Files
piperun-bot/src/zip_directory_util.rs

70 lines
2.4 KiB
Rust

pub mod zip_directory_util {
use std::io::prelude::*;
use zip::write::SimpleFileOptions;
use std::fs::File;
use std::path::Path;
use walkdir::{DirEntry, WalkDir};
fn zip_dir<T>(
it: &mut dyn Iterator<Item = DirEntry>,
prefix: &Path,
writer: T,
method: zip::CompressionMethod,
) where
T: Write + Seek,
{
let mut zip = zip::ZipWriter::new(writer);
let options = SimpleFileOptions::default()
.compression_method(method)
.unix_permissions(0o755);
let prefix = Path::new(prefix);
let mut buffer = Vec::new();
for entry in it {
let path = entry.path();
let name = path.strip_prefix(prefix).unwrap();
let path_as_string = name
.to_str()
.map(str::to_owned)
.expect("Failed to parse path");
// Write file or directory explicitly
// Some unzip tools unzip files with directory paths correctly, some do not!
if path.is_file() {
println!("adding file {path:?} as {name:?} ...");
zip.start_file(path_as_string, options)
.expect("Failed to add file");
let mut f = File::open(path).unwrap();
f.read_to_end(&mut buffer).expect("Failed to read file");
zip.write_all(&buffer).expect("Failed to write file");
buffer.clear();
} else if !name.as_os_str().is_empty() {
// Only if not root! Avoids path spec / warning
// and mapname conversion failed error on unzip
println!("adding dir {path_as_string:?} as {name:?} ...");
zip.add_directory(path_as_string, options)
.expect("Failed to add directory");
}
}
zip.finish().expect("Failed to ZIP");
}
pub fn zip_source_dir_to_dst_file(src_dir: &Path, dst_file: &Path) {
if !Path::new(src_dir).is_dir() {
panic!("src_dir must be a directory");
}
let method = zip::CompressionMethod::Stored;
let path = Path::new(dst_file);
let file = File::create(path).unwrap();
let walkdir = WalkDir::new(src_dir);
let it = walkdir.into_iter();
zip_dir(&mut it.filter_map(|e| e.ok()), src_dir, file, method);
}
}