diff options
Diffstat (limited to 'nixpkgs/nixos/modules/services/misc/ihaskell.nix')
-rw-r--r-- | nixpkgs/nixos/modules/services/misc/ihaskell.nix | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/misc/ihaskell.nix b/nixpkgs/nixos/modules/services/misc/ihaskell.nix new file mode 100644 index 000000000000..11597706d0d1 --- /dev/null +++ b/nixpkgs/nixos/modules/services/misc/ihaskell.nix @@ -0,0 +1,62 @@ +{ 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 { + 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\""; + }; + }; + }; +} |