-func Multi(m map[string]RunFunc) RunFunc {
- return func(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
- if len(args) < 1 {
- fmt.Fprintf(stderr, "usage: %s command [args]\n", prog)
- multiUsage(stderr, m)
- return 2
- }
- if cmd, ok := m[args[0]]; !ok {
- fmt.Fprintf(stderr, "unrecognized command %q\n", args[0])
- multiUsage(stderr, m)
- return 2
- } else {
- return cmd(prog+" "+args[0], args[1:], stdin, stdout, stderr)
- }
+type Multi map[string]Handler
+
+func (m Multi) RunCommand(prog string, args []string, stdin io.Reader, stdout, stderr io.Writer) int {
+ _, basename := filepath.Split(prog)
+ basename = strings.TrimPrefix(basename, "arvados-")
+ basename = strings.TrimPrefix(basename, "crunch-")
+ if cmd, ok := m[basename]; ok {
+ return cmd.RunCommand(prog, args, stdin, stdout, stderr)
+ } else if len(args) < 1 {
+ fmt.Fprintf(stderr, "usage: %s command [args]\n", prog)
+ m.Usage(stderr)
+ return 2
+ } else if cmd, ok = m[args[0]]; ok {
+ return cmd.RunCommand(prog+" "+args[0], args[1:], stdin, stdout, stderr)
+ } else {
+ fmt.Fprintf(stderr, "%s: unrecognized command %q\n", prog, args[0])
+ m.Usage(stderr)
+ return 2