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Defect #36801

open

Rails Autoload Paths contain plugin libs twice

Added by Stephan Wenzel about 2 years ago. Updated about 2 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
Plugin API
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:
Resolution:
Affected version:

Description

Due to the way plugins are loaded by Redmine the variable

ActiveSupport::Dependencies.autoload_paths 

contains the path to the 'lib' directory of each plugin twice, which should not happen.

When Redmine loads the plugins from config/initializers/30-redmine.rb it calls

Redmine::Plugin.load

Redmine::Plugin.load (defined in lib/redmine/plugin.rb) adds the 'lib' directory of each plugin to

ActiveSupport::Dependencies.autoload_paths 

and to

$LOAD_PATH #alias $: 

When each plugin calls

Redmine::Plugin.register 

from init.rb (which they ought to do), then in Redmine::Plugin.register all Rails paths in the plugin directory are created by calling

engine_cfg.paths 

implicitly by calling

engine_cfg.paths.add 'lib', eager_load: true

Then in Redmine::Plugin.register the following call causes the second addition of the autoload_paths

ActiveSupport::Dependencies.autoload_paths +=
        engine_cfg.eager_load_paths + engine_cfg.autoload_once_paths + engine_cfg.autoload_paths

In some environments this may cause trouble.

Actions #1

Updated by Stephan Wenzel about 2 years ago

A fix could be adding

ActiveSupport::Dependencies.autoload_paths.uniq

as the last line in @Redmine::Plugin.load

Actions #2

Updated by Marius BÄ‚LTEANU about 2 years ago

Can you test on current trunk where we switched the autoloading from classic to zeitwerk (#29914)?

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