Use config-file for dynamic-colors

home-manager/modules/dynamic-colors.nix

@@ -1,50 +1,53 @@
-{ nixosConfig, lib, pkgs, ... }:
+{ nixosConfig, lib, config, pkgs, ... }:
 
 let
+  applicationConfig = [
+    {
+      dir = "~/.config/alacritty";
+      light = "alacritty-light.yml";
+      dark = "alacritty-dark.yml";
+      target = "alacritty.yml";
+    }
+    {
+      dir = "~/.config/wofi";
+      light = "color-light";
+      dark = "color-dark";
+      target = "color";
+    }
+  ];
   dynamic-colors = pkgs.writers.writePython3Bin "dynamic-colors" { } ''
     import os
     import pathlib
     import sys
-
-
-    config = [
-        (
-            '~/.config/alacritty',
-            'alacritty-light.yml',
-            'alacritty-dark.yml',
-            'alacritty.yml',
-        ),
-        (
-            '~/.config/wofi',
-            'color-light',
-            'color-dark',
-            'color',
-        )
-    ]
+    import json
 
 
     def main():
+        CONFIG_FILE = "~/.config/dynamic-colors/config.json"
+        with open(pathlib.Path(CONFIG_FILE).expanduser(), "r") as fh:
+            config = json.load(fh)
+
         command, = sys.argv[1:]
-        for directory, light_file, dark_file, config_file in config:
-            directory = pathlib.Path(directory).expanduser()
-            dst = directory.joinpath(config_file)
+        for entry in config:
+            directory = pathlib.Path(entry['dir']).expanduser()
+            target = directory.joinpath(entry['target'])
 
             if command in ('light', 'dark'):
-                if dst.exists() and dst.is_symlink:
-                    os.remove(dst)
+                if target.exists() and target.is_symlink:
+                    os.remove(target)
 
                 src = {
-                    'light': light_file,
-                    'dark': dark_file,
+                    'light': entry['light'],
+                    'dark': entry['dark'],
                 }[command]
 
-                os.symlink(src, dst)
+                os.symlink(src, target)
 
             else:
-                if dst.exists():
+                if target.exists():
                     continue
 
-                os.symlink(light_file, dst)
+                os.symlink(entry['light'], target)
 
 
     if __name__ == '__main__':
@@ -52,10 +55,11 @@ let
   '';
 in
 {
+  xdg.configFile."dynamic-colors/config.json" = {
+    text = lib.generators.toJSON { } applicationConfig;
+    onChange = "${dynamic-colors}/bin/dynamic-colors install";
+  };
   home.packages = [
     dynamic-colors
   ];
-  home.activation.dynamic-colors = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
-    $DRY_RUN_CMD ${dynamic-colors}/bin/dynamic-colors install
-  '';
 }