Automatically print help when no subcommand given

7 files changed, 20 insertions, 16 deletions

diff --git a/mullvad-cli/src/cmds/account.rs b/mullvad-cli/src/cmds/account.rs
index a480f95bde..5123f0a8f8 100644
--- a/mullvad-cli/src/cmds/account.rs
+++ b/mullvad-cli/src/cmds/account.rs
@@ -12,7 +12,7 @@ impl Command for Account {
     fn clap_subcommand(&self) -> clap::App<'static, 'static> {
         clap::SubCommand::with_name(self.name())
             .about("Control and display information about your Mullvad account")
-            .setting(clap::AppSettings::SubcommandRequired)
+            .setting(clap::AppSettings::SubcommandRequiredElseHelp)
             .subcommand(
                 clap::SubCommand::with_name("set")
                     .about("Change account")
diff --git a/mullvad-cli/src/cmds/auto_connect.rs b/mullvad-cli/src/cmds/auto_connect.rs
index 6deccc9260..bad4c5c1e6 100644
--- a/mullvad-cli/src/cmds/auto_connect.rs
+++ b/mullvad-cli/src/cmds/auto_connect.rs
@@ -11,7 +11,7 @@ impl Command for AutoConnect {
     fn clap_subcommand(&self) -> clap::App<'static, 'static> {
         clap::SubCommand::with_name(self.name())
             .about("Control the daemon auto-connect setting")
-            .setting(clap::AppSettings::SubcommandRequired)
+            .setting(clap::AppSettings::SubcommandRequiredElseHelp)
             .subcommand(
                 clap::SubCommand::with_name("set")
                     .about("Change auto-connect setting")
diff --git a/mullvad-cli/src/cmds/block_when_disconnected.rs b/mullvad-cli/src/cmds/block_when_disconnected.rs
index ad7dc00d4c..9d9081a650 100644
--- a/mullvad-cli/src/cmds/block_when_disconnected.rs
+++ b/mullvad-cli/src/cmds/block_when_disconnected.rs
@@ -11,7 +11,7 @@ impl Command for BlockWhenDisconnected {
     fn clap_subcommand(&self) -> clap::App<'static, 'static> {
         clap::SubCommand::with_name(self.name())
             .about("Control if the system service should block network access when disconnected from VPN")
-            .setting(clap::AppSettings::SubcommandRequired)
+            .setting(clap::AppSettings::SubcommandRequiredElseHelp)
             .subcommand(
                 clap::SubCommand::with_name("set")
                     .about("Change the block when disconnected setting")
diff --git a/mullvad-cli/src/cmds/lan.rs b/mullvad-cli/src/cmds/lan.rs
index 437a5acaad..3a29bdd226 100644
--- a/mullvad-cli/src/cmds/lan.rs
+++ b/mullvad-cli/src/cmds/lan.rs
@@ -11,7 +11,7 @@ impl Command for Lan {
     fn clap_subcommand(&self) -> clap::App<'static, 'static> {
         clap::SubCommand::with_name(self.name())
             .about("Control the allow local network sharing setting")
-            .setting(clap::AppSettings::SubcommandRequired)
+            .setting(clap::AppSettings::SubcommandRequiredElseHelp)
             .subcommand(
                 clap::SubCommand::with_name("set")
                     .about("Change allow LAN setting")
diff --git a/mullvad-cli/src/cmds/relay.rs b/mullvad-cli/src/cmds/relay.rs
index 7a202e4a5d..5cc8f2815b 100644
--- a/mullvad-cli/src/cmds/relay.rs
+++ b/mullvad-cli/src/cmds/relay.rs
@@ -25,13 +25,13 @@ impl Command for Relay {
     fn clap_subcommand(&self) -> clap::App<'static, 'static> {
         clap::SubCommand::with_name(self.name())
             .about("Manage relay and tunnel constraints")
-            .setting(clap::AppSettings::SubcommandRequired)
+            .setting(clap::AppSettings::SubcommandRequiredElseHelp)
             .subcommand(
                 clap::SubCommand::with_name("set")
                     .about(
                         "Set relay server selection parameters. Such as location and port/protocol",
                     )
-                    .setting(clap::AppSettings::SubcommandRequired)
+                    .setting(clap::AppSettings::SubcommandRequiredElseHelp)
                     .subcommand(
                         clap::SubCommand::with_name("custom")
                             .about("Set a custom VPN relay")
diff --git a/mullvad-cli/src/cmds/tunnel.rs b/mullvad-cli/src/cmds/tunnel.rs
index 592aef74df..c02a88d03a 100644
--- a/mullvad-cli/src/cmds/tunnel.rs
+++ b/mullvad-cli/src/cmds/tunnel.rs
@@ -16,7 +16,7 @@ impl Command for Tunnel {
     fn clap_subcommand(&self) -> clap::App<'static, 'static> {
         clap::SubCommand::with_name(self.name())
             .about("Manage tunnel specific options")
-            .setting(clap::AppSettings::SubcommandRequired)
+            .setting(clap::AppSettings::SubcommandRequiredElseHelp)
             .subcommand(create_openvpn_subcommand())
             .subcommand(create_wireguard_subcommand())
             .subcommand(create_ipv6_subcommand())
@@ -37,7 +37,7 @@ impl Command for Tunnel {
 fn create_wireguard_subcommand() -> clap::App<'static, 'static> {
     clap::SubCommand::with_name("wireguard")
         .about("Manage options for Wireguard tunnels")
-        .setting(clap::AppSettings::SubcommandRequired)
+        .setting(clap::AppSettings::SubcommandRequiredElseHelp)
         .subcommand(create_wireguard_mtu_subcommand())
         .subcommand(create_wireguard_keys_subcommand())
 }
@@ -45,7 +45,7 @@ fn create_wireguard_subcommand() -> clap::App<'static, 'static> {
 fn create_wireguard_mtu_subcommand() -> clap::App<'static, 'static> {
     clap::SubCommand::with_name("mtu")
         .about("Configure the MTU of the wireguard tunnel")
-        .setting(clap::AppSettings::SubcommandRequired)
+        .setting(clap::AppSettings::SubcommandRequiredElseHelp)
         .subcommand(clap::SubCommand::with_name("get"))
         .subcommand(clap::SubCommand::with_name("unset"))
         .subcommand(
@@ -56,7 +56,7 @@ fn create_wireguard_mtu_subcommand() -> clap::App<'static, 'static> {
 fn create_wireguard_keys_subcommand() -> clap::App<'static, 'static> {
     clap::SubCommand::with_name("key")
         .about("Manage your wireguard keys")
-        .setting(clap::AppSettings::SubcommandRequired)
+        .setting(clap::AppSettings::SubcommandRequiredElseHelp)
         .subcommand(clap::SubCommand::with_name("check"))
         .subcommand(clap::SubCommand::with_name("generate"))
 }
@@ -65,7 +65,7 @@ fn create_wireguard_keys_subcommand() -> clap::App<'static, 'static> {
 fn create_openvpn_subcommand() -> clap::App<'static, 'static> {
     clap::SubCommand::with_name("openvpn")
         .about("Manage options for OpenVPN tunnels")
-        .setting(clap::AppSettings::SubcommandRequired)
+        .setting(clap::AppSettings::SubcommandRequiredElseHelp)
         .subcommand(create_openvpn_mssfix_subcommand())
         .subcommand(create_openvpn_proxy_subcommand())
 }
@@ -73,7 +73,7 @@ fn create_openvpn_subcommand() -> clap::App<'static, 'static> {
 fn create_openvpn_mssfix_subcommand() -> clap::App<'static, 'static> {
     clap::SubCommand::with_name("mssfix")
         .about("Configure the optional mssfix parameter")
-        .setting(clap::AppSettings::SubcommandRequired)
+        .setting(clap::AppSettings::SubcommandRequiredElseHelp)
         .subcommand(clap::SubCommand::with_name("get"))
         .subcommand(clap::SubCommand::with_name("unset"))
         .subcommand(
@@ -84,12 +84,12 @@ fn create_openvpn_mssfix_subcommand() -> clap::App<'static, 'static> {
 fn create_openvpn_proxy_subcommand() -> clap::App<'static, 'static> {
     clap::SubCommand::with_name("proxy")
         .about("Configure a SOCKS5 proxy")
-        .setting(clap::AppSettings::SubcommandRequired)
+        .setting(clap::AppSettings::SubcommandRequiredElseHelp)
         .subcommand(clap::SubCommand::with_name("get"))
         .subcommand(clap::SubCommand::with_name("unset"))
         .subcommand(
             clap::SubCommand::with_name("set")
-                .setting(clap::AppSettings::SubcommandRequired)
+                .setting(clap::AppSettings::SubcommandRequiredElseHelp)
                 .subcommand(
                     clap::SubCommand::with_name("local")
                         .about("Registers a local SOCKS5 proxy")
@@ -174,7 +174,7 @@ fn create_openvpn_proxy_subcommand() -> clap::App<'static, 'static> {
 
 fn create_ipv6_subcommand() -> clap::App<'static, 'static> {
     clap::SubCommand::with_name("ipv6")
-        .setting(clap::AppSettings::SubcommandRequired)
+        .setting(clap::AppSettings::SubcommandRequiredElseHelp)
         .subcommand(clap::SubCommand::with_name("get"))
         .subcommand(
             clap::SubCommand::with_name("set").arg(
diff --git a/mullvad-cli/src/main.rs b/mullvad-cli/src/main.rs
index fcb8246cfd..3dc1879fb8 100644
--- a/mullvad-cli/src/main.rs
+++ b/mullvad-cli/src/main.rs
@@ -68,7 +68,11 @@ fn run() -> Result<()> {
         .version(PRODUCT_VERSION)
         .author(crate_authors!())
         .about(crate_description!())
-        .setting(clap::AppSettings::SubcommandRequired)
+        .setting(clap::AppSettings::SubcommandRequiredElseHelp)
+        .global_settings(&[
+            clap::AppSettings::DisableHelpSubcommand,
+            clap::AppSettings::VersionlessSubcommands,
+        ])
         .subcommands(commands.values().map(|cmd| cmd.clap_subcommand()));
 
     let app_matches = app.get_matches();