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Merge pull request #19835 from ncdc/resize-after-attach

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Move resize after attaching
This commit is contained in:
Antonio Murdaca 2016-02-10 15:32:51 +01:00
commit c2ebdb3e57
2 changed files with 19 additions and 6 deletions
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21
api/client/attach.go
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@ -41,12 +41,6 @@ func (cli *DockerCli) CmdAttach(args ...string) error {
return err
}
if c.Config.Tty && cli.isTerminalOut {
if err := cli.monitorTtySize(cmd.Arg(0), false); err != nil {
logrus.Debugf("Error monitoring TTY size: %s", err)
}
}
if *detachKeys != "" {
cli.configFile.DetachKeys = *detachKeys
}
@ -82,6 +76,21 @@ func (cli *DockerCli) CmdAttach(args ...string) error {
defer cli.restoreTerminal(in)
}
if c.Config.Tty && cli.isTerminalOut {
height, width := cli.getTtySize()
// To handle the case where a user repeatedly attaches/detaches without resizing their
// terminal, the only way to get the shell prompt to display for attaches 2+ is to artifically
// resize it, then go back to normal. Without this, every attach after the first will
// require the user to manually resize or hit enter.
cli.resizeTtyTo(cmd.Arg(0), height+1, width+1, false)
// After the above resizing occurs, the call to monitorTtySize below will handle resetting back
// to the actual size.
if err := cli.monitorTtySize(cmd.Arg(0), false); err != nil {
logrus.Debugf("Error monitoring TTY size: %s", err)
}
}
if err := cli.holdHijackedConnection(c.Config.Tty, in, cli.out, cli.err, resp); err != nil {
return err
}

4
api/client/utils.go
View file

@ -59,6 +59,10 @@ func (cli *DockerCli) registryAuthenticationPrivilegedFunc(index *registrytypes.
func (cli *DockerCli) resizeTty(id string, isExec bool) {
height, width := cli.getTtySize()
cli.resizeTtyTo(id, height, width, isExec)
}
func (cli *DockerCli) resizeTtyTo(id string, height, width int, isExec bool) {
if height == 0 && width == 0 {
return
}