hadris-cpio-cli 2.0.0-rc.4

CLI utility for CPIO archive operations
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use std::fs::File;
use std::io::BufWriter;
use std::path::PathBuf;

use anyhow::{Context, Result};
use hadris_cpio::{CpioArchiveWriter, CpioWriteOptions, FileTree};

pub fn create(directory: PathBuf, output: PathBuf, crc: bool) -> Result<()> {
    let tree = FileTree::from_fs(&directory)
        .with_context(|| format!("Failed to scan directory: {}", directory.display()))?;

    let options = CpioWriteOptions { use_crc: crc };
    let file = File::create(&output)
        .with_context(|| format!("Failed to create output file: {}", output.display()))?;
    let buf = BufWriter::new(file);

    CpioArchiveWriter::new(buf, options)
        .finish(&tree)
        .context("Failed to write CPIO archive")?;

    let format_name = if crc { "newc+crc" } else { "newc" };
    println!("Created {} archive: {}", format_name, output.display());

    Ok(())
}