Version 1.2.0

In case the password must provided interactively, it is now invisible. Added also exit codes in case of errors for a better usage and automation e.g. with Docker containers. Finally, improved the console output for e.g. Docker containers.

Main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"github.com/SommerEngineering/Sync/Sync"
+	"github.com/howeyc/gopass"
 	"golang.org/x/crypto/ssh"
 	"log"
 	"os"
@@ -12,7 +13,7 @@ import (
 func main() {
 
 	// Show the current version:
-	log.Println(`Sync v1.1.0`)
+	log.Println(`Sync v1.2.0`)
 
 	// Allow Go to use all CPUs:
 	runtime.GOMAXPROCS(runtime.NumCPU())
@@ -23,6 +24,7 @@ func main() {
 	// Check if the directories are provided:
 	if localDir == `` || remoteDir == `` {
 		log.Println(`Please provide the local and remote directory.`)
+		os.Exit(1)
 		return
 	}
 
@@ -30,6 +32,7 @@ func main() {
 	if localDir == `.` {
 		if currentWD, currentWDError := os.Getwd(); currentWDError != nil {
 			log.Println("Cannot use the current working directory as local directory: " + currentWDError.Error())
+			os.Exit(2)
 			return
 		} else {
 			log.Println("I use the current working directory as local directory: " + currentWD)
@@ -44,10 +47,12 @@ func main() {
 	// Check if local dir exist
 	if dirInfo, dirError := os.Stat(localDir); dirError != nil {
 		log.Println("There is an error with the local directory: " + dirError.Error())
+		os.Exit(3)
 		return
 	} else {
 		if !dirInfo.IsDir() {
 			log.Println("There is an error with the local directory: You provided a file instead!")
+			os.Exit(4)
 			return
 		}
 	}
@@ -57,7 +62,13 @@ func main() {
 		if password == `` {
 			// Promt for the password:
 			fmt.Print(`Please provide the password for the connection: `)
-			fmt.Scanln(&password)
+			if pass, errPass := gopass.GetPasswd(); errPass != nil {
+				log.Println(`There was an error reading the password securely: ` + errPass.Error())
+				os.Exit(5)
+				return
+			} else {
+				password = string(pass)
+			}
 		} else {
 			break
 		}
@@ -91,6 +102,7 @@ func main() {
 	ssh := Sync.ConnectSSH(config, serverAddrString)
 	if ssh == nil {
 		log.Println(`It was not possible to connect to the SSH server.`)
+		os.Exit(6)
 		return
 	}