GNU bug report logs - #26987
guix pull without guile-ssh.

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From: Mathieu Othacehe <m.othacehe <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 26987 <at> debbugs.gnu.org
Subject: bug#26987: [PATCH 2/2] build: pull: Fix compilation list construction.
Date: Fri, 19 May 2017 15:55:31 +0200

Hi Ludo,

It seems better but I can't get it to work neither :

>      (find (match-lambda
>              (('ssh _ ...) #t)
>              (_ #f))
> -        (source-module-closure file #:select? (const #t))))
> +          (source-module-closure module #:select? (const #t)))))

                                       ^
                                       we need a list here.
>  
>  (define (all-scheme-files directory)
>    "Return a sorted list of Scheme files found in DIRECTORY."
>
> WDYT?

So with

--8<---------------cut here---------------start------------->8---
(define (depends-on-guile-ssh? file)
  "Return true if FILE is a Scheme source file that depends, directly or
indirectly, on Guile-SSH."
  (let ((module (call-with-input-file file
                  (lambda (port)
                    (match (read port)
                      (('define-module name _ ...)
                       name))))))
    (find (match-lambda
            (('ssh _ ...) #t)
            (_ #f))
          (source-module-closure (list module) #:select? (const #t)))))
--8<---------------cut here---------------end--------------->8---

I get,

--8<---------------cut here---------------start------------->8---
((@@ (guix build pull) depends-on-guile-ssh?) "/home/mathieu/guix/guix/ssh.scm")

ERROR: In procedure open-file:
ERROR: Wrong type (expecting string): #f
--8<---------------cut here---------------end--------------->8---

I'm having a hard time tring to understand ,trace output.

Mathieu

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