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use flate2::Compression;
use flate2::write::GzEncoder;
use std::fs::{self, File};
use std::io::{self, Write};
use std::path::{MAIN_SEPARATOR, Path};
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_left_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(())
}
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