challenge: Use exit code 2 when discrepancies are found.

Suggested by John Darrington <john@darrington.wattle.id.au>.

* guix/scripts/challenge.scm (guix-challenge): Exit with 2 when MISSING
is not empty.
* doc/guix.texi (Invoking guix challenge): Document it.
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Ludovic Courtès 2016-04-27 23:33:17 +02:00
parent 151065d02a
commit a17417a812
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2 changed files with 4 additions and 3 deletions

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@ -5609,7 +5609,8 @@ guix challenge @var{options} [@var{packages}@dots{}]
When a difference is found between the hash of a locally-built item and
that of a server-provided substitute, or among substitutes provided by
different servers, the command displays it as in the example above and
exits with a non-zero return code.
its exit code is 2 (other non-zero exit codes denote other kinds of
errors.)
The one option that matters is:

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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -237,7 +237,7 @@ (define (guix-challenge . args)
(issues (discrepancies items urls)))
(for-each summarize-discrepancy issues)
(unless (null? issues)
(exit 1))
(exit 2))
(return (null? issues)))
#:system system)))))))