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| author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2009-06-05 13:19:39 +0000 |
|---|---|---|
| committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2009-06-05 13:19:39 +0000 |
| commit | 02d26fc77da68c2cfa551fe87f89988fad968d33 (patch) | |
| tree | 26ece1c5f21e958b5502ee4c82b58dbf02c08d0d /lib/from-env.nix | |
| parent | dc8cbffe31072927a367a7fbc757c740f6a67663 (diff) | |
| download | nixlib-02d26fc77da68c2cfa551fe87f89988fad968d33.tar nixlib-02d26fc77da68c2cfa551fe87f89988fad968d33.tar.gz nixlib-02d26fc77da68c2cfa551fe87f89988fad968d33.tar.bz2 nixlib-02d26fc77da68c2cfa551fe87f89988fad968d33.tar.lz nixlib-02d26fc77da68c2cfa551fe87f89988fad968d33.tar.xz nixlib-02d26fc77da68c2cfa551fe87f89988fad968d33.tar.zst nixlib-02d26fc77da68c2cfa551fe87f89988fad968d33.zip | |
* Make eval-config.nix a bit more general to make it easier to build
other kinds of configurations (like the installation CD). svn path=/nixos/branches/modular-nixos/; revision=15864
Diffstat (limited to 'lib/from-env.nix')
| -rw-r--r-- | lib/from-env.nix | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/from-env.nix b/lib/from-env.nix new file mode 100644 index 000000000000..a7a339b5f2ec --- /dev/null +++ b/lib/from-env.nix @@ -0,0 +1,3 @@ +name: default: +let value = builtins.getEnv name; in +if value == "" then default else value |