From a7eeddab5a95d018bdff9730905d8c3d6624709b Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Tue, 25 Jan 2022 17:23:28 +0900
Subject: [PATCH] Re-add --version flag that was accidentally removed in 0.33.0

---
 src/app.rs    |  1 +
 tests/test.rs | 14 ++++++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 tests/test.rs

diff --git a/src/app.rs b/src/app.rs
index 8376479..f66fea8 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -698,6 +698,7 @@ impl window::State for AppState {
 
 /// URDF visualizer
 #[derive(Parser, Debug, Deserialize)]
+#[clap(version)]
 #[serde(rename_all = "kebab-case")]
 #[non_exhaustive]
 pub struct Opt {
diff --git a/tests/test.rs b/tests/test.rs
new file mode 100644
index 0000000..bfe0922
--- /dev/null
+++ b/tests/test.rs
@@ -0,0 +1,14 @@
+use std::process::Command;
+
+#[test]
+fn version() {
+    let output = Command::new(env!("CARGO_BIN_EXE_urdf-viz"))
+        .arg("--version")
+        .output()
+        .unwrap();
+    assert!(output.status.success());
+    assert_eq!(
+        String::from_utf8(output.stdout).unwrap().trim(),
+        format!("urdf-viz {}", env!("CARGO_PKG_VERSION"))
+    );
+}