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CommandsNext: Attributes on subcommands aren't executing when no Command attribute is specified.

See original GitHub issue

Summary

All attributes, except for Command, Description, GroupCommand and Aliases, are not checked when a subcommand is being executed.

Details

Environment:

OS: Ubuntu 20.10
.NET Version: 5.0, Microsoft Snap Package, https://snapcraft.io/dotnet-sdk
Editor: Gnome Terminal, VSC + Omnisharp extension
Exceptions: None

CSProj file:

<Project Sdk="Microsoft.NET.Sdk">
    <PropertyGroup>
        <OutputType>Exe</OutputType>
        <TargetFramework>net5.0</TargetFramework>
        <RuntimeIdentifier>ubuntu.20.04-x64</RuntimeIdentifier>
        <RootNamespace>Tomoe</RootNamespace>
        <PublishTrimmed>true</PublishTrimmed>
        <PublishSingleFile>true</PublishSingleFile>
        <IncludeNativeLibrariesInSingleFile>true</IncludeNativeLibrariesInSingleFile>
        <IncludeSymbolsInSingleFile>true</IncludeSymbolsInSingleFile>
        <IncludeAllContentInSingleFile>true</IncludeAllContentInSingleFile>
        <NoWarn>CS8632;CS4014;CS1998</NoWarn>
    </PropertyGroup>
    <ItemGroup>
        <PackageReference Include="DSharpPlus" Version="4.0.0-nightly-00766" />
        <PackageReference Include="DSharpPlus.CommandsNext" Version="4.0.0-nightly-00766" />
        <PackageReference Include="DSharpPlus.Interactivity" Version="4.0.0-nightly-00766" />
        <PackageReference Include="Microsoft.Data.Sqlite" Version="3.1.9" />
        <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
        <PackageReference Include="Npgsql" Version="4.1.4" />
    </ItemGroup>
</Project>

Code:

namespace Tomoe.Commands.Public {
    [Group("tag")]
    public class Tags : BaseCommandModule {
        [RequireGuild]
        [Description("Gets a tag's content.")]
        [GroupCommand]
        [Command("get")]
        [Aliases("retrieve")]
        public async Task Get(CommandContext context, [RemainingText] string tagTitle) => context.RespondAsync("Hello world!");
    }
}