96 lines
No EOL
2.7 KiB
Rust
96 lines
No EOL
2.7 KiB
Rust
extern crate zip;
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extern crate walkdir;
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use std::io::prelude::*;
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use std::io::{Write, Seek};
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use std::iter::Iterator;
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use zip::write::FileOptions;
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use zip::result::ZipError;
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use walkdir::{WalkDir, DirEntry};
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use std::path::Path;
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use std::fs::File;
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fn main() {
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std::process::exit(real_main());
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}
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const METHOD_STORED : Option<zip::CompressionMethod> = Some(zip::CompressionMethod::Stored);
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#[cfg(feature = "bzip2")]
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const METHOD_BZIP2 : Option<zip::CompressionMethod> = Some(zip::CompressionMethod::Bzip2);
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#[cfg(not(feature = "bzip2"))]
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const METHOD_BZIP2 : Option<zip::CompressionMethod> = None;
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#[cfg(feature = "deflate")]
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const METHOD_DEFLATED : Option<zip::CompressionMethod> = Some(zip::CompressionMethod::Deflated);
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#[cfg(not(feature = "deflate"))]
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const METHOD_DEFLATED : Option<zip::CompressionMethod> = None;
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fn real_main() -> i32 {
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let args: Vec<_> = std::env::args().collect();
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if args.len() < 3 {
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println!("Usage: {} <source_directory> <destination_zipfile>",
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args[0]);
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return 1;
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}
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let src_dir = &*args[1];
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let dst_file = &*args[2];
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for &method in [METHOD_STORED, METHOD_BZIP2, METHOD_DEFLATED].iter() {
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if method.is_none() { continue }
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match doit(src_dir, dst_file, method.unwrap()) {
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Ok(_) => println!("done: {} written to {}", src_dir, dst_file),
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Err(e) => println!("Error: {:?}", e),
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}
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}
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return 0;
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}
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fn zip_dir<T>(it: &mut Iterator<Item=DirEntry>, prefix: &str, writer: T, method: zip::CompressionMethod)
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-> zip::result::ZipResult<()>
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where T: Write+Seek
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{
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let mut zip = zip::ZipWriter::new(writer);
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let options = FileOptions::default()
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.compression_method(method)
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.unix_permissions(0o755);
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let mut buffer = Vec::new();
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for entry in it {
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let path = entry.path();
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let name = path.strip_prefix(Path::new(prefix))
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.unwrap()
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.to_str()
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.unwrap();
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if path.is_file() {
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println!("adding {:?} as {:?} ...", path, name);
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zip.start_file(name, options)?;
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let mut f = File::open(path)?;
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f.read_to_end(&mut buffer)?;
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zip.write_all(&*buffer)?;
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buffer.clear();
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}
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}
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zip.finish()?;
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Result::Ok(())
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}
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fn doit(src_dir: &str, dst_file: &str, method: zip::CompressionMethod) -> zip::result::ZipResult<()> {
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if !Path::new(src_dir).is_dir() {
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return Err(ZipError::FileNotFound);
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}
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let path = Path::new(dst_file);
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let file = File::create(&path).unwrap();
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let walkdir = WalkDir::new(src_dir.to_string());
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let it = walkdir.into_iter();
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zip_dir(&mut it.filter_map(|e| e.ok()), src_dir, file, method)?;
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Ok(())
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} |