ghostty: reload service on configuration change

Useful when trying to double check the contents of a test directory even
when the tests are passing. ie: stub a test and see the stuff you want
to assert/validate.

Signed-off-by: Austin Horstman <khaneliman12@gmail.com>

modules/programs/ghostty.nix

@@ -231,6 +231,15 @@ in
         xdg.configFile."systemd/user/app-com.mitchellh.ghostty.service.d/overrides.conf".text = ''
           [Unit]
           X-SwitchMethod=keep-old
+          X-Reload-Triggers=${
+            let
+              storePathOf = name: config.xdg.configFile.${name}.source;
+            in
+            toString (
+              lib.optionals (cfg.settings != { }) [ (storePathOf "ghostty/config") ]
+              ++ lib.mapAttrsToList (name: _: storePathOf "ghostty/themes/${name}") cfg.themes
+            )
+          }
         '';
 
         dbus.packages = [ cfg.package ];

modules/services/hyprpaper.nix

@@ -64,7 +64,10 @@ in
 
     importantPrefixes = lib.mkOption {
       type = with lib.types; listOf str;
-      default = [ "$" ];
+      default = [
+        "$"
+        "monitor"
+      ];
       example = [ "$" ];
       description = ''
         List of prefix of attributes to source at the top of the config.

tests/modules/programs/ghostty/systemd-service.nix

@@ -8,6 +8,33 @@
       theme = "catppuccin-mocha";
       font-size = 10;
     };
+    themes = {
+      catppuccin-mocha = {
+        palette = [
+          "0=#45475a"
+          "1=#f38ba8"
+          "2=#a6e3a1"
+          "3=#f9e2af"
+          "4=#89b4fa"
+          "5=#f5c2e7"
+          "6=#94e2d5"
+          "7=#bac2de"
+          "8=#585b70"
+          "9=#f38ba8"
+          "10=#a6e3a1"
+          "11=#f9e2af"
+          "12=#89b4fa"
+          "13=#f5c2e7"
+          "14=#94e2d5"
+          "15=#a6adc8"
+        ];
+        background = "1e1e2e";
+        foreground = "cdd6f4";
+        cursor-color = "f5e0dc";
+        selection-background = "353749";
+        selection-foreground = "cdd6f4";
+      };
+    };
   };
 
   nmt.script = ''
@@ -15,10 +42,11 @@
     serviceOverridesPath=$servicePath.d/overrides.conf
 
     assertFileExists $serviceOverridesPath
-    assertFileContent $serviceOverridesPath \
+    assertFileContent $(normalizeStorePaths $serviceOverridesPath) \
       ${builtins.toFile "ghostty-service-overrides" ''
         [Unit]
         X-SwitchMethod=keep-old
+        X-Reload-Triggers=/nix/store/00000000000000000000000000000000-ghostty-config /nix/store/00000000000000000000000000000000-ghostty-catppuccin-mocha-theme
       ''}
 
     assertFileContent \

tests/modules/services/hyprpaper/basic-configuration.nix

@@ -12,8 +12,21 @@
       ];
 
       wallpaper = [
-        "DP-3,/share/wallpapers/buttons.png"
+        {
-        "DP-1,/share/wallpapers/cat_pacman.png"
+          monitor = "DP-3";
+          path = "/share/wallpapers/buttons.png";
+          fit_mode = "cover";
+        }
+        {
+          monitor = "DP-2";
+          path = "/share/wallpapers/cat_pacman.png";
+          fit_mode = "cover";
+        }
+        {
+          monitor = "";
+          path = "~/fallback.jxl";
+          fit_mode = "cover";
+        }
       ];
     };
   };

tests/modules/services/hyprpaper/hyprpaper.conf

@@ -1,8 +1,23 @@
 preload=/share/wallpapers/buttons.png
 preload=/share/wallpapers/cat_pacman.png
 
-wallpaper=DP-3,/share/wallpapers/buttons.png
+wallpaper {
-wallpaper=DP-1,/share/wallpapers/cat_pacman.png
+  monitor=DP-3
+  fit_mode=cover
+  path=/share/wallpapers/buttons.png
+}
+
+wallpaper {
+  monitor=DP-2
+  fit_mode=cover
+  path=/share/wallpapers/cat_pacman.png
+}
+
+wallpaper {
+  monitor=
+  fit_mode=cover
+  path=~/fallback.jxl
+}
 ipc=on
 splash=false
 splash_offset=2.000000

tests/tests.py

@@ -92,6 +92,23 @@ class TestRunner:
             # Can happen if fzf is not found or the user cancels (non-zero exit)
             return []
 
+    def _get_store_path(self, test: str, nix_args: list[str]) -> str | None:
+        """Retrieve the store path of a test."""
+        try:
+            store_cmd = [
+                "nix", "build", "--no-link", "--json", "--reference-lock-file", "flake.lock",
+                f"./tests#{test}", *nix_args
+            ]
+            result = _run_command(store_cmd, cwd=self.repo_root, check=False)
+            if result.returncode == 0:
+                import json
+                build_info = json.loads(result.stdout)
+                if build_info:
+                    return build_info[0]["outputs"]["out"]
+        except Exception:
+            pass
+        return None
+
     def run_tests(self, tests_to_run: list[str], nix_args: list[str]) -> bool:
         """Run the selected tests and report the outcome."""
         if not tests_to_run:
@@ -112,6 +129,11 @@ class TestRunner:
                 # For this command, we want output to go directly to the terminal
                 result = subprocess.run(cmd, check=True, cwd=self.repo_root, capture_output=True, text=True)
                 print(f"{SUCCESS_EMOJI} Test passed: {test}")
+
+                store_path = self._get_store_path(test, nix_args)
+                if store_path:
+                    print(f"{INFO_EMOJI} Test directory available at: {store_path}/tested/", file=sys.stderr)
+
             except subprocess.CalledProcessError as e:
                 failed_tests.append(test)
                 print(f"{FAILURE_EMOJI} Test failed: {test}", file=sys.stderr)
@@ -138,20 +160,9 @@ class TestRunner:
                         except Exception:
                             print(f"{INFO_EMOJI} Build directory available at: {build_dir}", file=sys.stderr)
 
-                try:
+                store_path = self._get_store_path(test, nix_args)
-                    store_cmd = [
+                if store_path:
-                        "nix", "build", "--no-link", "--json", "--reference-lock-file", "flake.lock",
+                    print(f"{INFO_EMOJI} Test directory available at: {store_path}/tested/", file=sys.stderr)
-                        f"./tests#{test}", *nix_args
-                    ]
-                    result = _run_command(store_cmd, cwd=self.repo_root, check=False)
-                    if result.returncode == 0:
-                        import json
-                        build_info = json.loads(result.stdout)
-                        if build_info:
-                            store_path = build_info[0]["outputs"]["out"]
-                            print(f"{INFO_EMOJI} Test directory available at: {store_path}/tested/", file=sys.stderr)
-                except Exception:
-                    pass
 
         print("\n--- Summary ---")
         if not failed_tests: