Stops a running mix mob.watch process.
mix mob.watch_stopReads the PID written by mix mob.watch and sends SIGTERM.
Under the hood
pid = File.read!("_build/mob_watch.pid") |> String.trim()
System.cmd("kill", [pid]) # SIGTERM
File.rm("_build/mob_watch.pid")Equivalent to running kill $(cat _build/mob_watch.pid) in a terminal.