newsboat: support feed titles

Fixes #861

modules/programs/newsboat.nix

@@ -14,10 +14,32 @@ in
       enable = mkEnableOption "the Newsboat feed reader";
 
       urls = mkOption {
-        type = types.listOf types.attrs;
+        type = types.listOf (types.submodule {
+          options = {
+            url = mkOption {
+              type = types.str;
+              example = "http://example.com";
+              description = "Feed URL.";
+            };
+
+            tags = mkOption {
+              type = types.listOf types.str;
+              default = [];
+              example = ["foo" "bar"];
+              description = "Feed tags.";
+            };
+
+            title = mkOption {
+              type = types.nullOr types.str;
+              default = null;
+              example = "ORF News";
+              description = "Feed title.";
+            };
+          };
+        });
         default = [];
         example = [{url = "http://example.com"; tags = ["foo" "bar"];}];
-        description = "List of urls and tokens.";
+        description = "List of news feeds.";
       };
 
       maxItems = mkOption {
@@ -71,19 +93,18 @@ in
     home.packages = [ pkgs.newsboat ];
     home.file.".newsboat/urls".text =
       let
-        urls = builtins.concatStringsSep "\n" (
-          map (u: builtins.concatStringsSep " " ([u.url] ++ (map wrapQuote u.tags)))
-            cfg.urls);
-        queries = builtins.concatStringsSep "\n" (
-          mapAttrsToList (n: v: "\"query:${n}:${escape ["\""] v}\"") cfg.queries);
+        mkUrlEntry = u: concatStringsSep " " (
+          [u.url]
+          ++ map wrapQuote u.tags
+          ++ optional (u.title != null) (wrapQuote "~${u.title}")
+        );
+        urls = map mkUrlEntry cfg.urls;
 
+        mkQueryEntry = n: v: "\"query:${n}:${escape ["\""] v}\"";
+        queries = mapAttrsToList mkQueryEntry cfg.queries;
       in
+        concatStringsSep "\n" (urls ++ queries) + "\n";
 
-      ''
-        ${urls}
-
-        ${queries}
-      '';
     home.file.".newsboat/config".text = ''
       max-items ${toString cfg.maxItems}
       browser ${cfg.browser}

tests/default.nix

@@ -46,6 +46,7 @@ import nmt {
   // import ./modules/programs/alacritty
   // import ./modules/programs/bash
   // import ./modules/programs/gpg
+  // import ./modules/programs/newsboat
   // import ./modules/programs/ssh
   // import ./modules/programs/tmux
   // import ./modules/programs/zsh;

tests/modules/programs/newsboat/default.nix

@@ -0,0 +1,3 @@
+{
+  newsboat-basics = ./newsboat-basics.nix;
+}

tests/modules/programs/newsboat/newsboat-basics-urls.txt

@@ -0,0 +1,3 @@
+http://example.org/feed.xml "tag1" "tag2" "~Cool feed"
+http://example.org/feed2.xml
+"query:foo:rssurl =~ \"example.com\""

tests/modules/programs/newsboat/newsboat-basics.nix

@@ -0,0 +1,39 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+  config = {
+    programs.newsboat = {
+      enable = true;
+
+      urls = [
+        {
+          url = "http://example.org/feed.xml";
+          tags = [ "tag1" "tag2" ];
+          title = "Cool feed";
+        }
+
+        {
+          url = "http://example.org/feed2.xml";
+        }
+      ];
+
+      queries = {
+        "foo" = "rssurl =~ \"example.com\"";
+      };
+    };
+
+    nixpkgs.overlays = [
+      (self: super: {
+        newsboat = pkgs.writeScriptBin "dummy-newsboat" "";
+      })
+    ];
+
+    nmt.script = ''
+      assertFileContent \
+        home-files/.newsboat/urls \
+        ${./newsboat-basics-urls.txt}
+    '';
+  };
+}