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piecka 2025-03-26 16:14:48 +01:00
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Cargo.toml Normal file
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[package]
name = "rcp"
version = "0.1.0"
edition = "2021"
description = "A modern replacement for cp with progress bars"
license = "MIT"
authors = ["Alexander Pieck <admin@team-pieck.de>"]
[dependencies]
indicatif = "0.17.11" # Removed non-existent feature
anyhow = "1.0"
walkdir = "2.4"
glob = "0.3"
clap = { version = "4.4", features = ["derive"] }
colored = "2.1"
filetime = "0.2" # For preserving timestamps
thiserror = "1.0" # For better error handling

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src/main.rs Normal file
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use std::fs;
use std::io::{self, Read, Write};
use std::path::{Path, PathBuf};
use std::collections::VecDeque;
use colored::Colorize;
use indicatif::{ProgressBar, ProgressStyle};
use anyhow::Result;
use walkdir::WalkDir;
use glob::glob;
use clap::Parser;
use filetime::FileTime;
#[derive(Parser, Debug)]
#[command(
name = "rcp",
version,
about = "A modern replacement for cp with progress bars",
long_about = None
)]
struct Args {
#[arg(required = true)]
sources: Vec<String>,
#[arg(required = true)]
dest: String,
#[arg(short, long)]
recursive: bool,
#[arg(short = 'n', long, default_value_t = 5)]
max_history: usize,
#[arg(short, long)]
preserve: bool,
}
fn create_file_progress_bar() -> ProgressBar {
ProgressBar::new(0).with_style(
ProgressStyle::with_template("{msg}\n[{bar:40.cyan/blue}] {bytes}/{total_bytes} ({eta})")
.unwrap()
.progress_chars("##-"),
)
}
fn create_summary_progress_bar() -> ProgressBar {
ProgressBar::new(0).with_style(
ProgressStyle::with_template("\n[{bar:40.green/yellow}] {pos}/{len} files")
.unwrap()
.progress_chars("##-"),
)
}
fn collect_files(sources: &[String], recursive: bool) -> Result<Vec<PathBuf>> {
let mut all_files = Vec::new();
for src_pattern in sources {
if src_pattern.contains('*') {
for entry in glob(src_pattern)? {
let path = entry?;
if path.is_dir() && !recursive {
eprintln!("{}: Skipping directory (use -r to copy)", path.display().to_string().yellow());
continue;
}
all_files.push(path);
}
} else {
let path = PathBuf::from(src_pattern);
if !path.exists() {
return Err(anyhow::anyhow!("Source file not found: {}", path.display()));
}
if path.is_dir() && !recursive {
eprintln!("{}: Skipping directory (use -r to copy)", path.display().to_string().yellow());
continue;
}
all_files.push(path);
}
}
if recursive {
let mut dir_files = Vec::new();
for path in &all_files {
if path.is_dir() {
for entry in WalkDir::new(path) {
match entry {
Ok(e) if e.file_type().is_file() => dir_files.push(e.into_path()),
Err(e) => eprintln!("{}: {}", "Warning".yellow(), e),
_ => continue,
}
}
}
}
all_files.extend(dir_files);
}
if all_files.is_empty() {
return Err(anyhow::anyhow!("No files to copy"));
}
Ok(all_files)
}
fn copy_file_with_progress(src: &Path, dst: &Path, pb: &ProgressBar, preserve: bool) -> Result<()> {
let mut src_file = fs::File::open(src)?;
let file_size = src_file.metadata()?.len();
pb.set_length(file_size);
let mut dst_file = fs::File::create(dst)?;
let mut buffer = vec![0u8; 64 * 1024];
let mut total_copied = 0;
loop {
let bytes_read = src_file.read(&mut buffer)?;
if bytes_read == 0 {
break;
}
dst_file.write_all(&buffer[..bytes_read])?;
total_copied += bytes_read as u64;
pb.set_position(total_copied);
}
if preserve {
let metadata = src_file.metadata()?;
filetime::set_file_times(
dst,
FileTime::from_last_access_time(&metadata),
FileTime::from_last_modification_time(&metadata),
)?;
}
Ok(())
}
fn main() -> Result<()> {
let args = Args::parse();
let file_pb = create_file_progress_bar();
let summary_pb = create_summary_progress_bar();
let all_files = collect_files(&args.sources, args.recursive)?;
let total_files = all_files.len();
summary_pb.set_length(total_files as u64);
let mut history = VecDeque::with_capacity(args.max_history);
let mut success_count = 0;
for src in &all_files {
let dst = if PathBuf::from(&args.dest).is_dir() {
PathBuf::from(&args.dest).join(
src.file_name()
.unwrap_or_else(|| src.as_os_str())
)
} else {
PathBuf::from(&args.dest)
};
file_pb.reset();
file_pb.set_message(format!("{}: {}", "Copying".bold().yellow(), src.display()));
match copy_file_with_progress(src, &dst, &file_pb, args.preserve) {
Ok(_) => {
success_count += 1;
if history.len() >= args.max_history {
history.pop_front();
}
history.push_back(format!("{}: {}", "Copied".green(), src.display()));
println!("\x1B[2J\x1B[H"); // Clear screen
println!("{}", file_pb);
for item in &history {
println!("{}", item);
}
println!("{}", summary_pb);
}
Err(e) => {
eprintln!("{}: {}", "Error".red(), e);
}
}
summary_pb.inc(1);
}
file_pb.finish_and_clear();
summary_pb.finish_with_message(
format!("{} ({} successful, {} errors)",
"Copy complete".bold().green(),
success_count.to_string().green(),
(total_files - success_count).to_string().red()
)
);
if success_count != total_files {
std::process::exit(1);
}
Ok(())
}