mirror of git://git.savannah.gnu.org/guix.git
148 lines
4.4 KiB
EmacsLisp
148 lines
4.4 KiB
EmacsLisp
;;; guix-read.el --- Minibuffer readers
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;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com>
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;; This file is part of GNU Guix.
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;; GNU Guix is free software; you can redistribute it and/or modify
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;; it 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
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;; (at your option) any later version.
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;; GNU Guix is distributed in the hope that it will be useful,
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;; but 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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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file provides functions to prompt a user for packages, system
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;; types, hash formats and other guix related stuff.
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;;; Code:
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(require 'guix-help-vars)
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(require 'guix-utils)
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(require 'guix-backend)
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(require 'guix-guile)
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;;; Receivable lists of packages, lint checkers, etc.
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(guix-memoized-defun guix-graph-type-names ()
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"Return a list of names of available graph node types."
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(guix-eval-read (guix-make-guile-expression 'graph-type-names)))
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(guix-memoized-defun guix-refresh-updater-names ()
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"Return a list of names of available refresh updater types."
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(guix-eval-read (guix-make-guile-expression 'refresh-updater-names)))
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(guix-memoized-defun guix-lint-checker-names ()
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"Return a list of names of available lint checkers."
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(guix-eval-read (guix-make-guile-expression 'lint-checker-names)))
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(guix-memoized-defun guix-package-names ()
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"Return a list of names of available packages."
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(sort
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;; Work around <https://github.com/jaor/geiser/issues/64>:
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;; list of strings is parsed much slower than list of lists,
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;; so we use 'package-names-lists' instead of 'package-names'.
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;; (guix-eval-read (guix-make-guile-expression 'package-names))
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(mapcar #'car
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(guix-eval-read (guix-make-guile-expression
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'package-names-lists)))
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#'string<))
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(guix-memoized-defun guix-license-names ()
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"Return a list of names of available licenses."
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(guix-eval-read (guix-make-guile-expression 'license-names)))
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(guix-memoized-defun guix-package-locations ()
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"Return a list of available package locations."
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(sort (guix-eval-read (guix-make-guile-expression
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'package-location-files))
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#'string<))
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;;; Readers
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(guix-define-readers
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:completions-var guix-help-system-types
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:single-reader guix-read-system-type
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:single-prompt "System type: ")
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(guix-define-readers
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:completions-var guix-help-source-types
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:single-reader guix-read-source-type
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:single-prompt "Source type: ")
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(guix-define-readers
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:completions-var guix-help-hash-formats
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:single-reader guix-read-hash-format
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:single-prompt "Hash format: ")
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(guix-define-readers
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:completions-var guix-help-refresh-subsets
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:single-reader guix-read-refresh-subset
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:single-prompt "Refresh subset: ")
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(guix-define-readers
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:completions-getter guix-refresh-updater-names
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:multiple-reader guix-read-refresh-updater-names
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:multiple-prompt "Refresh updater,s: "
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:multiple-separator ",")
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(guix-define-readers
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:completions-var guix-help-key-policies
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:single-reader guix-read-key-policy
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:single-prompt "Key policy: ")
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(guix-define-readers
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:completions-var guix-help-elpa-archives
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:single-reader guix-read-elpa-archive
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:single-prompt "ELPA archive: ")
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(guix-define-readers
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:completions-var guix-help-verify-options
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:multiple-reader guix-read-verify-options
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:multiple-prompt "Verify option,s: "
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:multiple-separator ",")
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(guix-define-readers
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:completions-getter guix-graph-type-names
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:single-reader guix-read-graph-type
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:single-prompt "Graph node type: ")
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(guix-define-readers
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:completions-getter guix-lint-checker-names
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:multiple-reader guix-read-lint-checker-names
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:multiple-prompt "Linter,s: "
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:multiple-separator ",")
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(guix-define-readers
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:completions-getter guix-package-names
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:single-reader guix-read-package-name
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:single-prompt "Package: "
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:multiple-reader guix-read-package-names
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:multiple-prompt "Package,s: "
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:multiple-separator " ")
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(guix-define-readers
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:completions-getter guix-license-names
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:single-reader guix-read-license-name
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:single-prompt "License: ")
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(guix-define-readers
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:completions-getter guix-package-locations
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:single-reader guix-read-package-location
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:single-prompt "Location: ")
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(provide 'guix-read)
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;;; guix-read.el ends here
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