wei_file/
lib.rs

1use std::fs;
2use std::time::UNIX_EPOCH;
3
4pub fn get_timestamp(path: &str) -> std::io::Result<u64> {
5    let metadata = fs::metadata(path)?;
6    let modified_time = metadata.modified()?;
7    let duration_since_epoch = modified_time.duration_since(UNIX_EPOCH)
8        .map_err(|_| std::io::Error::new(std::io::ErrorKind::Other, "Time went backwards"))?;
9    Ok(duration_since_epoch.as_secs())
10}
11
12use std::fs::File;
13use std::io::BufReader;
14use std::io::BufWriter;
15use std::path::Path;
16
17pub fn xz_decompress(lzma_file_path: &str) -> Result<(), Box<dyn std::error::Error>> {
18    // 打开一个 lzma 压缩文件
19    let lzma_file = File::open(lzma_file_path)?;
20    let path = Path::new(lzma_file_path);
21    // 获取lzma_file的目录
22    let lzma_file_dir = path.parent().ok_or("No parent directory")?;
23    // 获取lzma_file的文件名
24    let lzma_file_name = path.file_name().ok_or("No file name")?.to_str().ok_or("Cannot convert to str")?.replace(".xz", "");
25    let mut lzma_reader = BufReader::new(lzma_file);
26
27    // 获取file的文件名
28    let tar_file_name = lzma_file_name.clone().replace(".xz", "");
29
30    // 创建一个新的 tar 文件
31    let tar_file = File::create(lzma_file_dir.join(lzma_file_name))?;
32    let mut tar_writer = BufWriter::new(tar_file);
33
34    // 解压缩 lzma 文件到 tar 文件
35    lzma_rs::xz_decompress(&mut lzma_reader, &mut tar_writer)?;
36
37    // 解压 tar 文件到 lzma_file_dir 目录
38    let tar_file = File::open(lzma_file_dir.join(tar_file_name))?;
39    let mut archive = tar::Archive::new(BufReader::new(tar_file));
40    archive.unpack(lzma_file_dir)?;
41
42    Ok(())
43}
44
45
46pub fn xz_compress(tar_dir_path: &str) -> Result<(), Box<dyn std::error::Error>> {
47    let tar_dir = Path::new(tar_dir_path);
48    let tar_parent_dir = tar_dir.parent().ok_or("No parent directory")?;
49    // 我要分解这个 tar_dir_path 的目录，如何分解？
50    let tar_dir = tar_dir.file_name().ok_or("No file name")?.to_str().ok_or("Cannot convert to str")?;
51
52    // 打开一个目录，使用wsl tar 并压缩目录下的所有文件
53    #[cfg(target_os = "windows")]
54    let data = std::process::Command::new("wsl")
55        .arg("tar")
56        .arg("-cJf")
57        .arg(format!("{}.tar.xz", tar_dir))
58        .arg(tar_dir)
59        .current_dir(tar_parent_dir)
60        .output().expect("failed to execute process");
61
62    #[cfg(target_os = "linux")]
63    let data = std::process::Command::new("tar")
64        .arg("-cJf")
65        .arg(format!("{}.tar.xz", tar_dir))
66        .arg(tar_dir)
67        .current_dir(tar_parent_dir)
68        .output().expect("failed to execute process");
69
70    if !data.status.success() {
71        let data = format!("{:?}", data);
72        return std::result::Result::Err(data.into());
73    }
74
75    Ok(())
76}
wei_file/lib.rs

wei_file/
lib.rs
