bakare/src/backup.rs
2018-12-22 11:31:27 +00:00

62 lines
1.4 KiB
Rust

use crate::storage::Version;
use std::fs;
use std::io;
use std::path::Path;
use walkdir::DirEntry;
use walkdir::WalkDir;
pub struct Engine<'a> {
source_path: &'a Path,
repository_path: &'a Path,
}
impl<'a> Engine<'a> {
pub fn new(source_path: &'a Path, repository_path: &'a Path) -> Self {
Engine {
source_path,
repository_path,
}
}
pub fn backup(&self) -> Result<(), io::Error> {
let walker = WalkDir::new(self.source_path);
for maybe_entry in walker {
let entry = maybe_entry?;
if entry.path() != self.source_path {
self.process_entry(&entry)?;
}
}
Ok(())
}
pub fn file_version(&self, path: &Path) -> Version {
Version::Newest
}
fn process_entry(&self, entry: &DirEntry) -> Result<(), io::Error> {
// TODO: remember entry in index
// TODO: store file data
if entry.file_type().is_dir() {
fs::create_dir(self.repository_path.join(entry.file_name()))?;
}
if entry.file_type().is_file() {
fs::copy(entry.path(), self.repository_path.join(entry.file_name()))?;
}
Ok(())
}
}
#[cfg(test)]
mod should {
#[test]
fn store_file_where_index_tells_it() {
// fake index, all files stores at the same path
// backup
// see if repo contains one file at the faked path
assert!(false);
}
}