fixing how to detect new line, script wont detect previous error

CHaT-API-error1.log

@@ -2563,4 +2563,6 @@ adadasdsa
  
 adsasdasd asd asd asd asd asdasd asd as asd  
 asdadsad
+SequelizeConnectionAcquireTimeoutError
+SequelizeConnectionAcquireTimeoutError
 

index.go

@@ -18,7 +18,7 @@ const CONFIG_SENDER_NAME = "Nico Baruna <nico_putra@banpuindo.co.id>"
 const CONFIG_AUTH_EMAIL = "truckscale_app@banpuindo.co.id"
 const CONFIG_AUTH_PASSWORD = ""
 const ShellToUse = "bash"
-const MYFILE = "/var/www/webapps/caraka/.pm2/logs/CHaT-API-error.log"
+const MYFILE = "CHaT-API-error1.log"
 const KEYWORD = "ConnectionAcquireTimeoutError"
 
 var statSize int64
@@ -78,7 +78,8 @@ func Native() {
 }
 
 func readFile(fname string) {
-	t, err := tail.TailFile(MYFILE, tail.Config{Follow: true, Poll: true})
+	t, err := tail.TailFile(MYFILE, tail.Config{Follow: true, Poll: true, ReOpen: true, MaxLineSize: 250})
+
 	flag := 0
 	if err == nil {
 
@@ -88,11 +89,15 @@ func readFile(fname string) {
 			if strings.Contains(line.Text, KEYWORD) {
 				fmt.Println("ERROR FOUND")
 				Native()
+				if flag == 1 {
 					sendMail(line.Text)
 				}
-			flag++
+
+			}
+
 			fmt.Println("end")
 		}
+		flag++
 
 	}
 

tmp/build-errors.log

+exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2exit status 2
\ No newline at end of file