git.scottworley.com Git - nixos-qemu-vm-isolation/blob - lib/tier1.nix

   1 # Since 168b926435628cb06c4a8cb0f3e6f69f141529f1, we do shenanigans to get the tier1 list.  :(
   2
   3 nixpkgs:
   4
   5 let
   6   inherit (nixpkgs) lib;
   7   inherit (lib) elemAt foldl' isList splitString;
   8   inherit (builtins) readFile;
   9
  10   lines = splitString "\n";
  11
  12   between = start: stop: list:
  13     let
  14       step = state: x:
  15         if isNull state && x == start then
  16           [ ]
  17         else if isList state then
  18           if x == stop then { result = state; } else state ++ [ x ]
  19         else
  20           state;
  21     in (foldl' step null list).result;
  22
  23   strip-quotes = x: elemAt (builtins.match "  \"(.*)\"" x) 0;
  24
  25   systems-file = "${nixpkgs}/lib/systems/flake-systems.nix";
  26
  27 in map strip-quotes
  28 (between "  # Tier 1" "  # Tier 2" (lines (readFile systems-file)))