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purpose: Will Kahn-Greene's blog of Python, Linux, random content, PyBlosxom, Miro, and other projects mixed in there ad hoc, half-baked, and with a twist of lemon

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Thu, 12 Nov 2009

Binary kits are no longer in the repository

I finished the work to remove the binary kit data from the miro repository today. Removing the binary kit data from the repository changed all the shas. To alleviate the problems this causes, I did the following:

  1. Ran a git filter-branch --commit-filter that added a line to the end of every commit message stating what the original commit sha was. The shas are referenced in Bugzilla, so this maintains the papertrail.
  2. Moved the "old git repository" to miro.old. If you're building Miro versions prior to Miro 2.6, it'll probably be easier to do that in the old git repository because the binary kit material is there.
  3. Binary kit materials were moved to separate repositories.

The end result of this is that we went from 900mb for the repository and a full checkout to about 136mb. Clones are faster, it uses less space on disk, and you're not saddled with a bunch of binary date you probably aren't going to use. It's also much easier on the build boxes which are old and don't have a lot of disk space kicking around.

If you have any questions, comments, or problems, let me know.

[ tags: miro, work | category: /miro | Permalink | 1 comments ]
Posted by Uwe Hermann on Thu Nov 12 21:34:06 2009
Great stuff, thanks a lot!

If you do "rm -rf *" in the cloned directory you can further reduce the size to 100MB. This may sound stupid, but it's actually not. Even after that removal (which leaves the .git directory around) you can use gitk to view diffs and recent changes in the code etc.

If you at some point need the actual files, you can always restore them via "git reset --hard", modify and/or build miro, then "rm -rf *" it all again to save space.

Uwe.


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