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Simplify $NIX_PATH evaluation.

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This commit is contained in:
Kevin Baensch 2020-03-28 20:03:48 +01:00
parent 7c1f7aa9a1
commit 081d10bc21
Signed by: derped
GPG key ID: C0F1D326C7626543
2 changed files with 9 additions and 2 deletions
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8
configuration.nix
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@ -1,10 +1,16 @@
{ lib, ... }:
with builtins;
with lib;
let
fn = import ./fn.nix { inherit lib; };
# hostName can be set with -I hostName=$HOSTNAME, defaults to the contents of /secret/hostName
hostName = (findFirst (elem: elem.prefix == "hostName") { path = (fileContents /secret/hostName); } builtins.nixPath).path;
hostName = let
hostVal = (tryEval <hostName>).value;
in fn.ifelse (hostVal != false)
hostVal
(fileContents /secret/hostName);
machinePath = (builtins.toPath ( ./machines + ("/" + hostName)));
machineConf = machinePath + "/configuration.nix";
machineOpts = machinePath + "/options.nix";