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# Gentoo Linux Bash Shell Command Completion
#
# Copyright 1999-2013 Gentoo Authors
# Distributed under the terms of the GNU General Public License, v2 or later

#
# webapp-config completion
#

_webapp_complete_appver()
{
    local x proot ibase cur="$2"
    eval $(. @GENTOO_PORTAGE_EPREFIX@/etc/vhosts/webapp-config ; \
        echo proot="${MY_PERSISTROOT:-@GENTOO_PORTAGE_EPREFIX@/var/db/webapps}" ; \
        echo ibase="${WA_INSTALLSBASE:-installs}")

    case "$1" in
    # complete on installed
    installed)
        COMPREPLY=($(compgen -W "$(\
        for x in ${proot}/*/*/installs ; do \
            if [[ -f "${x}" ]] ; then \
            local y="${x%/*}" ; \
            y="${y%/*}" ; \
            echo "${y##*/}" ; \
            fi ; \
        done)" -- ${cur}))
        ;;

    # complete on uninstalled
    uninstalled)
        COMPREPLY=($(compgen -W "$(\
        for x in ${proot}/*/* ; do \
            if [[ ! -f "${x}/${ibase}" ]] ; then \
            local y="${x%/*}" ; \
            echo "${y##*/}" ; \
            fi ; \
        done)" -- ${cur}))
        ;;

    # all
    all)
        COMPREPLY=($(compgen -W "$(\
        for x in ${proot}/* ; do \
            [[ -d "${x}" ]] && echo "${x##*/}" ; \
        done)" -- ${cur}))
        ;;

    # complete on version
    *)
        [[ -d "${proot}/$1" ]] || return 1
        COMPREPLY=($(compgen -W "$(\
        for x in ${proot}/$1/* ; do \
            [[ -d "${x}" ]] && echo "${x##*/}" ; \
        done)" -- ${cur}))
        ;;
    esac
}

_webapp_config()
{
    local cur prev actions opts hostroot
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"

    actions="-I --install -U --upgrade -C --clean --list-installs \
    --list-unused-installs --show-installed --show-postinst \
    --help -v --version"
    opts="--bug-report --pretend -p -u --user -g --group \
    -d --dir -h --host -V --verbose --soft --secure --virtual-dirs \
    --virtual-files --force-virtual"

    eval $(. @GENTOO_PORTAGE_EPREFIX@/etc/vhosts/webapp-config ; \
    echo hostroot="${VHOST_ROOT:-@GENTOO_PORTAGE_EPREFIX@/var/www}")

    # --bug-report, --pretend, and -p can only be used as first arg
    if [[ ${COMP_CWORD} -gt 1 ]] ; then
        opts="${opts/--bug-report --pretend -p}"
    fi

    if [[ "${cur}" == -* ]] || [[ ${COMP_CWORD} -eq 1 ]] ; then
        COMPREPLY=($(compgen -W "${opts} ${actions}" -- ${cur}))
        return 0
    fi

    case "${prev}" in
        --bug-report|-p|--pretend)
        COMPREPLY=($(compgen -W "${opts} ${actions}" -- ${cur}))
        ;;

        -I|--install)
            _webapp_complete_appver all ${cur}
            ;;

        -U|--upgrade)
            _webapp_complete_appver installed ${cur}
            ;;

        # only complete on -d since it is required if -C is specified
        -C|--clean)
            COMPREPLY=($(compgen -W "-d" -- ${cur}))
            ;;

        --list-unused-installs)
            _webapp_complete_appver uninstalled ${cur}
            ;;

        --list-installs|--show-postinst)
            _webapp_complete_appver all ${cur}
            ;;

        #  hrm... anyone know a better way to reliably do this?
        -h|--host)
            local x
            COMPREPLY=($(compgen -W "$(\
                for x in ${hostroot}/* ; do \
                    [[ -d "${x}" ]] && echo "${x##*/}" ; \
                done)" -- ${cur}))
            ;;

        --virtual*)
            COMPREPLY=($(compgen -W "server-owned config-owned virtual" \
            -- ${cur}))
            ;;

        -d|--dir)
        local host x i=0
                # see if --host has been specified, and if so, get the value
                # that was passed to it.
        for x in ${COMP_WORDS[@]} ; do
            if [[ "${x}" == "-h" || "${x}" == "--host" ]] ; then
            host="${COMP_WORDS[((i+1))]}"
            break
            fi
            i=$((i+1))
        done

                # otherwise, use the default host
        if [[ "${host}" == "" ]] ; then
            eval $(. @GENTOO_PORTAGE_EPREFIX@/etc/vhosts/webapp-config ; \
            echo host="${VHOST_HOSTNAME:-localhost}")
        fi

            COMPREPLY=($(compgen -W "$(\
            for x in ${hostroot}${host}/* ; do \
            [[ -d "${x}" ]] && echo "${x}" ; \
            done)" -- ${cur}))
            ;;
        -u|--user)
            COMPREPLY=($(compgen -u -- ${cur}))
            ;;
        -g|--group)
            COMPREPLY=($(compgen -g -- ${cur}))
            ;;

        # we haven't recognized it yet, so more than likely ${prev}
        # is a 'app-name' ; assuming it is indeed a valid 'app-name'
        # (_webapp_complete_appver does the check), complete on available
        # 'app-version's
        *)
            _webapp_complete_appver ${prev} ${cur} || \
                    _webapp_complete_appver all ${cur}
            ;;
    esac
} &&
complete -F _webapp_config webapp-config

# vim: ft=sh:et:ts=4:sw=4:tw=80