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ssh: 'send-files' reports missing modules on the remote host.

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Reported by Mikael Djurfeldt <mikael@djurfeldt.com>
in <https://bugs.gnu.org/40125>.

* guix/ssh.scm (send-files)[inferior-remote-eval*]: New procedure.
[missing]: Use it.  Add an explicit 'resolve-module' call.
(report-inferior-exception): New procedure.
This commit is contained in:
Ludovic Courtès 2020-03-23 10:08:41 +01:00
parent 1eb27d5cae
commit 8f53d73493
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1 changed files with 20 additions and 2 deletions
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22
guix/ssh.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -405,11 +405,24 @@ (define* (send-files local files remote
"Send the subset of FILES from LOCAL (a local store) that's missing to
REMOTE, a remote store. When RECURSIVE? is true, send the closure of FILES.
Return the list of store items actually sent."
(define (inferior-remote-eval* exp session)
(guard (c ((inferior-exception? c)
(match (inferior-exception-arguments c)
(('quit 7)
(report-module-error (remote-store-host remote)))
(_
(report-inferior-exception c (remote-store-host remote))))))
(inferior-remote-eval exp session)))
;; Compute the subset of FILES missing on SESSION and send them.
(let* ((files (if recursive? (requisites local files) files))
(session (channel-get-session (store-connection-socket remote)))
(missing (inferior-remote-eval
(missing (inferior-remote-eval*
`(begin
(eval-when (load expand eval)
(unless (resolve-module '(guix) #:ensure #f)
(exit 7)))
(use-modules (guix)
(srfi srfi-1) (srfi srfi-26))
@ -567,4 +580,9 @@ (define (report-module-error host)
check.")
host)))
(define (report-inferior-exception exception host)
"Report EXCEPTION, an &inferior-exception that occurred on HOST."
(raise-error (G_ "exception occurred on remote host '~A': ~s")
host (inferior-exception-arguments exception)))
;;; ssh.scm ends here