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// Package scp provides a simple interface to copying files over a
// go.crypto/ssh session.
package scp
import (
"fmt"
"io"
"os"
"path"
shellquote "github.com/kballard/go-shellquote"
"golang.org/x/crypto/ssh"
)
func Copy(size int64, mode os.FileMode, fileName string, contents io.Reader, destinationPath string, session *ssh.Session) error {
return copy(size, mode, fileName, contents, destinationPath, session)
}
func CopyPath(filePath, destinationPath string, session *ssh.Session) error {
f, err := os.Open(filePath)
if err != nil {
return err
}
defer f.Close()
s, err := f.Stat()
if err != nil {
return err
}
return copy(s.Size(), s.Mode().Perm(), path.Base(filePath), f, destinationPath, session)
}
func copy(size int64, mode os.FileMode, fileName string, contents io.Reader, destination string, session *ssh.Session) error {
defer session.Close()
w, err := session.StdinPipe()
if err != nil {
return err
}
cmd := shellquote.Join("scp", "-t", destination)
if err := session.Start(cmd); err != nil {
w.Close()
return err
}
errors := make(chan error)
go func() {
errors <- session.Wait()
}()
fmt.Fprintf(w, "C%#o %d %s\n", mode, size, fileName)
io.Copy(w, contents)
fmt.Fprint(w, "\x00")
w.Close()
return <-errors
}
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