From 50ae09a1a9749e2c844e36dd0ac8b3f6650e5d8e Mon Sep 17 00:00:00 2001
From: Graham McIntire <graham@mcintire.me>
Date: Sat, 7 Feb 2026 12:51:25 -0600
Subject: [PATCH] fix: Add explicit deps.get in configure phase

Override configurePhase to explicitly run 'mix deps.get' before
compilation. This ensures hex dependencies (like ecto) are available
when vendored path dependencies (oban_met) are compiled.
---
 nix/build.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/nix/build.nix b/nix/build.nix
index f003c8d5..472d304a 100644
--- a/nix/build.nix
+++ b/nix/build.nix
@@ -40,6 +40,16 @@ beamPackages.mixRelease {
   # Environment variables for build
   MIX_OS_DEPS_COMPILE_PARTITION_COUNT = "6";
 
+  # Override Mix phases to handle vendored deps properly
+  configurePhase = ''
+    runHook preConfigure
+
+    # Get all deps (including hex deps that vendored packages need)
+    mix deps.get --only prod
+
+    runHook postConfigure
+  '';
+
   # Pre-build: Copy pre-built NIF and stub the Makefile to skip rebuild
   preBuild = ''
     # Copy pre-built NIF shared library