| 122 | } |
| 123 | |
| 124 | func HandleNonPTY(sess ssh.Session, cmd *exec.Cmd, decorateReader func(reader io.Reader) io.Reader) (err error) { |
| 125 | // init pipes |
| 126 | stdinWriter, err := cmd.StdinPipe() |
| 127 | if err != nil { |
| 128 | return err |
| 129 | } |
| 130 | stdoutReader, err := cmd.StdoutPipe() |
| 131 | if err != nil { |
| 132 | return err |
| 133 | } |
| 134 | stderrReader, err := cmd.StderrPipe() |
| 135 | if err != nil { |
| 136 | return err |
| 137 | } |
| 138 | |
| 139 | // start the command |
| 140 | err = cmd.Start() |
| 141 | if err != nil { |
| 142 | return errors.Wrap(err, "start command") |
| 143 | } |
| 144 | |
| 145 | stdoutDone := make(chan struct{}) |
| 146 | go func() { |
| 147 | defer close(stdoutDone) |
| 148 | defer stdoutReader.Close() |
| 149 | |
| 150 | var reader io.Reader = stdoutReader |
| 151 | if decorateReader != nil { |
| 152 | reader = decorateReader(stdoutReader) |
| 153 | } |
| 154 | |
| 155 | _, _ = io.Copy(sess, reader) |
| 156 | }() |
| 157 | |
| 158 | stderrDone := make(chan struct{}) |
| 159 | go func() { |
| 160 | defer close(stderrDone) |
| 161 | defer stderrReader.Close() |
| 162 | |
| 163 | var reader io.Reader = stderrReader |
| 164 | if decorateReader != nil { |
| 165 | reader = decorateReader(stderrReader) |
| 166 | } |
| 167 | |
| 168 | _, _ = io.Copy(sess.Stderr(), reader) |
| 169 | }() |
| 170 | |
| 171 | go func() { |
| 172 | defer stdinWriter.Close() |
| 173 | |
| 174 | _, _ = io.Copy(stdinWriter, sess) |
| 175 | }() |
| 176 | |
| 177 | err = cmd.Wait() |
| 178 | if err != nil { |
| 179 | return err |
| 180 | } |
| 181 | |