From b40cab7892939f10cf366ee08b8a045a38e1fe78 Mon Sep 17 00:00:00 2001
From: Pierre Langlois <pierre.langlois@gmx.com>
Date: Tue, 28 Sep 2021 22:50:39 +0100
Subject: [PATCH] scripts: home: Wire and document --expression flag.
* guix/scripts/home.scm (show-help): Add --expression option.
(%options): Likewise.
* doc/guix.texi (Invoking guix home): Document it.
---
doc/guix.texi | 16 +++++++++++++++-
guix/scripts/home.scm | 7 +++++++
2 files changed, 22 insertions(+), 1 deletion(-)
@@ -79,7 +79,7 @@ Copyright @copyright{} 2020 Jack Hill@*
Copyright @copyright{} 2020 Naga Malleswari@*
Copyright @copyright{} 2020, 2021 Brice Waegeneire@*
Copyright @copyright{} 2020 R Veera Kumar@*
-Copyright @copyright{} 2020 Pierre Langlois@*
+Copyright @copyright{} 2020, 2021 Pierre Langlois@*
Copyright @copyright{} 2020 pinoaffe@*
Copyright @copyright{} 2020 André Batista@*
Copyright @copyright{} 2020, 2021 Alexandru-Sergiu Marton@*
@@ -36090,6 +36090,20 @@ $ guix home list-generations 10d
@end table
+@var{options} can contain any of the common build options (@pxref{Common
+Build Options}). In addition, @var{options} can contain one of the
+following:
+
+@table @option
+
+@item --expression=@var{expr}
+@itemx -e @var{expr}
+Consider the home-environment @var{expr} evaluates to.
+This is an alternative to specifying a file which evaluates to a home
+environment.
+
+@end table
+
@node Documentation
@chapter Documentation
@@ -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
--
2.33.0