From df79b8dc4a6a5c0d56d713557bc429c978b80a54 Mon Sep 17 00:00:00 2001
From: Daniel Flanagan <daniel@lyte.dev>
Date: Thu, 19 Dec 2024 21:39:53 -0600
Subject: [PATCH] Work on elixir template

---
 templates/elixir/flake.nix        |  3 +++
 templates/elixir/nix/checks.nix   | 17 +++++++++++++++++
 templates/elixir/nix/overlays.nix | 15 ++++-----------
 templates/elixir/nix/packages.nix |  9 +++++----
 4 files changed, 29 insertions(+), 15 deletions(-)
 create mode 100644 templates/elixir/nix/checks.nix

diff --git a/templates/elixir/flake.nix b/templates/elixir/flake.nix
index aaeea38..7d30b37 100644
--- a/templates/elixir/flake.nix
+++ b/templates/elixir/flake.nix
@@ -1,6 +1,8 @@
 {
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    git-hooks.url = "github:cachix/git-hooks.nix";
+    git-hooks.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs = inputs: let
@@ -8,6 +10,7 @@
   in {
     overlays = import nix/overlays.nix;
     packages = call (import nix/packages.nix);
+    checks = call (import nix/checks.nix);
     devShells = call (import nix/shells.nix);
   };
 }
diff --git a/templates/elixir/nix/checks.nix b/templates/elixir/nix/checks.nix
new file mode 100644
index 0000000..d6e6f79
--- /dev/null
+++ b/templates/elixir/nix/checks.nix
@@ -0,0 +1,17 @@
+{
+  git-hooks,
+  pkgs,
+  ...
+}: {
+  git-hooks = git-hooks.lib.${pkgs.system}.run {
+    src = ./..;
+    hooks = {
+      alejandra.enable = true;
+      convco.enable = true;
+      credo.enable = true;
+      dialyzer.enable = true;
+      mix-format.enable = true;
+      mix-test.enable = true;
+    };
+  };
+}
diff --git a/templates/elixir/nix/overlays.nix b/templates/elixir/nix/overlays.nix
index bad02d4..8a9dcf7 100644
--- a/templates/elixir/nix/overlays.nix
+++ b/templates/elixir/nix/overlays.nix
@@ -1,16 +1,9 @@
 {
   forSelf = final: prev: {
-    erlangPackages = prev.beam.packagesWith prev.erlang_28;
-    erlang = final.erlangPackages.erlang;
-    elixir = final.erlangPackages.elixir_1_17;
-
-    mixRelease = final.erlangPackages.mixRelease.override {
-      elixir = final.elixir;
-    };
-    fetchMixDeps = final.erlangPackages.fetchMixDeps.override {
-      elixir = final.elixir;
-    };
-
+    erlang = prev.beam.packagesWith prev.beam.interpreters.erlang_27;
+    elixir = final.erlang.elixir_1_18;
+    mixRelease = final.erlang.mixRelease.override {elixir = final.elixir;};
+    fetchMixDeps = final.erlang.fetchMixDeps.override {elixir = final.elixir;};
     elixir-ls = prev.elixir-ls.override {elixir = final.elixir;};
   };
 }
diff --git a/templates/elixir/nix/packages.nix b/templates/elixir/nix/packages.nix
index 22bd52b..ed886a4 100644
--- a/templates/elixir/nix/packages.nix
+++ b/templates/elixir/nix/packages.nix
@@ -4,19 +4,20 @@
   ...
 }: let
   version = "1.0.0";
-  src = ./.;
+  src = ../.;
   pname = "my-package";
 in {
-  ${pname} = pkgs.beamPackages.mixRelease {
+  ${pname} = pkgs.mixRelease {
     inherit pname version src;
-    mixFodDeps = pkgs.beamPackages.fetchMixDeps {
+    mixFodDeps = pkgs.fetchMixDeps {
       inherit version src;
       pname = "mix-deps-${pname}";
-      hash = pkgs.lib.fakeSha256;
+      sha256 = pkgs.lib.fakeSha256;
     };
     # buildInputs = with pkgs; [];
     # HOME = "$(pwd)";
     # MIX_XDG = "$HOME";
+    # RELEASE_COOKIE = "test-cookie";
   };
 
   default = self.packages.${pkgs.system}.${pname};