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emacs: Add completions for 'guix graph'.

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* emacs/guix-pcomplete.el (guix-pcomplete-parse-linter-regexp): Improve
  and rename to ...
  (guix-pcomplete-parse-list-regexp): ...this.  New variable.
  (guix-pcomplete-lint-checkers): Use it.
  (guix-pcomplete-graph-types): New function.
  (guix-pcomplete-complete-command-arg): Complete package names for
  'guix graph' command.
  (guix-pcomplete-complete-option-arg): Complete '-t/--type' option.
This commit is contained in:
Alex Kost 2015-08-27 17:50:01 +03:00
parent 89949e8f54
commit f2638f0b37
1 changed files with 18 additions and 6 deletions
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24
emacs/guix-pcomplete.el
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@ -54,9 +54,10 @@ guix subcommand, system action, importer, etc.")
"-" (group (not (any "- "))))
"Regexp used to find short options.")
(defvar guix-pcomplete-parse-linter-regexp
(rx bol "- " (group (one-or-more (or wordchar "-"))))
"Regexp used to find 'lint' checkers.")
(defvar guix-pcomplete-parse-list-regexp
(rx bol (zero-or-more blank) "- "
(group (one-or-more (or wordchar "-"))))
"Regexp used to find various lists (lint checkers, graph types).")
(defvar guix-pcomplete-parse-regexp-group 1
"Parenthesized expression of regexps used to find commands and
@ -169,10 +170,17 @@ subcommands, actions, etc. for this guix COMMAND."
(guix-memoized-defun guix-pcomplete-lint-checkers ()
"Return a list of all available lint checkers."
(guix-pcomplete-run-guix-and-search
guix-pcomplete-parse-linter-regexp
guix-pcomplete-parse-list-regexp
guix-pcomplete-parse-regexp-group
"lint" "--list-checkers"))
(guix-memoized-defun guix-pcomplete-graph-types ()
"Return a list of all available graph types."
(guix-pcomplete-run-guix-and-search
guix-pcomplete-parse-list-regexp
guix-pcomplete-parse-regexp-group
"graph" "--list-types"))
;;; Completing
@ -254,8 +262,8 @@ group - the argument.")
"Complete argument for guix COMMAND."
(cond
((member command
'("archive" "build" "edit" "environment" "lint" "refresh"
"size"))
'("archive" "build" "graph" "edit" "environment"
"lint" "refresh" "size"))
(while t
(pcomplete-here (guix-pcomplete-all-packages))))
(t (pcomplete-here* (pcomplete-entries)))))
@ -311,6 +319,10 @@ INPUT is the current partially completed string."
(option? "-r" "--root"))
(complete* (pcomplete-entries)))
((and (command? "graph")
(option? "-t" "--type"))
(complete* (guix-pcomplete-graph-types)))
((and (command? "environment")
(option? "-l" "--load"))
(complete* (pcomplete-entries)))