diff options
Diffstat (limited to 'nixpkgs/nixos/lib/from-env.nix')
| -rw-r--r-- | nixpkgs/nixos/lib/from-env.nix | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nixpkgs/nixos/lib/from-env.nix b/nixpkgs/nixos/lib/from-env.nix new file mode 100644 index 00000000000..6bd71e40e9a --- /dev/null +++ b/nixpkgs/nixos/lib/from-env.nix @@ -0,0 +1,4 @@ +# TODO: remove this file. There is lib.maybeEnv now +name: default: +let value = builtins.getEnv name; in +if value == "" then default else value |