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improv(zip_extract): flush files to disk

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This ensures the files are fully on the disk when the operation is done.
This commit is contained in:
Vukašin Vojinović 2026-01-24 13:48:31 +01:00
parent 1963e58560
commit d9f654ffe3
3 changed files with 79 additions and 72 deletions
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108
src/archive.rs
View file

@ -1,15 +1,14 @@
use std::{
collections::VecDeque,
fs,
io::{self, Read, Write},
path::Path,
};
use zip::result::ZipError;
use crate::{
mime_icon::mime_for_path,
operation::{Controller, OpReader, OperationError, OperationErrorType},
operation::{Controller, OpReader, OperationError, OperationErrorType, sync_to_disk},
};
use std::{
collections::HashSet,
fs,
io::{self, Read, Write},
path::{Path, PathBuf},
};
use zip::result::ZipError;
pub const SUPPORTED_ARCHIVE_TYPES: &[&str] = &[
"application/gzip",
@ -113,27 +112,36 @@ fn zip_extract<R: io::Read + io::Seek, P: AsRef<Path>>(
use std::{ffi::OsString, fs};
use zip::result::ZipError;
fn make_writable_dir_all<T: AsRef<Path>>(outpath: T) -> Result<(), ZipError> {
fs::create_dir_all(outpath.as_ref())?;
fn make_writable_dir_all<T: AsRef<Path>>(
outpath: T,
target_dirs: &mut HashSet<PathBuf>,
) -> Result<(), ZipError> {
let path = outpath.as_ref();
if !path.exists() {
fs::create_dir_all(path)?;
}
if !target_dirs.contains(path) {
target_dirs.insert(path.to_path_buf());
}
#[cfg(unix)]
{
// Dirs must be writable until all normal files are extracted
use std::os::unix::fs::PermissionsExt;
std::fs::set_permissions(
outpath.as_ref(),
std::fs::Permissions::from_mode(
0o700 | std::fs::metadata(outpath.as_ref())?.permissions().mode(),
),
fs::set_permissions(
path,
fs::Permissions::from_mode(0o700 | fs::metadata(path)?.permissions().mode()),
)?;
}
Ok(())
}
#[cfg(unix)]
let mut files_by_unix_mode = Vec::new();
let mut buffer = vec![0; 4 * 1024 * 1024];
let total_files = archive.len();
let mut pending_directory_creates = VecDeque::new();
let mut written_files = Vec::with_capacity(total_files);
let mut target_dirs = HashSet::new();
#[cfg(unix)]
let mut files_by_unix_mode = Vec::with_capacity(total_files);
for i in 0..total_files {
futures::executor::block_on(async {
@ -143,7 +151,7 @@ fn zip_extract<R: io::Read + io::Seek, P: AsRef<Path>>(
.map_err(|s| io::Error::other(OperationError::from_state(s, &controller)))
})?;
controller.set_progress((i as f32) / total_files as f32);
controller.set_progress(i as f32 / total_files as f32);
let mut file = match password {
None => archive.by_index(i),
@ -156,26 +164,22 @@ fn zip_extract<R: io::Read + io::Seek, P: AsRef<Path>>(
let outpath = directory.as_ref().join(filepath);
if file.is_dir() {
pending_directory_creates.push_back(outpath.clone());
make_writable_dir_all(&outpath, &mut target_dirs)?;
#[cfg(unix)]
if let Some(mode) = file.unix_mode() {
files_by_unix_mode.push((outpath, mode));
}
continue;
}
let symlink_target = if file.is_symlink() && (cfg!(unix) || cfg!(windows)) {
if let Some(parent) = outpath.parent() {
make_writable_dir_all(parent, &mut target_dirs)?;
}
if file.is_symlink() && (cfg!(unix) || cfg!(windows)) {
let mut target = Vec::with_capacity(file.size() as usize);
file.read_to_end(&mut target)?;
Some(target)
} else {
None
};
drop(file);
if let Some(target) = symlink_target {
// create all pending dirs
while let Some(pending_dir) = pending_directory_creates.pop_front() {
make_writable_dir_all(pending_dir)?;
}
if let Some(p) = outpath.parent() {
make_writable_dir_all(p)?;
}
#[cfg(unix)]
{
@ -205,21 +209,10 @@ fn zip_extract<R: io::Read + io::Seek, P: AsRef<Path>>(
std::os::windows::fs::symlink_file(target_path, outpath.as_path())?;
}
}
written_files.push(outpath);
continue;
}
let mut file = match password {
None => archive.by_index(i),
Some(pwd) => archive.by_index_decrypt(i, pwd.as_bytes()),
}?;
// create all pending dirs
while let Some(pending_dir) = pending_directory_creates.pop_front() {
make_writable_dir_all(pending_dir)?;
}
if let Some(p) = outpath.parent() {
make_writable_dir_all(p)?;
}
let total = file.size();
let mut outfile = fs::File::create(&outpath)?;
@ -245,13 +238,14 @@ fn zip_extract<R: io::Read + io::Seek, P: AsRef<Path>>(
controller.set_progress(total_progress);
}
}
// Check for real permissions, which we'll set in a second pass
#[cfg(unix)]
{
// Check for real permissions, which we'll set in a second pass
if let Some(mode) = file.unix_mode() {
files_by_unix_mode.push((outpath.clone(), mode));
}
if let Some(mode) = file.unix_mode() {
files_by_unix_mode.push((outpath.clone(), mode));
}
written_files.push(outpath);
}
#[cfg(unix)]
{
@ -260,11 +254,15 @@ fn zip_extract<R: io::Read + io::Seek, P: AsRef<Path>>(
if files_by_unix_mode.len() > 1 {
// Ensure we update children's permissions before making a parent unwritable
files_by_unix_mode.sort_by_key(|(path, _)| Reverse(path.clone()));
files_by_unix_mode.sort_by_key(|(path, _)| Reverse(path.components().count()));
}
for (path, mode) in files_by_unix_mode {
fs::set_permissions(&path, fs::Permissions::from_mode(mode))?;
}
}
// Flush files to disk
futures::executor::block_on(async { sync_to_disk(written_files, target_dirs).await });
Ok(())
}