tab_completion.sh

#!/bin/bash
#set -x
GREEN=$'\e[1;32m'
_my_completion() {
    local cur prev
    . ~/.LEGO_USR_INFO
    HOME_FILE=~/.LEGO_USR_INFO
    LAST_LINE=$(/bin/tail -n 1 $HOME_FILE)
    if [[ "${LAST_LINE}" =~ ^"TOP_FILE=" ]]; then
        FILE_NAME=${LAST_LINE#TOP_FILE=} && FILE_NAME=${FILE_NAME%.sv}
        COMPREPLY=()
        cur="${COMP_WORDS[COMP_CWORD]}"
        prev="${COMP_WORDS[COMP_CWORD-1]}"
        JSON_FILE=${LEGO_DIR}/files/Baseboard/${FILE_NAME}.json
        if [[ "${COMP_WORDS[0]}" =~ ^(create|rename|connect|add|delete)$ ]]; then
            words=($(cat ${JSON_FILE} | tr -d '"{}:'))
            COMPREPLY=( $(compgen -W "${words[*]}" -- ${cur}) )
        fi
    fi
    return 0
}

# register the completion function
complete -F _my_completion create connect add rename delete

_my_plug_completion() {
    local cur prev
    . ~/.LEGO_USR_INFO
    LAGO_LIB="${LEGO_DIR}/files/library"
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    if [ "${prev}" == "-inst" ]; then
        words=($(ls ${LAGO_LIB}/*.sv | xargs -n3 /bin/basename -a ))
        COMPREPLY=( $(compgen -W "${words[*]}" -- ${cur}) )
    fi
    return 0
}

# register the completion function for plug with -inst option
complete -F _my_plug_completion plug