Please suggest a way to migrate age old repositories from clearcase to 'GIT with Stash'?

Our installation of Clearcase at the enterprise level is completing the support contract and hence are looking for replacement in the atlassian platform. Could some suggest a way in which we can migrate from Clearcase to 'GIT with stash'. We would want to perform a proof of concept on an identified project first.

Any inputs on the migration approach or steps are highly appreciated.

Thanks in advance.

4 answers

Hi Narayanarao,

There is a lot to consider when moving from ClearCase to Stash/Git.  Basically, how much code is there, how much history do you want to bring over, do you want to recreate some of the branches that you are working n in ClearCase and have the common ancestor history come over as well, what version of ClearCase and OS is it running on, triggers, etc etc. 

Just grabbing the latest code (branch tip) and dropping it into Git is not hard, just a copy and paste.  How do you confirm that the migration is successful? Permissions, history, triggers, links, clearmake, MultiSite, integrations?

See the link below, we have done some of the largest and most complex IBM ClearCase and ClearQuest migrations.



This article might help you out:

Stash is a git repository manager, so if you can migrate your code from clearcase to git it's only a small step to put it into Stash.

Best regards,


Next websight might help you:

Best regards,


we can help you do

We are going through this process right now and have been working on it for over a year.  If your codebase is large, it is not a small problem.


Basically was are using a script that extracts ClearCase code label by label for the desired labels and creates a git repository by making a commit for each label.  Unfortunately, I doubt whether I could just share the tools we are using with you, as they represent quite a lot of development effort.  

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