remote/remote-completion at master · ahei/remote · GitHub

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#!/usr/bin/env bash

# Time-stamp: <2020-09-02 11:32:06 Wednesday by ahei>

function getConfigFiles() {
    local configs="/etc/remoterc"
    [ -e "$configs" ] || configs=
    [ -e $HOME/.remoterc ] && configs="$configs "$HOME/.remoterc
    echo $configs
}

function getAllClusters() {
    awk -F= '$ 1 {print $ 1}' $(getConfigFiles) | grep -E "^[[:space:]]*#" -v
}

function getAllSingleHost() {
    awk 'NF == 1' $(getConfigFiles) | cut -d= -f1 | grep -E "^[[:space:]]*#" -v
}

function getPreOptionNum() {
    local optionNum

    for ((i = 1; i < COMP_CWORD; i++)); do
        if [[ ${COMP_WORDS[i]} != -* ]]; then
            echo "$optionNum"
            return
        fi
        let optionNum++
    done

    echo "$optionNum"
}

function _remote() {
    local cur prev opts

    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    local opts="-l -n -V -q -g -N -c -t -p -H -f -F -s -o -C -W -L -v -h"

    if [[ ${cur} == -* ]] ; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi

    optionNum=$(getPreOptionNum)
    if ((COMP_CWORD - optionNum == 1)); then
        COMPREPLY=( $(compgen -W "$(getAllClusters)" -- ${cur}) )
        return 0
    fi

    COMPREPLY=( $(compgen -A command -- "$cur") )
}

function _rgrep() {
    local cur prev opts

    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    local opts="-l -n -V -q -g -N -c -t -p -H -f -F -s -o -C -W -L -v -h"

    if [[ ${cur} == -* ]] ; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi

    optionNum=$(getPreOptionNum)
    if ((COMP_CWORD - optionNum == 1)); then
        COMPREPLY=( $(compgen -W "$(getAllClusters)" -- ${cur}) )
        return 0
    fi

    COMPREPLY=( $(compgen -f -- ${cur}) )
}

function _rcp() {
    local cur prev opts

    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    local opts="-l -n -V -q -g -N -t -p -H -f -F -s -o -C -W -L -v -h"

    if [[ ${cur} == -* ]] ; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi

    optionNum=$(getPreOptionNum)
    index=$((COMP_CWORD - optionNum))
    if ((index == 1)); then
        COMPREPLY=( $(compgen -W "$(getAllClusters)" -- ${cur}) )
        return 0
    fi

    COMPREPLY=( $(compgen -f -- ${cur}) )
}

function _rssh() {
    local cur prev opts

    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    local opts="-l -o -v -h"

    if [[ ${cur} == -* ]] ; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi

    optionNum=$(getPreOptionNum)
    index=$((COMP_CWORD - optionNum))
    if ((index == 1)); then
        COMPREPLY=( $(compgen -W "$(getAllSingleHost)" -- ${cur}) )
        return 0
    fi
}

function _rps() {
    local cur prev opts

    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    local opts="-o -v -h"

    if [[ ${cur} == -* ]] ; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi

    optionNum=$(getPreOptionNum)
    index=$((COMP_CWORD - optionNum))
    if ((index == 1)); then
        COMPREPLY=( $(compgen -W "$(getAllClusters)" -- ${cur}) )
        return 0
    fi

    COMPREPLY=( $(compgen -f -- ${cur}) )
}

complete -F _remote remote
complete -F _rgrep rgrep
complete -F _rcp rcp
complete -F _rssh rssh
complete -F _rps rps
complete -F _rps rls