From b9a205120e282ce54c65cd81dc465e590e2b29b8 Mon Sep 17 00:00:00 2001
From: aeon <jerry73204@gmail.com>
Date: Tue, 9 Apr 2024 21:37:39 +0800
Subject: [PATCH 1/2] [r2r_common] Remove println!() that taints the build
 script output

---
 r2r_common/src/lib.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/r2r_common/src/lib.rs b/r2r_common/src/lib.rs
index a2fd750c3..d9bccfbb7 100644
--- a/r2r_common/src/lib.rs
+++ b/r2r_common/src/lib.rs
@@ -315,7 +315,6 @@ fn get_msgs_from_package(package: &Path) -> Vec<String> {
                                 &l[7..l.len() - 4] // .idl
                             };
                             let action_name = format!("{}/action/{}", file_name_str, substr);
-                            println!("found action: {}", action_name);
                             msgs.push(action_name);
                         }
                     }

From 1b16c1d7d91cb63bc90c8af0f3f02af861b55f5e Mon Sep 17 00:00:00 2001
From: aeon <jerry73204@gmail.com>
Date: Tue, 9 Apr 2024 21:40:38 +0800
Subject: [PATCH 2/2] Add an r2r_info example to dump the ROS environment
 report

---
 r2r_common/examples/r2r_info.rs | 44 +++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 r2r_common/examples/r2r_info.rs

diff --git a/r2r_common/examples/r2r_info.rs b/r2r_common/examples/r2r_info.rs
new file mode 100644
index 000000000..1c10f7969
--- /dev/null
+++ b/r2r_common/examples/r2r_info.rs
@@ -0,0 +1,44 @@
+//! Prints the environmental information for r2r.
+
+use r2r_common::RosMsg;
+
+fn main() {
+    println!("# r2r Information");
+
+    println!("## Env Hash");
+    println!("{}", r2r_common::get_env_hash());
+    println!();
+
+    println!("## Messages");
+    println!();
+    for msg in r2r_common::get_wanted_messages() {
+        let RosMsg {
+            module,
+            prefix,
+            name,
+        } = msg;
+        println!("- `{module}/{prefix}/{name}`");
+    }
+    println!();
+
+    println!("## Cargo ROS Distro");
+    println!();
+    println!("```");
+    r2r_common::print_cargo_ros_distro();
+    println!("```");
+    println!();
+
+    println!("## Cargo Link Watches");
+    println!();
+    println!("```");
+    r2r_common::print_cargo_watches();
+    println!("```");
+    println!();
+
+    println!("## Cargo Link Search");
+    println!();
+    println!("```");
+    r2r_common::print_cargo_link_search();
+    println!("```");
+    println!();
+}