />
		<!-- 
	MSBuild Output:
		a.txt=A
		b.txt=B
  
	XBuild (with /v:diag):
		: error : Error building target Build: Exception has been thrown by the target of an invocation.
		Error building target Build: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. -> System.IO.FileNotFoundException: Could not find file "/Volumes/C/Code/Personal/xbuildsucks/%(Identity)".
		File name: '/Volumes/C/Code/Personal/xbuildsucks/%(Identity)'
		-->
</Target>
	
</Project>

property-functions-in-attributes.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

	<PropertyGroup>
		<Content>Hello $Name$</Content>
	</PropertyGroup>
	
	<Target Name="Build">
		<!-- This works on XBuild -->
		<Message Importance="high" Text="$(Content.Replace('$Name$', 'Foo'))" />
		<!-- This doesn't work on XBuild -->
		<WriteLinesToFile File="out.cs" Lines="$(Content.Replace('$Name$', 'Foo'))" Overwrite="true" />
		<Message Importance="high" Text="$([System.IO.File]::ReadAllText('out.cs'))" />
		<!-- 
MSBuild Output:
	Hello Foo
	Hello Foo
  
XBuild Output:
	Hello Foo
	error : Error executing task WriteLinesToFile: Error converting Property named 'Lines' with value '$(Content.Replace('$Name$', 'Foo'))' to type Microsoft.Build.Framework.ITaskItem[]: The method or operation is not implemented.

-->
</Target>
	
</Project>