e11sync: move manifest out of e11sync-static

that way `e11sync-backend` has one less dependency.

flake.nix

@@ -55,12 +55,16 @@
 
       e11sync-static = pkgs.callPackage ./pkgs/e11sync-static.nix {};
 
+      e11sync-static-manifest = pkgs.callPackage ./pkgs/e11sync-static-manifest.nix {
+        inherit e11sync-static;
+      };
+
       e11sync-frontend = pkgs.callPackage ./pkgs/e11sync-frontend.nix {
         inherit e11sync-static;
       };
 
       e11sync-backend = pkgs.callPackage ./pkgs/e11sync-backend.nix {
-        inherit geoip-mmdb e11sync-static;
+        inherit geoip-mmdb e11sync-static-manifest;
       };
 
       e11sync-module = import ./modules/e11sync {

pkgs/e11sync-backend.nix

@@ -10,7 +10,7 @@
   backendPort ? 8002,
   databasePath ? null,
   geoip-mmdb,
-  e11sync-static,
+  e11sync-static-manifest,
 }: let
   uwsgi-python = uwsgi.override {plugins = ["python3"];};
   pythonEnv =
@@ -50,7 +50,7 @@ in
         ${lib.optionalString (databasePath != null) ''
         --set E11SYNC_DATABASE_PATH "${databasePath}" \
       ''} \
-        --set E11SYNC_STATIC_ROOT "${e11sync-static}" \
+        --set E11SYNC_STATIC_ROOT "${e11sync-static-manifest}" \
         --set E11SYNC_COMPRESS_OFFLINE 1 \
         --set E11SYNC_DEBUG "" \
         --set GEOIP_PATH "${geoip-mmdb}" \

pkgs/e11sync-static-manifest.nix

@@ -0,0 +1,10 @@
+{
+  runCommand,
+  e11sync-static,
+}:
+runCommand "e11sync-static-manifest" {
+  src = e11sync-static;
+} ''
+  mkdir -p $out/CACHE
+  cp ${e11sync-static}/CACHE/manifest.json $out/CACHE/
+''