bug#22536: guix lint

Danny Milosavljevic skribis: (string-pad-middle "http://foo"; "bar 34 B/s" 80) > "http://foobar 34 B/s" > > Arguments against it are (o: questionable mitigation, leaning heavily > against; *: against it with OK mitigation; X: definitel

bug#22536: guix lint

> There may other places to fix, see . Yeah, there's one at guix/build/download.scm in function "progress-proc". I checked what "string-pad-middle" - which is used by the function "progress-proc" - does and I... object to it in priciple. What it does is add padding