toys/map/scripts/remove_service.sh

#!/usr/bin/env bash

CUR_DIR=$(cd `dirname $0`; pwd)
SYSTEMD_DIR=/etc/systemd/system
ETC_DIR=/etc

SERVICE_NAME=map-service
SERVICE_FILE_NAME=$SERVICE_NAME.service
SCRIPT_FILE_NAME=map-server.sh

function service_exists()
{
    local s=$1
    if [[ $(systemctl list-units --all -t service --full --no-legend "$s.service" | cut -f1 -d' ') == $s.service ]]; then
        return 0
    fi
}

if service_exists "$SERVICE_NAME"; then
    sudo rm $SYSTEMD_DIR/$SERVICE_FILE_NAME
    sudo rm $ETC_DIR/$SCRIPT_FILE_NAME

    if systemctl is-active --quiet map-service; then
        sudo systemctl stop $SERVICE_NAME
        sudo systemctl disable $SERVICE_NAME
        sudo systemctl daemon-reload
    fi
else
    echo "map-service has not been installed"
fi