func cmdExec(c *cli.Context) {
fd := os.Stdin.Fd()
stdinState, err := terminal.GetState(int(fd))
defer terminal.Restore(int(fd), stdinState)
_, app, err := stdcli.DirApp(c, ".")
if err != nil {
stdcli.Error(err)
return
}
if len(c.Args()) < 2 {
stdcli.Usage(c, "exec")
return
}
ps := c.Args()[0]
code, err := rackClient(c).ExecProcessAttached(app, ps, strings.Join(c.Args()[1:], " "), os.Stdin, os.Stdout)
terminal.Restore(int(fd), stdinState)
if err != nil {
stdcli.Error(err)
return
}
os.Exit(code)
}
func runAttached(c *cli.Context, app string, ps string, args string) (int, error) {
fd := os.Stdin.Fd()
if terminal.IsTerminal(int(fd)) {
stdinState, err := terminal.GetState(int(fd))
if err != nil {
return -1, err
}
defer terminal.Restore(int(fd), stdinState)
}
w, h, err := terminal.GetSize(int(fd))
if err != nil {
return -1, err
}
code, err := rackClient(c).RunProcessAttached(app, ps, args, h, w, os.Stdin, os.Stdout)
if err != nil {
return -1, err
}
return code, nil
}
func sshWithRestore(c *cli.Context, id, cmd string) (int, error) {
fd := os.Stdin.Fd()
isTerm := terminal.IsTerminal(int(fd))
var h, w int
if isTerm {
stdinState, err := terminal.GetState(int(fd))
if err != nil {
return -1, err
}
h, w, err = terminal.GetSize(int(fd))
if err != nil {
return -1, err
}
defer terminal.Restore(int(fd), stdinState)
}
return rackClient(c).SSHInstance(id, cmd, h, w, isTerm, os.Stdin, os.Stdout)
}