[pacman-dev] delta support in libalpm

[Allan McRae]

Aaron Griffin wrote:
> On Thu, Feb 26, 2009 at 4:53 PM, Allan McRae <allan at archlinux.org> wrote:
>   
>> Aaron Griffin wrote:
>>     
>>> Is there delta information
>>> stored in the pacman DB? If so, the cleanup gets far more complicated?
>>>       
>> Delta information is stored in the repo so removing them is not a simple
>> delete.  As Xavier pointed out, my proposal for removing deltas was slightly
>> more complicated but I am beginning to see the need for a script to clean
>> the deltas up - and so I can use my more complicated removal system  :).  I
>> think whether that script is part of repo-add, or repo-add calls it when
>> adding/removing a delta depends on how complicated the script gets.
>>
>> Anyway, a simple removal system based on number of deltas would be fine for
>> now and more complicated stuff could be added later.
>>     
>
> So... if I hack at this, what would be the process to remove a delta?
> Delete the file and then remove a line from a db entry that matches
> the file?

Remove the delta from the repo using
e.g
repo-remove repo/test.db.tar.gz libx11-1.1.5-2_to_1.1.99.2-2-x86_64.delta

Allan