[Bug ld/32003] Specifying --package-metadata might not be possible and is too fragile

[bdrung at posteo dot de]

https://sourceware.org/bugzilla/show_bug.cgi?id=32003

--- Comment #31 from Benjamin Drung <bdrung at posteo dot de> ---
(In reply to Andreas K. Huettel from comment #29)
> > 
> > Option A: Introduce a new --encoded-package-metadata parameter that takes
> > the encoded string.
> > 
> > Option B: Extend --package-metadata to always decode the given string. As
> > previously discussed, package names and version should not contain percent
> > characters. So this change should not break backward compatibility.
> > 
> 
> What are you going to do once you run into command line length limits
> (which can be hidden in many places)?
> 
> (How much mystery data are we really talking about here?)

The command line length limit is probably around 128 KB on Linux. The package
metadata contains only a few items. The examples given in this bug report are
real world examples. So even with encoding this example is around 250
characters. With longer package/version and added debuginfod URL, you might get
500 or up to 1000 characters. This is probably still far enough away from the
command line length limit.

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