deno per package cache derivations + hashes

shelf/default.nix

@@ -1,24 +1,25 @@
-{ pkgs, system }:
-let
-  denoShelf = import ./deno {
-    inherit pkgs system;
-    # collective hash of all (relevant) deno sources
-    # mapped to resulting shared deno cache hash
-    knownDenoHashes = {
-      "2JQI9Ie/fkl5Ltr22BGJynF9tFc=" =
-        "sha256-7csbrTbGd6J4a0Gkj9ndKhNxv90KeOHjr7DDNal3L4Q=";
-    };
-  };
-  
-  shelfSetup = pkgs.writeShellScript "setup-shelf" ''
-    export DENO_DIR=$PWD/.deno_cache
-    rm -rf $DENO_DIR
-    cp -r ${denoShelf.cache} $DENO_DIR
-    chmod -R u+w "$DENO_DIR"
+{ pkgs, system, lib }:
+let  
+  denoScrollsDir = ./deno;
 
-    # TODO: add other interpreters
-  '';
+  mkScroll = subDir: lib.readDenoScroll {
+    inherit pkgs system subDir;
+    scrollsDir = denoScrollsDir;
+  };
+
+  scrolls = builtins.map mkScroll [
+    "hjq"
+    "uses-hjq"
+  ];
+
+  shelfSetup =
+    lib.collectDenoCaches {
+      inherit pkgs;
+      denoCacheDrvs = builtins.map (s: s.env) scrolls;
+    };
 in
 {
   setupScript = shelfSetup;
+
+  scrolls = builtins.map (s: s.meta) scrolls;
 }