From ac0a95044a5c36ee6b25765a4763a72de8acd737 Mon Sep 17 00:00:00 2001
From: Arne Keller <arne.keller@posteo.de>
Date: Mon, 12 Jul 2021 13:32:43 +0200
Subject: [PATCH] Only try to de-duplicate files + print progress

---
 src/main.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 41d4ff4..eeb8c9e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+use std::ffi::OsString;
 use std::{collections::HashMap, env, fs, hash::Hasher, os::unix::fs::symlink, path::PathBuf};
 
 use ahash::AHasher;
@@ -11,7 +12,9 @@ fn main() {
 	let dir: PathBuf = PathBuf::from(&args[1]);
 	let mut filenames = fs::read_dir(&dir).unwrap()
 		.map(Result::unwrap)
-		.map(|x| (x.metadata().unwrap().modified().unwrap(), x.file_name()))
+		.map(|x| (x.metadata().unwrap(), x.file_name()))
+		.filter(|(metadata, _)| metadata.is_file()) // exclude symlinks and directories
+		.map(|(metadata, name)| (metadata.modified().unwrap(), name))
 		.collect::<Vec<_>>();
 	filenames.sort();
 	let mut hashes = HashMap::new();
@@ -27,6 +30,7 @@ fn main() {
 			if hashes.contains_key(&key) {
 				fs::remove_file(&full_path).unwrap();
 				symlink(hashes[&key], &full_path).unwrap();
+				println!("linking {} -> {}", full_path.display(), (&hashes[&key] as &OsString).to_string_lossy());
 				fs_set_times::set_symlink_times(&full_path, None, Some(file.0.into())).unwrap();
 			} else {
 				hashes.insert(key, &file.1);