Re: Support of new source packages in squeeze
On Mon, 09 Mar 2009, Jan Hauke Rahm wrote:
> On Mon, Mar 09, 2009 at 01:09:34AM -0700, Russ Allbery wrote:
> > If you're trying to recreate the tarball from a set of files, this doesn't
> > work as well, but that also has other problems (it doesn't give you a
> > reproducible tarball). I suspect that if you're storing enough additional
> > metadata to know how to generate a reproducible tarball, you'll have
> > metadata to know how to build it. For pristine-tar, for example, I'd put
> > each upstream tarball on a separate branch and merge them together, so
> > that pristine-tar has a branch tag to use for commit and checkout.
> I might be wrong here but recreating an orig tarball from the data in a
> VCS can always lead to a different tarball than the actually original
> tarball when you unpacked (and commited) it via 'dpkg-source -x' just
> due to the ignore regex for files. If upstream had files in his/her
> tarball that got ignored by dpkg-source then those are not unpacked and
> not commited and thus not repacked in a recreated orig tarball (leading
> at least to different checksums). Or am I wrong with that?
You're wrong because dpkg-source only ignores files during build and not
during unpack. And dpkg-source -b doesn't modify .orig tarballs of course.
The -I ignore applies mainly for native packages were the tarball is
recreated each time. The -i ignore applies only to existing files whose
modifications should not be stored and has no impact on tarball creation.
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