nix/module/common/bash/module/Autocomplete.sh
2024-03-04 03:04:57 +03:00

84 lines
1.9 KiB
Bash

# Bash autocomplete.
# There are also options like -o nospace. see man for more info.
# Usage: _foo() { _autocomplete "{foo,bar}" } ; complete -F _foo foo
function _autocomplete() {
local IFS=$'\n'
local commands="${*}"
COMPREPLY=()
local cur="${COMP_WORDS[COMP_CWORD]}"
local prev="${COMP_WORDS[COMP_CWORD-1]}"
local command="${COMP_WORDS[0]}"
COMPREPLY=( $(compgen -W "${commands}" -- ${cur}) )
return 0
}
# Autocomplete only first argument.
function _autocomplete_first() {
local IFS=$'\n'
local commands="${*}"
COMPREPLY=()
local cur="${COMP_WORDS[COMP_CWORD]}"
local prev="${COMP_WORDS[COMP_CWORD-1]}"
local command="${COMP_WORDS[0]}"
if [[ "${prev}" = "${command}" ]]; then
COMPREPLY=( $(compgen -W "${commands}" -- ${cur}) )
return 0
fi
}
# Autocomplete only first argument and the rest with files.
function _autocomplete_first_ls() {
local IFS=$'\n'
local commands="${*}"
COMPREPLY=()
local cur="${COMP_WORDS[COMP_CWORD]}"
local prev="${COMP_WORDS[COMP_CWORD-1]}"
local command="${COMP_WORDS[0]}"
if [[ "${prev}" = "${command}" ]]; then
COMPREPLY=( $(compgen -W "${commands}" -- ${cur}) )
return 0
else
COMPREPLY=( $(compgen -W "$(ls)" -- ${cur}) )
return 0
fi
}
# Autocomplete by grepping file names.
function _autocomplete_grep() {
local IFS=$'\n'
COMPREPLY=()
local pattern="${1}"
local cur="${COMP_WORDS[COMP_CWORD]}"
local prev="${COMP_WORDS[COMP_CWORD-1]}"
local command="${COMP_WORDS[0]}"
COMPREPLY=( $(compgen -W "$(ls | grep -E ${pattern})" -- ${cur}) )
return 0
}
# Autocomplete nested program.
function _autocomplete_nested() {
# local IFS=$'\n'
local cur prev words cword split i
_init_completion -s || return
for ((i = 1; i <= cword; i++)); do
if [[ ${words[i]} != -* ]]; then
local PATH=$PATH:/sbin:/usr/sbin:/usr/local/sbin
local root_command=${words[i]}
_command_offset ${i}
return
fi
done
}