Sieve/build/Build.cs

using System.Linq;
using Nuke.Common;
using Nuke.Common.CI;
using Nuke.Common.Execution;
using Nuke.Common.Git;
using Nuke.Common.IO;
using Nuke.Common.ProjectModel;
using Nuke.Common.Tools.DotNet;
using Nuke.Common.Tools.GitVersion;
using static Nuke.Common.IO.FileSystemTasks;
using static Nuke.Common.Tools.DotNet.DotNetTasks;

[CheckBuildProjectConfigurations]
[ShutdownDotNetAfterServerBuild]
class Build : NukeBuild
{
    /// Support plugins are available for:
    ///   - JetBrains ReSharper        https://nuke.build/resharper
    ///   - JetBrains Rider            https://nuke.build/rider
    ///   - Microsoft VisualStudio     https://nuke.build/visualstudio
    ///   - Microsoft VSCode           https://nuke.build/vscode

     public static int Main() => Execute<Build>(x => x.Package);

    [Parameter("Configuration to build - Default is 'Debug' (local) or 'Release' (server)")]
    readonly Configuration Configuration = IsLocalBuild ? Configuration.Debug : Configuration.Release;

    [Solution]
    readonly Solution Solution;

    Project SieveProject => Solution.AllProjects.First(p => p.Name == "Sieve");

    [GitRepository]
    readonly GitRepository GitRepository;

    [GitVersion(Framework = "netcoreapp3.1")]
    readonly GitVersion GitVersion;

    AbsolutePath OutputDirectory => RootDirectory / "output";

    Target Clean => _ => _
        .Executes(() =>
        {
            DotNetClean();
            EnsureCleanDirectory(OutputDirectory);
        });

    Target Restore => _ => _
        .DependsOn(Clean)
        .Executes(() =>
        {
            DotNetRestore(s => s
                .SetProjectFile(Solution));
        });

    Target Compile => _ => _
        .DependsOn(Restore)
        .Executes(() =>
        {
            DotNetBuild(s => s
                .SetProjectFile(Solution)
                .SetConfiguration(Configuration)
                .SetAssemblyVersion(GitVersion.AssemblySemVer)
                .SetFileVersion(GitVersion.AssemblySemFileVer)
                .SetInformationalVersion(GitVersion.InformationalVersion)
                .EnableNoRestore());
        });

    Target Test => _ => _
        .DependsOn(Compile)
        .Executes(() =>
        {
            DotNetTest(s => s
                .SetProjectFile(Solution)
                .EnableNoRestore()
                .EnableNoBuild());
        });

    Target Package => _ => _
        .DependsOn(Test)
        .Executes(() =>
        {
            DotNetPack(s => s
                .SetProject(SieveProject)
                .SetConfiguration(Configuration)
                .SetOutputDirectory(OutputDirectory)
                .SetVersion(GitVersion.NuGetVersionV2)
                .EnableNoRestore()
                .EnableNoBuild());
        });

    Target Ci => _ => _
        .DependsOn(Package);

}