Commit 0b90e548 authored by Adam Joseph's avatar Adam Joseph Committed by Alyssa Ross
Browse files

lib/meta(availableOn): handle missing meta and empty meta.platform

parent 8e0e5f43

lib/meta.nix

+5 −2
Original line number Diff line number Diff line
@@ -92,12 +92,15 @@ rec { 


     A package is available on a platform if both



       1. One of `meta.platforms` pattern matches the given platform.

       1. One of `meta.platforms` pattern matches the given

          platform, or `meta.platforms` is not present.



       2. None of `meta.badPlatforms` pattern matches the given platform.

  */

  availableOn = platform: pkg:

    lib.any (platformMatch platform) pkg.meta.platforms &&

    if !(pkg?meta) then true else

    (!(pkg.meta ? platforms) ||

      lib.any (platformMatch platform) pkg.meta.platforms) &&

    lib.all (elem: !platformMatch platform elem) (pkg.meta.badPlatforms or []);



  /* Get the corresponding attribute in lib.licenses