func runMetaSet(app *types.App, args *docopt.Args, client controller.Client) error {
pairs := args.All["<var>=<val>"].([]string)
if app.Meta == nil {
app.Meta = make(map[string]string, len(pairs))
}
for _, s := range pairs {
v := strings.SplitN(s, "=", 2)
if len(v) != 2 {
return fmt.Errorf("invalid var format: %q", s)
}
app.Meta[v[0]] = v[1]
}
return client.UpdateAppMeta(app)
}
