From ec8bc203732b68297887fdb820259fa333227188 Mon Sep 17 00:00:00 2001
From: Andrew Phillips <andrew.phillips2@canada.ca>
Date: Tue, 6 May 2025 13:46:16 -0300
Subject: [PATCH] feat: add debug logs to mode_diff function

---
 src/main.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index 12729fe..129dace 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -522,6 +522,8 @@ fn mode_diff(cmd: &mut Command, args: Args, ids: &mut Vec<i64>, tags: &mut Vec<S
             let (fd_a_read, fd_a_write) = unistd::pipe().unwrap();
             let (fd_b_read, fd_b_write) = unistd::pipe().unwrap();
 
+            debug!("MAIN: Creating child process for diff");
+            
             let child = std::process::Command::new("diff")
                 .arg("-u")
                 .arg(format!("/dev/fd/{}", fd_a_read))
@@ -532,13 +534,18 @@ fn mode_diff(cmd: &mut Command, args: Args, ids: &mut Vec<i64>, tags: &mut Vec<S
                 .spawn()
                 .expect("Failed to execute diff command");
 
+            debug!("MAIN: Creating buffers");
+
             let stdout_a_raw = unsafe { std::fs::File::from_raw_fd(fd_a_write) };
             let stdout_b_raw = unsafe { std::fs::File::from_raw_fd(fd_b_write) };
             let mut stdout_a = BufWriter::new(stdout_a_raw);
             let mut stdout_b = BufWriter::new(stdout_b_raw);
 
+            debug!("MAIN: Sending item A to diff");
             compression_engine_a.copy(item_path_a.clone(), &mut stdout_a)?;
+            debug!("MAIN: Sending item B to diff");
             compression_engine_b.copy(item_path_b.clone(), &mut stdout_b)?;
+            debug!("MAIN: Done copying data to FDs");
 
             let output = child.wait_with_output().expect("Failed to wait on diff command");
             if output.status.success() {