cln.bash-completion

# bash programmable completion for core lightning
# copy to /etc/bash_completion.d and restart your shell session
# Copyright (c) by Andreas M. Antonopoulos
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
# modified by Tomas Stary (2018) for lightning-cli
# modified by urza (2024) for cln alias ("lightning-cli" must be in path and "cln" is alias for that)

_cln_cli() {
    local cur prev words=() cword
    local lightning_cli

    # lightning_cli might not be in $PATH
    lightning_cli="lightning-cli"

    COMPREPLY=()
    _get_comp_words_by_ref -n = cur prev words cword

    case "$cur" in
        -*=*)	# prevent nonsense completions
            return 0
            ;;
        *)
            local helpopts globalcmds


            # get the global options, starting with --
            if [[ -z "$cur" || "$cur" =~ ^- ]]; then
                globalcmds=$($lightning_cli --help 2>&1 | tr '|' '\n' | sed -n -e 's/ .*//' -e 's/\(-[-a-z0-9A-Z]*\).*/\1/p')
            fi


            # get the regular commands
            if [[ -z "$cur" || "$cur" =~ ^[a-z] ]]; then
		helpopts=$($lightning_cli help 2>/dev/null | sed -n 's/^\([a-z][a-z_-]*\).*/\1/p' | sed '$ d')
            fi

            COMPREPLY=( $( compgen -W "$helpopts $globalcmds" -X "*," -- "$cur" ) )
    esac
} &&
complete -F _cln_cli cln

# Local variables:
# mode: shell-script
# sh-basic-offset: 4
# sh-indent-comment: t
# indent-tabs-mode: nil
# End:
# ex: ts=4 sw=4 et filetype=sh