Re: Problem with guix copy

[Emmanuel Medernach <Emmanuel.Medernach@iphc.cnrs.fr>]

Le 15/03/2024 à 10:14, Emmanuel Medernach a écrit :
> Hello,
>
> I have problems with guix copy: I have 2 machines Machine_A and 
> Machine_B. They both have the same channels.  Machine_B is slow (I 
> don't want to recompile there, I would like to reuse the same packages 
> from Machine_A).  Machine_A and Machine_B have limited connectivity, 
> Machine_A has only ssh access (I cannot use it as a substitute with 
> guix publish) and Machine_B has nothing.
>
> I installed bazel on Machine_A:
>
>
If that could help, here is a minimal manifest and command I use to 
install it in an extra profile:

(specifications->manifest
  '("glibc-locales"
    "bazel"
    ))

# guix package --manifest="$HOME"/manifests/bazel.scm 
--profile="$GUIX_EXTRA_PROFILES"/bazel/profile


> Machine_A # guix build bazel
> /gnu/store/5i872l0ijm7vd9vk2knn67ai3daa6q68-bazel-6.4.0
> Machine_A # readlink -f $GUIX_EXTRA_PROFILES/bazel/profile/bin/bazel
> /gnu/store/5i872l0ijm7vd9vk2knn67ai3daa6q68-bazel-6.4.0/bin/bazel
>
> I tried guix copy, but I have 2 problems:
>
> First, Machine_B asks for a different hash that the one I have on 
> Machine_A (even if both have the same channels):
>
> Machine_B # guix copy --from=Machine_A --dry-run bazel
> guix copy: error: no such item on remote host 'Machine_A': 
> /gnu/store/6n69a11yjydwhb7p8kb6qg20nj5cxrg1-bazel-6.4.0
>
> Second, when I try to copy the package with the hash from Machine_A I 
> get an error:
>
> Machine_B # guix copy --from=Machine_A --dry-run 
> /gnu/store/5i872l0ijm7vd9vk2knn67ai3daa6q68-bazel-6.4.0
> retrieving 1 store item from 'Machine_A'...
> guix copy: error: implementation cannot deal with > 32-bit integers
>
> How to use guix copy to transfer the same packages from one machine to 
> another ?
>
> Here are my current channels:
>
> (list (channel
>         (name 'guix-science)
>         (url "https://github.com/guix-science/guix-science.git")
>         (branch "master")
>         (commit
>          "61836bfd9c3a01b696142aabb625b0851d6fd536")
>         (introduction
>          (make-channel-introduction
>           "b1fe5aaff3ab48e798a4cce02f0212bc91f423dc"
>           (openpgp-fingerprint
>            "CA4F 8CF4 37D7 478F DA05  5FD4 4213 7701 1A37 8446"))))
>        (channel
>         (name 'guix)
>         (url "https://git.savannah.gnu.org/git/guix.git")
>         (branch "master")
>         (commit
>          "7319b4d5286d31a9c6a889e81af72308efdaab41")
>         (introduction
>          (make-channel-introduction
>           "9edb3f66fd807b096b48283debdcddccfea34bad"
>           (openpgp-fingerprint
>            "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA")))))
>
> Thanks for your help
>
> Best regards,
>
> Emmanuel Medernach
>