libs.nix

   1 { nixpkgs }:
   2 with nixpkgs;
   3 rec {
   4   fetchedGithub = path:
   5     let
   6       json = lib.importJSON path;
   7     in rec {
   8       version = json.tag;
   9       name = "${json.meta.name}-${version}";
  10       src = fetchFromGitHub json.github;
  11     };
  12
  13   fetchedGit = path:
  14     let
  15       json = lib.importJSON path;
  16     in rec {
  17       version = json.tag;
  18       name = "${json.meta.name}-${version}";
  19       src = fetchgit json.git;
  20     };
  21
  22   fetchedGitPrivate = path:
  23     let
  24       json = lib.importJSON path;
  25     in rec {
  26       version = json.tag;
  27       name = "${json.meta.name}-${version}";
  28       src = fetchgitPrivate json.git;
  29     };
  30
  31   wrap = { paths ? [], vars ? {}, file ? null, script ? null, name ? "wrap" }:
  32     assert file != null || script != null ||
  33       abort "wrap needs 'file' or 'script' argument";
  34     with rec {
  35       set  = n: v: "--set ${pkgs.lib.escapeShellArg n} " +
  36                     "${pkgs.lib.escapeShellArg v}";
  37       args = (map (p: "--prefix PATH : ${p}/bin") paths) ++
  38             (builtins.attrValues (pkgs.lib.mapAttrs set vars));
  39     };
  40     runCommand name
  41       {
  42         f           = if file == null then writeScript name script else file;
  43         buildInputs = [ makeWrapper ];
  44       }
  45       ''
  46         makeWrapper "$f" "$out" ${toString args}
  47       '';
  48
  49   yarn2nixPackage = callPackage (fetchedGithub ./fetched/yarn2nix.json).src {};
  50 }