Re: Smaller compressed kernel source tarballs?

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Paulo Marques wrote:
H. Peter Anvin wrote:
Michael Tokarev wrote:
[...]
On the site it's said lzma(sdk) is under rewrite to support
new format with magic number and crc checks...

That is an absolute must, IMO.  I would use the gzip format as a base.

If you're suggesting a gzip like format (but with different magic, etc.), that's ok.

However, it has been suggested on similar threads to use the CM field of the gzip format to introduce different compression methods.

While this is the purpose of this field, I find this to be a very bad idea. The worse part of it is that, after "lzma gzip" files start to proliferate, you never know if you can decompress a .gz with your version of gunzip, which is something that you currently have for granted.

If more formats start being supported inside gzip, this only gets worse...


Doesn't mean that one should name the files .gz.

A more significant reason to not do this is that I think there are a lot of programs out where which only check the magic number and not the compression format.

	-hpa
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