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Adopt pinned public core snapshot and prepare Sized 2.0.0
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gamertan
2026-10-10 13:11:02 -04:00
parent c2cc458f27
commit e0707447ad
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crates/sized-core/Cargo.toml
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[package]
name = "sized-core"
version = "0.0.0"
edition = "2021"
rust-version = "1.88"
description = "Shared Unix filesystem scanner for Sized and SizeQueen"
license = "GPL-3.0-only"
repository = "https://gitea.speelman.ca/gamertan/sized-core"
readme = "README.md"
publish = false
# Preserve the existing import name used by the included SizeQueen snapshot.
[lib]
name = "sized"
[dependencies]
ignore = "0.4.25"
rayon = "1.11"
serde = { version = "1.0.228", features = ["derive"] }
[dev-dependencies]
tempfile = "=3.24.0"
crates/sized-core/LICENSE
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If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.
crates/sized-core/PROVENANCE.md
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# Source provenance
This initial extraction retains the existing GPL-3.0-only licence and credits
Cole Speelman / Gamertan's Sized scanner. Repository privacy does not change
the source licence. No new licensing or contributor agreement is introduced.
- `src/scan.rs`: byte-identical to Sized at
`9fd4e905b00ad23cea06bfaa1cc6a9608032266c` on `sizequeen-scan-hardening`.
Scanner behaviour was introduced in `8b177e2`; `988aad9` changed one Display
format string without changing behaviour.
SHA-256: `a134f8f40bd0994f6ea332325e2b43ff47d558c42106135a951f2f8aa46be4ce`.
- `src/lib.rs`: byte-identical to SizeQueen's included core at
`e17ef84` on `experiment/macos-native`, preserving its public re-exports and
legacy `build_tree` compatibility helper.
- `tests/scanning.rs`: copied unchanged from Sized. SHA-256:
`5fdb6ff3197aa24ceb2699f5787298b00ede69a87af07d7ca4fbdb911125a292`.
- `tests/linux_mount.rs`: Sized's real-mount regression adapted to test the
library independently; the original Sized test also checks CLI JSON output.
- Linux check scripts and pinned runtime: adapted from the checked Sized branch,
replacing the CLI smoke with a release-built library example.
SizeQueen's older scanner snapshot differs only in the equivalent Display
format string. It remains unchanged until a deliberate consumer migration.
The scanner's original baseline was Sized
`9c8d1d43fdb5f4f540d4bea14275bc51ef69f92c`.
The treemap layout and native bridge remain in SizeQueen. They are not part of
this extraction. Detailed accounting findings remain in SizeQueen's
`research/SIZED-AUDIT.md`; Sized's review and CI evidence remain in its
`TODO.md` and `SHIPMENT.md`.
crates/sized-core/README.md
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# Sized core
Shared Rust filesystem scanning for [Sized](https://gitea.speelman.ca/gamertan/sized)
and [SizeQueen](https://gitea.speelman.ca/gamertan/sizequeen), by Gamertan.
This is a private extraction experiment. The existing applications still use
their current scanner copies; adopting this repository is a separate change.
The library reports apparent bytes and allocated 512-byte blocks, counts hard
links deterministically, preserves partial-scan issues, and supports cancellation,
progress, per-scan worker selection, ignore rules and filesystem boundaries.
It contains no desktop, terminal formatting, web or Swift dependencies.
Linux and macOS are supported; Windows allocation is not implemented.
## Use
The Cargo package is `sized-core`; its library import remains `sized` for
compatibility with the current SizeQueen snapshot. Pin a reviewed Git revision
when adopting it. Private Git dependencies require access to this repository.
```rust
use sized::{scan_tree, ScanControl, ScanError, ScanOptions, ScanReport};
use std::path::Path;
fn scan_chosen_path(path: &Path) -> Result<ScanReport, ScanError> {
scan_tree(path, &ScanOptions::default(), &ScanControl::default())
}
// Inspect report.issues and report.root.complete before calling a scan complete.
```
Use `scan_tree` for new consumers. The legacy `build_tree` helper converts a
failed scan to an unavailable node and does not preserve diagnostics.
Cancellation is cooperative between filesystem calls. Allocated blocks do not
predict recoverable space on filesystems with shared extents or snapshots.
## Check
Run tests as an ordinary user; permission regressions intentionally fail as root.
```sh
cargo fmt --all -- --check
cargo test --locked
cargo clippy --locked --all-targets -- -D warnings
./scripts/check-linux.sh linux/arm64
./scripts/check-linux.sh linux/amd64
```
The Linux script pins Rust 1.88.0, runs as UID 65532 with capabilities dropped,
creates two actual tmpfs devices, and checks a release-built example against an
owned fixture. The mount test is ignored in normal Cargo runs and explicitly
enabled by the script.
The example requires an explicit path: `cargo run --locked --example scan -- PATH`.
### Gitea CI
`.gitea/workflows/linux.yml` runs the same checks on the existing cliff-mads
runner's `himesan-node24` label with a pinned Rust/Node job image. The image
pre-owns `/workspace/gamertan/sized-core` for UID 65532, including checkout.
Jobs have no Docker socket or privileged mode; the runner mounts the two tmpfs
devices. No runner configuration, labels or unrelated jobs are changed.
Rebuild the local image intentionally with:
```sh
ssh cliff-mads 'docker build --platform linux/amd64 --tag local/gamertan-ci:sized-core-rust188 -' < scripts/gitea-linux.Dockerfile
ssh cliff-mads 'docker image inspect local/gamertan-ci:sized-core-rust188 --format "{{.Id}}"'
```
Review and update the workflow image ID after a rebuild. It stays local to
cliff-mads. Repository Actions must be enabled. Checks cover owner-triggered,
same-repository pushes on main/review branches and PRs to main; manual dispatch
is available. Documentation-only pushes skip builds. No package or release is
published. `TODO.md` records the actual provider result and tested source commit.
Source provenance and licence are in [PROVENANCE.md](PROVENANCE.md) and
[LICENSE](LICENSE). The live iteration queue is [TODO.md](TODO.md).
crates/sized-core/examples/scan.rs
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use sized::{scan_tree, ScanControl, ScanOptions};
use std::{error::Error, path::PathBuf};
fn main() -> Result<(), Box<dyn Error>> {
let Some(path) = std::env::args_os().nth(1).map(PathBuf::from) else {
eprintln!("Usage: scan PATH");
std::process::exit(2);
};
let report = scan_tree(&path, &ScanOptions::default(), &ScanControl::default())?;
println!(
"apparent={} allocated={} entries={} complete={} issues={}",
report.root.size_bytes,
report.root.blocks * 512,
report.entries_scanned,
report.root.complete,
report.issues.len()
);
if !report.root.complete {
for issue in report.issues {
eprintln!("{}: {}", issue.path.display(), issue.message);
}
std::process::exit(1);
}
Ok(())
}
crates/sized-core/src/lib.rs
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//! Sized's scanner without its command-line presentation dependencies.
pub mod scan;
pub use scan::*;
use std::path::Path;
/// Compatibility entry point for the original accounting probes.
pub fn build_tree(path: &Path, ignore: bool, compare: bool) -> Node {
scan_tree(
path,
&ScanOptions {
respect_ignore: ignore,
compare_ignore: compare,
..ScanOptions::default()
},
&ScanControl::default(),
)
.map(|report| report.root)
.unwrap_or_else(|_| Node::unavailable(path))
}
crates/sized-core/src/scan.rs
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//! Filesystem scanning, independent of CLI parsing and presentation.
//! Allocation is the filesystem's reported 512-byte blocks, not a prediction
//! of bytes freed by deletion (snapshots and shared extents can differ).
use ignore::WalkBuilder;
use rayon::prelude::*;
use serde::Serialize;
use std::{
collections::HashSet,
fs::{self, Metadata},
io,
os::unix::fs::MetadataExt,
path::{Path, PathBuf},
sync::{
atomic::{AtomicBool, AtomicU64, Ordering},
Arc, Mutex,
},
};
#[derive(Clone, Copy, Serialize, Debug, PartialEq, Eq)]
pub struct FileIdentity {
pub device: u64,
pub inode: u64,
pub links: u64,
}
#[derive(Clone, Serialize, Debug)]
pub struct Node {
pub path: PathBuf,
pub size_bytes: u64,
pub blocks: u64,
pub size_bytes_filtered: u64,
pub blocks_filtered: u64,
pub entry_type: EntryType,
pub accessible: bool,
/// False when this node or any descendant could not be scanned.
pub complete: bool,
pub symlink: bool,
pub skipped_mount: bool,
pub hard_link_duplicate: bool,
pub identity: Option<FileIdentity>,
#[serde(skip)]
pub children: Vec<Node>,
#[serde(skip)]
pub own_size_bytes: u64,
#[serde(skip)]
pub own_blocks: u64,
#[serde(skip)]
included_by_filter: bool,
}
#[derive(Clone, Serialize, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub enum EntryType {
File,
Dir,
Special,
Unknown,
}
impl std::fmt::Display for EntryType {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{self:?}")
}
}
impl Node {
pub(crate) fn unavailable(path: &Path) -> Self {
Self {
path: path.into(),
size_bytes: 0,
blocks: 0,
size_bytes_filtered: 0,
blocks_filtered: 0,
entry_type: EntryType::Unknown,
accessible: false,
complete: false,
symlink: false,
skipped_mount: false,
hard_link_duplicate: false,
identity: None,
children: Vec::new(),
own_size_bytes: 0,
own_blocks: 0,
included_by_filter: true,
}
}
fn from_metadata(path: &Path, meta: &Metadata) -> Self {
let mut node = Self::unavailable(path);
node.entry_type = if meta.is_dir() {
EntryType::Dir
} else if meta.is_file() || meta.is_symlink() {
EntryType::File
} else {
EntryType::Special
};
node.accessible = true;
node.complete = true;
node.symlink = meta.is_symlink();
node.identity = Some(FileIdentity {
device: meta.dev(),
inode: meta.ino(),
links: meta.nlink(),
});
node.own_size_bytes = meta.len();
node.own_blocks = meta.blocks();
node
}
}
#[derive(Clone, Debug, Default)]
pub struct ScanOptions {
pub respect_ignore: bool,
pub compare_ignore: bool,
pub stay_on_filesystem: bool,
/// None or zero selects Rayon's default worker count, scoped to this scan.
pub threads: Option<usize>,
}
/// Create a fresh control for each scan; clones share cancellation and progress.
#[derive(Clone, Debug, Default)]
pub struct ScanControl {
cancelled: Arc<AtomicBool>,
visited: Arc<AtomicU64>,
}
impl ScanControl {
pub fn cancel(&self) {
self.cancelled.store(true, Ordering::Relaxed);
}
pub fn is_cancelled(&self) -> bool {
self.cancelled.load(Ordering::Relaxed)
}
pub fn entries_scanned(&self) -> u64 {
self.visited.load(Ordering::Relaxed)
}
fn check(&self) -> Result<(), ScanError> {
if self.is_cancelled() {
Err(ScanError::Cancelled)
} else {
Ok(())
}
}
}
#[derive(Debug)]
pub struct ScanIssue {
pub path: PathBuf,
pub kind: io::ErrorKind,
pub message: String,
}
#[derive(Debug)]
pub struct ScanReport {
pub root: Node,
pub issues: Vec<ScanIssue>,
pub entries_scanned: u64,
}
#[derive(Debug)]
pub enum ScanError {
Root { path: PathBuf, source: io::Error },
WorkerPool(rayon::ThreadPoolBuildError),
Cancelled,
}
impl std::fmt::Display for ScanError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::Root { path, source } => {
write!(f, "cannot scan '{}': {}", path.display(), source)
}
Self::WorkerPool(e) => write!(f, "cannot start scan workers: {e}"),
Self::Cancelled => write!(f, "scan cancelled"),
}
}
}
impl std::error::Error for ScanError {}
/// The completed tree is published only after deterministic hard-link accounting.
/// Cancellation is cooperative between filesystem calls, not syscall preemption.
pub fn scan_tree(
path: &Path,
options: &ScanOptions,
control: &ScanControl,
) -> Result<ScanReport, ScanError> {
control.check()?;
let metadata = fs::symlink_metadata(path).map_err(|source| ScanError::Root {
path: path.into(),
source,
})?;
let pool = rayon::ThreadPoolBuilder::new()
.num_threads(options.threads.unwrap_or(0))
.build()
.map_err(ScanError::WorkerPool)?;
let context = Context {
options,
control,
root_device: metadata.dev(),
issues: Mutex::new(Vec::new()),
};
let mut root = pool.install(|| context.visit(path, Some(metadata)))?;
control.check()?;
reduce(
&mut root,
true,
&mut HashSet::new(),
&mut HashSet::new(),
control,
)?;
control.check()?;
let mut issues = context.issues.into_inner().unwrap();
issues.sort_by(|a, b| a.path.cmp(&b.path).then(a.message.cmp(&b.message)));
Ok(ScanReport {
root,
issues,
entries_scanned: control.entries_scanned(),
})
}
struct Context<'a> {
options: &'a ScanOptions,
control: &'a ScanControl,
root_device: u64,
issues: Mutex<Vec<ScanIssue>>,
}
impl Context<'_> {
fn issue(&self, path: &Path, kind: io::ErrorKind, message: String) {
self.issues.lock().unwrap().push(ScanIssue {
path: path.into(),
kind,
message,
});
}
fn visit(&self, path: &Path, metadata: Option<Metadata>) -> Result<Node, ScanError> {
self.control.check()?;
self.control.visited.fetch_add(1, Ordering::Relaxed);
let metadata = match metadata
.map(Ok)
.unwrap_or_else(|| fs::symlink_metadata(path))
{
Ok(meta) => meta,
Err(e) => {
self.issue(path, e.kind(), e.to_string());
return Ok(Node::unavailable(path));
}
};
let mut node = Node::from_metadata(path, &metadata);
if self.options.stay_on_filesystem && metadata.dev() != self.root_device {
node.skipped_mount = true;
node.own_size_bytes = 0;
node.own_blocks = 0;
return Ok(node);
}
if node.entry_type != EntryType::Dir {
return Ok(node);
}
if let Err(e) = fs::read_dir(path) {
self.issue(path, e.kind(), e.to_string());
node.accessible = false;
node.complete = false;
return Ok(node);
}
let total_ignore = self.options.respect_ignore && !self.options.compare_ignore;
let (paths, total_complete) = self.paths(path, total_ignore)?;
let (filtered, filtered_complete) = if self.options.compare_ignore {
let (paths, complete) = self.paths(path, true)?;
(paths.into_iter().collect::<HashSet<_>>(), complete)
} else {
(HashSet::new(), true)
};
node.complete = total_complete && filtered_complete;
node.children = paths
.par_iter()
.map(|child| {
let mut node = self.visit(child, None)?;
node.included_by_filter = !self.options.compare_ignore || filtered.contains(child);
Ok(node)
})
.collect::<Result<Vec<_>, ScanError>>()?;
Ok(node)
}
fn paths(&self, path: &Path, respect_ignore: bool) -> Result<(Vec<PathBuf>, bool), ScanError> {
let walker = WalkBuilder::new(path)
.standard_filters(false)
.hidden(false)
.parents(respect_ignore)
.git_ignore(respect_ignore)
.ignore(respect_ignore)
.max_depth(Some(1))
.build();
let mut paths = Vec::new();
let mut complete = true;
for entry in walker {
self.control.check()?;
match entry {
Ok(entry) if entry.path() != path => paths.push(entry.into_path()),
Ok(_) => {}
Err(e) => {
complete = false;
self.issue(
path,
e.io_error().map_or(io::ErrorKind::Other, |e| e.kind()),
e.to_string(),
);
}
}
}
// Parallel collection preserves this order; ownership of a shared inode
// is then stable across worker counts and repeated scans.
paths.sort();
Ok((paths, complete))
}
}
fn reduce(
node: &mut Node,
included: bool,
all_seen: &mut HashSet<(u64, u64)>,
filtered_seen: &mut HashSet<(u64, u64)>,
control: &ScanControl,
) -> Result<(), ScanError> {
control.check()?;
node.size_bytes = node.own_size_bytes;
node.blocks = node.own_blocks;
node.size_bytes_filtered = if included { node.own_size_bytes } else { 0 };
node.blocks_filtered = if included { node.own_blocks } else { 0 };
if node.entry_type != EntryType::Dir {
if let Some(id) = node.identity.filter(|id| id.links > 1) {
let key = (id.device, id.inode);
if !all_seen.insert(key) {
node.blocks = 0;
node.hard_link_duplicate = true;
}
if included && !filtered_seen.insert(key) {
node.blocks_filtered = 0;
}
}
}
for child in &mut node.children {
reduce(
child,
included && child.included_by_filter,
all_seen,
filtered_seen,
control,
)?;
node.size_bytes += child.size_bytes;
node.blocks += child.blocks;
node.size_bytes_filtered += child.size_bytes_filtered;
node.blocks_filtered += child.blocks_filtered;
node.complete &= child.complete;
}
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
use tempfile::tempdir;
#[test]
fn foreign_device_entry_is_marked_without_scanning_its_contents() {
let dir = tempdir().unwrap();
fs::write(dir.path().join("content"), b"not visited").unwrap();
let meta = fs::symlink_metadata(dir.path()).unwrap();
let control = ScanControl::default();
let options = ScanOptions {
stay_on_filesystem: true,
..ScanOptions::default()
};
// Inject the parent scan's different device; this exercises the boundary
// policy without creating mounts or requiring privileged test setup.
let context = Context {
options: &options,
control: &control,
root_device: meta.dev().wrapping_add(1),
issues: Mutex::new(Vec::new()),
};
let mut node = context.visit(dir.path(), Some(meta)).unwrap();
reduce(
&mut node,
true,
&mut HashSet::new(),
&mut HashSet::new(),
&control,
)
.unwrap();
assert!(node.skipped_mount);
assert!(node.children.is_empty());
assert_eq!(node.blocks, 0);
assert_eq!(control.entries_scanned(), 1);
assert!(node.complete);
}
#[test]
fn vanished_child_is_reported_without_fabricating_accessibility() {
let dir = tempdir().unwrap();
let path = dir.path().join("vanished-after-discovery");
let options = ScanOptions::default();
let control = ScanControl::default();
let context = Context {
options: &options,
control: &control,
root_device: fs::metadata(dir.path()).unwrap().dev(),
issues: Mutex::new(Vec::new()),
};
let node = context.visit(&path, None).unwrap();
assert!(!node.accessible);
assert!(!node.complete);
let issues = context.issues.into_inner().unwrap();
assert_eq!(issues[0].path, path);
assert_eq!(issues[0].kind, io::ErrorKind::NotFound);
}
}
crates/sized-core/tests/linux_mount.rs
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#![cfg(target_os = "linux")]
use sized::{scan_tree, ScanControl, ScanOptions};
use std::{fs, io::Write, os::unix::fs::MetadataExt, path::PathBuf};
use tempfile::NamedTempFile;
#[test]
#[ignore = "requires the two owned tmpfs mounts from scripts/check-linux.sh"]
fn real_mount_boundary_is_respected_by_scanner() {
let root = PathBuf::from(
std::env::var_os("SIZED_TEST_MOUNT_ROOT").expect("missing mounted Linux fixture"),
);
let foreign = root.join("foreign");
let root_metadata = fs::metadata(&root).unwrap();
let foreign_metadata = fs::metadata(&foreign).unwrap();
assert_ne!(
root_metadata.dev(),
foreign_metadata.dev(),
"not a real boundary"
);
let mut local_file = NamedTempFile::new_in(&root).unwrap();
let mut mounted_file = NamedTempFile::new_in(&foreign).unwrap();
local_file.write_all(b"local allocation").unwrap();
mounted_file.write_all(&[7; 8192]).unwrap();
local_file.as_file().sync_all().unwrap();
mounted_file.as_file().sync_all().unwrap();
for bounded in [false, true] {
let report = scan_tree(
&root,
&ScanOptions {
stay_on_filesystem: bounded,
threads: Some(2),
..ScanOptions::default()
},
&ScanControl::default(),
)
.unwrap();
assert!(report.root.complete);
assert!(report.issues.is_empty());
let mount = report
.root
.children
.iter()
.find(|n| n.path == foreign)
.unwrap();
assert_eq!(mount.identity.unwrap().device, foreign_metadata.dev());
assert_eq!(mount.skipped_mount, bounded);
assert_eq!(report.entries_scanned, if bounded { 3 } else { 4 });
let expected_blocks =
root_metadata.blocks() + local_file.as_file().metadata().unwrap().blocks();
if bounded {
assert!(mount.children.is_empty());
assert_eq!(mount.blocks, 0);
assert_eq!(mount.size_bytes, 0);
assert_eq!(report.root.blocks, expected_blocks);
} else {
assert_eq!(mount.children.len(), 1);
assert_eq!(mount.children[0].path, mounted_file.path());
assert_eq!(mount.children[0].size_bytes, 8192);
assert_eq!(
report.root.blocks,
expected_blocks
+ foreign_metadata.blocks()
+ mounted_file.as_file().metadata().unwrap().blocks()
);
}
}
}
crates/sized-core/tests/scanning.rs
+254
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#![cfg(unix)]
use sized::{build_tree, scan_tree, EntryType, ScanControl, ScanError, ScanOptions};
use std::{
fs,
io::Write,
os::unix::fs::{symlink, MetadataExt, PermissionsExt},
};
use tempfile::tempdir;
fn scan(path: &std::path::Path) -> sized::ScanReport {
scan_tree(path, &ScanOptions::default(), &ScanControl::default()).unwrap()
}
#[test]
fn hard_links_count_allocation_once_but_keep_apparent_sizes() {
let dir = tempdir().unwrap();
let original = dir.path().join("a-original");
fs::write(&original, [9; 65536]).unwrap();
fs::hard_link(&original, dir.path().join("z-alias")).unwrap();
let expected =
fs::metadata(&original).unwrap().blocks() + fs::metadata(dir.path()).unwrap().blocks();
for threads in [1, 4] {
let report = scan_tree(
dir.path(),
&ScanOptions {
threads: Some(threads),
..ScanOptions::default()
},
&ScanControl::default(),
)
.unwrap();
assert_eq!(report.root.blocks, expected);
assert_eq!(report.root.children[0].size_bytes, 65536);
assert_eq!(report.root.children[1].size_bytes, 65536);
assert!(!report.root.children[0].hard_link_duplicate);
assert!(report.root.children[1].hard_link_duplicate);
assert_eq!(report.root.children[1].blocks, 0);
assert_eq!(report.entries_scanned, 3);
assert!(report.root.complete);
}
}
#[test]
fn ignored_hard_link_does_not_steal_filtered_allocation() {
let dir = tempdir().unwrap();
fs::write(dir.path().join(".ignore"), "a-ignored\n").unwrap();
let original = dir.path().join("a-ignored");
fs::write(&original, [9; 65536]).unwrap();
fs::hard_link(&original, dir.path().join("z-included")).unwrap();
let report = scan_tree(
dir.path(),
&ScanOptions {
compare_ignore: true,
..ScanOptions::default()
},
&ScanControl::default(),
)
.unwrap();
let expected = fs::metadata(&original).unwrap().blocks()
+ fs::metadata(dir.path()).unwrap().blocks()
+ fs::metadata(dir.path().join(".ignore")).unwrap().blocks();
assert_eq!(report.root.blocks, expected);
assert_eq!(report.root.blocks_filtered, expected);
assert_eq!(report.root.children.last().unwrap().blocks, 0);
assert!(report.root.children.last().unwrap().blocks_filtered > 0);
}
#[test]
fn hidden_files_are_counted_without_ignore_filtering() {
let dir = tempdir().unwrap();
fs::write(dir.path().join(".hidden"), b"hidden").unwrap();
fs::write(dir.path().join(".ignore"), "build\n").unwrap();
fs::write(dir.path().join("build"), b"build").unwrap();
assert_eq!(scan(dir.path()).root.children.len(), 3);
let report = scan_tree(
dir.path(),
&ScanOptions {
respect_ignore: true,
..ScanOptions::default()
},
&ScanControl::default(),
)
.unwrap();
assert_eq!(report.root.children.len(), 2);
assert!(report
.root
.children
.iter()
.any(|n| n.path.ends_with(".hidden")));
}
#[test]
fn ignore_rules_are_inherited_by_nested_directories() {
let dir = tempdir().unwrap();
fs::write(dir.path().join(".ignore"), "*.tmp\n").unwrap();
let nested = dir.path().join("nested");
fs::create_dir(&nested).unwrap();
fs::write(nested.join("skip.tmp"), b"ignored").unwrap();
fs::write(nested.join("keep.bin"), b"included").unwrap();
let report = scan_tree(
dir.path(),
&ScanOptions {
respect_ignore: true,
..ScanOptions::default()
},
&ScanControl::default(),
)
.unwrap();
let children = &report
.root
.children
.iter()
.find(|n| n.path == nested)
.unwrap()
.children;
assert_eq!(children.len(), 1);
assert!(children[0].path.ends_with("keep.bin"));
let compared = scan_tree(
dir.path(),
&ScanOptions {
compare_ignore: true,
..ScanOptions::default()
},
&ScanControl::default(),
)
.unwrap();
assert_eq!(compared.root.size_bytes_filtered, report.root.size_bytes);
assert_eq!(compared.root.blocks_filtered, report.root.blocks);
}
#[test]
fn sparse_file_reports_blocks_and_logical_length_separately() {
let dir = tempdir().unwrap();
let path = dir.path().join("sparse");
let mut file = fs::File::create(&path).unwrap();
file.write_all(&[7; 4096]).unwrap();
file.set_len(128 * 1024 * 1024).unwrap();
file.sync_all().unwrap();
let node = scan(&path).root;
assert_eq!(node.size_bytes, 128 * 1024 * 1024);
assert_eq!(node.blocks, fs::metadata(path).unwrap().blocks());
assert!(node.blocks * 512 < node.size_bytes);
}
#[test]
fn symlinks_including_loop_and_dangling_link_are_leaves() {
let dir = tempdir().unwrap();
symlink(dir.path(), dir.path().join("loop")).unwrap();
symlink(dir.path().join("missing"), dir.path().join("dangling")).unwrap();
let report = scan(dir.path());
assert_eq!(report.root.children.len(), 2);
for node in report.root.children {
assert!(node.symlink);
assert!(node.children.is_empty());
assert!(node.complete);
}
}
#[test]
fn missing_root_returns_error_and_legacy_helper_marks_unavailable() {
let dir = tempdir().unwrap();
let path = dir.path().join("vanished");
assert!(
matches!(scan_tree(&path, &ScanOptions::default(), &ScanControl::default()),
Err(ScanError::Root { source, .. }) if source.kind() == std::io::ErrorKind::NotFound)
);
let node = build_tree(&path, false, false);
assert_eq!(node.entry_type, EntryType::Unknown);
assert!(!node.accessible);
assert!(!node.complete);
}
#[test]
fn permission_error_propagates_incomplete_status_to_root() {
let dir = tempdir().unwrap();
let blocked = dir.path().join("blocked");
fs::create_dir(&blocked).unwrap();
fs::write(blocked.join("unreadable"), b"data").unwrap();
fs::set_permissions(&blocked, fs::Permissions::from_mode(0o000)).unwrap();
let result = std::panic::catch_unwind(|| {
assert!(
fs::read_dir(&blocked).is_err(),
"permission tests require an unprivileged user"
);
let report = scan(dir.path());
assert!(report.root.accessible);
assert!(!report.root.complete);
assert!(!report.root.children[0].accessible);
assert_eq!(report.issues.len(), 1);
assert_eq!(report.issues[0].path, blocked);
assert_eq!(report.issues[0].kind, std::io::ErrorKind::PermissionDenied);
});
fs::set_permissions(blocked, fs::Permissions::from_mode(0o700)).unwrap();
result.unwrap();
}
#[test]
fn cancelled_scan_never_returns_completed_tree() {
let dir = tempdir().unwrap();
let control = ScanControl::default();
control.cancel();
assert!(matches!(
scan_tree(dir.path(), &ScanOptions::default(), &control),
Err(ScanError::Cancelled)
));
assert_eq!(control.entries_scanned(), 0);
}
#[test]
fn cancellation_and_progress_work_during_scan() {
let dir = tempdir().unwrap();
for i in 0..2000 {
fs::write(dir.path().join(format!("file-{i}")), b"x").unwrap();
}
let control = ScanControl::default();
let watcher = control.clone();
let cancel = std::thread::spawn(move || {
let deadline = std::time::Instant::now() + std::time::Duration::from_secs(5);
while watcher.entries_scanned() < 10 {
assert!(
std::time::Instant::now() < deadline,
"scan made no progress"
);
std::thread::yield_now();
}
watcher.cancel();
});
let result = scan_tree(
dir.path(),
&ScanOptions {
threads: Some(1),
..ScanOptions::default()
},
&control,
);
cancel.join().unwrap();
assert!(matches!(result, Err(ScanError::Cancelled)));
assert!(control.entries_scanned() >= 10);
}
#[test]
fn special_file_is_not_treated_as_directory() {
let dir = tempdir().unwrap();
let path = dir.path().join("fifo");
assert!(std::process::Command::new("mkfifo")
.arg(&path)
.status()
.unwrap()
.success());
let node = scan(&path).root;
assert_eq!(node.entry_type, EntryType::Special);
assert!(node.children.is_empty());
assert!(node.complete);
}