# Debian aptitude(1) completion                            -*- shell-script -*-

_have grep-status && {
_comp_dpkg_hold_packages()
{
    grep-status -P -e "^$1" -a -FStatus 'hold' -n -s Package
}
} || {
_comp_dpkg_hold_packages()
{
    command grep -B 2 'hold' /var/lib/dpkg/status | \
        awk "/Package: $1/ { print \$2 }"
}
}

_aptitude()
{
    local cur prev words cword
    _init_completion || return

    local dashoptions='-S -u -i -h --help --version -s --simulate -d
        --download-only -P --prompt -y --assume-yes -F --display-format -O
        --sort -w --width -f -r -g --with-recommends -R -G --without-recommends
        -t --target-release -V --show-versions -D --show-deps -Z -v --verbose
        --purge-unused --schedule-only'

    local special i
    for (( i=0; i < ${#words[@]}-1; i++ )); do
        if [[ ${words[i]} == @(@(|re)install|@(|un)hold|@(|un)markauto|@(dist|full|safe)-upgrade|download|show|forbid-version|purge|remove|changelog|why@(|-not)|keep@(|-all)|build-dep|@(add|remove)-user-tag|versions) ]]; then
            special=${words[i]}
        fi
        #exclude some mutually exclusive options
        [[ ${words[i]} == '-u' ]] && dashoptions=${dashoptions/-i}
        [[ ${words[i]} == '-i' ]] && dashoptions=${dashoptions/-u}
    done

    if [[ -n "$special" ]]; then
        case $special in
            install|hold|markauto|unmarkauto|dist-upgrade|full-upgrade| \
            safe-upgrade|download|show|changelog|why|why-not|build-dep| \
            add-user-tag|remove-user-tag|versions)
                COMPREPLY=( $( _xfunc apt-cache _apt_cache_packages ) )
                return
                ;;
            purge|remove|reinstall|forbid-version)
                COMPREPLY=( \
                    $( _xfunc dpkg _comp_dpkg_installed_packages "$cur" ) )
                return
                ;;
            unhold)
                COMPREPLY=( $( _comp_dpkg_hold_packages "$cur" ) )
                return
                ;;
        esac
    fi

    case $prev in
        # don't complete anything if these options are found
        autoclean|clean|forget-new|search|upgrade|update|keep-all)
            return
            ;;
        -S)
            _filedir
            return
            ;;
        -t|--target-release|--default-release)
            COMPREPLY=( $( apt-cache policy | \
                command grep "release.o=Debian,a=$cur" | \
                command sed -e "s/.*a=\(\w*\).*/\1/" | uniq 2> /dev/null ) )
            return
            ;;
    esac

    if [[ "$cur" == -* ]]; then
        COMPREPLY=( $( compgen -W "$dashoptions" -- "$cur" ) )
    else
        COMPREPLY=( $( compgen -W 'update upgrade safe-upgrade forget-new
            clean autoclean install reinstall remove hold unhold purge markauto
            unmarkauto why why-not dist-upgrade full-upgrade download search
            show forbid-version changelog keep-all build-dep add-user-tag
            remove-user-tag versions' -- "$cur" ) )
    fi

} &&
complete -F _aptitude -o default aptitude

# ex: filetype=sh
