dotnet-msbuild-tasks
dotnet-msbuild-tasks
Guidance for authoring custom MSBuild tasks: implementing the ITask interface, extending ToolTask for CLI wrappers, using IIncrementalTask (MSBuild 17.8+) for incremental execution, defining inline tasks with CodeTaskFactory, registering tasks via UsingTask, declaring task parameters, debugging tasks, and packaging tasks as NuGet packages.
Version assumptions: .NET 8.0+ SDK (MSBuild 17.8+). IIncrementalTask requires MSBuild 17.8+ (VS 2022 17.8+, .NET 8 SDK). All examples use SDK-style projects. All C# examples assume using Microsoft.Build.Framework; and using Microsoft.Build.Utilities; are in scope unless shown explicitly.
Scope
- ITask interface and Task base class implementation
- ToolTask for wrapping external CLI tools
- IIncrementalTask for engine-filtered incremental execution
- Inline tasks with CodeTaskFactory
- UsingTask registration and task parameters
- Task debugging and NuGet packaging
Out of scope
- MSBuild project system authoring (targets, props, items, conditions) -- see [skill:dotnet-msbuild-authoring]
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