From 9519eee8212456871605fcec69efc40b78d8128d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Janne=20He=C3=9F?= <janne@hess.ooo>
Date: Sun, 22 Dec 2024 16:46:32 +0100
Subject: [PATCH] rabbitmq-server: Fix reported version

Fixes the version in `rabbitmqctl --version` and the web interface
---
 pkgs/by-name/ra/rabbitmq-server/package.nix | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/pkgs/by-name/ra/rabbitmq-server/package.nix b/pkgs/by-name/ra/rabbitmq-server/package.nix
index 690cba3501bc8..6791f7920f175 100644
--- a/pkgs/by-name/ra/rabbitmq-server/package.nix
+++ b/pkgs/by-name/ra/rabbitmq-server/package.nix
@@ -87,6 +87,7 @@ stdenv.mkDerivation rec {
 
   preBuild = ''
     export LANG=C.UTF-8 # fix elixir locale warning
+    export PROJECT_VERSION="$version"
   '';
 
   postInstall = ''
@@ -106,6 +107,19 @@ stdenv.mkDerivation rec {
     rm $out/INSTALL
   '';
 
+  # Can not use versionCheckHook since that doesn't allow for setting environment variables
+  # which is necessary since Erlang needs a $HOME for the Cookie.
+  doInstallCheck = true;
+  installCheckPhase = ''
+    runHook preInstallCheck
+    out="$(env - LANG=C.utf8 HOME=/build ${placeholder "out"}/bin/rabbitmqctl version)"
+    if [[ "$out" != "$version" ]]; then
+      echo "Rabbitmq should report version $version, but thinks it's version $out" >&2
+      exit 1
+    fi
+    runHook postInstallCheck
+  '';
+
   passthru.tests = {
     vm-test = nixosTests.rabbitmq;
   };