bug#40428: closed (Cannot use inferiors in manifest)

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Your message dated Sat, 04 Apr 2020 18:54:34 +0200
with message-id <address@hidden>
and subject line Re: bug#40428: Cannot use inferiors in manifest
has caused the debbugs.gnu.org bug report #40428,
regarding Cannot use inferiors in manifest
to be marked as done.

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40428: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=40428
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--- Begin Message --- Subject: Cannot use inferiors in manifest Date: Sat, 04 Apr 2020 17:20:31 +0200 User-agent: Notmuch/0.29.3 (https://notmuchmail.org) Emacs/26.3 (x86_64-pc-linux-gnu)

Hello,

On the current 'master' branch, using an inferior in a manifest will
cause a crash in 'compute-guix-derivation' as reported in
<https://lists.gnu.org/archive/html/help-guix/2020-04/msg00010.html>.

It can be reproduced by taking the inferior example from the manual:
https://guix.gnu.org/manual/en/guix.html#Inferiors

..and running 'guix build --no-grafts -n -m inferior-example.scm'.

I've attempted to bisect it, but it is difficult because once you have
successfully passed 'compute-guix-derivation', the problem is no longer
reproducible, even on known "bad" commits.  So for every successful test
a new commit/channel must be chosen.

Here is a backtrace from a bad commit:

Backtrace:
In ice-9/boot-9.scm:
    152:2 19 (with-fluid* _ _ _)
    152:2 18 (with-fluid* _ _ _)
    142:2 17 (dynamic-wind _ _ #<procedure 7fe4c47d3020 at ice-9/eva…>)
    829:9 16 (catch _ _ #<procedure 7fe4c47dd540 at ice-9/eval.scm:…> …)
    829:9 15 (catch _ _ #<procedure 7fe4c443eb70 at ice-9/eval.scm:…> …)
    152:2 14 (with-fluid* _ _ _)
    152:2 13 (with-fluid* _ _ _)
    142:2 12 (dynamic-wind _ _ #<procedure 7fe4c4006b00 at ice-9/eva…>)
    152:2 11 (with-fluid* _ _ _)
    152:2 10 (with-fluid* _ _ _)
    152:2  9 (with-fluid* _ _ _)
    705:2  8 (call-with-prompt ("build handler") #<procedure 7fe497…> …)
In unknown file:
           7 (_ #<procedure 7fe497a71020 at ice-9/eval.scm:330:13 ()> …)
In ice-9/eval.scm:
    619:8  6 (_ #(#(#(#<directory (guix ui) 7fe4c699f960>) #<s…> …) …))
   626:19  5 (_ #(#(#(#<directory (guix ui) 7fe4c699f960>) #<s…> …) …))
In guix/derivations.scm:
    357:5  4 (substitution-oracle #<store-connection 256.99 7fe4b6b…> …)
   329:16  3 (derivation-input-fold #<procedure 7fe4c4bfc868 at gui…> …)
In ice-9/eval.scm:
    619:8  2 (_ #(#(#(#(#<directory (guix store) 7fe4c68d3…>) …) …) …))
    619:8  1 (_ #(#(#<directory (guix store) 7fe4c68d3c80> #<var…> …)))
In unknown file:
           0 (put-bytevector #<closed: file 7fe4c3a77620> #vu8(1 0 …) …)

ERROR: In procedure put-bytevector:
In procedure put-bytevector: Wrong type argument in position 1 (expecting open 
output port): #<closed: file 7fe4c3a77620>

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--- End Message ---

> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#40428: Cannot use inferiors in manifest
>
>
>
>
> Date: 
>
> Sat, 04 Apr 2020 18:54:34 +0200
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)
>
>
>
>
> Hi Marius,
>
> Marius Bakke <address@hidden> skribis:
>
> > ERROR: In procedure put-bytevector:
> > In procedure put-bytevector: Wrong type argument in position 1 (expecting 
> > open output port): #<closed: file 7fe4c3a77620>
>
> This is now fixed in 8ed597f4a261fe188de82cd1f5daed83dba948eb.
>
> Thanks for investigating!
>
> Ludo’.
>
>
> --- End Message ---