refactor: remove eval-time impurities from chromium extensions

- Remove builtins.fetchurl-based version checking from lib.nix
- Move each extension into its own directory with default.nix + metadata.nix
- Add extensions/metadata.nix to compile all update metadata into a list
- Generate update checks via a standalone shell script in updates/

3 files changed, 20 insertions, 0 deletions

diff --git a/modules/web/chromium/extensions/theme/default.nix b/modules/web/chromium/extensions/theme/default.nix
new file mode 100644
index 0000000..674439c
--- /dev/null
+++ b/modules/web/chromium/extensions/theme/default.nix
@@ -0,0 +1,16 @@
+{
+  extLib,
+  ...
+}:
+let
+  meta = import ./metadata.nix;
+in
+{
+  inherit (meta) pname;
+  version = meta.version;
+  id = null;
+  drv = extLib.mkLocalExtension {
+    inherit (meta) pname;
+    srcDir = ./theme;
+  };
+}
diff --git a/modules/web/chromium/extensions/theme/metadata.nix b/modules/web/chromium/extensions/theme/metadata.nix
new file mode 100644
index 0000000..4e9769d
--- /dev/null
+++ b/modules/web/chromium/extensions/theme/metadata.nix
@@ -0,0 +1,4 @@
+{
+  pname = "theme";
+  version = "1.0.0";
+}
diff --git a/modules/web/chromium/extensions/theme/manifest.json b/modules/web/chromium/extensions/theme/theme/manifest.json
index 5be8622..5be8622 100644
--- a/modules/web/chromium/extensions/theme/manifest.json
+++ b/modules/web/chromium/extensions/theme/theme/manifest.json