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+fs-set-times = "0.5.1" diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..41d4ff4 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,36 @@ +use std::{collections::HashMap, env, fs, hash::Hasher, os::unix::fs::symlink, path::PathBuf}; + +use ahash::AHasher; + +fn main() { + let args = env::args_os().collect::>(); + if args.len() != 2 { + println!("usage: ./symlinkDupes "); + return; + } + 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())) + .collect::>(); + filenames.sort(); + let mut hashes = HashMap::new(); + let hasher = AHasher::new_with_keys(1234340981, 567840211); + for file in &filenames { + let full_path = dir.join(&file.1); + let content = fs::read(&full_path).unwrap(); + if content.len() > 0 { + let mut hasher = hasher.clone(); + hasher.write(&content); + let hash = hasher.finish(); + let key = (hash, content.len()); + if hashes.contains_key(&key) { + fs::remove_file(&full_path).unwrap(); + symlink(hashes[&key], &full_path).unwrap(); + fs_set_times::set_symlink_times(&full_path, None, Some(file.0.into())).unwrap(); + } else { + hashes.insert(key, &file.1); + } + } + } +}