fix: log to file

src/main.rs

@@ -9,9 +9,12 @@ mod overlays;
 mod shaders;
 mod state;
 
-use std::sync::{
-    atomic::{AtomicBool, Ordering},
-    Arc,
+use std::{
+    path::PathBuf,
+    sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc,
+    },
 };
 
 use clap::Parser;
@@ -36,18 +39,22 @@ struct Args {
     uninstall: bool,
 
     /// Path to write logs to
-    #[arg(short, long, value_name = "FOLDER")]
+    #[arg(short, long, value_name = "FILE_PATH")]
     log_to: Option<String>,
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     let args = Args::parse();
-    if let Some(ref log_to) = args.log_to {
+    let maybe_logfile = std::env::var("WLX_LOGFILE").ok();
+
+    if let Some(ref log_to) = args.log_to.as_ref().or(maybe_logfile.as_ref()) {
+        let file_spec = FileSpec::try_from(PathBuf::from(log_to))?;
         flexi_logger::Logger::try_with_env_or_str("info")?
-            .log_to_file(FileSpec::default().directory(log_to))
-            .log_to_stdout()
+            .log_to_file(file_spec)
+            .duplicate_to_stderr(flexi_logger::Duplicate::Info)
             .start()?;
-        println!("Logging to: {}", &log_to);
+        println!("   ****** Logging to: {} ******", &log_to);
+        println!("   ****** Console logs limited to Info ******");
     } else {
         flexi_logger::Logger::try_with_env_or_str("info")?.start()?;
     }