sh 忍者容易

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#!/bin/bash

# Author: rhoconlinux, http://rhoconlinux.wordpress.com
# ------
# Credit for the spinner > Tasos Latsas https://github.com/tlatsas/bash-spinner 


##########################spinner funcion starts


function _spinner() {
    # $1 start/stop
    #
    # on start: $2 display message
    # on stop : $2 process exit status
    #           $3 spinner function pid (supplied from stop_spinner)

    local on_success="DONE"
    local on_fail="FAIL"
    local white="\e[1;37m"
    local green="\e[1;32m"
    local red="\e[1;31m"
    local nc="\e[0m"

    case $1 in
        start)
            # calculate the column where spinner and status msg will be displayed
        let COLS=$(tput cols)    
	let column=${#2}
            # display message and position the cursor in $column column
            echo -ne ${2}
            printf "\n%${column}s"
            #printf "%$1"

            # start spinner
            i=1
            sp='\|/-'
            delay=0.15

            while :
            do
                printf "\b${sp:i++%${#sp}:1}"
                sleep $delay
            done
            ;;
        stop)
            if [[ -z ${3} ]]; then
                echo "spinner is not running.."
                exit 1
            fi

            kill $3 > /dev/null 2>&1

            # inform the user uppon success or failure
            echo -en "\b["
            if [[ $2 -eq 0 ]]; then
                echo -en "${green}${on_success}${nc}"
            else
                echo -en "${red}${on_fail}${nc}"
            fi
            echo -e "]"
            ;;
        *)
            echo "invalid argument, try {start/stop}"
            exit 1
            ;;
    esac
}

function start_spinner {
    # $1 : msg to display
    _spinner "start" "${1}" &
    # set global spinner pid
    _sp_pid=$!
    disown
}

function stop_spinner {
    # $1 : command exit status
    _spinner "stop" $1 $_sp_pid
    unset _sp_pid
}

##########################spinner funcion ends
clear
echo "Grant root access to update and upgrade your system:"
echo ""
echo "                         ***LET FINISH THE SCRIPT, BE PATIENT***" 
echo ""
sudo echo "The last software upgrade was carried at:" 
ls -lt --time-style="long-iso" /var/log/apt | grep -o '\([0-9]\{2,4\}[- ]\)\{3\}[0-9]\{2\}:[0-9]\{2\}' -m 1
echo ""

# Checking pack health
echo 'Checking and solving eventual integrity faults of the package system...'
echo "Running dpkg integrity check..."
start_spinner
sudo dpkg --configure -a
stop_spinner $?
echo ""
echo 'Running apt-get to fix eventual errors...'
start_spinner
sudo apt-get install -f -y -qq
stop_spinner $?
echo ""

# update
start_spinner 'Downloading and Updating sources...'
# use sleep to give spinner time to fork and run
# because cp fails instantly
sudo apt-get update -qq
sleep 1
stop_spinner $?
echo ""

# upgrade
start_spinner 'Downloading upgrades...'
# use sleep to give spinner time to fork and run
# because cp fails instantly
sudo apt-get dist-upgrade -y -qq; sleep 1; stop_spinner $?
echo ""

# removing garbage
start_spinner 'Cleaning obsolete packages from the system...'
sudo apt-get autoremove -y -qq
sudo apt-get install -f -y -qq; sleep 1; stop_spinner $?
echo ""
echo "Your system is now up-to-date."
echo ""

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