[ipxe-devel] removing urinstring

Christoph Schug chris+ipxe-devel at schug.net
Wed Aug 19 11:21:38 UTC 2015

On 2015-08-12 17:27, Fabrice Bacchella wrote:
> It was removed in this commit
> :https://github.com/ipxe/ipxe/commit/09b057ce841156cf8dfb8d356d36b046d875cdf4
> [1]
> But I have to problems with it.
> First the documentation was not udpated, that's not helpfull
> http://ipxe.org/cfgtype/string [2].
> But worst it suppose it's only needed in HTTP url, but that's wrong.

I was also bitten by this change in a similar scenario as I was 
(ab)using :uristring to accomplish some hardware-specific lookups to 
construct the proper kernel parameters for serial port access. I helped 
myself by switching over to :hexhyp encoding which doesn't really 
enhance readability.

For example, without a comment, it is not that obvious that I am dealing 
with a HP ProLiant DL380 Gen8 here.

iseq ${manufacturer:hexhyp}__${product:hexhyp} 
48-50__50-72-6f-4c-69-61-6e-74-20-44-4c-33-38-30-20-47-65-6e-38 && set 
console_args console=tty0 console=ttyS1,115200n8

It would be really great, if :uristring would be restored again or iseq 
would be able to deal with whitespaces somehow. Quoting comes to mind, 
but I can imaging that this would introduce a whole lot more of 

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