From ab6025b52cec792312d465107e9b86d7900c5f93 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Sun, 20 Jan 2019 18:11:11 +0100 Subject: channels: Gracefully report the lack of a 'guix' channel. * guix/channels.scm (channel-instance-derivations): Raise an '&message' condition when CORE-INSTANCE is #f. --- guix/channels.scm | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'guix') diff --git a/guix/channels.scm b/guix/channels.scm index eb56c821e5..e588d86b4b 100644 --- a/guix/channels.scm +++ b/guix/channels.scm @@ -28,10 +28,15 @@ #:use-module (guix derivations) #:use-module (guix store) #:use-module (guix i18n) + #:use-module ((guix utils) + #:select (source-properties->location + &error-location)) #:use-module (srfi srfi-1) #:use-module (srfi srfi-2) #:use-module (srfi srfi-9) #:use-module (srfi srfi-11) + #:use-module (srfi srfi-34) + #:use-module (srfi srfi-35) #:autoload (guix self) (whole-package make-config.scm) #:autoload (guix inferior) (gexp->derivation-in-inferior) ;FIXME: circular dep #:use-module (ice-9 match) @@ -345,6 +350,17 @@ INSTANCES." (build-channel-instance instance core deps))) instance)) + (unless core-instance + (let ((loc (and=> (any (compose channel-location channel-instance-channel) + instances) + source-properties->location))) + (raise (apply make-compound-condition + (condition + (&message (message "'guix' channel is lacking"))) + (if loc + (list (condition (&error-location (location loc)))) + '()))))) + (mapm %store-monad instance->derivation instances)) (define (whole-package-for-legacy name modules) -- cgit v1.2.3