Vendor dependencies with dep

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

@@ -0,0 +1,135 @@
+package sftp_test
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"path"
+	"strings"
+
+	"github.com/pkg/sftp"
+	"golang.org/x/crypto/ssh"
+)
+
+func Example() {
+	var conn *ssh.Client
+
+	// open an SFTP session over an existing ssh connection.
+	sftp, err := sftp.NewClient(conn)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer sftp.Close()
+
+	// walk a directory
+	w := sftp.Walk("/home/user")
+	for w.Step() {
+		if w.Err() != nil {
+			continue
+		}
+		log.Println(w.Path())
+	}
+
+	// leave your mark
+	f, err := sftp.Create("hello.txt")
+	if err != nil {
+		log.Fatal(err)
+	}
+	if _, err := f.Write([]byte("Hello world!")); err != nil {
+		log.Fatal(err)
+	}
+
+	// check it's there
+	fi, err := sftp.Lstat("hello.txt")
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Println(fi)
+}
+
+func ExampleNewClientPipe() {
+	// Connect to a remote host and request the sftp subsystem via the 'ssh'
+	// command.  This assumes that passwordless login is correctly configured.
+	cmd := exec.Command("ssh", "example.com", "-s", "sftp")
+
+	// send errors from ssh to stderr
+	cmd.Stderr = os.Stderr
+
+	// get stdin and stdout
+	wr, err := cmd.StdinPipe()
+	if err != nil {
+		log.Fatal(err)
+	}
+	rd, err := cmd.StdoutPipe()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// start the process
+	if err := cmd.Start(); err != nil {
+		log.Fatal(err)
+	}
+	defer cmd.Wait()
+
+	// open the SFTP session
+	client, err := sftp.NewClientPipe(rd, wr)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// read a directory
+	list, err := client.ReadDir("/")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// print contents
+	for _, item := range list {
+		fmt.Println(item.Name())
+	}
+
+	// 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)
+	}
+}