msy 0.4.6

Modern musl rsync alternative - Fast, parallel file synchronization
Documentation 
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#[cfg(test)]
mod tests {
	use msy::path::SyncPath;
	use msy::sync::server_mode::{sync_pull, sync_push};
	use std::fs;
	use tempfile::TempDir;

	#[tokio::test]
	async fn test_server_mode_push_local() -> anyhow::Result<()> {
		let temp = TempDir::new()?;
		let source = temp.path().join("src");
		let dest = temp.path().join("dest");

		fs::create_dir(&source)?;
		fs::create_dir(&dest)?;

		// Create source files
		fs::write(source.join("file1.txt"), "Hello World")?;
		fs::write(source.join("file2.txt"), "Another file")?;
		fs::create_dir(source.join("subdir"))?;
		fs::write(source.join("subdir/file3.txt"), "Nested file")?;

		// Find sy binary
		let sy_bin = std::env::current_exe()?.parent().unwrap().parent().unwrap().parent().unwrap().join("sy");

		if !sy_bin.exists() {
			eprintln!("Skipping test: sy binary not found at {}", sy_bin.display());
			return Ok(());
		}

		// Update PATH to include sy binary dir
		let path_env = std::env::var("PATH").unwrap_or_default();
		let new_path = format!("{}:{}", sy_bin.parent().unwrap().display(), path_env);
		unsafe {
			std::env::set_var("PATH", new_path);
		};

		let dest_sync_path = SyncPath::Local { path: dest.clone(), has_trailing_slash: false };

		sync_push(&source, &dest_sync_path, false, false).await?;

		// Verify
		assert!(dest.join("file1.txt").exists());
		assert_eq!(fs::read_to_string(dest.join("file1.txt"))?, "Hello World");
		assert!(dest.join("file2.txt").exists());
		assert!(dest.join("subdir/file3.txt").exists());

		Ok(())
	}

	#[tokio::test]
	async fn test_server_mode_pull_local() -> anyhow::Result<()> {
		let temp = TempDir::new()?;
		let source = temp.path().join("src");
		let dest = temp.path().join("dest");

		fs::create_dir(&source)?;
		fs::create_dir(&dest)?;

		// Create source files (simulating remote)
		fs::write(source.join("file1.txt"), "Pull test file 1")?;
		fs::write(source.join("file2.txt"), "Pull test file 2")?;
		fs::create_dir(source.join("subdir"))?;
		fs::write(source.join("subdir/file3.txt"), "Pull nested file")?;

		// Find sy binary
		let sy_bin = std::env::current_exe()?.parent().unwrap().parent().unwrap().parent().unwrap().join("sy");

		if !sy_bin.exists() {
			eprintln!("Skipping test: sy binary not found at {}", sy_bin.display());
			return Ok(());
		}

		// Update PATH to include sy binary dir
		let path_env = std::env::var("PATH").unwrap_or_default();
		let new_path = format!("{}:{}", sy_bin.parent().unwrap().display(), path_env);
		unsafe {
			std::env::set_var("PATH", new_path);
		};

		let source_sync_path = SyncPath::Local { path: source.clone(), has_trailing_slash: false };

		sync_pull(&source_sync_path, &dest, false, false).await?;

		// Verify
		assert!(dest.join("file1.txt").exists());
		assert_eq!(fs::read_to_string(dest.join("file1.txt"))?, "Pull test file 1");
		assert!(dest.join("file2.txt").exists());
		assert_eq!(fs::read_to_string(dest.join("file2.txt"))?, "Pull test file 2");
		assert!(dest.join("subdir/file3.txt").exists());
		assert_eq!(fs::read_to_string(dest.join("subdir/file3.txt"))?, "Pull nested file");

		Ok(())
	}
}