pass through arguments from command line

internal/inotify/event.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 	"strconv"
+	"time"
 	"unsafe"
 
 	"golang.org/x/sys/unix"
@@ -55,7 +56,13 @@ func newEvent(name string, mask uint32) Event {
 	return e
 }
 
-func eventLogger(i *Inotify, buffers chan bufRead) {
+func eventLogger(i *Inotify, buffers chan bufRead, print bool) {
+	// enable printing only after delay since setting up watchers causes flood of events
+	printEnabled := false
+	go func() {
+		<-time.After(1 * time.Second)
+		printEnabled = print
+	}()
 	for bf := range buffers {
 		n := bf.n
 		buf := bf.buf
@@ -82,7 +89,9 @@ func eventLogger(i *Inotify, buffers chan bufRead) {
 			}
 
 			ev := newEvent(name, sys.Mask)
-			log.Printf("\x1b[32;1mFS: %+v\x1b[0m", ev)
+			if printEnabled {
+				log.Printf("\x1b[32;1mFS: %+v\x1b[0m", ev)
+			}
 		}
 	}
 }

internal/inotify/inotify.go

@@ -13,7 +13,7 @@ type Inotify struct {
 	paused   bool
 }
 
-func NewInotify(ping chan struct{}) (*Inotify, error) {
+func NewInotify(ping chan struct{}, print bool) (*Inotify, error) {
 	fd, errno := unix.InotifyInit1(unix.IN_CLOEXEC)
 	if fd == -1 {
 		return nil, fmt.Errorf("Can't init inotify: %d", errno)
@@ -25,15 +25,11 @@ func NewInotify(ping chan struct{}) (*Inotify, error) {
 		ping:     ping,
 		paused:   false,
 	}
-	go watch(i)
+	go watch(i, print)
 
 	return i, nil
 }
 
-func (i *Inotify) Start() {
-	go watch(i)
-}
-
 func (i *Inotify) Watch(dir string) error {
 	w, err := newWatcher(i.fd, dir, i.ping)
 	if err != nil {
@@ -79,10 +75,10 @@ type bufRead struct {
 	buf []byte
 }
 
-func watch(i *Inotify) {
+func watch(i *Inotify, print bool) {
 	buf := make([]byte, 5*unix.SizeofInotifyEvent)
 	buffers := make(chan bufRead)
-	go eventLogger(i, buffers)
+	go eventLogger(i, buffers, print)
 	for {
 		n, _ := unix.Read(i.fd, buf)
 		if !i.paused {