backup-deduplicator 0.3.0

A tool to deduplicate backups. It builds a hash tree of all files and folders in the target directory. Optionally also traversing into archives like zip or tar files. The hash tree is then used to find duplicate files and folders.
Documentation 
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use crate::hash::{GeneralHash, GeneralHasher};

pub struct NullHasher {
    
}

impl GeneralHasher for NullHasher {
    fn new() -> Self {
        NullHasher {
            
        }
    }

    fn update(&mut self, _data: &[u8]) {
        
    }

    fn finalize(self: Box<Self>) -> GeneralHash {
        GeneralHash::NULL
    }
}