bug#41028: closed (Today's Guile 3 'core-updates' cannot pull yesterday's 2.2 master)

[GNU bug Tracking System]

Your message dated Thu, 07 May 2020 10:12:02 +0200
with message-id <address@hidden>
and subject line Re: bug#41028: Channel/inferior error with core-updates: 
Unbound variable: call-with-new-thread
has caused the debbugs.gnu.org bug report #41028,
regarding Today's Guile 3 'core-updates' cannot pull yesterday's 2.2 master
to be marked as done.

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-- 
41028: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41028
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--- Begin Message --- Subject: Channel/inferior error with core-updates: Unbound variable: call-with-new-thread Date: Sat, 02 May 2020 16:47:49 +0100 User-agent: mu4e 1.2.0; emacs 26.3

Noticed this when testing guix system build with core-updates. Here's a
small example which reproduces the issue:


(use-modules (guix channels)
             (guix inferior))

(define channels
  (list (channel
         (name 'guix)
         (url "https://git.savannah.gnu.org/git/guix.git";)
         (commit
          "e02c2f85b36ce1c733bd908a210ce1182bdd2560"))))

(define inferior
  (inferior-for-channels channels))

(first (lookup-inferior-packages inferior "linux-libre" "5.2.21"))


If you save that as a file then attempt to build it:


→ guix build -f test.scm 
Updating channel 'guix' from Git repository at 
'https://git.savannah.gnu.org/git/guix.git'...
Backtrace:
           4 (primitive-load "/gnu/store/8mv5bpjgxg9c369xnbb5rf1kv9r?")
In ice-9/eval.scm:
    619:8  3 (_ #(#(#(#(#(#(#(#(#(#(#(?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
   182:19  2 (proc #(#(#(#(#(#(#(#(#(#(# ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
   142:16  1 (compile-top-call #<directory (guile-user) 7f1e0abc1f00> ?)
In unknown file:
           0 (%resolve-variable (7 . call-with-new-thread) #<directo?>)

ERROR: In procedure %resolve-variable:
Unbound variable: call-with-new-thread
guix build: error: You found a bug: the program 
'/gnu/store/8mv5bpjgxg9c369xnbb5rf1kv9r6z5hw-compute-guix-derivation'
failed to compute the derivation for Guix (version: 
"e02c2f85b36ce1c733bd908a210ce1182bdd2560"; system: "x86_64-linux";
host version: "a8cb1e72ef351330d1521833c1b270dcc0da593f"; pull-version: 1).
Please report it by email to <address@hidden>.

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--- End Message ---

> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#41028: Channel/inferior error with core-updates: Unbound variable: call-with-new-thread
>
>
>
>
> Date: 
>
> Thu, 07 May 2020 10:12:02 +0200
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)
>
>
>
>
> Hey!
>
> Ludovic Courtès <address@hidden> skribis:
>
> > The attached patches add a mechanism to patch the Guix source tree, and
> > then use that mechanism to add the missing (ice-9 threads) import.  With
> > this I can do:
> >
> >   ./pre-inst-env guix time-machine \
> >      --commit=e02c2f85b36ce1c733bd908a210ce1182bdd2560 -- build linux-libre
> >
> > … which is a simple way to do what the manifest above was about.
>
> Given the enthusiasm expressed on IRC, I went ahead and pushed.  :-)
>
>   ff3ca7979e channels: Add patch for <https://bugs.gnu.org/41028>.
>   053b10c3ef channels: Add mechanism to patch checkouts of the 'guix channel.
>   4ba425060a channels: Add 'latest-channel-instance'.
>
> So… it might be that today is merge day?
>
> Ludo’.
>
>
> --- End Message ---