forked from zip-rs/zip-old
-
Notifications
You must be signed in to change notification settings - Fork 0
/
write_dir.rs
125 lines (107 loc) · 3.48 KB
/
write_dir.rs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
use std::io::prelude::*;
use std::io::{Seek, Write};
use std::iter::Iterator;
use zip::result::ZipError;
use zip::write::FileOptions;
use std::fs::File;
use std::path::Path;
use walkdir::{DirEntry, WalkDir};
fn main() {
std::process::exit(real_main());
}
const METHOD_STORED: Option<zip::CompressionMethod> = Some(zip::CompressionMethod::Stored);
#[cfg(any(
feature = "deflate",
feature = "deflate-miniz",
feature = "deflate-zlib"
))]
const METHOD_DEFLATED: Option<zip::CompressionMethod> = Some(zip::CompressionMethod::Deflated);
#[cfg(not(any(
feature = "deflate",
feature = "deflate-miniz",
feature = "deflate-zlib"
)))]
const METHOD_DEFLATED: Option<zip::CompressionMethod> = None;
#[cfg(feature = "bzip2")]
const METHOD_BZIP2: Option<zip::CompressionMethod> = Some(zip::CompressionMethod::Bzip2);
#[cfg(not(feature = "bzip2"))]
const METHOD_BZIP2: Option<zip::CompressionMethod> = None;
#[cfg(feature = "zstd")]
const METHOD_ZSTD: Option<zip::CompressionMethod> = Some(zip::CompressionMethod::Zstd);
#[cfg(not(feature = "zstd"))]
const METHOD_ZSTD: Option<zip::CompressionMethod> = None;
fn real_main() -> i32 {
let args: Vec<_> = std::env::args().collect();
if args.len() < 3 {
println!(
"Usage: {} <source_directory> <destination_zipfile>",
args[0]
);
return 1;
}
let src_dir = &*args[1];
let dst_file = &*args[2];
for &method in [METHOD_STORED, METHOD_DEFLATED, METHOD_BZIP2, METHOD_ZSTD].iter() {
if method.is_none() {
continue;
}
match doit(src_dir, dst_file, method.unwrap()) {
Ok(_) => println!("done: {src_dir} written to {dst_file}"),
Err(e) => println!("Error: {e:?}"),
}
}
0
}
fn zip_dir<T>(
it: &mut dyn Iterator<Item = DirEntry>,
prefix: &str,
writer: T,
method: zip::CompressionMethod,
) -> zip::result::ZipResult<()>
where
T: Write + Seek,
{
let mut zip = zip::ZipWriter::new(writer);
let options = FileOptions::default()
.compression_method(method)
.unix_permissions(0o755);
let mut buffer = Vec::new();
for entry in it {
let path = entry.path();
let name = path.strip_prefix(Path::new(prefix)).unwrap();
// 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:?} ...");
#[allow(deprecated)]
zip.start_file_from_path(name, options)?;
let mut f = File::open(path)?;
f.read_to_end(&mut buffer)?;
zip.write_all(&buffer)?;
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 {name:?} ...");
#[allow(deprecated)]
zip.add_directory_from_path(name, options)?;
}
}
zip.finish()?;
Result::Ok(())
}
fn doit(
src_dir: &str,
dst_file: &str,
method: zip::CompressionMethod,
) -> zip::result::ZipResult<()> {
if !Path::new(src_dir).is_dir() {
return Err(ZipError::FileNotFound);
}
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)?;
Ok(())
}