Revert "Merge branch 'toon-gitaly-bundler-fix' into 'master'"

This reverts merge request !72328

scripts/gitaly-test-build

@@ -13,6 +13,8 @@ class GitalyTestBuild
   include GitalySetup
 
   def run
+    set_bundler_config
+
     # If we have the binaries from the cache, we can skip building them again
     if File.exist?(tmp_tests_gitaly_bin_dir)
       GitalySetup::LOGGER.debug "Gitaly binary already built. Skip building...\n"

scripts/gitaly-test-spawn

@@ -9,6 +9,7 @@ class GitalyTestSpawn
   include GitalySetup
 
   def run
+    set_bundler_config
     install_gitaly_gems if ENV['CI']
     check_gitaly_config!
 

spec/support/helpers/gitaly_setup.rb

@@ -9,7 +9,6 @@
 require 'securerandom'
 require 'socket'
 require 'logger'
-require 'bundler'
 
 module GitalySetup
   LOGGER = begin
@@ -47,26 +46,13 @@ module GitalySetup
     File.join(tmp_tests_gitlab_shell_dir, '.gitlab_shell_secret')
   end
 
-  # Return the path of the vendored gems in <gdk>/gitaly, if exists
-  def gdk_gitaly_ruby_gem_path
-    gitaly_ruby_path = File.expand_path('../../../../gitaly/ruby/', __dir__)
-    bundle_config_path = File.join(gitaly_ruby_path, '.bundle')
-    bundle_path = Bundler::Settings.new(bundle_config_path).path
-
-    return if bundle_path.use_system_gems?
-
-    File.expand_path(bundle_path.explicit_path, gitaly_ruby_path)
-  end
-
   def env
     {
       'HOME' => File.expand_path('tmp/tests'),
       'GEM_PATH' => Gem.path.join(':'),
-      'BUNDLE_IGNORE_CONFIG' => '1',
+      'BUNDLE_APP_CONFIG' => File.join(gemfile_dir, '.bundle'),
+      'BUNDLE_INSTALL_FLAGS' => nil,
       'BUNDLE_GEMFILE' => gemfile,
-      'BUNDLE_PATH' => bundle_path,
-      'BUNDLE_JOBS' => '4',
-      'BUNDLE_RETRY' => '3',
       'RUBYOPT' => nil,
 
       # Git hooks can't run during tests as the internal API is not running.
@@ -75,13 +61,17 @@ module GitalySetup
     }
   end
 
-  def bundle_path
+  # rubocop:disable GitlabSecurity/SystemCommandInjection
+  def set_bundler_config
+    system('bundle config set --local jobs 4', chdir: gemfile_dir)
+    system('bundle config set --local retry 3', chdir: gemfile_dir)
+
     if ENV['CI']
-      File.expand_path('../../../vendor/gitaly-ruby', __dir__)
-    else
-      gdk_gitaly_ruby_gem_path || File.expand_path(Bundler.configured_bundle_path.base_path)
+      bundle_path = File.expand_path('../../../vendor/gitaly-ruby', __dir__)
+      system('bundle', 'config', 'set', '--local', 'path', bundle_path, chdir: gemfile_dir)
     end
   end
+  # rubocop:enable GitlabSecurity/SystemCommandInjection
 
   def config_path(service)
     case service