diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..e07465c
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,88 @@
+{
+  "nodes": {
+    "basepkgs": {
+      "inputs": {
+        "basepkgs": "basepkgs_2",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-darwin": "nixpkgs-darwin"
+      },
+      "locked": {
+        "lastModified": 1764227617,
+        "narHash": "sha256-6ufcKQRBK41hzBQPQKHTUqdB5TXYyx4QD3TwaXymHwg=",
+        "ref": "refs/heads/master",
+        "rev": "5c3c31fa35f9f75a52e2fd68f7d1d47f7622ce33",
+        "revCount": 108,
+        "type": "git",
+        "url": "ssh://git@github.com/composewell/streamly-packages"
+      },
+      "original": {
+        "rev": "5c3c31fa35f9f75a52e2fd68f7d1d47f7622ce33",
+        "type": "git",
+        "url": "ssh://git@github.com/composewell/streamly-packages"
+      }
+    },
+    "basepkgs_2": {
+      "locked": {
+        "lastModified": 1764227406,
+        "narHash": "sha256-aLI1AFkYWoJAWftnnQwLRiUaZnVIzNY3kkjW5ITigew=",
+        "owner": "composewell",
+        "repo": "nixpack",
+        "rev": "b00feebadac4b09a4670c7d68a567dc957f6cb82",
+        "type": "github"
+      },
+      "original": {
+        "owner": "composewell",
+        "repo": "nixpack",
+        "rev": "b00feebadac4b09a4670c7d68a567dc957f6cb82",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1761440988,
+        "narHash": "sha256-2qsow3cQIgZB2g8Cy8cW+L9eXDHP6a1PsvOschk5y+E=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "de69d2ba6c70e747320df9c096523b623d3a4c35",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "de69d2ba6c70e747320df9c096523b623d3a4c35",
+        "type": "github"
+      }
+    },
+    "nixpkgs-darwin": {
+      "locked": {
+        "lastModified": 1761430225,
+        "narHash": "sha256-rwI/YwAAByROAXkGbQNsxgUl/UM5eG5N6XIUzBKOIOw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "08478b816182dc3cc208210b996294411690111d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "08478b816182dc3cc208210b996294411690111d",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "basepkgs": "basepkgs",
+        "nixpkgs": [
+          "basepkgs",
+          "nixpkgs"
+        ],
+        "nixpkgs-darwin": [
+          "basepkgs",
+          "nixpkgs-darwin"
+        ]
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..c0f7860
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,17 @@
+{
+  description = "fusion-plugin";
+
+  inputs = {
+    basepkgs.url = "git+ssh://git@github.com/composewell/streamly-packages?rev=5c3c31fa35f9f75a52e2fd68f7d1d47f7622ce33";
+    nixpkgs.follows = "basepkgs/nixpkgs";
+    nixpkgs-darwin.follows = "basepkgs/nixpkgs-darwin";
+  };
+
+  outputs = { self, nixpkgs, nixpkgs-darwin, basepkgs }:
+    basepkgs.nixpack.mkOutputs {
+      inherit nixpkgs nixpkgs-darwin basepkgs;
+      name = "fusion-plugin";
+      sources = basepkgs.nixpack.lib.localSource "fusion-plugin" ./.;
+      packages = basepkgs.nixpack.lib.devPackage "fusion-plugin";
+    };
+}
diff --git a/src/Fusion/Plugin.hs b/src/Fusion/Plugin.hs
index 22ea6ab..9b79fbf 100644
--- a/src/Fusion/Plugin.hs
+++ b/src/Fusion/Plugin.hs
@@ -424,10 +424,10 @@ letBndrsThatAreCases dflags anns bind = goLet [] bind
     -- annotated with "Fuse" and traverse the Alt expressions to discover more
     -- let bindings.
     go parents True (Case _ _ _ alts) =
-        let binders = alts >>= (\(ALT_CONSTR(_,_,expr1)) -> go parents False expr1)
+        let result = alts >>= (\(ALT_CONSTR(_,_,expr1)) -> go parents False expr1)
         in case needInlineCaseAlt dflags parents anns alts of
-            Just x -> (parents, x) : binders
-            Nothing -> binders
+            Just x -> (parents, x) : result
+            Nothing -> result
 
     -- Only traverse the Alt expressions of the case to discover new let
     -- bindings. Do not match for annotated constructors in the Alts.
@@ -755,13 +755,18 @@ fusionSimplify _hsc_env dflags =
 
 fusionReport :: String -> ReportMode -> ModGuts -> CoreM ModGuts
 fusionReport mesg reportMode guts = do
-    putMsgS $ "fusion-plugin: " ++ mesg ++ "..."
-    dflags <- getDynFlags
-    anns <- FMAP_SND getAnnotations deserializeWithData guts
-    when (anyUFM (any (== Fuse)) anns) $
-        mapM_ (transformBind dflags anns) $ mg_binds guts
-    return guts
-  where
+    case reportMode of
+        ReportSilent -> return guts
+        _ -> do
+            putMsgS $ "fusion-plugin: " ++ mesg ++ "..."
+            dflags <- getDynFlags
+            anns <- FMAP_SND getAnnotations deserializeWithData guts
+            when (anyUFM (any (== Fuse)) anns) $
+                mapM_ (transformBind dflags anns) $ mg_binds guts
+            return guts
+
+    where
+
     transformBind :: DynFlags -> UNIQ_FM -> CoreBind -> CoreM ()
     transformBind dflags anns bind@(NonRec b _) = do
         let results = containsAnns dflags anns bind