Monday, 18 October 2021 09:38

How to backup custom code with gCTS

Written by Olga Dolinskaja
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Source https://blogs.sap.com/2021/10/19/how-to-backup-custom-code-with-gcts/
“© 2020. SAP SE or an SAP affiliate company. All rights reserved.” “Used with permission of SAP SE”

In an average customer SAP ERP system, a large part of custom code is never executed in the production. Therefore, while converting your system to SAP S/4HANA it is crucial to identify and remove unused custom code in order to save your costs for its adaptation and future maintenance.

Custom Code Migration app can identify obsolete custom code based on uploaded usage data, store it in the deletion transport on your SAP ERP system, and during system conversion to SAP S/4HANA this deletion transport can be removed from the system (see the blogs Custom code analysis for SAP S/4HANA with SAP Fiori App Custom Code Migration for more details about the Custom Code Migration app and ABAP Call Monitor (SCMON) – Analyze usage of your code on how to collect usage data).

If you have concerns about deleting unused code, because you think, that you may need it at a later point of time, a downsized production or development system for backup of your unused code might be a solution. However, it is associated with costs and effort since you would need to set up and maintain an additional system in your landscape only for backup purposes.

That’s why we decided to offer the much better option to backup and possibly restore your unused code – backup with gCTS.

The idea behind that is as following. During SAP S/4HANA system conversion you don’t remove your unused custom code. Instead of this, after the system conversion, you create an external Git repository, enable Git-enabled Change and Transport System (gCTS) and configure a Git repository on your converted SAP S/4HANA system to create a connection between your SAP S/4HANA system and this external Git repository. Finally you transfer the objects from your deletion transport to the external Git repository. Your backup of unused custom code is ready, and you can remove the unused objects of the deletion transport from your SAP S/4HANA system.

How to import individual objects from Git repository to your SAP S/4HANA system

Just imagine, that using gCTS you have created the backup for your unused objects as a Git repository:

and deleted these objects from your SAP S/4HANA system.

Now you want to import some objects from the backup back into your SAP S/4HANA system, for example domain ZFILEPATH and data element ZFILEPATH:

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