feat: Log SSH commands (#175)

Author: qrichert

src/native_mux_impl/command.rs

@@ -73,6 +73,9 @@ impl Command {
 
         let cmd = NonZeroByteSlice::new(&self.cmd).ok_or(Error::InvalidCommand)?;
 
+        #[cfg(feature = "tracing")]
+        tracing::debug!(cmd = String::from_utf8_lossy(cmd.into_inner()).as_ref());
+
         let session = Session::builder()
             .cmd(Cow::Borrowed(cmd))
             .subsystem(self.subsystem)

src/process_impl/command.rs

@@ -50,6 +50,9 @@ impl Command {
         ),
         Error,
     > {
+        #[cfg(feature = "tracing")]
+        tracing::debug!(cmd = ?self.builder.as_std());
+
         let mut channel = self.builder.spawn().map_err(Error::Ssh)?;
 
         let child_stdin = channel.stdin.take();