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ui: Add top-level options to help text.

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This also makes automated ‘guix --h<Tab>’ completion possible.

* guix/ui.scm (show-guix-help): Document that an OPTION's an option,
and all valid options.
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Tobias Geerinckx-Rice 2021-10-30 15:48:48 +02:00
parent c73d1e68cf
commit 943dd59beb
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1 changed files with 9 additions and 2 deletions
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guix/ui.scm
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@ -2098,8 +2098,15 @@ (define (category-predicate category)
(lambda (command)
(eq? category (command-category command))))
(format #t (G_ "Usage: guix COMMAND ARGS...
Run COMMAND with ARGS.\n"))
(format #t (G_ "Usage: guix OPTION | COMMAND ARGS...
Run COMMAND with ARGS, if given.\n"))
(display (G_ "
-h, --help display this helpful text again and exit"))
(display (G_ "
-V, --version display version and copyright information and exit"))
(newline)
(newline)
(format #t (G_ "COMMAND must be one of the sub-commands listed below:\n"))