Modern Build Automation for C#/.NET- Matthias Koch

@matkoch87@nukebuildnet

Background● Used MSBuild

○ But XML isn’t very handy

● Used PowerShell○ Lots of unknown unknowns

● Skipped FAKE○ Learning curve of new language

● Used CAKE○ Still scripting

10 Ingredients for an

AKEless* Build System

© Nikolai Norman Andersen

ingredients[0] =

"Console Application"

ingredients[1] =

"CLI Tool Support"

Fluent API

Specification

Composition I

Composition II

Lightweight Resolution

Lightweight Resolution

Tool Dependencies

ingredients[2] =

"Path Handling"

Division Operator Magic

ingredients[3] =

"Value Auto-Injection"

ingredients[4] =

"Target Model"

Target Definitions● Compile depends on Restore

○ DependsOn(Restore)

○ DependentFor(Compile)

● Restore must run after Clean○ Before(Restore)

○ After(Clean)

● Publish triggers Announce○ Triggers(Announce)

○ TriggeredBy(Publish)

● Cleanup must always run○ AssuredAfterFailure()

● Announce must not stop execution○ ProceedAfterFailure()

● Conditions○ OnlyWhenStatic(() => true)

○ OnlyWhenDynamic(() => false)

● Skip behavior○ WhenSkipped(Behavior.Skip)

○ WhenSkipped(Behavior.Execute)

Dependency Graph

ingredients[5] =

"CI Integration"

Collapsing

Configuration Generation

Artifacts

Artifacts

Parameters

Partitioning

ingredients[6] =

"IDE Extensions"

ingredients[7] =

"Global Tool"

$ dotnet tool install Nuke.GlobalTool --global

Applied changes (after setup)

ingredients[8] =

"Build Sharing"

Strategies● Git Submodules

● NuGet Packages

● External Files

● .NET Global Tools

● Default Interface Members?

Global Tools

dotnet pack

_build.csproj _build.nupkg

External Files

Build.tmp

Build.cs.ext

Build.cs

nuke

ingredients[9] =

"Community"❤

Ask Me Anything