add subcommands to usage string

1 files changed, 3 insertions, 0 deletions

diff --git a/parse.go b/parse.go
index d06b299..3a48880 100644
--- a/parse.go
+++ b/parse.go
@@ -59,6 +59,7 @@ type spec struct {
 // command represents a named subcommand, or the top-level command
 type command struct {
 	name        string
+	help        string
 	dest        path
 	specs       []*spec
 	subcommands []*command
@@ -296,6 +297,8 @@ func cmdFromStruct(name string, dest path, t reflect.Type) (*command, error) {
 						return false
 					}
 
+					subcmd.help = field.Tag.Get("help")
+
 					cmd.subcommands = append(cmd.subcommands, subcmd)
 					isSubcommand = true
 				default: