109 lines
3.3 KiB
EmacsLisp
109 lines
3.3 KiB
EmacsLisp
;;; guix-help-vars.el --- Variables related to --help output
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;; Copyright © 2015 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 regular expressions to parse various "guix
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;; ... --help" outputs and lists of non-receivable items (system types,
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;; hash formats, etc.).
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;;; Code:
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;;; Regexps for parsing "guix ..." outputs
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(defvar guix-help-parse-option-regexp
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(rx bol " "
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(zero-or-one (group "-" (not (any "- ")))
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",")
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(one-or-more " ")
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(group "--" (one-or-more (or wordchar "-")))
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(group (zero-or-one "[")
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(zero-or-one "="))
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(zero-or-more (not space))
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(one-or-more space)
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(group (one-or-more any)))
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"Common regexp used to find command options.")
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(defvar guix-help-parse-command-regexp
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(rx bol " "
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(group wordchar (one-or-more (or wordchar "-"))))
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"Regexp used to find guix commands.
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'Command' means any option not prefixed with '-'. For example,
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guix subcommand, system action, importer, etc.")
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(defvar guix-help-parse-long-option-regexp
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(rx (or " " ", ")
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(group "--" (one-or-more (or wordchar "-"))
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(zero-or-one "=")))
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"Regexp used to find long options.")
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(defvar guix-help-parse-short-option-regexp
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(rx bol (one-or-more blank)
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"-" (group (not (any "- "))))
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"Regexp used to find short options.")
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(defvar guix-help-parse-package-regexp
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(rx bol (group (one-or-more (not blank))))
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"Regexp used to find names of the packages.")
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(defvar guix-help-parse-list-regexp
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(rx bol (zero-or-more blank) "- "
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(group (one-or-more (or wordchar "-"))))
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"Regexp used to find various lists (lint checkers, graph types).")
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(defvar guix-help-parse-regexp-group 1
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"Parenthesized expression of regexps used to find commands and
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options.")
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;;; Non-receivable lists of system types, hash formats, etc.
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(defvar guix-help-system-types
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'("x86_64-linux" "i686-linux" "armhf-linux" "mips64el-linux")
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"List of supported systems.")
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(defvar guix-help-source-types
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'("package" "all" "transitive")
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"List of supported sources types.")
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(defvar guix-help-hash-formats
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'("nix-base32" "base32" "base16" "hex" "hexadecimal")
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"List of supported hash formats.")
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(defvar guix-help-refresh-subsets
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'("core" "non-core")
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"List of supported 'refresh' subsets.")
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(defvar guix-help-key-policies
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'("interactive" "always" "never")
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"List of supported key download policies.")
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(defvar guix-help-verify-options
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'("repair" "contents")
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"List of supported 'verify' options")
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(defvar guix-help-elpa-archives
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'("gnu" "melpa" "melpa-stable")
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"List of supported ELPA archives.")
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(provide 'guix-help-vars)
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;;; guix-help-vars.el ends here
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