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0.29-from-0.28.1.md

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Notable changes in 0.29 as compared to 0.28.1

May require attention

  • The minimum Python version is now to 2.6.

  • The index format has been adjusted to handle a larger number of entries, which will trigger a full index rebuild on the next index update, making that run more expensive than usual.

  • The gc command should now clean up its temporary bloom filters, but filters created by earlier invocations may still exist in your repositories in the objects/pack/ directory as tmp-gc-*.bloom files, It should be safe to delete these files when no bup commands are running.

General

  • Some Python 2.6 compatibility problems have been fixed.

  • index runs may be much less expensive for parts of the filesystem that haven't changed since the last save.

  • An experimental prune-older command has been added. It removes (permanently deletes) all saves except those preserved by a set of arguments like --keep-monthlies-for 3y. See bup help prune-older for further information.

  • gc should now only require up to one packfile (about 1GB) of temporary space while running. Previously it might require much more.

  • gc should read much less data now, which may make it notably faster.

  • The gc --threshold argument should actually be allowed now.

  • gc should be able to handle deeper filesystem trees without crashing. Previously it was constrained by the default Python stack depth limit.

  • save and split should reject invalid -n names immediately instead of waiting until after their work is complete.

  • bup should no longer crash when trying to fsync on an SMB filesystem under OS X.

  • save and restore should work on ntfs-3g filesystems now. Previously they might crash when trying to manipulate file attrs.

Build system

  • The web tests should be skipped if tornado is not detected.

  • The fuse tests should be skipped if the fuse module is not detected.

  • make clean should work better on non-Linux systems.

Thanks to (at least)

Andrew Skretvedt, Ben Kelly, Bruno Bigras, Greg Troxel, Jacob Edelman, Jonathan Wright, Julien Sanchez, Mark J Hewitt, Nick Alcock, Pascal Honoré, Rob Browning, Wayne Scott, axion, ilovezfs, phillipproell, and vi0oss