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-rw-r--r--guix/scripts/deploy.scm55
1 files changed, 39 insertions, 16 deletions
diff --git a/guix/scripts/deploy.scm b/guix/scripts/deploy.scm
index ad05c333dc..f70d41f35c 100644
--- a/guix/scripts/deploy.scm
+++ b/guix/scripts/deploy.scm
@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 David Thompson <davet@gnu.org>
;;; Copyright © 2019 Jakob L. Kreuze <zerodaysfordays@sdf.org>
+;;; Copyright © 2020 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -97,6 +98,22 @@ Perform the deployment specified by FILE.\n"))
environment-modules))))
(load* file module)))
+(define (show-what-to-deploy machines)
+ "Show the list of machines to deploy, MACHINES."
+ (let ((count (length machines)))
+ (format (current-error-port)
+ (N_ "The following ~*machine will be deployed:~%"
+ "The following ~d machines will be deployed:~%"
+ count)
+ count)
+ (display (indented-string
+ (fill-paragraph (string-join (map machine-display-name machines)
+ ", ")
+ (- (%text-width) 2) 2)
+ 2)
+ (current-error-port))
+ (display "\n\n" (current-error-port))))
+
(define (guix-deploy . args)
(define (handle-argument arg result)
(alist-cons 'file arg result))
@@ -105,22 +122,28 @@ Perform the deployment specified by FILE.\n"))
#:argument-handler handle-argument))
(file (assq-ref opts 'file))
(machines (or (and file (load-source-file file)) '())))
+ (show-what-to-deploy machines)
+
(with-status-verbosity (assoc-ref opts 'verbosity)
(with-store store
(set-build-options-from-command-line store opts)
- (for-each (lambda (machine)
- (info (G_ "deploying to ~a...~%")
- (machine-display-name machine))
- (parameterize ((%graft? (assq-ref opts 'graft?)))
- (guard (c ((message-condition? c)
- (report-error (G_ "failed to deploy ~a: ~a~%")
- (machine-display-name machine)
- (condition-message c)))
- ((deploy-error? c)
- (when (deploy-error-should-roll-back c)
- (info (G_ "rolling back ~a...~%")
- (machine-display-name machine))
- (run-with-store store (roll-back-machine machine)))
- (apply throw (deploy-error-captured-args c))))
- (run-with-store store (deploy-machine machine)))))
- machines)))))
+ (with-build-handler (build-notifier #:use-substitutes?
+ (assoc-ref opts 'substitutes?))
+ (for-each (lambda (machine)
+ (info (G_ "deploying to ~a...~%")
+ (machine-display-name machine))
+ (parameterize ((%graft? (assq-ref opts 'graft?)))
+ (guard (c ((message-condition? c)
+ (report-error (G_ "failed to deploy ~a: ~a~%")
+ (machine-display-name machine)
+ (condition-message c)))
+ ((deploy-error? c)
+ (when (deploy-error-should-roll-back c)
+ (info (G_ "rolling back ~a...~%")
+ (machine-display-name machine))
+ (run-with-store store (roll-back-machine machine)))
+ (apply throw (deploy-error-captured-args c))))
+ (run-with-store store (deploy-machine machine))
+ (info (G_ "successfully deployed ~a~%")
+ (machine-display-name machine)))))
+ machines))))))