From af909b323842faa4cd8000b4f70fd7129d9560e8 Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Mon, 25 Mar 2019 12:17:56 -0400
Subject: [PATCH] nixos/gitlab: Package gitlab-rails

This utility (particularly `gitlab-rails console`) is packaged by GitLab
Omnibus and is used for diagnostics and maintenance operations.
---
 nixos/modules/services/misc/gitlab.nix | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/misc/gitlab.nix b/nixos/modules/services/misc/gitlab.nix
index 17c8c3ce51f..64473009aa8 100644
--- a/nixos/modules/services/misc/gitlab.nix
+++ b/nixos/modules/services/misc/gitlab.nix
@@ -160,6 +160,20 @@ let
      '';
   };
 
+  gitlab-rails = pkgs.stdenv.mkDerivation rec {
+    name = "gitlab-rails";
+    buildInputs = [ pkgs.makeWrapper ];
+    dontBuild = true;
+    unpackPhase = ":";
+    installPhase = ''
+      mkdir -p $out/bin
+      makeWrapper ${cfg.packages.gitlab.rubyEnv}/bin/rails $out/bin/gitlab-rails \
+          ${concatStrings (mapAttrsToList (name: value: "--set ${name} '${value}' ") gitlabEnv)} \
+          --set PATH '${lib.makeBinPath [ pkgs.nodejs pkgs.gzip pkgs.git pkgs.gnutar config.services.postgresql.package pkgs.coreutils pkgs.procps ]}:$PATH' \
+          --run 'cd ${cfg.packages.gitlab}/share/gitlab'
+     '';
+  };
+
   extraGitlabRb = pkgs.writeText "extra-gitlab.rb" cfg.extraGitlabRb;
 
   smtpSettings = pkgs.writeText "gitlab-smtp-settings.rb" ''
@@ -461,7 +475,7 @@ in {
 
   config = mkIf cfg.enable {
 
-    environment.systemPackages = [ pkgs.git gitlab-rake cfg.packages.gitlab-shell ];
+    environment.systemPackages = [ pkgs.git gitlab-rake gitlab-rails cfg.packages.gitlab-shell ];
 
     # Redis is required for the sidekiq queue runner.
     services.redis.enable = mkDefault true;