diff options
author | Ludovic Courtès <ludo@gnu.org> | 2019-09-24 10:11:38 +0200 |
---|---|---|
committer | Ludovic Courtès <ludo@gnu.org> | 2019-09-24 10:11:38 +0200 |
commit | 11da634a6e64afa2904542e2174aa2a185f9ac3a (patch) | |
tree | 5aeb8e6bd01761813650067af492b1c336886e34 /guix/scripts/show.scm | |
parent | e5efdbce21a0afcbb3e73cc7b59111ccf62cb532 (diff) | |
parent | 7b3f56f5d7f4d2bb936e1579ed442e7f5b080abd (diff) | |
download | guix-patches-11da634a6e64afa2904542e2174aa2a185f9ac3a.tar guix-patches-11da634a6e64afa2904542e2174aa2a185f9ac3a.tar.gz |
Merge branch 'master' into core-updates
Diffstat (limited to 'guix/scripts/show.scm')
-rw-r--r-- | guix/scripts/show.scm | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/guix/scripts/show.scm b/guix/scripts/show.scm new file mode 100644 index 0000000000..ef64b5755b --- /dev/null +++ b/guix/scripts/show.scm @@ -0,0 +1,76 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2019 Simon Tournier <zimon.toutoune@gmail.com> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix is free software; you can redistribute it and/or modify it +;;; under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 3 of the License, or (at +;;; your option) any later version. +;;; +;;; GNU Guix is distributed in the hope that it will be useful, but +;;; WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +(define-module (guix scripts show) + #:use-module (guix ui) + #:use-module (guix scripts package) + #:use-module ((guix scripts build) + #:select (%standard-build-options)) + #:use-module (guix scripts) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-26) + #:use-module (srfi srfi-37) + #:export (guix-show)) + +(define (show-help) + (display (G_ "Usage: guix show [OPTION] PACKAGE... +Show details about PACKAGE.")) + (display (G_" +This is an alias for 'guix package --show='.\n")) + (newline) + (display (G_ " + -h, --help display this help and exit")) + (display (G_ " + -V, --version display version information and exit")) + (newline) + (display (G_ " + -L, --load-path=DIR prepend DIR to the package module search path")) + (newline) + (show-bug-report-information)) + +(define %options + ;; Specification of the command-line options. + (list (option '(#\h "help") #f #f + (lambda args + (show-help) + (exit 0))) + (option '(#\V "version") #f #f + (lambda args + (show-version-and-exit "guix show"))) + + (find (lambda (option) + (member "load-path" (option-names option))) + %standard-build-options))) + +(define (guix-show . args) + (define (handle-argument arg result) + ;; Treat all non-option arguments as regexps. + (cons `(query show ,arg) + result)) + + (define opts + (args-fold* args %options + (lambda (opt name arg . rest) + (leave (G_ "~A: unrecognized option~%") name)) + handle-argument + '())) + + (unless (assoc-ref opts 'query) + (leave (G_ "missing arguments: no package to show~%"))) + + (guix-package* opts)) |