X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=libs.nix;h=630b139c2c60238ab81e6d6042e00c5be92f7101;hb=3a1461cf44102e6cd8cdee5e0f1ff1d7992894ad;hp=ad517f283242a4d6faf1c666339ebcb125b8d994;hpb=5566d26d9cb4f992e974ad8a8720c5970d566105;p=perso%2FImmae%2FConfig%2FNix.git

diff --git a/libs.nix b/libs.nix
index ad517f2..630b139 100644
--- a/libs.nix
+++ b/libs.nix
@@ -1,14 +1,17 @@
-let nixpkgs_unstable = import (builtins.fetchTarball {
-  # FIXME: upgrade to nixpkgs 19 when stable and stick to stable
-  # versions
-  name = "nixos-unstable-2018-12-08";
-  url = https://github.com/nixos/nixpkgs/archive/61c3169a0e17d789c566d5b241bfe309ce4a6275.tar.gz;
-  sha256 = "0qbycg7wkb71v20rchlkafrjfpbk2fnlvvbh3ai9pyfisci5wxvq";
-}) {};
-in
-  with nixpkgs_unstable;
-{
-  inherit nixpkgs_unstable;
+{ pkgs }:
+with pkgs;
+rec {
+  yarn2nixPackage = let
+    src = fetchFromGitHub {
+      owner = "moretea";
+      repo = "yarn2nix";
+      rev = "780e33a07fd821e09ab5b05223ddb4ca15ac663f";
+      sha256 = "1f83cr9qgk95g3571ps644rvgfzv2i4i7532q8pg405s4q5ada3h";
+      fetchSubmodules = true;
+    };
+  in
+    (callPackage src {}) // { inherit src; };
+
   fetchedGithub = path:
     let
       json = lib.importJSON path;
@@ -36,8 +39,6 @@ in
       src = fetchgitPrivate json.git;
     };
 
-  checkEnv = var: builtins.stringLength (builtins.getEnv var) > 0;
-
   wrap = { paths ? [], vars ? {}, file ? null, script ? null, name ? "wrap" }:
     assert file != null || script != null ||
       abort "wrap needs 'file' or 'script' argument";
@@ -55,4 +56,23 @@ in
       ''
         makeWrapper "$f" "$out" ${toString args}
       '';
+
+  # This adds header colors to the builds, but it rebuilds the whole
+  # world from scratch, so only use it to debug!
+  # add it as postHook in derivations
+  immaePostHook = ''
+    header() {
+      echo -ne "\033[1;36m"
+      echo -n "$1"
+      echo -e "\033[0m"
+    }
+
+    echoCmd() {
+      printf "\033[1;34m%s:\033[0m" "$1"
+      shift
+      printf ' %q' "$@"
+      echo
+    }
+  '';
+
 }