kime: fix configuration

Switches the kime configuration format to use unstructured text. This
is necessary since version 3 and upwards use YAML tags.

modules/i18n/input-method/kime.nix

@@ -1,34 +1,33 @@
-{ config, pkgs, lib, generators, ... }:
-with lib;
+{ config, pkgs, lib, ... }:
+
 let
+  inherit (lib) literalExpression mkIf mkOption mkRemovedOptionModule types;
+
   cfg = config.i18n.inputMethod.kime;
-  yamlFormat = pkgs.formats.yaml { };
 in {
+  imports = [
+    (mkRemovedOptionModule [ "i18n" "inputMethod" "kime" "config" ] ''
+      Please use 'i18n.inputMethod.kime.extraConfig' instead.
+    '')
+  ];
+
   options = {
     i18n.inputMethod.kime = {
-      config = mkOption {
-        type = yamlFormat.type;
-        default = { };
+      extraConfig = mkOption {
+        type = types.lines;
+        default = "";
         example = literalExpression ''
-          {
-            daemon = {
-              modules = ["Xim" "Indicator"];
-            };
-
-            indicator = {
-              icon_color = "White";
-            };
-
-            engine = {
-              hangul = {
-                layout = "dubeolsik";
-              };
-            };
-          }
+          daemon:
+            modules: [Xim,Indicator]
+          indicator:
+            icon_color: White
+          engine:
+            hangul:
+              layout: dubeolsik
         '';
         description = ''
           kime configuration. Refer to
-          <https://github.com/Riey/kime/blob/develop/docs/CONFIGURATION.md>
+          <https://github.com/Riey/kime/blob/v${pkgs.kime.version}/docs/CONFIGURATION.md>
           for details on supported values.
         '';
       };
@@ -44,8 +43,7 @@ in {
       XMODIFIERS = "@im=kime";
     };
 
-    xdg.configFile."kime/config.yaml".text =
-      replaceStrings [ "\\\\" ] [ "\\" ] (builtins.toJSON cfg.config);
+    xdg.configFile."kime/config.yaml".text = cfg.extraConfig;
 
     systemd.user.services.kime-daemon = {
       Unit = {

tests/modules/i18n/input-method/kime-configuration.nix

@@ -1,14 +1,45 @@
 { config, pkgs, ... }:
 
-{
+let
+
+  kimeConfig = ''
+    daemon:
+      modules: [Xim,Indicator]
+    indicator:
+      icon_color: White
+    engine:
+      hangul:
+        layout: dubeolsik
+  '';
+
+in {
   i18n.inputMethod = {
     enabled = "kime";
-    kime.config = { engine = { hangul = { layout = "dubeolsik"; }; }; };
+    kime.extraConfig = kimeConfig;
   };
 
-  test.stubs.kime = { outPath = null; };
+  test.stubs = {
+    kime = { outPath = null; };
+    gtk2 = {
+      buildScript = ''
+        mkdir -p $out/bin
+        echo '#/usr/bin/env bash' > $out/bin/gtk-query-immodules-2.0
+        chmod +x $out/bin/*
+      '';
+    };
+    gtk3 = {
+      buildScript = ''
+        mkdir -p $out/bin
+        echo '#/usr/bin/env bash' > $out/bin/gtk-query-immodules-3.0
+        chmod +x $out/bin/*
+      '';
+    };
+  };
 
   nmt.script = ''
     assertFileExists home-files/.config/systemd/user/kime-daemon.service
+    assertFileExists home-files/.config/kime/config.yaml
+    assertFileContent home-files/.config/kime/config.yaml \
+      ${builtins.toFile "kime-expected.yaml" kimeConfig}
   '';
 }