From 71ba42bec8fee21007354ce2400e013fbe5e4eea Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <service@sommer-engineering.com>
Date: Sat, 4 Mar 2017 11:26:58 +0100
Subject: [PATCH] Bugfix: Error while deleting remote dirs

---
 Sync/ByLength.go    | 16 ++++++++++++++++
 Sync/Synchronise.go |  8 ++++----
 2 files changed, 20 insertions(+), 4 deletions(-)
 create mode 100644 Sync/ByLength.go

diff --git a/Sync/ByLength.go b/Sync/ByLength.go
new file mode 100644
index 0000000..f861af0
--- /dev/null
+++ b/Sync/ByLength.go
@@ -0,0 +1,16 @@
+package Sync
+
+type ByLength []string
+
+func (s ByLength) Len() int {
+	return len(s)
+}
+
+func (s ByLength) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+
+// Longer strings will appear first.
+func (s ByLength) Less(i, j int) bool {
+	return len(s[i]) > len(s[j])
+}
diff --git a/Sync/Synchronise.go b/Sync/Synchronise.go
index 4f8f8c9..d5aa51c 100644
--- a/Sync/Synchronise.go
+++ b/Sync/Synchronise.go
@@ -2,8 +2,6 @@ package Sync
 
 import (
 	"fmt"
-	"github.com/pkg/sftp"
-	"golang.org/x/crypto/ssh"
 	"io"
 	"log"
 	"os"
@@ -11,6 +9,9 @@ import (
 	"sort"
 	"strings"
 	"time"
+
+	"github.com/pkg/sftp"
+	"golang.org/x/crypto/ssh"
 )
 
 func Synchronise(ssh *ssh.Client, supervised, pushOnly bool, localDir, remoteDir string) {
@@ -156,7 +157,7 @@ func Synchronise(ssh *ssh.Client, supervised, pushOnly bool, localDir, remoteDir
 	log.Printf("Found %d remote files to delete.\n", len(deleteRemoteFiles))
 
 	if len(deleteRemoteFiles) > 0 {
-		sort.Strings(deleteRemoteFiles)
+		sort.Sort(ByLength(deleteRemoteFiles))
 		shouldDeleteRemoteFiles := true
 		if supervised {
 			fmt.Println(`=================================================================`)
@@ -193,7 +194,6 @@ func Synchronise(ssh *ssh.Client, supervised, pushOnly bool, localDir, remoteDir
 					continue
 				}
 
-				// TODO: Does not work: File an issue!
 				removeError := sftp.Remove(normalised2remoteFiles[remoteFileNormalised] + `/`)
 				if removeError != nil {
 					log.Printf("Was not able to delete the remote directory %s: %s\n", normalised2remoteFiles[remoteFileNormalised], removeError.Error())