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display usage when no parameter

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Upstream-commit: c105049f7ea5927ec9d7258624391f6a2b43a6a3
Component: engine
This commit is contained in:
Victor Vieux
2013-04-11 16:27:01 +02:00
parent 4fbbe500d2
commit 0823d282a2
1 changed files with 4 additions and 0 deletions
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4
components/engine/commands.go
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@@ -389,6 +389,10 @@ func (srv *Server) CmdRm(stdin io.ReadCloser, stdout io.Writer, args ...string)
if err := cmd.Parse(args); err != nil {
return nil
}
if cmd.NArg() < 1 {
cmd.Usage()
return nil
}
for _, name := range cmd.Args() {
container := srv.runtime.Get(name)
if container == nil {