chore(nix): Enable local version overrides

Author: duizendstra

.idx/contextvibes.nix

@@ -1,25 +1,31 @@
 # -----------------------------------------------------------------------------
 # Package: ContextVibes CLI
-# Version: 0.7.0-alpha.2
+# Version: Dynamic (Defaults to 0.7.0-alpha.2, overrides via local.nix)
 # -----------------------------------------------------------------------------
-{ pkgs }:
+{ pkgs, overrides ? {} }:
 
 let
+  # --- Defaults (Tracked in Git) ---
+  defaultVersion = "0.7.0-alpha.2";
+  defaultHash    = "0n1mchl9nphy1q0rxi9468y2hyp6brvf9iisflycvni20w3v4c4i";
+
+  # --- Resolution Logic ---
+  # Use value from local.nix if present, otherwise use default
+  version = overrides.CONTEXTVIBES_VERSION or defaultVersion;
+  sha256  = overrides.CONTEXTVIBES_HASH    or defaultHash;
+
   # Map Nix system architecture to Go architecture naming
   arch = if pkgs.stdenv.hostPlatform.isAarch64 then "arm64" else "amd64";
   os = "linux"; # IDX is Linux-based
 in
 pkgs.stdenv.mkDerivation rec {
   pname = "contextvibes";
-  version = "0.7.0-alpha.2";
+  inherit version;
 
   src = pkgs.fetchurl {
     # URL format matches GoReleaser: contextvibes_0.7.0-alpha.2_linux_amd64.tar.gz
     url = "https://github.com/contextvibes/cli/releases/download/v${version}/contextvibes_${version}_${os}_${arch}.tar.gz";
-
-    # TODO: Update this hash!
-    # Run: nix-prefetch-url https://github.com/contextvibes/cli/releases/download/v0.7.0-alpha.2/contextvibes_0.7.0-alpha.2_linux_amd64.tar.gz
-    sha256 = "0n1mchl9nphy1q0rxi9468y2hyp6brvf9iisflycvni20w3v4c4i";
+    inherit sha256;
   };
 
   # The archive unpacks into the current directory

.idx/dev.nix

@@ -41,9 +41,8 @@ in
     gh
 
     # --- Local Imports ---
-    # Ensure these files return a single derivation (package).
-    # If they return a list, this syntax needs changing.
-    (import ./contextvibes.nix { inherit pkgs; })
+    # We pass 'overrides = localEnv' so contextvibes.nix can read variables from local.nix
+    (import ./contextvibes.nix { inherit pkgs; overrides = localEnv; })
     (import ./golangci-lint.nix { inherit pkgs; })
   ];