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deploy: Add ‘--expression’.

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* guix/scripts/deploy.scm (show-help): Add help.
(%options): Add -e and --expression.
(guix-deploy): Use expression and check for invalid flag combinations.

Change-Id: I200c9ff0c9a8c686efff4a21cd33c10429f3c73e
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Richard Sent 2024-12-19 00:37:52 -05:00 committed by Ludovic Courtès
parent 5c54300b78
commit f1c2681542
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GPG key ID: 090B11993D9AEBB5
1 changed files with 15 additions and 2 deletions
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17
guix/scripts/deploy.scm
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@ -2,6 +2,7 @@
;;; Copyright © 2019 David Thompson <davet@gnu.org>
;;; Copyright © 2019 Jakob L. Kreuze <zerodaysfordays@sdf.org>
;;; Copyright © 2020-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2024 Richard Sent <richard@freakingpenguin.com>
;;;
;;; This file is part of GNU Guix.
;;;
@ -59,6 +60,9 @@ (define (show-help)
-V, --version display version information and exit"))
(newline)
(display (G_ "
-e, --expression=EXPR deploy the list of machines EXPR evaluates to"))
(newline)
(display (G_ "
-x, --execute execute the following command on all the machines"))
(newline)
(display (G_ "
@ -74,6 +78,9 @@ (define %options
(lambda args
(show-version-and-exit "guix deploy")))
(option '(#\e "expression") #t #f
(lambda (opt name arg result)
(alist-cons 'expression arg result)))
(option '(#\n "dry-run") #f #f
(lambda (opt name arg result)
(alist-cons 'dry-run? #t result)))
@ -247,10 +254,16 @@ (define (handle-argument arg result)
(opts (parse-command-line args %options (list %default-options)
#:argument-handler handle-argument))
(file (assq-ref opts 'file))
(machines (and file (load-source-file file)))
(expression (assoc-ref opts 'expression))
(machines (or (and file (load-source-file file))
(and expression (read/eval expression))))
(dry-run? (assoc-ref opts 'dry-run?))
(execute-command? (assoc-ref opts 'execute-command?)))
(unless file
(when (and file expression)
(leave (G_ "both '--expression' and a deployment file were provided~%")))
(unless (or file
expression)
(leave (G_ "missing deployment file argument~%")))
(when (and (pair? command) (not execute-command?))