76 lines
2.5 KiB
Scheme
76 lines
2.5 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019, 2021 Simon Tournier <zimon.toutoune@gmail.com>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix scripts show)
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#:use-module (guix ui)
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#:use-module (guix scripts package)
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#:use-module ((guix scripts build)
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#:select (%standard-build-options))
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#:use-module (guix scripts)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-37)
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#:export (guix-show))
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(define (show-help)
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(display (G_ "Usage: guix show [OPTION] PACKAGE...
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Show details about PACKAGE."))
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(display (G_"
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This is an alias for 'guix package --show='.\n"))
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(newline)
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(display (G_ "
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-h, --help display this help and exit"))
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(display (G_ "
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-V, --version display version information and exit"))
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(newline)
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(display (G_ "
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-L, --load-path=DIR prepend DIR to the package module search path"))
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(newline)
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(show-bug-report-information))
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(define %options
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;; Specification of the command-line options.
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(list (option '(#\h "help") #f #f
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(lambda args
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(leave-on-EPIPE (show-help))
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(exit 0)))
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(option '(#\V "version") #f #f
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(lambda args
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(show-version-and-exit "guix show")))
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(find (lambda (option)
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(member "load-path" (option-names option)))
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%standard-build-options)))
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(define-command (guix-show . args)
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(synopsis "show information about packages")
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(define (handle-argument arg result)
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;; Treat all non-option arguments as regexps.
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(cons `(query show ,arg)
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result))
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(define opts
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(parse-command-line args %options (list (list))
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#:build-options? #f
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#:argument-handler handle-argument))
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(unless (assoc-ref opts 'query)
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(leave (G_ "missing arguments: no package to show~%")))
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(guix-package* (reverse opts)))
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