emacs/guix-help-vars.el

   1 ;;; guix-help-vars.el --- Variables related to --help output
   2
   3 ;; Copyright © 2015 Alex Kost <alezost@gmail.com>
   4
   5 ;; This file is part of GNU Guix.
   6
   7 ;; GNU Guix is free software; you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation, either version 3 of the License, or
  10 ;; (at your option) any later version.
  11
  12 ;; GNU Guix is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 ;;; Commentary:
  21
  22 ;; This file provides regular expressions to parse various "guix
  23 ;; ... --help" outputs and lists of non-receivable items (system types,
  24 ;; hash formats, etc.).
  25
  26 ;;; Code:
  27
  28 \f
  29 ;;; Regexps for parsing "guix ..." outputs
  30
  31 (defvar guix-help-parse-option-regexp
  32   (rx bol "  "
  33       (zero-or-one (group "-" (not (any "- ")))
  34                    ",")
  35       (one-or-more " ")
  36       (group "--" (one-or-more (or wordchar "-")))
  37       (group (zero-or-one "[")
  38              (zero-or-one "="))
  39       (zero-or-more (not space))
  40       (one-or-more space)
  41       (group (one-or-more any)))
  42   "Common regexp used to find command options.")
  43
  44 (defvar guix-help-parse-command-regexp
  45   (rx bol "   "
  46       (group wordchar (one-or-more (or wordchar "-"))))
  47   "Regexp used to find guix commands.
  48 'Command' means any option not prefixed with '-'.  For example,
  49 guix subcommand, system action, importer, etc.")
  50
  51 (defvar guix-help-parse-long-option-regexp
  52   (rx (or "  " ", ")
  53       (group "--" (one-or-more (or wordchar "-"))
  54              (zero-or-one "=")))
  55   "Regexp used to find long options.")
  56
  57 (defvar guix-help-parse-short-option-regexp
  58   (rx bol (one-or-more blank)
  59       "-" (group (not (any "- "))))
  60   "Regexp used to find short options.")
  61
  62 (defvar guix-help-parse-package-regexp
  63   (rx bol (group (one-or-more (not blank))))
  64   "Regexp used to find names of the packages.")
  65
  66 (defvar guix-help-parse-list-regexp
  67   (rx bol (zero-or-more blank) "- "
  68       (group (one-or-more (or wordchar "-"))))
  69   "Regexp used to find various lists (lint checkers, graph types).")
  70
  71 (defvar guix-help-parse-regexp-group 1
  72   "Parenthesized expression of regexps used to find commands and
  73 options.")
  74
  75 \f
  76 ;;; Non-receivable lists of system types, hash formats, etc.
  77
  78 (defvar guix-help-system-types
  79   '("x86_64-linux" "i686-linux" "armhf-linux" "mips64el-linux")
  80   "List of supported systems.")
  81
  82 (defvar guix-help-source-types
  83   '("package" "all" "transitive")
  84   "List of supported sources types.")
  85
  86 (defvar guix-help-hash-formats
  87   '("nix-base32" "base32" "base16" "hex" "hexadecimal")
  88   "List of supported hash formats.")
  89
  90 (defvar guix-help-refresh-subsets
  91   '("core" "non-core")
  92   "List of supported 'refresh' subsets.")
  93
  94 (defvar guix-help-key-policies
  95   '("interactive" "always" "never")
  96   "List of supported key download policies.")
  97
  98 (defvar guix-help-verify-options
  99   '("repair" "contents")
 100   "List of supported 'verify' options")
 101
 102 (defvar guix-help-elpa-archives
 103   '("gnu" "melpa" "melpa-stable")
 104   "List of supported ELPA archives.")
 105
 106 (provide 'guix-help-vars)
 107
 108 ;;; guix-help-vars.el ends here