include debug level in release builds

Cargo.toml

@@ -26,7 +26,7 @@ tokio = { version = "1.36", features = ["full"] }
 tokio-stream = { version = "0.1.15", features = ["fs"] }
 futures-util = "0.3.30"
 bytes = "1.5"
-tracing = { version = "0.1.40", features = ["max_level_trace", "release_max_level_info"] }
+tracing = { version = "0.1.40", features = ["max_level_trace", "release_max_level_debug"] }
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tracing-appender = "0.2.3"
 tracing-test = "0.2.4"

src/lib.rs

@@ -316,8 +316,6 @@ pub static GID: LazyLock<u32> = LazyLock::new(|| unsafe { libc::getgid() });
 #[must_use]
 pub const fn is_debug() -> bool {
     #[cfg(debug_assertions)]
-    {
-        return true;
-    }
+    true;
     false
 }

src/main.rs

@@ -474,6 +474,9 @@ fn umount(mountpoint: &str) -> io::Result<()> {
 
 #[allow(clippy::missing_panics_doc)]
 pub fn log_init(level: Level) -> WorkerGuard {
+    // Set the RUST_LOG environment variable to include debug logs
+    env::set_var("RUST_LOG", "debug");
+
     let directive = format!("rencfs={}", level.as_str())
         .parse()
         .expect("cannot parse log directive");