[pacman-dev] Removing deltas from repos - Was: Allow package to display a brief message before sync install

[Allan McRae]

Marc - A. Dahlhaus [ Administration | Westermann GmbH ] wrote:
> Am Mittwoch, den 16.09.2009, 16:18 +1000 schrieb Allan McRae:
>   
>> Marc - A. Dahlhaus [ Administration | Westermann GmbH ] wrote:
>>     
>>> Am Dienstag, den 15.09.2009, 23:14 +1000 schrieb Allan McRae:
>>>   
>>>       
>>>> repo-remove... but I am assuming you mean some automated tool to remove 
>>>> "useless" deltas?  Not yet, and I doubt there will be until someone 
>>>> starts using deltas in a repo and finds the need to code one.
>>>>     
>>>>         
>>> Well, i rise my hand then and look into it as we use deltas quite
>>> heavily lately here.
>>>   
>>>       
>> That would be great.  From memory, pacman does not use a chain of deltas 
>> if the total download is greater than 90% of just downloading the full 
>> package.  That is probably a good criteria to use to in order to decide 
>> which deltas to remove.
>>     
>
> Actually first i got confused as repo-remove is documented to take a
> pkgname as param to remove the whole package (including deltas) from the
> repo. To use the deltapackage-filename as option to remove only that
> delta doesn't fitted well into that documentation. I'll try to add this
> to the man page and usage outputs during my work on this topic...
>
> I'd like to add a -d|--delta option to repo-add to create the delta
> between the current package and the one to be added.
>
> For option parsing i plan to make usage of getopt (it is already used by
> makepkg so it shouldn't be a problem).

I will fully read your proposal later, but I want to flag that makepkg 
does not use getopt anymore but its own bash parser.  This was because 
of portability issues.   I also notice that the reference to getopt at 
the top of makepkg has not been removed...

Allan