359 lines
9.0 KiB
Plaintext
359 lines
9.0 KiB
Plaintext
# GNU Guix --- Functional package management for GNU
|
||
# Copyright © 2015-2022 Ludovic Courtès <ludo@gnu.org>
|
||
# Copyright © 2021 Tobias Geerinck-Rice <me@tobias.gr>
|
||
#
|
||
# This file is part of GNU Guix.
|
||
#
|
||
# GNU Guix is free software; you can redistribute it and/or modify it
|
||
# under the terms of the GNU General Public License as published by
|
||
# the Free Software Foundation; either version 3 of the License, or (at
|
||
# your option) any later version.
|
||
#
|
||
# GNU Guix is distributed in the hope that it will be useful, but
|
||
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
# GNU General Public License for more details.
|
||
#
|
||
# You should have received a copy of the GNU General Public License
|
||
# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
# Bash completion for Guix commands.
|
||
|
||
declare _guix_available_packages
|
||
declare _guix_commands
|
||
|
||
_guix_complete_command ()
|
||
{
|
||
local word_at_point="${COMP_WORDS[$COMP_CWORD]}"
|
||
if [ -z "$_guix_commands" ]
|
||
then
|
||
# Cache the list of commands to speed things up.
|
||
_guix_commands="$(${COMP_WORDS[0]} --help 2> /dev/null \
|
||
| grep '^ ' \
|
||
| sed '-es/^ *\([a-z-]\+\).*$/\1/g')"
|
||
fi
|
||
|
||
COMPREPLY+=($(compgen -W "$_guix_commands" -- "$word_at_point"))
|
||
}
|
||
|
||
_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_CWORD]}"))
|
||
}
|
||
|
||
_guix_complete_available_package ()
|
||
{
|
||
local prefix="$1"
|
||
if [ -z "$_guix_available_packages" ]
|
||
then
|
||
# Cache the complete list because it rarely changes and makes
|
||
# completion much faster.
|
||
_guix_available_packages="$(${COMP_WORDS[0]} package -A 2> /dev/null \
|
||
| cut -f1)"
|
||
fi
|
||
COMPREPLY+=($(compgen -W "$_guix_available_packages" -- "$prefix"))
|
||
}
|
||
|
||
_guix_complete_installed_package ()
|
||
{
|
||
# Here we do not cache the list of installed packages because that
|
||
# may change over time and the list is relatively small anyway.
|
||
local prefix="$1"
|
||
local packages="$(${COMP_WORDS[0]} package -I "^$prefix" 2> /dev/null \
|
||
| cut -f1)"
|
||
COMPREPLY+=($(compgen -W "$packages" -- "$prefix"))
|
||
}
|
||
|
||
_guix_complete_option ()
|
||
{
|
||
local command="${COMP_WORDS[$1]}"
|
||
local subcommand="${COMP_WORDS[$(($1 + 1))]}"
|
||
|
||
if [ $1 -eq 0 ]
|
||
then
|
||
command=""
|
||
subcommand=""
|
||
elif _guix_is_option "$subcommand"
|
||
then
|
||
subcommand=""
|
||
fi
|
||
|
||
local options="$(${COMP_WORDS[0]} $command $subcommand --help 2> /dev/null \
|
||
| grep '^ \+-' \
|
||
| sed -e's/^.*--\([a-zA-Z0-9_-]\+\)\(=\?\).*/--\1\2/g')"
|
||
compopt -o nospace
|
||
COMPREPLY+=($(compgen -W "$options" -- "$2"))
|
||
}
|
||
|
||
_guix_is_option ()
|
||
{
|
||
case "$1" in
|
||
-*)
|
||
true
|
||
;;
|
||
*)
|
||
false
|
||
;;
|
||
esac
|
||
}
|
||
|
||
_guix_is_removing ()
|
||
{
|
||
local word
|
||
local result="false"
|
||
for word in ${COMP_WORDS[*]}
|
||
do
|
||
case "$word" in
|
||
--remove|--remove=*|-r)
|
||
result=true
|
||
break
|
||
;;
|
||
esac
|
||
done
|
||
$result
|
||
}
|
||
|
||
_guix_is_short_option ()
|
||
{
|
||
case "${COMP_WORDS[$COMP_CWORD - 1]}" in
|
||
--*) false;;
|
||
-*$1) true ;;
|
||
*) false ;;
|
||
esac
|
||
}
|
||
|
||
_guix_is_long_option ()
|
||
{
|
||
# Don't handle (non-GNU?) ‘--long-option VALUE’, as Guix doesn't either.
|
||
case "${COMP_WORDS[$COMP_CWORD]}" in
|
||
--$1=*) true ;;
|
||
*) false ;;
|
||
esac
|
||
}
|
||
|
||
_guix_is_dash_f ()
|
||
{
|
||
_guix_is_short_option f ||
|
||
_guix_is_long_option file ||
|
||
_guix_is_long_option install-from-file ||
|
||
_guix_is_long_option whole-file
|
||
}
|
||
|
||
_guix_is_dash_l ()
|
||
{
|
||
_guix_is_short_option l ||
|
||
_guix_is_long_option load
|
||
}
|
||
|
||
_guix_is_dash_L ()
|
||
{
|
||
_guix_is_short_option L ||
|
||
_guix_is_long_option load-path
|
||
}
|
||
|
||
_guix_is_dash_m ()
|
||
{
|
||
_guix_is_short_option m ||
|
||
_guix_is_long_option manifest
|
||
}
|
||
|
||
_guix_is_dash_C ()
|
||
{
|
||
_guix_is_short_option C ||
|
||
_guix_is_long_option channels
|
||
}
|
||
|
||
_guix_is_dash_p ()
|
||
{
|
||
_guix_is_short_option p ||
|
||
_guix_is_long_option profile
|
||
}
|
||
|
||
_guix_complete_file ()
|
||
{
|
||
# Let Readline complete file names.
|
||
compopt -o default
|
||
COMPREPLY=()
|
||
}
|
||
|
||
_guix_complete_available_package_or_store_file ()
|
||
{
|
||
_guix_complete_available_package "$@"
|
||
|
||
# The current _guix_complete_file implementation doesn't compose (append to
|
||
# COMPREPLY), so we suggest file names only if no package names matched.
|
||
if [[ -z "$COMPREPLY" ]]
|
||
then
|
||
_guix_complete_file # TODO: restrict to store files
|
||
fi
|
||
}
|
||
|
||
_guix_complete_pid ()
|
||
{
|
||
local pids="$(cd /proc; echo [0-9]*)"
|
||
COMPREPLY+=($(compgen -W "$pids" -- "$1"))
|
||
}
|
||
|
||
_guix_complete ()
|
||
{
|
||
local word_count=${#COMP_WORDS[*]}
|
||
local word_at_point="${COMP_WORDS[$COMP_CWORD]}"
|
||
|
||
# Find the innermost command at point, e.g. "build" in the case of
|
||
# "guix time-machine OPTIONS -- build<Tab>" -- but "time-machine" if
|
||
# point is moved before "build".
|
||
local command_index=0
|
||
local command
|
||
local word_index=0
|
||
local word
|
||
local expect_command="true"
|
||
while [[ $((++word_index)) -le COMP_CWORD ]]
|
||
do
|
||
word="${COMP_WORDS[$word_index]}"
|
||
if $expect_command
|
||
then
|
||
command_index=$word_index
|
||
command="$word"
|
||
expect_command="false"
|
||
continue
|
||
fi
|
||
if [[ "$word" = "--" ]]
|
||
then
|
||
case "$command" in
|
||
environment|shell)
|
||
break
|
||
;;
|
||
time-machine)
|
||
expect_command="true"
|
||
;;
|
||
esac
|
||
fi
|
||
done
|
||
|
||
case $COMP_CWORD in
|
||
$command_index)
|
||
_guix_complete_command
|
||
_guix_complete_option 0 "$word_at_point"
|
||
;;
|
||
*)
|
||
if [[ "$command" = "package" ]]
|
||
then
|
||
if _guix_is_dash_L || _guix_is_dash_m || _guix_is_dash_p || _guix_is_dash_f
|
||
then
|
||
_guix_complete_file
|
||
elif _guix_is_removing
|
||
then
|
||
_guix_complete_installed_package "$word_at_point"
|
||
else
|
||
_guix_complete_available_package "$word_at_point"
|
||
fi
|
||
elif [[ "$command" = "install" ]]
|
||
then
|
||
if _guix_is_dash_L || _guix_is_dash_m || _guix_is_dash_p
|
||
then
|
||
_guix_complete_file
|
||
else
|
||
_guix_complete_available_package "$word_at_point"
|
||
fi
|
||
elif [[ "$command" = "upgrade" || "$command" = "remove" ]]
|
||
then
|
||
if _guix_is_dash_L || _guix_is_dash_m || _guix_is_dash_p
|
||
then
|
||
_guix_complete_file
|
||
else
|
||
_guix_complete_installed_package "$word_at_point"
|
||
fi
|
||
elif [[ "$command" = "build" ]]
|
||
then
|
||
if _guix_is_dash_L || _guix_is_dash_m || _guix_is_dash_f
|
||
then
|
||
_guix_complete_file
|
||
else
|
||
_guix_complete_available_package_or_store_file "$word_at_point"
|
||
fi
|
||
elif [[ "$command" = "environment" || "$command" = "shell" ]]
|
||
then
|
||
if _guix_is_dash_f && [[ "$command" = "shell" ]]
|
||
then
|
||
# The otherwise identical ‘guix environment’ lacks the ‘-f’ option.
|
||
_guix_complete_file
|
||
elif _guix_is_dash_L || _guix_is_dash_m || _guix_is_dash_p || _guix_is_dash_l
|
||
then
|
||
_guix_complete_file
|
||
elif _guix_is_option "$word_at_point"
|
||
then
|
||
_guix_complete_option "$command_index" "$word_at_point"
|
||
else
|
||
_guix_complete_available_package "$word_at_point"
|
||
fi
|
||
elif [[ "$command" = "download" || "$command" = "gc" || "$command" = "hash" ]]
|
||
then
|
||
_guix_complete_file
|
||
elif [[ "$command" = "size" ]]
|
||
then
|
||
_guix_complete_available_package_or_store_file "$word_at_point"
|
||
elif [[ "$command" = "system" || "$command" = "home" ]]
|
||
then
|
||
case $((COMP_CWORD - command_index)) in
|
||
1) _guix_complete_subcommand;;
|
||
*) _guix_complete_file;; # TODO: restrict to *.scm
|
||
esac
|
||
elif [[ "$command" = "pull" ]]
|
||
then
|
||
if _guix_is_dash_C || _guix_is_dash_p
|
||
then
|
||
_guix_complete_file
|
||
fi
|
||
elif [[ "$command" = "time-machine" ]]
|
||
then
|
||
if _guix_is_dash_C
|
||
then
|
||
_guix_complete_file
|
||
else
|
||
_guix_complete_option "$command_index" "$word_at_point"
|
||
fi
|
||
elif [[ "$command" = "container" ]]
|
||
then
|
||
case $((COMP_CWORD - command_index)) in
|
||
1) _guix_complete_subcommand;;
|
||
2) _guix_complete_pid "$word_at_point";;
|
||
*) _guix_complete_file;;
|
||
esac
|
||
elif [[ "$command" = "import" ]]
|
||
then
|
||
_guix_complete_subcommand
|
||
elif [[ "$command" = "weather" ]]
|
||
then
|
||
if _guix_is_dash_m
|
||
then
|
||
_guix_complete_file
|
||
else
|
||
_guix_complete_available_package "$word_at_point"
|
||
fi
|
||
elif [[ "$command" = "style" ]]
|
||
then
|
||
if _guix_is_dash_f
|
||
then
|
||
_guix_complete_file
|
||
else
|
||
_guix_complete_available_package "$word_at_point"
|
||
fi
|
||
else
|
||
_guix_complete_available_package "$word_at_point"
|
||
fi
|
||
;;
|
||
esac
|
||
|
||
if [[ -z "$COMPREPLY" && COMP_CWORD -gt command_index ]] &&
|
||
_guix_is_option "$word_at_point"
|
||
then
|
||
_guix_complete_option "$command_index" "$word_at_point"
|
||
fi
|
||
}
|
||
|
||
complete -F _guix_complete guix
|