vendor: update all dependencies

vendor/github.com/pkg/sftp/example_test.go

@@ -5,6 +5,8 @@ import (
 	"log"
 	"os"
 	"os/exec"
+	"path"
+	"strings"
 
 	"github.com/pkg/sftp"
 	"golang.org/x/crypto/ssh"
@@ -90,3 +92,44 @@ func ExampleNewClientPipe() {
 	// close the connection
 	client.Close()
 }
+
+func ExampleClient_Mkdir_parents() {
+	// Example of mimicing 'mkdir --parents'; I.E. recursively create
+	// directoryies and don't error if any directories already exists.
+	var conn *ssh.Client
+
+	client, err := sftp.NewClient(conn)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer client.Close()
+
+	ssh_fx_failure := uint32(4)
+	mkdirParents := func(client *sftp.Client, dir string) (err error) {
+		var parents string
+		for _, name := range strings.Split(dir, "/") {
+			parents = path.Join(parents, name)
+			err = client.Mkdir(parents)
+			if status, ok := err.(*sftp.StatusError); ok {
+				if status.Code == ssh_fx_failure {
+					var fi os.FileInfo
+					fi, err = client.Stat(parents)
+					if err == nil {
+						if !fi.IsDir() {
+							return fmt.Errorf("File exists: %s", parents)
+						}
+					}
+				}
+			}
+			if err != nil {
+				break
+			}
+		}
+		return err
+	}
+
+	err = mkdirParents(client, "/tmp/foo/bar")
+	if err != nil {
+		log.Fatal(err)
+	}
+}