czkawka/czkawka_core/src/duplicate.rs

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// TODO when using GUI all or most println!() should be used as variables passed by argument
use humansize::{file_size_opts as options, FileSize};
use std::collections::{BTreeMap, HashMap};
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use std::fs::{File, Metadata};
use std::io::prelude::*;
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use std::path::Path;
use std::time::{SystemTime, UNIX_EPOCH};
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use std::{fs, process};
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use crate::common::Common;
#[derive(PartialEq)]
pub enum CheckingMethod {
SIZE,
HASH,
}
#[derive(Eq, PartialEq)]
pub enum DeleteMethod {
None,
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AllExceptNewest,
AllExceptOldest,
OneOldest,
OneNewest,
}
#[derive(Clone)]
struct FileEntry {
pub path: String,
pub size: u64,
pub created_date: SystemTime,
pub modified_date: SystemTime,
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}
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pub struct DuplicateFinder {
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number_of_checked_files: usize,
number_of_ignored_files: usize,
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number_of_checked_folders: usize,
number_of_ignored_things: usize,
number_of_duplicated_files: usize,
files_with_identical_size: HashMap<u64, Vec<FileEntry>>,
files_with_identical_hashes: BTreeMap<u64, Vec<Vec<FileEntry>>>,
allowed_extensions: Vec<String>, // jpg, jpeg, mp4
lost_space: u64,
// excluded_items: Vec<String>, // TODO, support for e.g. */.git/*
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excluded_directories: Vec<String>,
included_directories: Vec<String>,
min_file_size: u64,
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}
impl DuplicateFinder {
pub fn new() -> DuplicateFinder {
DuplicateFinder {
number_of_checked_files: 0,
number_of_ignored_files: 0,
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number_of_checked_folders: 0,
number_of_ignored_things: 0,
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number_of_duplicated_files: 0,
files_with_identical_size: Default::default(),
files_with_identical_hashes: Default::default(),
// excluded_items: vec![],
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excluded_directories: vec![],
included_directories: vec![],
min_file_size: 1024,
allowed_extensions: vec![],
lost_space: 0,
}
}
pub fn find_duplicates(mut self, check_method: &CheckingMethod, delete_method: &DeleteMethod) {
self.optimize_directories();
self.debug_print();
self.check_files_size();
self.remove_files_with_unique_size();
if *check_method == CheckingMethod::HASH {
self.check_files_hash();
}
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println!("FF");
self.debug_print();
self.calculate_lost_space(check_method);
self.print_duplicated_entries(check_method);
self.delete_files(check_method, delete_method);
}
pub fn set_min_file_size(&mut self, min_size: u64) {
self.min_file_size = min_size;
}
pub fn set_excluded_items(&mut self, _excluded_items: String) {
// TODO Still don't know how to exactly parse this
// Things like /.git/ should be by default hidden with help of this *.git*
}
pub fn set_allowed_extensions(&mut self, mut allowed_extensions: String) {
if allowed_extensions.is_empty() {
println!("No allowed extension was provided, so all are allowed");
}
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allowed_extensions = allowed_extensions.replace("IMAGE", "jpg,kra,gif,png,bmp,tiff,webp,hdr,svg");
allowed_extensions = allowed_extensions.replace("VIDEO", "mp4,flv,mkv,webm,vob,ogv,gifv,avi,mov,wmv,mpg,m4v,m4p,mpeg,3gp");
allowed_extensions = allowed_extensions.replace("MUSIC", "mp3,flac,ogg,tta,wma,webm");
allowed_extensions = allowed_extensions.replace("TEXT", "txt,doc,docx,odt,rtf");
let extensions: Vec<String> = allowed_extensions.split(',').map(String::from).collect();
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for mut extension in extensions {
if extension == "" {
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continue;
}
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if extension.contains('.') {
if !extension.starts_with('.') {
println!("{} is not valid extension(valid extension doesn't have dot inside)", extension);
continue;
}
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extension = extension.replace('.', "");
}
if !self.allowed_extensions.contains(&extension.trim().to_string()) {
self.allowed_extensions.push(extension.trim().to_string());
}
}
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if self.allowed_extensions.is_empty() {
println!("No valid extensions were provided, so allowing all extensions by default.");
}
}
pub fn set_include_directory(&mut self, mut include_directory: String) {
// let start_time: SystemTime = SystemTime::now();
if include_directory.is_empty() {
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println!("At least one directory must be provided");
}
include_directory = include_directory.replace("\"", "");
let directories: Vec<String> = include_directory.split(',').map(String::from).collect();
let mut checked_directories: Vec<String> = Vec::new();
for directory in directories {
let directory: String = directory.trim().to_string();
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if directory == "" {
continue;
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}
if directory == "/" {
println!("Using / is probably not good idea, you may go out of ram.");
}
if directory.contains('*') {
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println!("Include Directory ERROR: Wildcards are not supported, ignoring path {}.", directory);
continue;
}
if directory.starts_with('~') {
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println!("Include Directory ERROR: ~ in path isn't supported, ignoring path {}.", directory);
continue;
}
if !directory.starts_with('/') {
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println!("Include Directory ERROR: Relative path are not supported, ignoring path {}.", directory);
continue;
}
if !Path::new(&directory).exists() {
println!("Include Directory ERROR: Path {} doesn't exists.", directory);
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continue;
}
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if !Path::new(&directory).is_dir() {
println!("Include Directory ERROR: {} isn't folder.", directory);
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continue;
}
// directory must end with /, due to possibility of incorrect assumption, that e.g. /home/rafal is top folder to /home/rafalinho
if !directory.ends_with('/') {
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checked_directories.push(directory + "/");
} else {
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checked_directories.push(directory);
}
}
if checked_directories.is_empty() {
println!("Not found even one correct path to include.");
process::exit(1);
}
self.included_directories = checked_directories;
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//Common::print_time(start_time, SystemTime::now(), "set_include_directory".to_string());
}
pub fn set_exclude_directory(&mut self, mut exclude_directory: String) {
//let start_time: SystemTime = SystemTime::now();
if exclude_directory.is_empty() {
return;
}
exclude_directory = exclude_directory.replace("\"", "");
let directories: Vec<String> = exclude_directory.split(',').map(String::from).collect();
let mut checked_directories: Vec<String> = Vec::new();
for directory in directories {
let directory: String = directory.trim().to_string();
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if directory == "" {
continue;
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}
if directory == "/" {
println!("Exclude Directory ERROR: Excluding / is pointless, because it means that no files will be scanned.");
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break;
}
if directory.contains('*') {
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println!("Exclude Directory ERROR: Wildcards are not supported, ignoring path {}.", directory);
continue;
}
if directory.starts_with('~') {
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println!("Exclude Directory ERROR: ~ in path isn't supported, ignoring path {}.", directory);
continue;
}
if !directory.starts_with('/') {
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println!("Exclude Directory ERROR: Relative path are not supported, ignoring path {}.", directory);
continue;
}
if !Path::new(&directory).exists() {
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println!("Exclude Directory ERROR: Path {} doesn't exists.", directory);
continue;
}
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if !Path::new(&directory).is_dir() {
println!("Exclude Directory ERROR: {} isn't folder.", directory);
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continue;
}
// directory must end with /, due to possibility of incorrect assumption, that e.g. /home/rafal is top folder to /home/rafalinho
if !directory.ends_with('/') {
checked_directories.push(directory.trim().to_string() + "/");
} else {
checked_directories.push(directory.trim().to_string());
}
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}
self.excluded_directories = checked_directories;
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//Common::print_time(start_time, SystemTime::now(), "set_exclude_directory".to_string());
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}
fn calculate_lost_space(&mut self, check_method: &CheckingMethod) {
let mut bytes: u64 = 0;
match check_method {
CheckingMethod::SIZE => {
for i in &self.files_with_identical_size {
bytes += i.0 * (i.1.len() as u64 - 1);
}
}
CheckingMethod::HASH => {
for i in &self.files_with_identical_hashes {
for j in i.1 {
bytes += i.0 * (j.len() as u64 - 1);
}
}
}
}
self.lost_space = bytes;
}
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// TODO - Still isn't used but it will be probably required with GUI
// pub fn clear(&mut self) {
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//
// self.number_of_checked_files = 0;
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// self.number_of_checked_folders = 0;
// self.number_of_ignored_things = 0;
// self.number_of_files_which_has_duplicated_entries = 0;
// self.number_of_duplicated_files = 0;
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// self.files_sizeclear();
// self.excluded_directories.clear();
// self.included_directories.clear();
// }
fn check_files_size(&mut self) {
// TODO maybe add multithreading checking for file hash
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let start_time: SystemTime = SystemTime::now();
let mut folders_to_check: Vec<String> = Vec::with_capacity(1024 * 2); // This should be small enough too not see to big difference and
// big enough to store most of paths without needing to resize vector
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// Add root folders for finding
for id in &self.included_directories {
folders_to_check.push(id.to_string());
}
let mut current_folder: String;
let mut next_folder: String;
while !folders_to_check.is_empty() {
current_folder = folders_to_check.pop().unwrap();
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let read_dir = match fs::read_dir(&current_folder) {
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Ok(t) => t,
_ => continue,
};
for entry in read_dir {
let entry_data = match entry {
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Ok(t) => t,
Err(_) => continue, //Permissions denied
};
let metadata: Metadata = match entry_data.metadata() {
Ok(t) => t,
Err(_) => continue, //Permissions denied
};
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if metadata.is_dir() {
if entry_data.file_name().into_string().is_err() {
continue; // Permissions denied
}
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let mut is_excluded_dir = false;
next_folder = "".to_owned() + &current_folder + &entry_data.file_name().into_string().unwrap() + "/";
for ed in &self.excluded_directories {
if next_folder == *ed {
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is_excluded_dir = true;
break;
}
}
if !is_excluded_dir {
folders_to_check.push(next_folder);
}
self.number_of_checked_folders += 1;
//println!("Directory\t - {:?}", next_folder); // DEBUG
} else if metadata.is_file() {
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let mut have_valid_extension: bool;
let file_name_lowercase: String = entry_data.file_name().into_string().unwrap().to_lowercase();
if !self.allowed_extensions.is_empty() {
have_valid_extension = false;
for i in &self.allowed_extensions {
if file_name_lowercase.ends_with(&(".".to_string() + &*i.to_lowercase().to_string())) {
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have_valid_extension = true;
break;
}
}
} else {
have_valid_extension = true;
}
if metadata.len() >= self.min_file_size && have_valid_extension {
let current_file_name = "".to_owned() + &current_folder + &entry_data.file_name().into_string().unwrap();
// println!("File\t\t - {:?}", current_file_name); // DEBUG
//file_to_check
let fe: FileEntry = FileEntry {
path: current_file_name,
size: metadata.len(),
created_date: match metadata.created() {
Ok(t) => t,
Err(_) => SystemTime::now(),
},
modified_date: match metadata.modified() {
Ok(t) => t,
Err(_) => SystemTime::now(),
},
};
// // self.files_with_identical_size.entry from below should be faster according to clippy
// if !self.files_with_identical_size.contains_key(&metadata.len()) {
// self.files_with_identical_size.insert(metadata.len(), Vec::new());
// }
self.files_with_identical_size.entry(metadata.len()).or_insert_with(Vec::new);
self.files_with_identical_size.get_mut(&metadata.len()).unwrap().push(fe);
self.number_of_checked_files += 1;
} else {
self.number_of_ignored_files += 1;
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}
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} else {
// Probably this is symbolic links so we are free to ignore this
// println!("Found another type of file {} {:?}","".to_owned() + &current_folder + &entry_data.file_name().into_string().unwrap(), metadata) //DEBUG
self.number_of_ignored_things += 1;
}
}
}
self.debug_print();
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Common::print_time(start_time, SystemTime::now(), "check_files_size".to_string());
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//println!("Duration of finding duplicates {:?}", end_time.duration_since(start_time).expect("a"));
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}
// pub fn save_results_to_file(&self) {}
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/// Remove files which have unique size
fn remove_files_with_unique_size(&mut self) {
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let start_time: SystemTime = SystemTime::now();
self.debug_print();
let mut new_hashmap: HashMap<u64, Vec<FileEntry>> = Default::default();
self.number_of_duplicated_files = 0;
for entry in &self.files_with_identical_size {
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if entry.1.len() > 1 {
self.number_of_duplicated_files += entry.1.len() - 1;
new_hashmap.insert(*entry.0, entry.1.clone());
}
}
self.files_with_identical_size = new_hashmap;
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self.debug_print();
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Common::print_time(start_time, SystemTime::now(), "remove_files_with_unique_size".to_string());
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}
/// Should be slower than checking in different ways, but still needs to be checked
fn check_files_hash(&mut self) {
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let start_time: SystemTime = SystemTime::now();
let mut file_handler: File;
let mut hashmap_with_hash: HashMap<String, Vec<FileEntry>>;
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for entry in &self.files_with_identical_size {
hashmap_with_hash = Default::default();
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for file_entry in entry.1.iter().enumerate() {
file_handler = match File::open(&file_entry.1.path) {
Ok(t) => t,
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Err(_) => {
continue;
}
};
let mut error_reading_file: bool = false;
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let mut hasher: blake3::Hasher = blake3::Hasher::new();
let mut buffer = [0u8; 16384];
loop {
let n = match file_handler.read(&mut buffer) {
Ok(t) => t,
Err(_) => {
error_reading_file = true;
break;
}
}; //.unwrap();
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if n == 0 {
break;
}
hasher.update(&buffer[..n]);
}
if !error_reading_file {
let hash_string: String = hasher.finalize().to_hex().to_string();
hashmap_with_hash.entry(hash_string.to_string()).or_insert_with(Vec::new);
hashmap_with_hash.get_mut(&*hash_string).unwrap().push(file_entry.1.to_owned());
}
}
for hash_entry in hashmap_with_hash {
if hash_entry.1.len() > 1 {
self.files_with_identical_hashes.entry(*entry.0).or_insert_with(Vec::new);
self.files_with_identical_hashes.get_mut(entry.0).unwrap().push(hash_entry.1);
// self.files_with_identical_hashes.insert(*entry.0,hash_entry.1);
}
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}
}
self.debug_print();
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Common::print_time(start_time, SystemTime::now(), "check_files_hash".to_string());
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}
// /// I'm not sure about performance, so maybe I
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// pub fn find_small_duplicates_by_hashing(mut self){
// let start_time: SystemTime = SystemTime::now();
// let size_limit_for_small_files u64 = // 16 MB
// let mut new_hashmap
//
// Common::print_time(start_time, SystemTime::now(), "find_duplicates_by_comparing_begin_bytes_of_file".to_string());
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// }
/// Setting include directories, panics when there is not directories available
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fn debug_print(&self) {
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println!("---------------DEBUG PRINT---------------");
println!("Number of all checked files - {}", self.number_of_checked_files);
println!("Number of all ignored files - {}", self.number_of_ignored_files);
println!("Number of all checked folders - {}", self.number_of_checked_folders);
println!("Number of all ignored things - {}", self.number_of_ignored_things);
println!("Number of duplicated files - {}", self.number_of_duplicated_files);
let mut file_size: u64 = 0;
for i in &self.files_with_identical_size {
file_size += i.1.len() as u64;
}
println!("Files list size - {} ({})", self.files_with_identical_size.len(), file_size);
let mut hashed_file_size: u64 = 0;
for i in &self.files_with_identical_hashes {
for j in i.1 {
hashed_file_size += j.len() as u64;
}
}
println!("Hashed Files list size - {} ({})", self.files_with_identical_hashes.len(), hashed_file_size);
println!("Excluded directories - {:?}", self.excluded_directories);
println!("Included directories - {:?}", self.included_directories);
println!("-----------------------------------------");
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}
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fn print_duplicated_entries(&self, check_method: &CheckingMethod) {
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let start_time: SystemTime = SystemTime::now();
let mut number_of_files: u64 = 0;
let mut number_of_groups: u64 = 0;
match check_method {
CheckingMethod::HASH => {
for i in &self.files_with_identical_hashes {
for j in i.1 {
number_of_files += j.len() as u64;
number_of_groups += 1;
}
}
println!(
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"Found {} duplicated files in {} groups with same content which took {}:",
number_of_files,
number_of_groups,
self.lost_space.file_size(options::BINARY).unwrap()
);
for i in &self.files_with_identical_hashes {
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println!("Size - {}", i.0.file_size(options::BINARY).unwrap());
for j in i.1 {
for k in j {
println!("{}", k.path);
}
println!("----");
}
println!();
}
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}
CheckingMethod::SIZE => {
for i in &self.files_with_identical_size {
number_of_files += i.1.len() as u64;
number_of_groups += 1;
}
println!(
"Found {} files in {} groups with same size(may have different content) which took {}:",
number_of_files,
number_of_groups,
self.lost_space.file_size(options::BINARY).unwrap()
);
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for i in &self.files_with_identical_size {
println!("Size - {}", i.0);
for j in i.1 {
println!("{}", j.path);
}
println!();
}
}
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}
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Common::print_time(start_time, SystemTime::now(), "print_duplicated_entries".to_string());
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}
/// Remove unused entries when included or excluded overlaps with each other or are duplicated
/// ```
// let df : DuplicateFinder = saf
/// ```
fn optimize_directories(&mut self) {
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let start_time: SystemTime = SystemTime::now();
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let mut optimized_included: Vec<String> = Vec::<String>::new();
let mut optimized_excluded: Vec<String> = Vec::<String>::new();
// Remove duplicated entries like: "/", "/"
self.excluded_directories.sort();
self.included_directories.sort();
self.excluded_directories.dedup();
self.included_directories.dedup();
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// Optimize for duplicated included directories - "/", "/home". "/home/Pulpit" to "/"
let mut is_inside: bool;
for ed_checked in &self.excluded_directories {
is_inside = false;
for ed_help in &self.excluded_directories {
if ed_checked == ed_help {
// We checking same element
continue;
}
if ed_checked.starts_with(ed_help) {
is_inside = true;
break;
}
}
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if !is_inside {
optimized_excluded.push(ed_checked.to_string());
}
}
for id_checked in &self.included_directories {
is_inside = false;
for id_help in &self.included_directories {
if id_checked == id_help {
// We checking same element
continue;
}
if id_checked.starts_with(id_help) {
is_inside = true;
break;
}
}
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if !is_inside {
optimized_included.push(id_checked.to_string());
}
}
self.included_directories = optimized_included;
optimized_included = Vec::<String>::new();
self.excluded_directories = optimized_excluded;
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optimized_excluded = Vec::<String>::new();
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// Remove include directories which are inside any exclude directory
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for id in &self.included_directories {
let mut is_inside: bool = false;
for ed in &self.excluded_directories {
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if id.starts_with(ed) {
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is_inside = true;
break;
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}
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}
if !is_inside {
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optimized_included.push(id.to_string());
}
}
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self.included_directories = optimized_included;
optimized_included = Vec::<String>::new();
// Remove non existed directories
for id in &self.included_directories {
let path = Path::new(id);
if path.exists() {
optimized_included.push(id.to_string());
}
}
for ed in &self.excluded_directories {
let path = Path::new(ed);
if path.exists() {
optimized_excluded.push(ed.to_string());
}
}
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self.included_directories = optimized_included;
// optimized_included = Vec::<String>::new();
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self.excluded_directories = optimized_excluded;
optimized_excluded = Vec::<String>::new();
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// Excluded paths must are inside include path, because
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for ed in &self.excluded_directories {
let mut is_inside: bool = false;
for id in &self.included_directories {
if ed.starts_with(id) {
is_inside = true;
break;
}
}
if is_inside {
optimized_excluded.push(ed.to_string());
}
}
self.excluded_directories = optimized_excluded;
// optimized_excluded = Vec::<String>::new();
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if self.included_directories.is_empty() {
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println!("Optimize Directories ERROR: Excluded directories overlaps all included directories.");
process::exit(1);
}
// Not needed, but better is to have sorted everything
self.excluded_directories.sort();
self.included_directories.sort();
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Common::print_time(start_time, SystemTime::now(), "optimize_directories".to_string());
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}
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fn delete_files(&mut self, check_method: &CheckingMethod, delete_method: &DeleteMethod) {
if *delete_method == DeleteMethod::None {
return;
}
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let start_time: SystemTime = SystemTime::now();
let mut errors: Vec<String> = Vec::new();
match check_method {
CheckingMethod::HASH => {
for entry in &self.files_with_identical_hashes {
for vector in entry.1 {
delete_files(&vector, &delete_method, &mut errors);
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}
}
}
CheckingMethod::SIZE => {
for entry in &self.files_with_identical_size {
delete_files(&entry.1, &delete_method, &mut errors);
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}
}
}
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if !errors.is_empty() {
println!("Failed to delete some files, because they have got deleted earlier or you have too low privileges - try run it as root.");
println!("List of files which wasn't deleted:");
}
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for i in errors {
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println!("{}", i);
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}
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Common::print_time(start_time, SystemTime::now(), "delete_files".to_string());
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}
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}
impl Default for DuplicateFinder {
fn default() -> Self {
Self::new()
}
}
fn delete_files(vector: &[FileEntry], delete_method: &DeleteMethod, errors: &mut Vec<String>) {
assert!(vector.len() > 1, "Vector length must be bigger than 1(This should be done in previous steps).");
let mut q_index: usize = 0;
let mut q_time: u64 = 0;
match delete_method {
DeleteMethod::OneOldest => {
for files in vector.iter().enumerate() {
let time_since_epoch = files.1.created_date.duration_since(UNIX_EPOCH).expect("Invalid file date").as_secs();
if q_time == 0 || q_time > time_since_epoch {
q_time = time_since_epoch;
q_index = files.0;
}
}
match fs::remove_file(vector[q_index].path.clone()) {
Ok(_) => (),
Err(_) => errors.push(vector[q_index].path.clone()),
};
}
DeleteMethod::OneNewest => {
for files in vector.iter().enumerate() {
let time_since_epoch = files.1.created_date.duration_since(UNIX_EPOCH).expect("Invalid file date").as_secs();
if q_time == 0 || q_time < time_since_epoch {
q_time = time_since_epoch;
q_index = files.0;
}
}
match fs::remove_file(vector[q_index].path.clone()) {
Ok(_) => (),
Err(_) => errors.push(vector[q_index].path.clone()),
};
}
DeleteMethod::AllExceptOldest => {
for files in vector.iter().enumerate() {
let time_since_epoch = files.1.created_date.duration_since(UNIX_EPOCH).expect("Invalid file date").as_secs();
if q_time == 0 || q_time > time_since_epoch {
q_time = time_since_epoch;
q_index = files.0;
}
}
for files in vector.iter().enumerate() {
if q_index != files.0 {
match fs::remove_file(vector[files.0].path.clone()) {
Ok(_) => (),
Err(_) => errors.push(vector[files.0].path.clone()),
};
}
}
}
DeleteMethod::AllExceptNewest => {
for files in vector.iter().enumerate() {
let time_since_epoch = files.1.created_date.duration_since(UNIX_EPOCH).expect("Invalid file date").as_secs();
if q_time == 0 || q_time < time_since_epoch {
q_time = time_since_epoch;
q_index = files.0;
}
}
for files in vector.iter().enumerate() {
if q_index != files.0 {
match fs::remove_file(vector[files.0].path.clone()) {
Ok(_) => (),
Err(_) => errors.push(vector[files.0].path.clone()),
};
}
}
}
DeleteMethod::None => {
panic!();
}
};
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}