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Folks,

We have a number of Source Safe databases that should be migrated to SubVersion. Is there a (tested and proven) way to migrate them with history ?

Thanks Essam

essamSALAH
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  • See also similar postings: https://stackoverflow.com/questions/59392/best-way-to-migrate-from-vss-to-subversion https://stackoverflow.com/questions/417355/is-there-a-way-to-migrate-sourcesafe-with-history-into-svn https://stackoverflow.com/questions/94058/moving-from-vss-to-svn https://stackoverflow.com/questions/4965633/migrate-from-vss-to-svn-retaining-history https://stackoverflow.com/questions/1802731/what-are-the-hurdles-and-dangers-when-migrating-from-visual-sourcesafe-to-svn https://stackoverflow.com/questions/3961701/vss-to-svn-migration-tool-suggestions – Richard Chambers Nov 27 '19 at 17:03

5 Answers5

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I'm considering the migration too and I have found some pages that may help you in the process:

This 3 pages provide information on methods to migrate the complete history from VSS to SVN

Doliveras
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  • I moved a VSS database to SVN using the vss2svn perfectly. It had about 23000 svn commits but required lots of VSS repair! – chotchki Mar 29 '10 at 19:29
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You can try VssMigrate. It is a C# port of PowerAdmin's VssMigrate which has the capability to "Resolve the individual VSS-checkins to atomic SVN commits via the approximate timestamp".

Tim Erickson
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My company has developed a Source Safe to Subversion migration tool: http://www.abstrakti.com/en-US/Products/Krepost

This tool was developed after having problems with every other tool, when we had to migrate a customer's repository. Also, this is the only tool that can import SourceSafe labels into SVN.

Let me know if you have any problems, I'll be glad to help you.

Eric.

Eric Schneider
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I would recommend the original vss2svn project (which I've used) compared to some of the other options listed here (e.g. VssMigrate) (which I have not used, but looked at the website) because it:

  1. Runs on Linux where you get much faster file operations (compared to NTFS) (e.g. conversion runs in 30 minutes instead of 12 hours)
  2. Is very hackable, generates intermediate, editable states (e.g. dump file)

In years past I used to admin VSS/CVS/SVN databases, and used vss2svn for a few VSS -> SVN migrations (in the order of a decade of history, 500MB, IIRC). My strongest caution to anybody converting a repository is that the biggest challenge is typically not how to map certain files to certain revision numbers, but how to gracefully handle corruption in the VSS database. This is why fast operation (you're not likely to achieve perfection the first time), and hackable operation are essential.

I would also highly recommend the vss2svn wiki pages on RunningTheMigration to anyone contemplating a migration, whatever tool you use in the end.

Nathan Kidd
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Stumbled across this old question from a Google search. Another choice available is from Polarion who has a free SVN importer that can import from multiple sources. I'm trying it now...

http://www.polarion.com/products/svn/svn_importer.php

Darian Miller
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