feat: logging to log file

soulseek-rs/src/cli.rs

@@ -1,4 +1,5 @@
 use clap::{Parser, Subcommand};
+use std::path::PathBuf;
 
 #[derive(Parser, Debug)]
 #[command(
@@ -32,6 +33,9 @@ pub struct Cli {
     #[arg(short, long, global = true, action = clap::ArgAction::Count)]
     pub verbose: u8,
 
+    #[arg(long, env = "LOG_FILE", help = "Write logs to file instead of stderr")]
+    pub log_file: Option<PathBuf>,
+
     #[command(subcommand)]
     pub command: Option<Commands>,
 

soulseek-rs/src/main.rs

@@ -29,6 +29,11 @@ fn main() -> Result<()> {
     };
     env::set_var("LOG_LEVEL", log_level);
 
+    // Set LOG_FILE env var if provided via CLI
+    if let Some(log_file) = &cli.log_file {
+        env::set_var("LOG_FILE", log_file.to_string_lossy().to_string());
+    }
+
     let username = cli.username
         .ok_or_else(|| color_eyre::eyre::eyre!("Username required: use --username or set SOULSEEK_USERNAME env var"))?;