From 5da3d7f6a0bab74b229f24263b77b9426ca60b5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9goire=20D=C3=A9trez?= <gregoire@mullvad.net>
Date: Wed, 18 May 2022 15:57:42 +0200
Subject: Make sigsum-debug print help if subcommand is omitted

Issue #52
---
 cmd/sigsum-debug/head/head.go | 2 +-
 cmd/sigsum-debug/key/key.go   | 2 +-
 cmd/sigsum-debug/leaf/leaf.go | 2 +-
 cmd/sigsum-debug/main.go      | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/cmd/sigsum-debug/head/head.go b/cmd/sigsum-debug/head/head.go
index b1b3044..22b857b 100644
--- a/cmd/sigsum-debug/head/head.go
+++ b/cmd/sigsum-debug/head/head.go
@@ -42,7 +42,7 @@ func Main(args []string) error {
 	err = checkOptions(opt.Name())
 	if err == nil {
 		switch opt.Name() {
-		case "help":
+		case "help", "":
 			opt.Usage()
 		case "sign":
 			err = sign.Main(opt.Args(), optPrivateKey, optKeyHash)
diff --git a/cmd/sigsum-debug/key/key.go b/cmd/sigsum-debug/key/key.go
index 88973f2..0d9e580 100644
--- a/cmd/sigsum-debug/key/key.go
+++ b/cmd/sigsum-debug/key/key.go
@@ -28,7 +28,7 @@ func Main(args []string) error {
 
 	opt := options.New(args, func() { log.Printf(usage[1:]) }, func(_ *flag.FlagSet) {})
 	switch opt.Name() {
-	case "help":
+	case "help", "":
 		opt.Usage()
 	case "private":
 		err = private.Main(opt.Args())
diff --git a/cmd/sigsum-debug/leaf/leaf.go b/cmd/sigsum-debug/leaf/leaf.go
index 97de37e..c14e6aa 100644
--- a/cmd/sigsum-debug/leaf/leaf.go
+++ b/cmd/sigsum-debug/leaf/leaf.go
@@ -46,7 +46,7 @@ func Main(args []string) error {
 	err = checkOptions(opt.Name())
 	if err == nil {
 		switch opt.Name() {
-		case "help":
+		case "help", "":
 			opt.Usage()
 		case "sign":
 			err = sign.Main(opt.Args(), optPrivateKey, optShardHint)
diff --git a/cmd/sigsum-debug/main.go b/cmd/sigsum-debug/main.go
index 7a1c894..2c10be2 100644
--- a/cmd/sigsum-debug/main.go
+++ b/cmd/sigsum-debug/main.go
@@ -41,7 +41,7 @@ func main() {
 	log.SetFlags(0)
 	opt := options.New(os.Args[1:], func() { log.Printf(usage[1:]) }, func(_ *flag.FlagSet) {})
 	switch opt.Name() {
-	case "help":
+	case "help", "":
 		opt.Usage()
 	case "key":
 		err = key.Main(opt.Args())
-- 
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