From bd144a64f652895a41b67464a426839ef79d73dc Mon Sep 17 00:00:00 2001
From: "Guillaume J. Charmes" <guillaume@dotcloud.com>
Date: Thu, 27 Jun 2013 12:48:25 -0700
Subject: [PATCH] Make sure the ID is displayed usgin run -d

---
 commands.go | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/commands.go b/commands.go
index 7175c07b0b..230e2997bc 100644
--- a/commands.go
+++ b/commands.go
@@ -1278,9 +1278,15 @@ func (cli *DockerCli) CmdRun(args ...string) error {
 		return err
 	}
 
+	var wait chan struct{}
+
 	if !config.AttachStdout && !config.AttachStderr {
 		// Make this asynchrone in order to let the client write to stdin before having to read the ID
-		go fmt.Fprintf(cli.out, "%s\n", runResult.ID)
+		wait = make(chan struct{})
+		go func() {
+			defer close(wait)
+			fmt.Fprintf(cli.out, "%s\n", runResult.ID)
+		}()
 	}
 
 	if config.AttachStdin || config.AttachStdout || config.AttachStderr {
@@ -1309,6 +1315,10 @@ func (cli *DockerCli) CmdRun(args ...string) error {
 			return err
 		}
 	}
+
+	if !config.AttachStdout && !config.AttachStderr {
+		<-wait
+	}
 	return nil
 }