A function to start, stop, or restart a local godoc server in the background

godoc-server.bash

godoc-server () {
	declare -lr funcname=$0
	declare -lr godoc=$(which godoc)
	start_server () {
		declare -lr nohup=$(which gnohup || which nohup)
		declare -lr logfile="/tmp/godoc-server.log"
		$nohup $godoc $@ >$logfile 2>&1 &
	}
	stop_server() {
		pkill -fn 'godoc -http'
	}
	restart() {
		local cmd=$(pgrep -fln 'godoc -http')
		if [[ -z $cmd ]]; then
			>&2 echo "$funcname: no running godoc server found"
			return 1
		fi
		kill $(echo $cmd | cut -d' ' -f1)
		local args="$(echo $cmd | awk '{$1=""; $2=""}1' | sed 's/^ *//g')"
		start_server $args
	}
	local port=6060
	if [[ $# > 0 ]]; then
		case $1 in
			-p|--port) port=$1; shift;;
			-r|--restart) restart; return;;
			-s|--stop|--kill) stop_server; return;;
			*) echo >&2 "$funcname: unrecognized argument $1" && return 1;;
		esac
	fi
	start_server -http=:$port
}