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Defect #37686

open

Plugin migration does not work properly if called multiple times with different target versions

Added by crypto gopher over 1 year ago.

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

0%

Estimated time:
Resolution:
Affected version:

Description

When testing plugin migrations it is necessary to call plugin migrations more than once, e.g.:

# migrate to version A
Redmine::Plugin.migrate('some_plugin', 2)

# ...do some plugin specific database filling...

# try to migrate to version B and see if migration gave proper results
Redmine::Plugin.migrate('some_plugin', 3)

The problem is it does not work as expected. Installed migrations are listed and cached in Redmine::Plugin::Migrator @all_versions variable during first migrate() run. Then it is never updated and subsequent migrate() calls operate on its outdated contents.

Quick workaround is to clear @all_versions variable like this:

Redmine::Plugin.migrate('some_plugin', 2)

Redmine::Plugin::Migrator.instance_variable_get(:@all_versions)&.delete('some_plugin')

Redmine::Plugin.migrate('some_plugin', 3)

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