Document the lock command

This patch adds documentation and examples for the lock command to the
README and to the man page.  It also adds the lock command to the
top-level help message.

4 files changed, 7 insertions, 1 deletions

diff --git a/nitrocli/README.md b/nitrocli/README.md
index 96ae3a5..33e094a 100644
--- a/nitrocli/README.md
+++ b/nitrocli/README.md
@@ -12,6 +12,7 @@ certain commands on the [Nitrokey Storage][nitrokey-storage] device.
 
 The following commands are currently supported:
 - status: Report status information about the Nitrokey.
+- lock: Lock the Nitrokey.
 - config: Access the Nitrokey's configuration
   - get: Read the current configuration.
   - set: Change the configuration.
diff --git a/nitrocli/doc/nitrocli.1 b/nitrocli/doc/nitrocli.1
index fc993f1..f16ecc6 100644
--- a/nitrocli/doc/nitrocli.1
+++ b/nitrocli/doc/nitrocli.1
@@ -17,6 +17,11 @@ and the password safe.
 Print the status of the connected Nitrokey device, including the stick serial
 number, the firmware version, and the PIN retry count.
 .TP
+.B nitrocli lock
+Lock the Nitrokey.
+This command locks the password safe (see the Password safe section). On the
+Nitrokey Storage, it will also close the encrypted volume (see the Storage
+section).
 
 .SS Storage
 .TP
diff --git a/nitrocli/doc/nitrocli.1.pdf b/nitrocli/doc/nitrocli.1.pdf
index a98b9d2..0354e93 100644
--- a/nitrocli/doc/nitrocli.1.pdf
+++ b/nitrocli/doc/nitrocli.1.pdf
diff --git a/nitrocli/src/args.rs b/nitrocli/src/args.rs
index f1db33f..ffcc0d1 100644
--- a/nitrocli/src/args.rs
+++ b/nitrocli/src/args.rs
@@ -952,7 +952,7 @@ fn parse_arguments(args: Vec<String>) -> Result<(Command, Vec<String>)> {
   let _ = parser.refer(&mut command).required().add_argument(
     "command",
     argparse::Store,
-    "The command to execute (config|otp|pin|pws|status|storage)",
+    "The command to execute (config|lock|otp|pin|pws|status|storage)",
   );
   let _ = parser.refer(&mut subargs).add_argument(
     "arguments",