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Better file hasing

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Cyryl Płotnicki 2019-09-01 22:17:51 +01:00
parent 1464cd26c8
commit e275877d73
1 changed files with 2 additions and 9 deletions
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11
src/repository.rs
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@ -1,5 +1,5 @@
use std::fs;
use std::path::Path; use std::path::Path;
use std::{fs, io};
use crate::error::BakareError; use crate::error::BakareError;
use crate::index::{Index, IndexIterator}; use crate::index::{Index, IndexIterator};
@ -89,16 +89,9 @@ impl<'a> Repository<'a> {
fn calculate_initial_version(source_path: &Path) -> Result<Box<[u8]>, BakareError> { fn calculate_initial_version(source_path: &Path) -> Result<Box<[u8]>, BakareError> {
let source_file = File::open(source_path)?; let source_file = File::open(source_path)?;
let mut reader = BufReader::new(source_file); let mut reader = BufReader::new(source_file);
let mut buffer = Vec::with_capacity(1024);
let mut hasher = Sha512::new(); let mut hasher = Sha512::new();
loop { io::copy(&mut reader, &mut hasher)?;
let count = reader.read(&mut buffer)?;
if count == 0 {
break;
}
hasher.input(&buffer);
}
let version = hasher.result(); let version = hasher.result();
Ok(Box::from(version.as_slice())) Ok(Box::from(version.as_slice()))