[pacman-dev] Problem with alpm_pkg_changelog_open

[kachelaqa]

On 01/04/11 20:00, Dan McGee wrote:
> On Fri, Apr 1, 2011 at 1:56 PM, kachelaqa<kachelaqa at gmail.com>  wrote:
>> On 01/04/11 19:44, Dan McGee wrote:
>>>
>>> It is definitely a bug in the sense that it segfaults- we provide no
>>> changelog_* functions in the sync (or default) pkg_operations
>>> callback.
>>
>> pardon my ignorance, but what is _package_changelog_open in be_package.c
>> for?
>
> pacman -Qpc<package file>
>
> Not sync *database packages*, but *package files*.
>
> be_local: /var/lib/pacman/local
> be_sync: /var/lib/pacman/sync/*.db
> be_package: package files

ah, yes of course - thanks

>>> Where have you actually seen changelogs in sync databases?
>>
>> well, it's difficult for me to check for specific changelogs at the moment.
>> are you saying that they are not stored in sync databases at all? even if
>> there is one in the local database (e.g. scite)?
>
> Nope.
>
> $ bsdtar tf /var/lib/pacman/sync/community.db | grep scite
> scite-2.24-1/
> scite-2.24-1/desc
> scite-2.24-1/depends

okay, so changelogs are only ever stored in the local database. so all i 
have to do is check whether a package is installed before attempting to 
retrieve a changelog.

thanks for your help!