From 494db061417627c3f5847fd7b4c47248e5d8d2ea Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sun, 5 Dec 2021 16:07:24 +0200
Subject: docs: add some help to command line handling

Sponsored-by: author
---
 src/bin/obnam-benchmark.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/bin/obnam-benchmark.rs b/src/bin/obnam-benchmark.rs
index b76a7aa..3c2060e 100644
--- a/src/bin/obnam-benchmark.rs
+++ b/src/bin/obnam-benchmark.rs
@@ -30,12 +30,16 @@ struct Opt {
 
 #[derive(Debug, StructOpt)]
 enum Command {
+    /// Run benchmarks
     Run(Run),
+
+    /// Dump the specification as JSON
     Spec(Spec),
 }
 
 #[derive(Debug, StructOpt)]
 struct Run {
+    /// Name of the specification file
     #[structopt(parse(from_os_str))]
     spec: PathBuf,
 }
@@ -52,9 +56,11 @@ impl Run {
 
 #[derive(Debug, StructOpt)]
 struct Spec {
+    /// Name of the specification file
     #[structopt(parse(from_os_str))]
     spec: PathBuf,
 
+    /// Name of JSON file to write
     #[structopt(long, parse(from_os_str))]
     output: PathBuf,
 }
-- 
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