bvm 0.0.20

Proof of concept
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use dprint_cli_core::types::ErrBox;
use std::io::prelude::*;
use std::path::Path;

use crate::environment::Environment;

// todo: consolidate with code in dprint (maybe move to crate?)

pub async fn extract_zip(
    message: &str,
    environment: &impl Environment,
    zip_bytes: &[u8],
    dir_path: &Path,
) -> Result<(), ErrBox> {
    // adapted from https://github.com/mvdnes/zip-rs/blob/master/examples/extract.rs
    let reader = std::io::Cursor::new(&zip_bytes);
    let mut zip = zip::ZipArchive::new(reader)?;
    let length = zip.len();

    environment
        .log_action_with_progress(
            message,
            move |update_size| -> Result<(), ErrBox> {
                // todo: consider parallelizing this
                for i in 0..zip.len() {
                    update_size(i);
                    let mut file = zip.by_index(i).unwrap();
                    let file_name = file.sanitized_name();
                    let file_path = dir_path.join(&file_name);

                    if !file.is_dir() {
                        let mut file_bytes = Vec::with_capacity(file.size() as usize);
                        file.read_to_end(&mut file_bytes)?;
                        environment.write_file(&file_path, &file_bytes)?;
                    } else {
                        environment.create_dir_all(&file_path)?
                    }

                    // Get and Set permissions
                    #[cfg(unix)]
                    if environment.is_real() {
                        use std::fs;
                        use std::os::unix::fs::PermissionsExt;

                        if let Some(mode) = file.unix_mode() {
                            fs::set_permissions(&file_path, fs::Permissions::from_mode(mode))?;
                        }
                    }
                }
                Ok(())
            },
            length,
        )
        .await?
}