bug#25719: "guix package -i" exception should be a normal error message

[zimoun <zimon.toutoune@gmail.com>]

Hi Danny,

This old bug #25719 is about exception and error message.  See:

    <http://issues.guix.gnu.org/issue/25719>

On Tue, 14 Feb 2017 at 09:41, Danny Milosavljevic <dannym@scratchpost.org> wrote:
> When I have network problems sometimes I get a backtrace like this:

First, do you still experiment such behaviour?  Since it 3 years old.

> ...
> substitute: 1727: 3 [%start-stack load-stack #<procedure a97d60 at ice-9/boot-9.scm:4047:10 ()>]
> substitute: 1732: 2 [#<procedure a99b70 ()>]
> substitute: In unknown file:
> substitute:    ?: 1 [primitive-load "/gnu/store/175nlv448nk5kagwwl3zyy2w4726qfz6-guix-0.12.0-4.d9da/bin/.guix-real"]
> substitute: In guix/ui.scm:
> substitute: 1228: 0 [run-guix-command substitute "--query"]
> substitute: 
> substitute: guix/ui.scm:1228:8: In procedure run-guix-command:
> substitute: guix/ui.scm:1228:8: Throw to key `bad-response' with args `("Bad Response-Line: ~s" (""))'.
>
> It might make sense to
>
> (a) convert that into a normal runtime error message and

What do you mean?

> (b) Fallback to substituteless building (maybe only for this thing).

Is it not the case currently?


All the best,
simon