Re: GMAP -- Align mRNA and EST sequences to a genome

[Shaun Jackman <sjackman@gmail.com>]

On 12 May 2010 16:26, Charles Plessy <plessy@debian.org> wrote:
> Le Wed, May 12, 2010 at 11:14:40AM -0700, Shaun Jackman a écrit :
>> On 11 May 2010 22:01, Charles Plessy <plessy@debian.org> wrote:
>> ...
>> > Please consider adding a ‘pristine-tar’ branch if it is easy for you.
>> > http://wiki.debian.org/PackagingWithGit#pristine-tar
>>
>> Since the pristine tar can be downloaded from either the upstream site
>> or from ftp.debian.org, it seems redundant to be able to rebuild the
>> pristine tar from version control as well. What's the purpose?
>
> Hi Shaun,
>
> the purpose is offline work.
>
> With a git repository like the one you prepared, one can create a full source
> package, since it contains the upstream sources, but there is a problem: unless
> both the upstream and Debian developers pass the --no-name option to gzip (and
> use the same compression level), the md5 sum of the orig.tar.gz file will not
> be the same as the one of the tarball distributed upstream, since gzip includes
> some timestamp information (I admit it is not obvious that --no-name also
> implies no timestamp). And if the md5sum of the orig.tar.gz changes but not its
> version number, the upload will be automatically rejected. With the
> pristine-tar system, if one creates a source package from a git repository, it
> will be uploadable to Debian without headaches.
>
> This said, this is not a vital issue :)
>
> Have a nice day,

Thanks for the explanation, Charles. It won't be a priority for me,
but if I find the time I will.

Cheers,
Shaun