bug#65773: html updater may fail when page has moved (guix refresh gambit-c)

[Maxim Cournoyer <maxim.cournoyer@gmail.com>]

Hi,

Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:

> Hi,
>
> Attempting to 'guix refresh gambit-c' currently fails like:
>
> ./pre-inst-env guix refresh gambit-c
> Backtrace:
> In ice-9/eval.scm:
>     619:8 19 (_ #(#(#<directory (guile-user) 7f98520bfc80>)))
> In guix/ui.scm:
>    2323:7 18 (run-guix . _)
>   2286:10 17 (run-guix-command _ . _)
> In ice-9/boot-9.scm:
>   1752:10 16 (with-exception-handler _ _ #:unwind? _ # _)
>   1752:10 15 (with-exception-handler _ _ #:unwind? _ # _)
> In guix/store.scm:
>    659:37 14 (thunk)
>   2168:25 13 (run-with-store #<store-connection 256.99 7f983bf81eb0> …)
> In guix/scripts/refresh.scm:
>    632:14 12 (_ _)
> In srfi/srfi-1.scm:
>     634:9 11 (for-each #<procedure 7f983740aab0 at guix/scripts/ref…> …)
> In guix/scripts/refresh.scm:
>    402:10 10 (check-for-package-update #<<update-spec> package: #<p…> …)
> In srfi/srfi-1.scm:
>    858:15  9 (any1 #<procedure 7f983740aa80 at guix/upstream.scm:25…> …)
> In guix/import/utils.scm:
>     131:4  8 (call-with-networking-exception-handler _)
> In ice-9/boot-9.scm:
>   1752:10  7 (with-exception-handler _ _ #:unwind? _ # _)
> In guix/gnu-maintenance.scm:
>    643:18  6 (import-html-release _ _ #:rewrite-url? _ #:version _ # …)
>     568:6  5 (rewrite-url _ "4.9.5" #:to-version _)
> In srfi/srfi-1.scm:
>    460:18  4 (fold #<procedure 7f9837412d40 at guix/gnu-maintenance…> …)
> In guix/gnu-maintenance.scm:
>    603:25  3 (_ _ _)
> In ice-9/boot-9.scm:
>   1685:16  2 (raise-exception _ #:continuable? _)
>   1685:16  1 (raise-exception _ #:continuable? _)
>   1685:16  0 (raise-exception _ #:continuable? _)
>
> ice-9/boot-9.scm:1685:16: In procedure raise-exception:
> no candidates found in rewrite-url

Mitigated with 589384102f ("gnu-maintenance: Do not error when there are
no candidates.").

-- 
Thanks,
Maxim