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scripts: home: Wire and document --expression flag.

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* guix/scripts/home.scm (show-help): Add --expression option.
(%options): Likewise.
* doc/guix.texi (Invoking guix home): Document it.
This commit is contained in:
Pierre Langlois 2021-09-28 22:50:39 +01:00
parent 62a24dd9a1
commit 20bc9ecc20
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2 changed files with 22 additions and 1 deletions
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guix/scripts/home.scm
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@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Andrew Tropin <andrew@trop.in>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;; Copyright © 2021 Pierre Langlois <pierre.langlois@gmx.com>
;;;
;;; This file is part of GNU Guix.
;;;
@ -86,6 +87,9 @@ Some ACTIONS support additional ARGS.\n"))
(show-build-options-help)
(display (G_ "
-e, --expression=EXPR consider the home-environment EXPR evaluates to
instead of reading FILE, when applicable"))
(display (G_ "
-v, --verbosity=LEVEL use the given verbosity LEVEL"))
(newline)
(display (G_ "
@ -115,6 +119,9 @@ Some ACTIONS support additional ARGS.\n"))
(let ((level (string->number* arg)))
(alist-cons 'verbosity level
(alist-delete 'verbosity result)))))
(option '(#\e "expression") #t #f
(lambda (opt name arg result)
(alist-cons 'expression arg result)))
%standard-build-options))
(define %default-options