On Tue 07 Mar 2017 16:34, Thomas Danckaert <p...@thomasdanckaert.be> writes:
> It looks like Guile's srfi-37 implementation doesn't process empty > string arguments correctly. For example, here's a stacktrace I get when > executing guix system list-generations "": > > $ guix system list-generations "" > Backtrace: > In ice-9/boot-9.scm: > 160: 15 [catch #t #<catch-closure 188c1c0> ...] > In unknown file: > ?: 14 [apply-smob/1 #<catch-closure 188c1c0>] > In ice-9/boot-9.scm: > 66: 13 [call-with-prompt prompt0 ...] > In ice-9/eval.scm: > 432: 12 [eval # #] > In ice-9/boot-9.scm: > 2404: 11 [save-module-excursion #<procedure 18af900 at > ice-9/boot-9.scm:4051:3 ()>] > 4056: 10 [#<procedure 18af900 at ice-9/boot-9.scm:4051:3 ()>] > 1727: 9 [%start-stack load-stack ...] > 1732: 8 [#<procedure 18c3b70 ()>] > In unknown file: > ?: 7 [primitive-load > "/gnu/store/hnbqdmfh1bwma8nmpai6ci76h5j6bl7j-guix-0.12.0-4.d9da/bin/.guix-real"] > In guix/ui.scm: > 1228: 6 [run-guix-command system "list-generations" ""] > In ice-9/boot-9.scm: > 160: 5 [catch srfi-34 #<procedure 47e1580 at guix/ui.scm:432:2 ()> ...] > 160: 4 [catch system-error ...] > In guix/scripts/system.scm: > 947: 3 [#<procedure 47e2b10 at guix/scripts/system.scm:946:2 ()>] > In ice-9/boot-9.scm: > 160: 2 [catch misc-error #<procedure 47e4c00 at guix/scripts.scm:48:4 > ()> ...] > In srfi/srfi-37.scm: > 220: 1 [next-arg] > In unknown file: > ?: 0 [string-ref "" 0] > > ERROR: In procedure string-ref: > ERROR: Value out of range: 0 Sounds like the right diagnosis to me. Want to submit a patch? :) Andy