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