1 files changed, 20 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/beam-modules/build-hex.nix b/nixpkgs/pkgs/development/beam-modules/build-hex.nix
new file mode 100644
index 000000000000..27ce64582f34
--- /dev/null
+++ b/nixpkgs/pkgs/development/beam-modules/build-hex.nix
@@ -0,0 +1,20 @@
+{ stdenv, buildRebar3, fetchHex }:
+
+{ name, version, sha256
+, builder ? buildRebar3
+, hexPkg ? name
+, ... }@attrs:
+
+with stdenv.lib;
+
+let
+  pkg = self: builder (attrs // {
+
+    src = fetchHex {
+      pkg = hexPkg;
+      inherit version;
+      inherit sha256;
+    };
+  });
+in
+  fix pkg