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deploy: Honor '--dry-run'.

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* guix/scripts/deploy.scm (%options): Add "dry-run".
(show-what-to-deploy): Add #:dry-run? and honor it.
(guix-deploy): Honor --dry-run.
This commit is contained in:
Ludovic Courtès 2022-07-17 16:34:01 +02:00
parent c9a37f57cb
commit ff94f9dfde
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1 changed files with 22 additions and 10 deletions
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32
guix/scripts/deploy.scm
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@ -76,6 +76,9 @@ (define %options
(lambda args
(show-version-and-exit "guix deploy")))
(option '(#\n "dry-run") #f #f
(lambda (opt name arg result)
(alist-cons 'dry-run? #t result)))
(option '(#\x "execute") #f #f
(lambda (opt name arg result)
(alist-cons 'execute-command? #t result)))
@ -110,14 +113,20 @@ (module (make-user-module (append '((gnu) (gnu machine))
environment-modules))))
(load* file module)))
(define (show-what-to-deploy machines)
(define* (show-what-to-deploy machines #:key (dry-run? #f))
"Show the list of machines to deploy, MACHINES."
(let ((count (length machines)))
(format (current-error-port)
(N_ "The following ~d machine will be deployed:~%"
"The following ~d machines will be deployed:~%"
(if dry-run?
(format (current-error-port)
(N_ "The following ~d machine would be deployed:~%"
"The following ~d machines would be deployed:~%"
count)
count)
count)
(format (current-error-port)
(N_ "The following ~d 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)
", ")
@ -241,6 +250,7 @@ (define (handle-argument arg result)
#:argument-handler handle-argument))
(file (assq-ref opts 'file))
(machines (and file (load-source-file file)))
(dry-run? (assoc-ref opts 'dry-run?))
(execute-command? (assoc-ref opts 'execute-command?)))
(unless file
(leave (G_ "missing deployment file argument~%")))
@ -254,7 +264,8 @@ (define (handle-argument arg result)
(with-build-handler (build-notifier #:use-substitutes?
(assoc-ref opts 'substitutes?)
#:verbosity
(assoc-ref opts 'verbosity))
(assoc-ref opts 'verbosity)
#:dry-run? dry-run?)
(parameterize ((%graft? (assq-ref opts 'graft?)))
(if execute-command?
(match command
@ -270,7 +281,8 @@ (define (handle-argument arg result)
(_
(leave (G_ "'-x' specified but no command given~%"))))
(begin
(show-what-to-deploy machines)
(map/accumulate-builds store
(cut deploy-machine* store <>)
machines))))))))))
(show-what-to-deploy machines #:dry-run? dry-run?)
(unless dry-run?
(map/accumulate-builds store
(cut deploy-machine* store <>)
machines)))))))))))