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nixos-config/overlays/testing.nix
2021-01-10 21:03:55 +01:00

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Nix

self: super:
let
bins = [ self.nix ];
repoSrc = "git@hera.m-0.eu:nixos-config";
configPath = "/etc/nixos";
systems = [ "apollo" "hera" ];
homes = self.lib.attrNames (import ../home-manager/machines.nix);
imports = [ "Control.Exception (onException)" ];
haskellBody = name: drv: target: ''
main = do
(configDir:hostname:_) <- getArgs
(Text.dropAround ('"' ==) . decodeUtf8 . trim -> homeManagerChannel) <- nix_instantiate "--eval" "-E" ([i|(import #{configDir}/channels.nix).#{hostname}.home-manager-channel|] :: String) |> captureTrim
(Text.dropAround ('"' ==) . decodeUtf8 . trim -> nixpkgsChannel) <- nix_instantiate "--eval" "-E" ([i|(import #{configDir}/channels.nix).#{hostname}.nixpkgs-channel|] :: String) |> captureTrim
paths <- aNixPath homeManagerChannel nixpkgsChannel (toText configDir)
say [i|Trying to build ${name} config for #{hostname}.|]
(Text.dropAround ('"' ==) . decodeUtf8 . trim -> derivationName) <- (nix_instantiate $ ${drv}) |> captureTrim
exe "nix-jobs" ["realise", toString derivationName]
nix_store ["-r", toString derivationName, "--indirect", "--add-root", ${target}]
say [i|Build of ${name} config for #{hostname} was successful.|]
'';
in {
test-system-config = self.writeHaskellScript {
name = "test-system-config";
inherit bins;
inherit imports;
} (haskellBody "system" ''buildSystemParams ++ paths ++ ["-I", [i|nixos-config=#{configDir}/nixos/machines/#{hostname}/configuration.nix|]]'' "[i|result-system-#{hostname}|]");
test-home-config = self.writeHaskellScript {
name = "test-home-config";
inherit bins;
inherit imports;
} (haskellBody "home" ''paths ++ [[i|#{configDir}/home-manager/target.nix|], "-A", hostname]'' "[i|result-home-manager-#{hostname}|]");
}