Ludovic Courtès <l...@gnu.org> writes:
> Hi! > > Vagrant Cascadian <vagr...@reproducible-builds.org> skribis: > >> What about an argument to "guix challenge" that handles the downloading >> and unpacking to a temporary directory, and possibly another that also >> runs a comparison tool against the results. Maybe something like: >> >> $ guix challenge --download-differences >> /tmp/git-XXXXX/SUBSTITTE-X/...-git-2.5.0 >> /tmp/git-XXXXX/SUBSTITUTE-Y/...-git-2.5.0 >> /gnu/store/...-git-2.5.0 >> >> Downloads and unpacks the substitutes, and outputs the resulting >> directories. >> >> >> $ guix challenge --download-differences --compare-with="diffoscope ..." >> >> This would do the above, plus run diffoscope on the directories >> ... though I think diffoscope can only compare between two things at a >> time... so that might get difficult if many substitutes return results. > > Sounds like a good idea. Perhaps ‘--compare-with’ is actually enough > (it would also download things), dunno. I think it’s fine to have just “--compare-with”, which would print the location of the downloaded things, so you could compare with “echo” if all you wanted is to get the differences. -- Ricardo
