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Re: RPM roadmapping

Michael Schroeder wrote:
On Thu, Aug 02, 2007 at 04:53:43PM +0300, Jonathan Dieter wrote:
What about extending the cpio format? Something called cpio2, perhaps.
The main problem with using cpio is that individual files have a limit
of 2GB (which isn't a problem in most cases, but it is a limit).  Why
not push a newer cpio format that changes all 16-bit and 32-bit records
to 64-bit (along with specifying endienness)?

Actually the cpio format used in rpm is 'newc', which encodes
all values as 8 ASCII bytes of hex. So it's a 4 GB size limit.

But, as already said, it's not just the cpio format you'd have
to extend, it's also rpm's header data.

Extending the header data is a quite solvable; I don't think it's even all that difficult. There was discussion about it more than a year ago, with several options proposed. One was even backward compatible.


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