dump env vars
ZEF_TEST_DEGREE=5
ZEF_FETCH_DEGREE=1
install [HTTP::Signature]
...
/tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/site/bin/zef
1.0.0
/tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/bin//raku
Welcome to Rakudo™ v2025.11.
Implementing the Raku® Programming Language v6.d.
Built on MoarVM version 2025.11.
===> Searching for: HTTP::Signature
===SORRY!=== Error while compiling /root/.sparky/.cache/dyomxrfungwvzapichbe.126/.sparrowdo/site#sources/D8E8752FB9B2B6694CD1C844E154309BA84C0F70 (HTTP::Signature)
Could not find Digest in:
    /tmp/.zef.1764103091.263937/1764103127.263937.6079.248558785467
    /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/site
    /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/vendor
    /tmp/whateverable/rakudo-moar/fe0e20c28859ea709eefad19af452c9d35dff20d/share/perl6/core
    CompUnit::Repository::AbsolutePath<6304537780968>
    CompUnit::Repository::NQP<6304521467360>
    CompUnit::Repository::Perl5<6304521465600>
at /root/.sparky/.cache/dyomxrfungwvzapichbe.126/.sparrowdo/site#sources/D8E8752FB9B2B6694CD1C844E154309BA84C0F70 (HTTP::Signature):4

===> Staging HTTP::Signature:ver<0.1.1>