# pear completion by Amir Mohammad Saied <amirsaied@gmail.com>

_pear()
{
    local cur prev commands
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    commands='build bundle channel-add channel-alias channel-delete \
        channel-discover channel-info channel-update clear-cache \
        config-create config-get config-help config-set config-show convert \
        cvsdiff cvstag download download-all help info install list list-all \
        list-channels list-files list-upgrades login logout makerpm package \
        package-dependencies package-validate pickle remote-info remote-list \
        run-scripts run-tests search shell-tests sign uninstall update-channels upgrade upgrade-all'

    case "${prev}" in
        build)
            _filedir
            return 0
            ;;
        bundle)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-d -f --destination --force" -- ${cur}) )
            fi
            return 0
            ;;
        channel-@(alias|delete|info|update))
            _discovered_channels
            return 0
            ;;
        convert)
            _filedir
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-f --flat" -- ${cur}) )
            fi
            return 0
            ;;
        cvsdiff)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-q -Q -D -R -r -c -u -i -b -B -n \
                    --quiet --reallyquiet --date --release --revision \
                    --context --unified --ignore-case --ignore-whitespace \
                    --ignore-blank-lines --brief --dry-run" -- ${cur}) )
            fi
            _filedir
            return 0
            ;;
        cvstag)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-q -Q -F -d -n --quiet \
                    --reallyquiet --slide --delete--dry-run" -- ${cur}) )
            fi
            _filedir
            return 0
            ;;
        download)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-Z --nocompress" -- ${cur}) )
            fi
            return 0
            ;;
        download-all|remote-list)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-c --channel" -- ${cur}) )
            fi
            return 0
            ;;
        install)
            if [[ "${cur}" == -* ]] ; then
                 COMPREPLY=( $(compgen -W "-f -l -n -r -s -B -Z -R -P -a -o \
                    -O -p --force --loose --nodeps --register-only --soft \
                    --nobuild --nocompress --installroot --ignore-errors \
                    --alldeps --onlyreqdeps --offline --pretend" -- ${cur}) )
            fi
            return 0
            ;;
        list|search)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-c -a -i --channel --allchannels --channelinfo" -- ${cur}) )
            else
                local packages=$(for p in `pear list | tail --lines=+4 | cut -d' ' -f1`; do echo ${p} ; done )
                COMPREPLY=( $(compgen -W "${packages}" -- ${cur}) )
            fi
            return 0
            ;;
        list-all)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-c -i --channel --channelinfo" -- ${cur}) )
            fi
            return 0
            ;;
        list-files)
            local packages=$(for p in `pear list | tail --lines=+4 | cut -d' ' -f1`; do echo ${p} ; done )
            COMPREPLY=( $(compgen -W "${packages}" -- ${cur}) )
            return 0
            ;;
        list-upgrades)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-i --channelinfo" -- ${cur}) )
            fi
            return 0
            ;;
        login)
            _discovered_channels
            return 0
            ;;
        makerpm)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-t -p --spec-template --rpm-pkgname" -- ${cur}) )
            fi
            _filedir
            return 0
            ;;
        p@(ackage|ickle))
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-Z -n --nocompress --showname" -- ${cur}) )
            fi
            _filedir
            return 0
            ;;
        package-@(dependencies|validate))
            _filedir
            return 0
            ;;
        run-tests)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-r -i -l -q -s -p -u -t -c -x \
                    --recur --ini --realtimelog --quiet --simple --package \
                    --phpunit --tapoutput --cgi --coverage" -- ${cur}) )
            fi
            return 0
            ;;
        sign)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-v --verbose" -- ${cur}) )
            fi
            _filedir
            return 0
            ;;
        u@(ninstall|pgrade)|run-scripts)
            _installed_packages
            return 0
            ;;
        upgrade-all)
            if [[ "${cur}" == -* ]] ; then
                COMPREPLY=( $(compgen -W "-n -r -B -Z -R --nodeps \
                    --register-only --nobuild --nocompress --installroot \
                    --ignore-errors --loose" -- ${cur}) )
            fi
            return 0
            ;;
        *)
            ;;
    esac

    COMPREPLY=($(compgen -W "${commands}" -- ${cur}))  
    return 0
}

_installed_packages()
{
    local packages=$(for p in `pear list | tail --lines=+4 | cut -d' ' -f1`; do echo ${p} ; done )
    COMPREPLY=( $(compgen -W "${packages}" -- ${cur}) )
}

_discovered_channels()
{
    local channels=$(for c in `pear list-channels | tail --lines=+4 | grep -v __uri | cut -d' ' -f1`; do echo ${c} ; done )
    COMPREPLY=( $(compgen -W "${channels}" -- ${cur}) )
            
}

complete -F _pear pear