// setCommandFunc executes the "set" command.
func setCommandFunc(c *cli.Context, client *etcd.Client) (*etcd.Response, error) {
if len(c.Args()) == 0 {
return nil, errors.New("Key required")
}
key := c.Args()[0]
value, err := argOrStdin(c.Args(), os.Stdin, 1)
if err != nil {
return nil, errors.New("Value required")
}
ttl := c.Int("ttl")
prevValue := c.String("swap-with-value")
prevIndex := c.Int("swap-with-index")
if prevValue == "" && prevIndex == 0 {
return client.Set(key, value, uint64(ttl))
} else {
return client.CompareAndSwap(key, value, uint64(ttl), prevValue, uint64(prevIndex))
}
}
