diff options
author | Lars Wirzenius <liw@liw.fi> | 2023-11-30 18:55:14 +0200 |
---|---|---|
committer | Lars Wirzenius <liw@liw.fi> | 2023-11-30 19:04:37 +0200 |
commit | a03fde12434d3f27b6734bac635b6aa2b097839a (patch) | |
tree | cb7ce0cd51dbe47d9bec337b79187a9d5d14dbe4 | |
parent | 427cd2202ccd94bf7cf1cd7b54fe4fd4d1f074ad (diff) | |
download | pathdedup-a03fde12434d3f27b6734bac635b6aa2b097839a.tar.gz |
fix: logic
Signed-off-by: Lars Wirzenius <liw@liw.fi>
Sponsored-by: author
-rw-r--r-- | Cargo.lock | 311 | ||||
-rw-r--r-- | Cargo.toml | 2 | ||||
-rw-r--r-- | src/main.rs | 22 |
3 files changed, 333 insertions, 2 deletions
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+use log::info; use std::{collections::HashSet, fs::metadata, os::unix::fs::MetadataExt}; fn main() -> anyhow::Result<()> { - println!("{}", pathdedup(&std::env::var("PATH")?)); + pretty_env_logger::init(); + let path = if let Some(path) = std::env::args().nth(1) { + path + } else { + std::env::var("PATH")? + }; + info!("de-duplicating {:?}", path); + println!("{}", pathdedup(&path)); Ok(()) } @@ -10,13 +18,23 @@ fn pathdedup(path: &str) -> String { let mut seen: HashSet<(u64, u64)> = HashSet::new(); for e in path.split(':') { - if !elements.contains(&e) { + if elements.contains(&e) { + info!("drop (exact match) {}", e); + } else { + info!("stat {}", e); if let Ok(meta) = metadata(e) { let key = (meta.dev(), meta.ino()); + info!("key {:?}", key); if !seen.contains(&key) { seen.insert(key); elements.push(e); + info!("keep {}", e); + } else { + info!("drop (stat match) {}", e); } + } else { + elements.push(e); + info!("keep {}", e); } } } |