From 10ca2206e25d42f6594611fc6c2e0d432ca13c9c Mon Sep 17 00:00:00 2001 From: Solomon Hykes Date: Sun, 20 Jan 2013 00:45:51 -0800 Subject: [PATCH] 'docker list -n': display absolute layer IDs instead of names --- dockerd/dockerd.go | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/dockerd/dockerd.go b/dockerd/dockerd.go index 553c6d7989..0892e32298 100644 --- a/dockerd/dockerd.go +++ b/dockerd/dockerd.go @@ -229,6 +229,9 @@ func startCommand(cmd *exec.Cmd, interactive bool) (io.WriteCloser, io.ReadClose } func (docker *Docker) CmdList(stdin io.ReadCloser, stdout io.Writer, args ...string) error { + flags := Subcmd(stdout, "list", "[OPTIONS]", "Show all containers") + numeric := flags.Bool("n", false, "Display absolute layer IDs instead of names") + flags.Parse(args) var longestCol int for _, container := range docker.containers { if l := len(container.CmdString()); l > longestCol { @@ -245,7 +248,11 @@ func (docker *Docker) CmdList(stdin io.ReadCloser, stdout io.Writer, args ...str for _, container := range docker.containers { var layers []string for _, layer := range container.Layers { - layers = append(layers, layer.Name) + if *numeric { + layers = append(layers, layer.Id) + } else { + layers = append(layers, layer.Name) + } } fmt.Fprintf(stdout, tpl, /* ID */ container.Id,