stdenv/check-meta: inline negation of availableOn

    ;

  inherit (lib.meta)

    availableOn

    platformMatch

    cpeFullVersionWithVendor

    ;

  isMarkedBroken = attrs: attrs.meta.broken or false;

  hasUnsupportedPlatform = pkg: !(availableOn hostPlatform pkg);

  # Logical inversion of meta.availableOn for hostPlatform

  hasUnsupportedPlatform =

    let

      anyHostPlatform = any (platformMatch hostPlatform);

    in

    pkg:

    pkg ? meta.platforms && !(anyHostPlatform pkg.meta.platforms)

    || pkg ? meta.badPlatforms && anyHostPlatform pkg.meta.badPlatforms;

  isMarkedInsecure = attrs: (attrs.meta.knownVulnerabilities or [ ]) != [ ];