Assembly trimming via this tool will not work on .NET Core 3.0 (so you could only pack app with this tool without trimming). Recommended approach is to use built-in functionality in 3.0 for trimming and packing.
Sample approach: https://www.hanselman.com/blog/MakingATinyNETCore30EntirelySelfcontainedSingleExecutable.aspx
Global .NET Core tool, which allows to pack .NET Core projects to single executable.
In fact it's just a wrapper around Warp (https://github.com/dgiagio/warp) and ILLink.Tasks.
Supported environments are same as Warp: win-x64, linux-x64, osx-x64
$ dotnet tool install --global dotnet-warp
Usage: dotnet-warp [arguments] [options]
Arguments:
ProjectFolder Project path.
Options:
-l|--link-level <LEVEL> Optional. Sets link level. Available values: Normal, Aggressive.
-nc|--no-crossgen Optional. Disables Cross Gen during publish when linker is enabled. Sometimes required for linker to work. See issue: https://github.com/mono/linker/issues/314
-v|--verbose Optional. Enables verbose output.
-p|--property Optional. Pass any additional MSBuild properties to 'dotnet publish' command.
$ dotnet-warp
$ dotnet-warp -l aggressive
$ dotnet-warp -p:Version=2.0.1
Aggressive option sets /p:RootAllApplicationAssemblies=false during publish. More info