[bug#40130] [PATCH 5/8] deploy: Use 'with-build-handler'.

[Ludovic Courtès]

Until now, 'guix deploy' would never display what is going to be built.

* guix/scripts/deploy.scm (guix-deploy): Wrap 'for-each' in
'with-build-handler'.
---
 guix/scripts/deploy.scm | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)

diff --git a/guix/scripts/deploy.scm b/guix/scripts/deploy.scm
index ad05c333dc..a82dde00a4 100644
--- a/guix/scripts/deploy.scm
+++ b/guix/scripts/deploy.scm
@@ -108,19 +108,21 @@ Perform the deployment specified by FILE.\n"))
     (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)))))
+                    machines))))))
-- 
2.25.1