emacs: Add help variables.
* emacs/guix-pcomplete.el (guix-pcomplete-parse-package-regexp, guix-pcomplete-parse-command-regexp, guix-pcomplete-parse-long-option-regexp, guix-pcomplete-parse-short-option-regexp, guix-pcomplete-parse-list-regexp, guix-pcomplete-parse-regexp-group, guix-pcomplete-systems, guix-pcomplete-hash-formats, guix-pcomplete-refresh-subsets, guix-pcomplete-key-policies): Move and rename to ... * emacs/guix-help-vars.el (guix-help-parse-package-regexp, guix-help-parse-command-regexp, guix-help-parse-long-option-regexp, guix-help-parse-short-option-regexp, guix-help-parse-list-regexp, guix-help-parse-regexp-group, guix-help-system-types, guix-help-hash-formats, guix-help-refresh-subsets, guix-help-key-policies): ...here. New file. (guix-help-parse-option-regexp, guix-help-source-types, guix-help-verify-options, guix-help-elpa-archives): New variables. * emacs.am (ELFILES): Add "guix-help-vars.el".
This commit is contained in:
Alex Kost
parent
25a2839c9d
commit
26476d5852
3
emacs.am
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emacs.am
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@ -1,5 +1,5 @@
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# GNU Guix --- Functional package management for GNU
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# Copyright © 2014 Alex Kost <alezost@gmail.com>
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# Copyright © 2014, 2015 Alex Kost <alezost@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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@ -22,6 +22,7 @@ ELFILES = \
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emacs/guix-backend.el \
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emacs/guix-base.el \
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emacs/guix-emacs.el \
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emacs/guix-help-vars.el \
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emacs/guix-history.el \
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emacs/guix-info.el \
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emacs/guix-list.el \
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@ -0,0 +1,108 @@
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;;; 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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@ -28,59 +28,7 @@
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(require 'pcmpl-unix)
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(require 'cl-lib)
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(require 'guix-utils)
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;;; Regexps for parsing various "guix ..." outputs
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(defvar guix-pcomplete-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-pcomplete-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-pcomplete-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-pcomplete-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-pcomplete-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-pcomplete-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 completions
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(defvar guix-pcomplete-systems
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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-pcomplete-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-pcomplete-refresh-subsets
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'("core" "non-core")
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"List of supported 'refresh' subsets.")
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(defvar guix-pcomplete-key-policies
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'("interactive" "always" "never")
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"List of supported key download policies.")
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(require 'guix-help-vars)
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;;; Interacting with guix
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@ -128,7 +76,7 @@ function call is returned."
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(let* ((args '("--help"))
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(args (if command (cons command args) args))
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(res (apply #'guix-pcomplete-run-guix-and-search
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,regexp guix-pcomplete-parse-regexp-group args)))
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,regexp guix-help-parse-regexp-group args)))
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,(if filter
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`(funcall ,filter res)
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'res))))
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@ -137,23 +85,23 @@ function call is returned."
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"If COMMAND is nil, return a list of available guix commands.
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If COMMAND is non-nil (it should be a string), return available
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subcommands, actions, etc. for this guix COMMAND."
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guix-pcomplete-parse-command-regexp)
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guix-help-parse-command-regexp)
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(guix-pcomplete-define-options-finder guix-pcomplete-long-options
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"Return a list of available long options for guix COMMAND."
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guix-pcomplete-parse-long-option-regexp)
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guix-help-parse-long-option-regexp)
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(guix-pcomplete-define-options-finder guix-pcomplete-short-options
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"Return a string with available short options for guix COMMAND."
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guix-pcomplete-parse-short-option-regexp
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guix-help-parse-short-option-regexp
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(lambda (list)
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(guix-concat-strings list "")))
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(guix-memoized-defun guix-pcomplete-all-packages ()
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"Return a list of all available Guix packages."
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(guix-pcomplete-run-guix-and-search
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guix-pcomplete-parse-package-regexp
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guix-pcomplete-parse-regexp-group
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guix-help-parse-package-regexp
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guix-help-parse-regexp-group
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"package" "--list-available"))
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(guix-memoized-defun guix-pcomplete-installed-packages (&optional profile)
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@ -162,22 +110,22 @@ subcommands, actions, etc. for this guix COMMAND."
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(list (concat "--profile=" profile))))
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(args (append '("package" "--list-installed") args)))
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(apply #'guix-pcomplete-run-guix-and-search
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guix-pcomplete-parse-package-regexp
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guix-pcomplete-parse-regexp-group
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guix-help-parse-package-regexp
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guix-help-parse-regexp-group
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args)))
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(guix-memoized-defun guix-pcomplete-lint-checkers ()
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"Return a list of all available lint checkers."
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(guix-pcomplete-run-guix-and-search
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guix-pcomplete-parse-list-regexp
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guix-pcomplete-parse-regexp-group
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guix-help-parse-list-regexp
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guix-help-parse-regexp-group
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"lint" "--list-checkers"))
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(guix-memoized-defun guix-pcomplete-graph-types ()
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"Return a list of all available graph types."
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(guix-pcomplete-run-guix-and-search
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guix-pcomplete-parse-list-regexp
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guix-pcomplete-parse-regexp-group
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guix-help-parse-list-regexp
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guix-help-parse-regexp-group
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"graph" "--list-types"))
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@ -283,7 +231,7 @@ INPUT is the current partially completed string."
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((option? "-L" "--load-path")
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(complete* (pcomplete-dirs)))
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((string= "--key-download" option)
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(complete* guix-pcomplete-key-policies))
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(complete* guix-help-key-policies))
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((command? "package")
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(cond
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@ -312,7 +260,7 @@ INPUT is the current partially completed string."
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((and (command? "archive" "build" "size")
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(option? "-s" "--system"))
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(complete* guix-pcomplete-systems))
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(complete* guix-help-system-types))
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((and (command? "build")
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(option? "-r" "--root"))
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@ -328,7 +276,7 @@ INPUT is the current partially completed string."
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((and (command? "hash" "download")
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(option? "-f" "--format"))
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(complete* guix-pcomplete-hash-formats))
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(complete* guix-help-hash-formats))
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((and (command? "lint")
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(option? "-c" "--checkers"))
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@ -341,7 +289,7 @@ INPUT is the current partially completed string."
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((and (command? "refresh")
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(option? "-s" "--select"))
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(complete* guix-pcomplete-refresh-subsets))
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(complete* guix-help-refresh-subsets))
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((and (command? "size")
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(option? "-m" "--map-file"))
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