#!/bin/sh

if [ "$1" = "--user" ]; then
    shift
    scope="--user"
else
    scope=""
fi

[ -z "$1" ] && { echo "missing service name"; exit 1; }

service="$1"

# Check if the unit exists
if ! systemctl $scope status "$service" >/dev/null 2>&1; then
    echo "no such service: $service"
    exit 1
fi

# Follow logs
journalctl $scope -f -u "$service"