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bash completion: Complete subcommands and their options.

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* etc/completion/bash/guix (_guix_complete_subcommand): New function.
(_guix_complete_option): Allow completion of subcommand options.
(_guix_complete): Use '_guix_complete_subcommand' for "system" and
"import".
This commit is contained in:
Ludovic Courtès 2016-09-07 17:33:48 +02:00
parent e9006d06a0
commit f07f7d8614
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GPG key ID: 090B11993D9AEBB5
1 changed files with 21 additions and 7 deletions
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28
etc/completion/bash/guix
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@ -20,6 +20,15 @@
declare _guix_available_packages
_guix_complete_subcommand ()
{
local command="${COMP_WORDS[1]}"
local subcommands="$(${COMP_WORDS[0]} $command --help 2> /dev/null \
| grep '^ [a-z]' \
| sed -e's/^ \+\([a-z-]\+\).*$/\1/g')"
COMPREPLY=($(compgen -W "$subcommands" -- "${COMP_WORDS[${#COMP_WORDS[*]} - 1]}"))
}
_guix_complete_available_package ()
{
local prefix="$1"
@ -45,11 +54,16 @@ _guix_complete_installed_package ()
_guix_complete_option ()
{
local options="$(${COMP_WORDS[0]} ${COMP_WORDS[1]} --help 2> /dev/null \
local subcommand
case "${COMP_WORDS[2]}" in
-*) subcommand="";;
[a-z]*) subcommand="${COMP_WORDS[2]}";;
esac
local options="$(${COMP_WORDS[0]} ${COMP_WORDS[1]} $subcommand --help 2> /dev/null \
| grep '^ \+-' \
| sed -e's/^.*--\([a-zA-Z0-9_-]\+\)\(=\?\).*/--\1\2/g')"
compopt -o nospace
COMPREPLY=($(compgen -W "$options" -- "${COMP_WORDS[$word_count - 1]}"))
COMPREPLY=($(compgen -W "$options" -- "${COMP_WORDS[${#COMP_WORDS[*]} - 1]}"))
}
_guix_is_command ()
@ -140,13 +154,13 @@ _guix_complete ()
fi
elif _guix_is_command "system"
then
_guix_complete_file # TODO: complete sub-commands
_guix_complete_subcommand
elif _guix_is_command "import"
then
_guix_complete_subcommand
elif _guix_is_command "hash"
then
_guix_complete_file
elif _guix_is_command "import" # TODO: complete sub-commands
then
_guix_complete_file
_guix_complete_file
else
_guix_complete_available_package "$word_at_point"
fi