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return nil when no node or service to avoid additional api call

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Signed-off-by: allencloud <allen.sun@daocloud.io>
This commit is contained in:
allencloud 2016-10-09 10:29:58 +08:00
parent 920aa95aeb
commit 3af743bb32
3 changed files with 25 additions and 16 deletions
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6
cli/command/utils.go
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@ -58,14 +58,14 @@ func PrettyPrint(i interface{}) string {
}
}
// PromptForConfirmation request and check confirmation from user.
// PromptForConfirmation requests and checks confirmation from user.
// This will display the provided message followed by ' [y/N] '. If
// the user input 'y' or 'Y' it returns true other false. If no
// message is provided "Are you sure you want to proceeed? [y/N] "
// message is provided "Are you sure you want to proceed? [y/N] "
// will be used instead.
func PromptForConfirmation(ins *InStream, outs *OutStream, message string) bool {
if message == "" {
message = "Are you sure you want to proceeed?"
message = "Are you sure you want to proceed?"
}
message += " [y/N] "