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use flate2::{write::GzEncoder, Compression};
use std::{
fs::{self, File},
io::{self, Write},
path::{Path, MAIN_SEPARATOR},
};
use tar::Builder;
// todo: this is pretty involved. (re)factor this into its own crate
pub fn dir<W>(
buf: W,
path: &str,
) -> io::Result<()>
where
W: Write,
{
let mut archive = Builder::new(GzEncoder::new(buf, Compression::best()));
fn bundle<F>(
dir: &Path,
f: &mut F,
bundle_dir: bool,
) -> io::Result<()>
where
F: FnMut(&Path) -> io::Result<()>,
{
if fs::metadata(dir)?.is_dir() {
if bundle_dir {
f(&dir)?;
}
for entry in fs::read_dir(dir)? {
let entry = entry?;
if fs::metadata(entry.path())?.is_dir() {
bundle(&entry.path(), f, true)?;
} else {
f(&entry.path().as_path())?;
}
}
}
Ok(())
}
{
let base_path = Path::new(path).canonicalize()?;
// todo: don't unwrap
let mut base_path_str = base_path.to_str().unwrap().to_owned();
if let Some(last) = base_path_str.chars().last() {
if last != MAIN_SEPARATOR {
base_path_str.push(MAIN_SEPARATOR)
}
}
let mut append = |path: &Path| {
let canonical = path.canonicalize()?;
// todo: don't unwrap
let relativized = canonical
.to_str()
.unwrap()
.trim_start_matches(&base_path_str[..]);
if path.is_dir() {
archive.append_dir(Path::new(relativized), &canonical)?
} else {
archive.append_file(Path::new(relativized), &mut File::open(&canonical)?)?
}
Ok(())
};
bundle(Path::new(path), &mut append, false)?;
}
archive.finish()?;
Ok(())
}
|
