The most relevant changes (enabled by default) are:
* 'bzr merge-package' is now integrated into 'bzr merge' (it's just a hook that fires on merges involving packages), so you no longer need
to remember to run a different command for package merges * patches are automatically unapplied in relevant trees before merges* before a commit, bzr will warn if you have some applied and some unapplied quilt patches
Furthermore, you can now specify whether you would like bzr to automatically apply all patches for stored data and whether you would like to automatically have them applied in your working tree by setting 'quilt-tree-policy' and 'quilt-commit-policy' to either 'applied' or 'unapplied'. This means that you can have the patches unapplied in the repository, but automatically have them applied upon checkout or update. Setting these configuration options to an empty string causes bzr to not touch your patches during commits, checkout or update.
We've done testing of it, as well as running through a package merge involving patches with Barry, but none of us do package merges regularly. If you do run into issues or if you think there are ways we can improve the quilt handling further, please follow up to this email
to [email protected] or file a bug report against the UDD project (https://launchpad.net/udd/+filebug). Caveats:* If there are patches to unapply for the OTHER tree, bzr will currently create a separate checkout and unapply the patches
there. This may have performance consequences for big packages. The best way to prevent this is to set 'quilt-commit-policy = unapplied'.* 'bzr merge' will now fail if you are merging in a packaging tree that is lacking pristine tar metadata; I'm submitting a fix for this,
but it's not in 2.8.1.* if you set 'quilt-commit-policy' and 'quilt-tree-policy' but have them set to a different value, bzr will consider the tree to have changes.
To disable the automatic unapplying of patches and fall back to the previous behaviour, set the following in your builddeb configuration:
'quilt-smart-merge = False' Cheers, Jelmer
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