Clone of https://github.com/NixOS/nixpkgs.git (to stress-test knotserver)

Perl {#setup-hook-perl}#

Adds the lib/site_perl subdirectory of each build input to the PERL5LIB environment variable. For instance, if buildInputs contains Perl, then the lib/site_perl subdirectory of each input is added to the PERL5LIB environment variable.