diff options
Diffstat (limited to 'nixos/lib/nixpkgs.nix')
-rw-r--r-- | nixos/lib/nixpkgs.nix | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/nixos/lib/nixpkgs.nix b/nixos/lib/nixpkgs.nix new file mode 100644 index 000000000000..10096f58c79a --- /dev/null +++ b/nixos/lib/nixpkgs.nix @@ -0,0 +1,8 @@ +/* Terrible backward compatibility hack to get the path to Nixpkgs + from here. Usually, that's the relative path ‘../..’. However, + when using the NixOS channel, <nixos> resolves to a symlink to + nixpkgs/nixos, so ‘../..’ doesn't resolve to the top-level Nixpkgs + directory but one above it. So check for that situation. */ +if builtins.pathExists ../../.version then import ../.. +else if builtins.pathExists ../../nixpkgs then import ../../nixpkgs +else abort "Can't find Nixpkgs, please set ‘NIX_PATH=nixpkgs=/path/to/nixpkgs’." |