better symlink handling

src/main.rs

@@ -17,7 +17,7 @@ use osc94::Progress;
 use rayon::prelude::*;
 use std::borrow::Cow;
 use std::collections::HashMap;
-use std::fs::File;
+use std::fs::{canonicalize, File};
 use std::io::{read_to_string, stdin, BufReader, Stderr, Write};
 use std::iter::once;
 use std::sync::atomic::{AtomicUsize, Ordering};
@@ -90,6 +90,11 @@ fn main() -> MainResult {
             })?;
             LogFile::from_string(content)
         } else {
+            let path = canonicalize(path)?;
+            let path = path
+                .into_os_string()
+                .into_string()
+                .map_err(|_| "non utf8 path")?;
             let file = File::open(&path)?;
             let file = BufReader::new(file);
             LogFile::open(&path, file).map_err(|err| LogError::Read { err, path })?