_cado

this_project=`cat MANIFEST | sed -n '/NAME/s/.*: //p'`

if [[ ${this_project} == gem ]] ; then
cado_commands=(
    cmake
    cmake-static
    cmake-all
    cmake-debug
    cmake-debug-extra
    cmake-mach
    cmake-mach-static
    cmake-all-mach
    cmake-mach-debug
    build
    work
    install
    package
    help
)
else
cado_commands=(
    cmake
    cmake-static
    cmake-all
    cmake-debug
    cmake-debug-extra
    build
    work
    install
    package
    help
)
fi

#
# If not using the IF in _complete_targets, then we could list only some "favorite" targets
# and save the user from getting a large amount of targets.
# Examples:
favorite_makefile_targets=(
    work
    maingemdm
    rpnphy
    rmn
    modelutils
    install
    # ...
)

_cado(){
    local cur prev words cword
    _init_completion || return
    COMPREPLY=()

    if (( cword == 1 )) ; then
        COMPREPLY=($(compgen -W "${cado_commands[*]}" -- ${cur}))
    elif [[ "${words[1]}" == "build" ]] ; then
        _complete_targets build-${GEM_ARCH}
    fi
}

_complete_targets(){
    #
    # In the original shortcut Makefile, tab completion would only complete
    # targets of that Makefile.  This call to _get_makefile_targets would
    # get over a hundred results.  Perhaps it is better to only list some
    # targets in the targets array above instead and not have this if
    #
    # if [[ -d "${1}" ]] ; then
    #     _get_makefile_targets ${1}
    # fi
    COMPREPLY+=( $(compgen -W "${favorite_makefile_targets[*]}" -- "${cur}") )
}

#
# I just found the code in the make completion script with a tiny bit of
# modifications.  This gives too much stuff though, people would probably
# not want that.
#
_get_makefile_targets(){
    local build_dir=$1
    #
    # Completion for `make` is normally lazy loaded the first time you invoke
    # completion for `make in a given shell.  This provides the function
    # _make_target_extract_script used below
    #
    if [[ "$(type -t _make)" != function ]] ; then
        _completion_loader make
    fi
    #
    local reset=$(shopt -po posix); set +o posix
    COMPREPLY=( $(cd ${build_dir} && LC_ALL=C \
        make -npq __BASH_MAKE_COMPLETION__=1 \
        .DEFAULT 2>/dev/null | \
        command sed -nf <(_make_target_extract_script -- "${cur}") ) )
    $reset
}
complete -F _cado cado