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'docker list -n': display absolute layer IDs instead of names

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This commit is contained in:
Solomon Hykes 2013-01-20 00:45:51 -08:00
parent d62a759106
commit 10ca2206e2
1 changed files with 8 additions and 1 deletions
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9
dockerd/dockerd.go
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@ -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 { 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 var longestCol int
for _, container := range docker.containers { for _, container := range docker.containers {
if l := len(container.CmdString()); l > longestCol { 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 { for _, container := range docker.containers {
var layers []string var layers []string
for _, layer := range container.Layers { 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, fmt.Fprintf(stdout, tpl,
/* ID */ container.Id, /* ID */ container.Id,