Is package lookaside cache based on file name, or md5sum?

[Adam Jackson]

On 8/13/12 12:43 PM, Tom Lane wrote:
> Somebody please refresh my memory on this ... I seem to recall reading
> that the lookaside cache stores and retrieves files based on their
> md5sum, and won't care if two files with different checksums were given
> the same name.  True?
>
> The particular case I have is that I want to re-generate a documentation
> PDF file, and re-upload it to lookaside cache, without changing its
> name.  So in the "sources" file the md5sum would change, but not the
> file name.  Will that work, or screw things up?
>
> (Possibly this is explained somewhere in the project wiki, but I didn't
> find it...)

~/fedora/libdrm% fedpkg -v sources
Downloading libdrm-2.4.37.tar.bz2
Creating repo object from /home/ajax/fedora/libdrm
Running curl -H Pragma: -o ./libdrm-2.4.37.tar.bz2 -R -S --fail 
http://pkgs.fedoraproject.org/repo/pkgs/libdrm/libdrm-2.4.37.tar.bz2/9765919c28d4a54887576db3680137cc/libdrm-2.4.37.tar.bz2 
directly on the tty
   % Total    % Received % Xferd  Average Speed   Time    Time     Time 
  Current
                                  Dload  Upload   Total   Spent    Left 
  Speed
100  492k  100  492k    0     0   406k      0  0:00:01  0:00:01 --:--:-- 
  507k


So the format appears to be:

%name / filename / md5 / filename

So yes, that should work fine.

- ajax