Initial commit.
This commit is contained in:
raute
commit
2179a13aa6
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target
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@ -0,0 +1,209 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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[[package]]
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name = "aho-corasick"
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version = "0.7.13"
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dependencies = [
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"libc",
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dependencies = [
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"chrono",
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"clap",
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"regex",
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"ansi_term",
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"atty",
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"bitflags",
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"strsim",
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"textwrap",
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"unicode-width",
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"vec_map",
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]
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[[package]]
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name = "hermit-abi"
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dependencies = [
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"libc",
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]
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name = "lazy_static"
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name = "libc"
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dependencies = [
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"autocfg",
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"num-traits",
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[[package]]
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name = "num-traits"
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name = "regex"
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"aho-corasick",
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"memchr",
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"regex-syntax",
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"thread_local",
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]
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[[package]]
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name = "regex-syntax"
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name = "thread_local"
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"lazy_static",
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]
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[[package]]
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name = "time"
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dependencies = [
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"libc",
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"winapi",
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]
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[[package]]
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name = "unicode-width"
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name = "vec_map"
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[[package]]
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name = "winapi"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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]
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[[package]]
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name = "winapi-i686-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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[[package]]
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name = "winapi-x86_64-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
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@ -0,0 +1,10 @@
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[package]
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||||
name = "bekape"
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||||
version = "0.1.0"
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authors = ["raute"]
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edition = "2018"
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[dependencies]
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chrono = "0.4"
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clap = "2.33"
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regex = "1.3"
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@ -0,0 +1,8 @@
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# Bekape
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I want to produce a very simple backup program that can be used by people who know nothing about their computer.
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It will need an easy GUI that lets you choose the folder to backup and an external drive and start the backup.
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For now there is no GUI, just a first try to to incremental backups using hardlinks.
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Pre-alpha. You really don't want to use this yet.
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@ -0,0 +1,127 @@
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use clap::{App, Arg};
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use regex::Regex;
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use std::fs;
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use std::time::SystemTime;
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use std::vec::Vec;
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fn browse_recursively(dir: &str) -> (Vec<String>, Vec<String>) {
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let mut content = Vec::new();
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let mut errors = Vec::new();
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let ls = fs::read_dir(dir);
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if let Ok(ls) = ls {
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for entry in ls {
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if let Ok(entry) = entry {
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let full_path = entry.path().to_string_lossy().to_string();
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if let Ok(file_type) = entry.file_type() {
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if file_type.is_dir() {
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let mut result = browse_recursively(&full_path);
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content.append(&mut result.0);
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errors.append(&mut result.1);
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} else {
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content.push(full_path);
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}
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} else {
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errors.push(full_path);
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}
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}
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}
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} else {
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errors.push(dir.to_string());
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}
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(content, errors)
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}
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fn get_file_metadata(file: &str) -> (SystemTime, u64) {
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if let Ok(metadata) = fs::metadata(file) {
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let time = metadata.modified().unwrap_or(std::time::UNIX_EPOCH);
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let size = metadata.len();
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return (time, size);
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};
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(std::time::UNIX_EPOCH, 0)
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}
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fn backup_element(path: &str, src_root: &str, bkp_root: &str, prev_bkp_root: &Option<String>) {
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let src_file = format!("{}{}", src_root, path);
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let bkp_file = format!("{}{}", bkp_root, path);
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let p = bkp_file.rfind('/').unwrap(); // TODO: Is unwrap okay here?
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let bkp_folder = bkp_file[0..p].to_string();
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let _ = fs::create_dir_all(&bkp_folder);
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let mut backup_done = false;
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if let Some(prev_bkp_root) = prev_bkp_root {
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let prev_bkp_file = format!("{}{}", prev_bkp_root, path);
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if std::path::Path::new(&prev_bkp_file).exists() {
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let prev_bkp_metadata = get_file_metadata(&prev_bkp_file);
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let src_metadata = get_file_metadata(&src_file);
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backup_done = prev_bkp_metadata.0 > src_metadata.0
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&& prev_bkp_metadata.1 == src_metadata.1
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&& fs::hard_link(&prev_bkp_file, &bkp_file).is_ok();
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}
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}
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if !backup_done && fs::copy(&src_file, &bkp_file).is_err() {
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eprintln!("Could not copy: {} -> {}", src_file, bkp_file);
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}
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}
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fn main() {
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let matches = App::new("bekape")
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.about("Simple backup program.")
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.arg(
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Arg::with_name("source")
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.help("The folder to backup")
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.required(true),
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)
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.arg(
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Arg::with_name("destination")
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.help("The folder to store the backup")
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.required(true),
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)
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.get_matches();
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let bkp_src = matches.value_of("source").unwrap();
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let bkp_dst = matches.value_of("destination").unwrap();
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let dt = chrono::offset::Utc::now().format("%Y-%m-%d_%H-%M-%S");
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let backup_folder = format!("{}/backup_{}_wip", bkp_dst, dt);
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if fs::create_dir(&backup_folder).is_err() {
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eprintln!("Could not create backup directory: {}", &backup_folder);
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std::process::exit(1);
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}
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// find previous backup
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let backup_regex = Regex::new(r"backup_\d{4}-\d{2}-\d{2}_\d{2}-\d{2}-\d{2}$").unwrap();
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let ls = fs::read_dir(bkp_dst);
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let prev_backup = if let Ok(ls) = ls {
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let mut ls = ls
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.filter_map(|s| s.ok())
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.map(|s| s.path().to_string_lossy().trim().to_owned())
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.filter(|s| backup_regex.is_match(&s))
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.collect::<Vec<_>>();
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if ls.is_empty() {
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None
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} else {
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ls.sort();
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||||
ls.last().cloned()
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}
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} else {
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None
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};
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let result = browse_recursively(&bkp_src);
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let content = result.0.iter().map(|s| {
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let l = bkp_src.len();
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s[l..].to_string()
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||||
});
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||||
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||||
for err in result.1 {
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||||
eprintln!("Could not read {}.", err);
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||||
}
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||||
for elem in content {
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backup_element(&elem, &bkp_src, &backup_folder, &prev_backup);
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||||
}
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let new_name = backup_folder.replace("_wip", "");
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if fs::rename(&backup_folder, &new_name).is_err() {
|
||||
eprintln!("Could not rename folder.");
|
||||
}
|
||||
}
|
||||
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