func (c *RemotePullCommand) Run(args []string) int {
args = c.Meta.process(args, false)
cmdFlags := flag.NewFlagSet("pull", flag.ContinueOnError)
cmdFlags.Usage = func() { c.Ui.Error(c.Help()) }
if err := cmdFlags.Parse(args); err != nil {
return 1
}
// Read out our state
s, err := c.State()
if err != nil {
c.Ui.Error(fmt.Sprintf("Failed to read state: %s", err))
return 1
}
localState := s.State()
// If remote state isn't enabled, it is a problem.
if !localState.IsRemote() {
c.Ui.Error("Remote state not enabled!")
return 1
}
// We need the CacheState structure in order to do anything
var cache *state.CacheState
if bs, ok := s.(*state.BackupState); ok {
if cs, ok := bs.Real.(*state.CacheState); ok {
cache = cs
}
}
if cache == nil {
c.Ui.Error(fmt.Sprintf(
"Failed to extract internal CacheState from remote state.\n" +
"This is an internal error, please report it as a bug."))
return 1
}
// Refresh the state
if err := cache.RefreshState(); err != nil {
c.Ui.Error(fmt.Sprintf(
"Failed to refresh from remote state: %s", err))
return 1
}
// Use an error exit code if the update was not a success
change := cache.RefreshResult()
if !change.SuccessfulPull() {
c.Ui.Error(fmt.Sprintf("%s", change))
return 1
} else {
c.Ui.Output(c.Colorize().Color(fmt.Sprintf(
"[reset][bold][green]%s", change)))
}
return 0
}
