yt-dlp: add settings option

modules/programs/yt-dlp.nix

@@ -6,6 +6,12 @@ let
 
   cfg = config.programs.yt-dlp;
 
+  renderSettings = mapAttrsToList (name: value:
+    if isBool value then
+      if value then "--${name}" else "--no-${name}"
+    else
+      "--${name} ${toString value}");
+
 in {
   meta.maintainers = [ maintainers.marsam ];
 
@@ -19,29 +25,48 @@ in {
       description = "Package providing the <command>yt-dlp</command> tool.";
     };
 
-    extraConfig = mkOption {
-      type = types.lines;
-      default = "";
+    settings = mkOption {
+      type = with types; attrsOf (oneOf [ bool int str ]);
+      default = { };
       example = literalExpression ''
-        --embed-thumbnail
-        --embed-subs
-        --sub-langs all
-        --downloader aria2c
-        --downloader-args aria2c:'-c -x8 -s8 -k1M'
+        embed-thumbnail = true;
+        embed-subs = true;
+        sub-langs = "all";
+        downloader = "aria2c";
+        downloader-args = "aria2c:'-c -x8 -s8 -k1M'";
       '';
       description = ''
         Configuration written to
-        <filename>$XDG_CONFIG_HOME/yt-dlp/config</filename>. See
-        <link xlink:href="https://github.com/yt-dlp/yt-dlp#configuration" />
+        <filename>$XDG_CONFIG_HOME/yt-dlp/config</filename>.
+        </para><para>
+        Options must be specified in their <quote>long form</quote>, for
+        example, <code>update = true;</code> instead of <code>U = true;</code>.
+        Short options can be specified in the <code>extraConfig</code> option.
+        See <link xlink:href="https://github.com/yt-dlp/yt-dlp#configuration"/>
         for explanation about possible values.
       '';
     };
+
+    extraConfig = mkOption {
+      type = types.lines;
+      default = "";
+      example = ''
+        --update
+        -F
+      '';
+      description = ''
+        Extra configuration to add to
+        <filename>$XDG_CONFIG_HOME/yt-dlp/config</filename>.
+      '';
+    };
   };
 
   config = mkIf cfg.enable {
     home.packages = [ cfg.package ];
 
-    xdg.configFile."yt-dlp/config" =
-      mkIf (cfg.extraConfig != "") { text = cfg.extraConfig; };
+    xdg.configFile."yt-dlp/config" = mkIf (cfg.settings != { }) {
+      text = concatStringsSep "\n"
+        (remove "" (renderSettings cfg.settings ++ [ cfg.extraConfig ])) + "\n";
+    };
   };
 }