I’ve used an installer built from this commit:
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Generation 214 May 02 2022 21:44:14 (current)
repository URL: https://git.savannah.gnu.org/git/guix.git
During installation, ‘guix system init’ displays dots instead of
progress bars for downloads and such.
This suggests that ‘display-download-progress’ gets #:tty? #f. This may
be a side effect of running it in a pipe in