convert flake-update to a submodule type

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

flake.nix

@@ -186,6 +186,16 @@
 
       formatter = forEachSystem (system: nixpkgs.legacyPackages.${system}.nixfmt-rfc-style);
 
+      # adds our lib functions to lib namespace
+      lib = nixpkgs.lib.extend (
+        self: super: {
+          my = import ./lib {
+            inherit nixpkgs inputs;
+            lib = self;
+          };
+        }
+      );
+
       nixosConfigurations =
         let
           constructSystem =

modules/flake-update-service.nix

@@ -7,20 +7,18 @@
 
 let
   cfg = config.services.autopull;
-in
+
-{
+  autopull-type = lib.types.submodule {
-  options = {
+    enable = lib.mkEnableOption "autopull for ${cfg.account-name}";
-    services.autopull = {
+
-      enable = lib.mkEnableOption "autopull";
     name = lib.mkOption {
       type = lib.types.str;
-        default = "dotfiles";
+      default = config.module._args.name;
       description = "A name for the service which needs to be pulled";
     };
 
     path = lib.mkOption {
-        type = lib.types.nullOr lib.types.path;
+      type = lib.types.path;
-        default = null;
       description = "Path that needs to be updated via git pull";
     };
 
@@ -36,25 +34,47 @@ in
       description = "ssh-key used to pull the repository";
     };
 
-      triggersRebuild = lib.mkOption {
+    triggers-rebuild = lib.mkOption {
       type = lib.types.bool;
       default = false;
       description = "Whether or not the rebuild service should be triggered after pulling. Note that system.autoUpgrade must be pointed at the same directory as this service if you'd like to use this option.";
     };
   };
+in
+{
+  options = {
+    services.autopull = {
+      enable = lib.mkEnableOption "autopull";
+
+      repo = lib.mkOption { type = lib.types.attrsOf autopull-type; };
+    };
   };
 
-  config = lib.mkIf (cfg.enable && !(builtins.isNull cfg.path)) {
+  config =
+    let
+      repos = lib.filterAttrs (_: { enable, ... }: enable == true) cfg.repo;
+    in
+    lib.mkIf cfg.enable {
       environment.systemPackages = [
         pkgs.openssh
         pkgs.git
       ];
-    systemd.services."autopull@${cfg.name}" = {
+      systemd.services = lib.mapAttrs' (
-      wantedBy = [ "multi-user.target" ];
+        repo:
-      after = [ "network.target" ];
+        {
-      description = "Pull the latest data for ${cfg.name}";
+          name,
-      environment = lib.mkIf (cfg.ssh-key != "") {
+          ssh-key,
-        GIT_SSH_COMMAND = "${pkgs.openssh}/bin/ssh -i ${cfg.ssh-key} -o IdentitiesOnly=yes";
+          triggers-rebuild,
+          ...
+        }:
+        lib.nameValuePair "autopull@${name}" {
+          requires = [ "multi-user.target" ];
+          wants = lib.optionals (triggers-rebuild) [ "nixos-service.service" ];
+          after = [ "multi-user.target" ];
+          before = lib.optionals (triggers-rebuild) [ "nixos-upgrade.service" ];
+          description = "Pull the latest data for ${name}";
+          environment = lib.mkIf (ssh-key != "") {
+            GIT_SSH_COMMAND = "${pkgs.openssh}/bin/ssh -i ${ssh-key} -o IdentitiesOnly=yes";
           };
           serviceConfig = {
             Type = "oneshot";
@@ -62,15 +82,20 @@ in
             WorkingDirectory = cfg.path;
             ExecStart = "${pkgs.git}/bin/git pull --all";
           };
-    };
+        }
+      ) repos;
 
-    systemd.timers."autopull@${cfg.name}" = {
+      systemd.timers."autopull@${cfg.name}" = lib.mapAttrs' (
+        repo:
+        { name, frequency, ... }:
+        lib.nameValuePair "autopull@${name}" {
           wantedBy = [ "timers.target" ];
           timerConfig = {
             OnBootSec = cfg.frequency;
             OnUnitActiveSec = cfg.frequency;
             Unit = "autopull@${cfg.name}.service";
           };
-    };
+        }
+      ) repos;
     };
 }

modules/update.nix

@@ -1,10 +1,13 @@
 { lib, ... }:
 {
   services.autopull = {
+    enable = lib.mkDefault true;
+    repo.dotfiles = {
       enable = lib.mkDefault true;
       ssh-key = lib.mkDefault "/root/.ssh/id_ed25519_ghdeploy";
       path = lib.mkDefault /root/dotfiles;
     };
+  };
 
   system.autoUpgrade = {
     enable = lib.mkDefault true;

utils/default.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  # create rad-dev namespace for lib
+  rad-dev = {
+    # any(), but checks if any value in the list is true
+    # type:
+    # anyBool:: [bool] -> bool
+    anyBool = lib.any (n: n);
+
+    # pulls a value out of an attrset and converts it to a list
+    # type:
+    # mapGetAttr :: String -> Attrset -> [Any]
+    mapGetAttr = (attr: set: lib.mapAttrsToList (_: attrset: lib.getAttr attr attrset) set);
+  };
+}