etesync-dav: add module

.github/CODEOWNERS

@@ -184,6 +184,8 @@
 
 /modules/services/emacs.nix                           @tadfisher
 
+/modules/services/etesync-dav.nix                     @Valodim
+
 /modules/services/flameshot.nix                       @moredhel
 
 /modules/services/fluidsynth.nix                      @Valodim

modules/misc/news.nix

@@ -1954,6 +1954,13 @@ in
         '';
       }
 
+      {
+        time = "2021-05-06T20:47:37+00:00";
+        condition = hostPlatform.isLinux;
+        message = ''
+          A new module is available: 'services.etesync-dav'
+        '';
+      }
     ];
   };
 }

modules/modules.nix

@@ -151,6 +151,7 @@ let
     (loadModule ./services/dunst.nix { })
     (loadModule ./services/dwm-status.nix { condition = hostPlatform.isLinux; })
     (loadModule ./services/emacs.nix { condition = hostPlatform.isLinux; })
+    (loadModule ./services/etesync-dav.nix { condition = hostPlatform.isLinux; })
     (loadModule ./services/flameshot.nix { })
     (loadModule ./services/fluidsynth.nix { condition = hostPlatform.isLinux; })
     (loadModule ./services/redshift-gammastep/gammastep.nix { condition = hostPlatform.isLinux; })

modules/services/etesync-dav.nix

@@ -0,0 +1,62 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.etesync-dav;
+
+  toEnvironmentCfg = vars:
+    (concatStringsSep " "
+      (mapAttrsToList (k: v: "${k}=${escapeShellArg v}") vars));
+
+in {
+  meta.maintainers = [ maintainers.valodim ];
+
+  options.services.etesync-dav = {
+    enable = mkEnableOption "etesync-dav";
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.etesync-dav;
+      defaultText = "pkgs.etesync-dav";
+      description = "The etesync-dav derivation to use.";
+    };
+
+    serverUrl = mkOption {
+      type = types.str;
+      default = "https://api.etesync.com/";
+      description = "The URL to the etesync server.";
+    };
+
+    settings = mkOption {
+      type = types.attrsOf (types.oneOf [ types.str types.int ]);
+      default = { };
+      example = literalExample ''
+        {
+          ETESYNC_LISTEN_ADDRESS = "localhost";
+          ETESYNC_LISTEN_PORT = 37385;
+        }
+      '';
+      description = ''
+        Settings for etesync-dav, passed as environment variables.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+
+    systemd.user.services.etesync-dav = {
+      Unit = { Description = "etesync-dav"; };
+
+      Service = {
+        ExecStart = "${cfg.package}/bin/etesync-dav";
+        Environment =
+          toEnvironmentCfg ({ ETESYNC_URL = cfg.serverUrl; } // cfg.settings);
+      };
+
+      Install = { WantedBy = [ "default.target" ]; };
+    };
+  };
+}