bug#55270: unpack phase randomly changes the cwd

[Liliana Marie Prikler]

Am Donnerstag, dem 05.05.2022 um 11:16 +0000 schrieb Attila Lendvai:
> at the end of the unpack phase, the working directory is changed to a
> random directory.
> 
> https://git.savannah.gnu.org/cgit/guix.git/tree/guix/build/gnu-build-system.scm#n178
> 
> this is fine *when* the archive contains a single dir... but this
> DWIM'ness has just burned 15 mintues of my life, and i recommend
> removing it.
url-fetch/tarbomb: Now this looks like a job for me.