# pkg-get.completion completion                            -*- shell-script -*-
#
# Copyright 2006 Yann Rouillard <yann@opencsw.org>

_have pkg-get && 
_pkg-get_get_catalog_file()
{
    local url="$1"
    local catalog_file i conffile

    for file in /etc/opt/csw/pkg-get.conf /opt/csw/etc/pkg-get.conf /etc/pkg-get.conf; do
        if [[ -f $file ]]; then
            conffile="$file"
            break
        fi
    done
    conffile="${conffile:-/opt/csw/etc/pkg-get.conf}"

    if [[ -z "$url" ]]; then
        url=$(awk -F= ' $1=="url" { print $2 }' $conffile)
    fi

    catalog_file="${url##*//}"
    catalog_file="${catalog_file%%/*}"
    catalog_file="/var/pkg-get/catalog-$catalog_file"

    echo "$catalog_file"
} &&
_pkg-get()
{
    local cur prev file catalog_file url command
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"

    if [[ "${prev}" = "-s" ]]; then
        return 1
    fi

    i=${#COMP_WORDS[*]} 
    while [[ $i -gt 0 ]]; do
        i=$((i-1))
        if [[ "${COMP_WORDS[$i]}" = "-s" ]]; then
            url="${COMP_WORDS[$((i+1))]}"
        fi
        if [[ "${COMP_WORDS[$i]}" == @(available|-a|describe|-D|download|-d|install|-i|list|updatecatalog|-U|upgrade|-u) ]]; then
            command="${COMP_WORDS[$i]}"
        fi
    done

    if [[ -n "$command" ]]; then
        if [[ "$command" == @(describe|-D|download|-d|install|-i) ]]; then
            catalog_file=$(_pkg-get_get_catalog_file "$url")
            if [[ -f $catalog_file ]]; then
                local packages_list=$(awk ' $0 ~ /BEGIN PGP SIGNATURE/ { exit } $1 ~ /^Hash:/ || $1 ~ /^ *(-|#|$)/ { next } { print $1 }' $catalog_file)
                COMPREPLY=( $(compgen -W "${packages_list}" -- ${cur}) )
            fi
        fi
        return 0
    fi

    if [[ ${cur} == -* ]] ; then
        local opts="-c -d -D -f -i -l -s -S -u -U -v"
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    else
        local commands="available describe download install list \
            updatecatalog upgrade"
        COMPREPLY=( $(compgen -W "${commands}" -- ${cur}) )
        return 0
    fi
} &&
complete -F _pkg-get pkg-get

# ex: ts=4 sw=4 et filetype=sh