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guix build: 'guix build --log-file' gracefully reports certificate errors.

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Previously 'guix build --log-file' would print a backtrace upon X.509
certificate verification errors.

* guix/scripts/build.scm (log-url): Catch 'tls-certificate-error' in
addition to 'getaddrinfo-error'.
This commit is contained in:
Ludovic Courtès 2018-03-26 10:05:54 +02:00
parent e784e2561e
commit 7d85fcde23
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GPG key ID: 090B11993D9AEBB5
1 changed files with 12 additions and 4 deletions
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16
guix/scripts/build.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013 Mark H Weaver <mhw@netris.org>
;;;
;;; This file is part of GNU Guix.
@ -69,13 +69,21 @@ (define* (log-url store file #:key (base-urls %default-log-urls))
found. Return #f if no build log was found."
(define (valid-url? url)
;; Probe URL and return #t if it is accessible.
(catch 'getaddrinfo-error
(catch #t
(lambda ()
(guard (c ((http-get-error? c) #f))
(close-port (http-fetch url #:buffered? #f))
#t))
(lambda _
#f)))
(match-lambda*
(('getaddrinfo-error . _)
#f)
(('tls-certificate-error args ...)
(report-error (G_ "cannot access build log at '~a':~%") url)
(print-exception (current-error-port) #f
'tls-certificate-error args)
(exit 1))
((key . args)
(apply throw key args)))))
(define (find-url file)
(let ((base (basename file)))