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| author | Katharina Fey <kookie@spacekookie.de> | 2019-10-05 12:43:18 +0000 |
|---|---|---|
| committer | Katharina Fey <kookie@spacekookie.de> | 2019-10-05 12:44:52 +0000 |
| commit | cf85056ba64caf3267d43255ef4a1243e9c8ee3b (patch) | |
| tree | 3051519e9c8275b870aac43f80af875715c9d124 /nixpkgs/nixos/lib/from-env.nix | |
| parent | 1148b1d122bc03e9a3665856c9b7bb96bd4e3994 (diff) | |
| parent | 2436c27541b2f52deea3a4c1691216a02152e729 (diff) | |
Add 'nixpkgs/' from commit '2436c27541b2f52deea3a4c1691216a02152e729'
git-subtree-dir: nixpkgs
git-subtree-mainline: 1148b1d122bc03e9a3665856c9b7bb96bd4e3994
git-subtree-split: 2436c27541b2f52deea3a4c1691216a02152e729
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 |