Single Executable and Global Tools

GlobalToolSingleExecutable.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>netcoreapp2.1</TargetFramework>
    <OutputType>Exe</OutputType>
  </PropertyGroup>

  <PropertyGroup Condition="'$(PublishSingleFile)' != 'true'">
    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
    <PackAsTool>true</PackAsTool>
    <PackageId>test</PackageId>
    <PackageVersion>$(Version)</PackageVersion>
    <Authors>guitarrapc</Authors>
    <Copyright>guitarrapc</Copyright>
    <Description>Test.</Description>
    <PackageProjectUrl>https://github.com/guitarrapc/dotnet-lab</PackageProjectUrl>
    <RepositoryUrl>$(PackageProjectUrl)</RepositoryUrl>
    <RepositoryType>git</RepositoryType>
  </PropertyGroup>

  <PropertyGroup Condition="'$(PublishSingleFile)' == 'true'">
    <TargetFramework>netcoreapp3.0</TargetFramework>
    <PublishSingleFile>true</PublishSingleFile>
    <PublishTrimmed>true</PublishTrimmed>
    <IncludeSymbolsInSingleFile>true</IncludeSymbolsInSingleFile>
  </PropertyGroup>

</Project>

Program.cs

using System;

namespace SimpleSingleExecutable
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
        }
    }
}