Handle transmission-daemon

transmission.sh

#!/usr/bin/env bash

EXECUTABLE_NAME="transmission-daemon"
USER="debian-transmission"
WORKDIR="/var/lib/transmission-daemon/.config/transmission-daemon"

function start {
sudo -u $USER $EXECUTABLE  -f --log-error -g $WORKDIR &
}

function status {
PROCESS=$(ps aux | grep $EXECUTABLE_NAME | grep -v 'grep')
PROCESS_ID=$(echo $PROCESS | awk -F" " '{print $2}')
}

function stop {
sudo kill $PROCESS_ID
}

EXECUTABLE=$(which $EXECUTABLE_NAME)

if [ -z "$EXECUTABLE" ];then
        echo "$EXECUTABLE_NAME not found."
        exit 1
fi

if [ $1 ]; then
        case $1 in
        'start')
                status
                if [ $PROCESS_ID ];then
                        echo "Already running with process id $PROCESS_ID"
                        exit 0
                fi
                start
                ;;
        'stop')
                status
                if [ -z "$PROCESS" ]; then echo "Not running.";exit 0;fi
                echo "Stopping process id $PROCESS_ID"
                stop
                ;;
        'status')
                status
                if [ -z "$PROCESS" ]; then echo "Not running.";exit 0;fi
                echo "Running with process id $PROCESS_ID"
                ;;
        *)
                echo "Invalid option $1"
                ;;
        esac
fi
exit 0