GNU bug report logs - #36373
failed copy-file should print path

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Robert Vollmert <rob <at> vllmrt.net>
To: bug-guix <at> gnu.org
Subject: failed copy-file should print path
Date: Tue, 25 Jun 2019 15:12:22 +0200

I just ran into this error while trying to build a go package. There’s no
obvious way to figure out which file caused “permission denied”. I’d like
to both see the non-truncated filename in the backtrace, as well as in
the error message below.

Backtrace:
          10 (primitive-load "/gnu/store/zgwm1vv4vb5i91iphzs8wdqwpxr…")
In ice-9/eval.scm:
   191:35  9 (_ _)
In srfi/srfi-1.scm:
   863:16  8 (every1 #<procedure 65a360 at /gnu/store/zmc0hcmdfg5n4…> …)
In /gnu/store/zmc0hcmdfg5n4kl32vcla4cg9c9bspfg-module-import/guix/build/gnu-build-system.scm:
   799:28  7 (_ _)
In /gnu/store/zmc0hcmdfg5n4kl32vcla4cg9c9bspfg-module-import/guix/build/go-build-system.scm:
    187:8  6 (unpack #:source _ #:import-path _ #:unpack-path _)
In ice-9/ftw.scm:
   452:32  5 (loop _ _ #(2050 670124 16749 19 0 0 0 4096 # 1 # # 8 …) …)
In srfi/srfi-1.scm:
   466:18  4 (fold #<procedure 7a4d80 at ice-9/ftw.scm:452:38 (subd…> …)
In unknown file:
           3 (_ #<procedure 870c60 at ice-9/ftw.scm:454:44 ()> #<pr…> …)
In ice-9/ftw.scm:
   482:39  2 (loop _ _ #(2050 1721126 16749 2 0 0 0 4096 # 1 # # 8 …) …)
In /gnu/store/zmc0hcmdfg5n4kl32vcla4cg9c9bspfg-module-import/guix/build/utils.scm:
   312:27  1 (_ "/gnu/store/69hmclpsln83ldh9c94c0iygj4ajiyrl-go-x-t…" …)
In unknown file:
           0 (copy-file "/gnu/store/69hmclpsln83ldh9c94c0iygj4ajiyr…" …)

ERROR: In procedure copy-file:
In procedure copy-file: Permission denied

Message #8 received at 36373 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Robert Vollmert <rob <at> vllmrt.net>
Cc: 36373 <at> debbugs.gnu.org
Subject: Re: bug#36373: failed copy-file should print path
Date: Thu, 27 Jun 2019 16:58:10 +0200

Hi,

Robert Vollmert <rob <at> vllmrt.net> skribis:

> ERROR: In procedure copy-file:
> In procedure copy-file: Permission denied

Yeah, this is terrible, and really a Guile bug.  In (guix ui), we have
‘error-reporting-wrapper’ that we use to “fix” several functions such as
‘copy-file’ that would otherwise fail to provide the relevant info.

We should really fix it for good in Guile 3.0, though.

Thanks,
Ludo’.

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