Modernization metadata contains information about automated migrations performed on Jenkins plugins using the plugin-modernizer-tool. It includes details such as:

• Pull requests created in the target plugin repositories.
• Whether the migration for a given plugin succeeded or failed.
• Whether the pull request made by the plugin-modernizer-tool was merged or not.
• Other migration-related data points.

• Track progress – Monitor the modernization process, including successful and failed migrations.
• Identify issues – Pinpoint recipes that are consistently failing.
• Measure improvements – Assess technical debt reduction over time.

plugin-name/reports/

• Contains aggregated migrations for a specific plugin (all migrations applied to that plugin).
• If a plugin has failed migrations, a failed-migrations.csv file will be present in this directory.

plugin-name/modernization-metadata/

• Contains individual migration records stored as timestamp.json files — one per migration.
• Each migration listed here also appears in the aggregated migrations report.

/reports/ (root-level)

• Contains summary reports for the entire modernization process, including PR statistics, migration statistics, and a list of failed plugins.
• /reports/recipes/ – Contains a .json file for each recipe, detailing its application across different plugins.