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;;; guix-read.el --- Minibuffer readers
;; Copyright © 2015, 2016 Alex Kost <alezost@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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file provides functions to prompt a user for packages, system
;; types, hash formats and other guix related stuff.
;;; Code:
(require 'guix-help-vars)
(require 'guix-utils)
(require 'guix-backend)
(require 'guix-guile)
;;; Receivable lists of packages, lint checkers, etc.
(guix-memoized-defun guix-graph-type-names ()
"Return a list of names of available graph node types."
(guix-eval-read (guix-make-guile-expression 'graph-type-names)))
(guix-memoized-defun guix-refresh-updater-names ()
"Return a list of names of available refresh updater types."
(guix-eval-read (guix-make-guile-expression 'refresh-updater-names)))
(guix-memoized-defun guix-lint-checker-names ()
"Return a list of names of available lint checkers."
(guix-eval-read (guix-make-guile-expression 'lint-checker-names)))
(guix-memoized-defun guix-package-names ()
"Return a list of names of available packages."
(sort
;; Work around <https://github.com/jaor/geiser/issues/64>:
;; list of strings is parsed much slower than list of lists,
;; so we use 'package-names-lists' instead of 'package-names'.
;; (guix-eval-read (guix-make-guile-expression 'package-names))
(mapcar #'car
(guix-eval-read (guix-make-guile-expression
'package-names-lists)))
#'string<))
(guix-memoized-defun guix-license-names ()
"Return a list of names of available licenses."
(guix-eval-read (guix-make-guile-expression 'license-names)))
(guix-memoized-defun guix-package-locations ()
"Return a list of available package locations."
(sort (guix-eval-read (guix-make-guile-expression
'package-location-files))
#'string<))
;;; Readers
(guix-define-readers
:completions-var guix-help-system-types
:single-reader guix-read-system-type
:single-prompt "System type: ")
(guix-define-readers
:completions-var guix-help-source-types
:single-reader guix-read-source-type
:single-prompt "Source type: ")
(guix-define-readers
:completions-var guix-help-hash-formats
:single-reader guix-read-hash-format
:single-prompt "Hash format: ")
(guix-define-readers
:completions-var guix-help-refresh-subsets
:single-reader guix-read-refresh-subset
:single-prompt "Refresh subset: ")
(guix-define-readers
:completions-getter guix-refresh-updater-names
:multiple-reader guix-read-refresh-updater-names
:multiple-prompt "Refresh updater,s: "
:multiple-separator ",")
(guix-define-readers
:completions-var guix-help-key-policies
:single-reader guix-read-key-policy
:single-prompt "Key policy: ")
(guix-define-readers
:completions-var guix-help-elpa-archives
:single-reader guix-read-elpa-archive
:single-prompt "ELPA archive: ")
(guix-define-readers
:completions-var guix-help-verify-options
:multiple-reader guix-read-verify-options
:multiple-prompt "Verify option,s: "
:multiple-separator ",")
(guix-define-readers
:completions-getter guix-graph-type-names
:single-reader guix-read-graph-type
:single-prompt "Graph node type: ")
(guix-define-readers
:completions-getter guix-lint-checker-names
:multiple-reader guix-read-lint-checker-names
:multiple-prompt "Linter,s: "
:multiple-separator ",")
(guix-define-readers
:completions-getter guix-package-names
:single-reader guix-read-package-name
:single-prompt "Package: "
:multiple-reader guix-read-package-names
:multiple-prompt "Package,s: "
:multiple-separator " ")
(guix-define-readers
:completions-getter guix-license-names
:single-reader guix-read-license-name
:single-prompt "License: ")
(guix-define-readers
:completions-getter guix-package-locations
:single-reader guix-read-package-location
:single-prompt "Location: ")
(provide 'guix-read)
;;; guix-read.el ends here
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