feat: support live-reload tui when file is changed (#68)

Author: fioncat

Cargo.lock

@@ -16,6 +16,7 @@ clap = { version = "^4", features = ["derive"] }
 crossterm = { version = "^0", features = ["use-dev-tty"] }
 dirs = "^6"
 humansize = "^2"
+notify = "^8"
 once_cell = "^1"
 paste = "^1"
 ratatui = "^0"

Cargo.toml

@@ -66,6 +66,10 @@ pub struct CommandArgs {
     #[clap(long)]
     pub max_data_size: Option<usize>,
 
+    /// Watch file changes, reload tui if updates
+    #[clap(long, short = 'R')]
+    pub live_reload: bool,
+
     /// Write debug logs into this file. The file will be created if not exists.
     #[clap(long)]
     pub debug: Option<String>,

src/cmd.rs

@@ -20,7 +20,8 @@ pub fn set_file(file: String) {
     FILE.set(file).unwrap();
 }
 
-pub fn write_logs(msg: String) -> Result<()> {
+pub fn write_logs(mut msg: String) -> Result<()> {
+    msg.push('\n');
     let file = match FILE.get() {
         Some(file) => file,
         None => return Ok(()),