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# bash completion for update-alternatives -*- shell-script -*-
_comp_cmd_update_alternatives__installed()
{
local i admindir
# find the admin dir
for i in alternatives dpkg/alternatives rpm/alternatives; do
[[ -d /var/lib/$i ]] && admindir=/var/lib/$i && break
done
for ((i = 1; i < cword; i++)); do
if [[ ${words[i]} == --admindir ]]; then
admindir=${words[i + 1]}
break
fi
done
[[ -d $admindir ]] && _comp_compgen_split -- "$(command ls "$admindir")"
}
_comp_cmd_update_alternatives()
{
local cur prev words cword comp_args
_comp_initialize -- "$@" || return
case $prev in
--altdir | --admindir)
_comp_compgen_filedir -d
return
;;
--help | --usage | --version)
return
;;
esac
local mode="" args i
# find which mode to use and how many real args used so far
for ((i = 1; i < cword; i++)); do
if [[ ${words[i]} == --@(install|remove|auto|display|config|remove-all|set) ]]; then
mode=${words[i]}
args=$((cword - i))
break
fi
done
case ${mode-} in
--install)
case $args in
1 | 3)
_comp_compgen_filedir
;;
2)
_comp_cmd_update_alternatives__installed
;;
4)
# priority - no completions
;;
*)
case $((args % 4)) in
0 | 2)
_comp_compgen_filedir
;;
1)
_comp_compgen -- -W '--slave'
;;
3)
_comp_cmd_update_alternatives__installed
;;
esac
;;
esac
;;
--remove | --set)
case $args in
1)
_comp_cmd_update_alternatives__installed
;;
2)
_comp_compgen_filedir
;;
esac
;;
--auto | --remove-all | --display | --config)
_comp_cmd_update_alternatives__installed
;;
*)
_comp_compgen_help
;;
esac
} &&
complete -F _comp_cmd_update_alternatives update-alternatives alternatives
# ex: filetype=sh
|
