62 lines
1.7 KiB
Nix
62 lines
1.7 KiB
Nix
{ pkgs, lib, config, ... }:
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let
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cfg = config.services.ihaskell;
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ihaskell = pkgs.ihaskell.override {
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packages = cfg.extraPackages;
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};
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in
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{
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options = {
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services.ihaskell = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Autostart an IHaskell notebook service.";
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};
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extraPackages = lib.mkOption {
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type = lib.types.functionTo (lib.types.listOf lib.types.package);
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default = haskellPackages: [];
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defaultText = lib.literalExpression "haskellPackages: []";
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example = lib.literalExpression ''
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haskellPackages: [
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haskellPackages.wreq
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haskellPackages.lens
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]
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'';
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description = ''
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Extra packages available to ghc when running ihaskell. The
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value must be a function which receives the attrset defined
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in {var}`haskellPackages` as the sole argument.
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'';
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};
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};
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};
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config = lib.mkIf cfg.enable {
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users.users.ihaskell = {
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group = config.users.groups.ihaskell.name;
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description = "IHaskell user";
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home = "/var/lib/ihaskell";
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createHome = true;
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uid = config.ids.uids.ihaskell;
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};
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users.groups.ihaskell.gid = config.ids.gids.ihaskell;
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systemd.services.ihaskell = {
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description = "IHaskell notebook instance";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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User = config.users.users.ihaskell.name;
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Group = config.users.groups.ihaskell.name;
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ExecStart = "${pkgs.runtimeShell} -c \"cd $HOME;${ihaskell}/bin/ihaskell-notebook\"";
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};
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};
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};
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}
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