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# Bash completion function for qualudis
# Written by Mike Kelly
# vim: set et sw=4 sts=4 ts=4 ft=sh :

# NOTE: This is still a work in progress, don't expect it to work well or
# properly right now.

_qualudis_get_repodir() {
    local repodir starting_dir="${1}"
    [[ -f ./profiles/repo_name ]] && repodir=$(readlink -f ${starting_dir})
    [[ -z "${repodir}" && -f ../profiles/repo_name ]] \
        && repodir=$(readlink -f ${starting_dir}/..)
    [[ -z "${repodir}" && -f ../../profiles/repo_name ]] \
        && repodir=$(readlink -f ${starting_dir}/../..)
    [[ -z "${repodir}" ]] && return 1
    echo "${repodir}"
}

_qualudis() {
    local cur prev opts repodir
    COMPREPLY=()
    cur=${COMP_WORDS[COMP_CWORD]}
    prev=${COMP_WORDS[COMP_CWORD-1]}

    # Figure out what our repository dir is
    [[ -d ${cur} ]] && repodir="$(_qualudis_get_repodir "${cur}")"
    [[ -z "${repodir}" ]] && repodir="$(_qualudis_get_repodir "$(pwd)")"

    opts="--describe -d \
        --version -V \
        --help -h \
        --qa-check -c \
        --exclude-qa-check -C \
        --archs -a \
        --excluded-arches -A \
        --verbose -v \
        --quiet -q \
        --log-level -L \
        --message-level -M \
        --write-cache-dir \
        --master-repository-dir"

    case "${cur}" in
        -*)
            COMPREPLY=($(compgen -W "${opts}" -- "${cur}"))
            return 0
            ;;
        *)
            case "${prev}" in
                ## Enum operators
                --log-level|-L)
                    COMPREPLY=($(compgen -W "debug qa warning silent" -- "${cur}"))
                    return 0
                    ;;
                --message-level|-M)
                    COMPREPLY=($(compgen -W "info minor major fatal" -- "${cur}"))
                    return 0
                    ;;

                --qa-check|-c|--exclude-qa-check|-C)
                    COMPREPLY=($(compgen -W "$(qualudis --log-level silent --describe |sed -n 's/^  \(.*\):$/\1/p')" -- "${cur}"))
                    return 0
                    ;;

                --arches|-a|--exclude-arches|-A)
                    COMPREPLY=($(compgen -W "$(< "${repodir}/profiles/arch.list")" -- "${cur}"))
                    return 0
                    ;;

                *)
                    _filedir -d
                    ;;
            esac
            ;;
    esac
}
complete -o filenames -F _qualudis qualudis