patrickb@RakudoCIBot [1]$ zef install --deps-only --exclude="WebService::GitHub" .
===> Searching for missing dependencies: LibXML:ver<0.7.4>:auth<zef:dwarring>, Red:ver<0.1.60>:auth<zef:FCO>:api<2>, Log::Async:ver<0.0.8>, WebService::GitHub:ver<0.2.2>:auth<zef:raku-community-modules>:api<1>, Test::SourceFiles, Test::Mock
===> Failed to find dependencies: WebService::GitHub:ver<0.2.2>:auth<zef:raku-community-modules>:api<1>
Failed to resolve some missing dependencies (use e.g. --exclude="WebService::GitHub" to skip)
patrickb@RakudoCIBot [1]$ zef install --deps-only --exclude="WebService::GitHub:ver<0.2.2>:auth<zef:raku-community-modules>:api<1>" .
===> Searching for missing dependencies: LibXML:ver<0.7.4>:auth<zef:dwarring>, Red:ver<0.1.60>:auth<zef:FCO>:api<2>, Log::Async:ver<0.0.8>, Test::SourceFiles, Test::Mock
===> Searching for missing dependencies: Method::Also, W3C::DOM:ver<0.0.2+>, XML, AttrX::Mooish:ver<0.8.4+>:auth<zef:vrurg>, LibraryMake, DBIish, DB::Pg, UUID, App::RaCoCo
===> Searching for missing dependencies: NativeHelpers::Blob, NativeLibs, NativeCall::TypeDiag, Test::When, NativeLibs:ver<0.0.7+>:auth<github:salortiz>, LibUUID, Shell::Command
===> Searching for missing dependencies: File::Which, File::Find
===> Building: LibXML:ver<0.7.4>:auth<zef:dwarring>
...