38 changed files with 2972 additions and 333 deletions
@@ -0,0 +1,40 @@
 name: Sized Linux checks
 on:
  push:
    branches: [main, sizequeen-scan-hardening]
    paths: ['Cargo.toml', 'Cargo.lock', 'CORE-SNAPSHOT.json', 'crates/**', 'src/**', 'tests/**', 'benches/**', 'scripts/**', '.gitea/workflows/**']
  pull_request:
    branches: [main]
    paths: ['Cargo.toml', 'Cargo.lock', 'CORE-SNAPSHOT.json', 'crates/**', 'src/**', 'tests/**', 'benches/**', 'scripts/**', '.gitea/workflows/**']
  workflow_dispatch:
 permissions:
  contents: read
 jobs:
  linux-amd64:
    name: Linux AMD64 / Rust 1.88.0
    # Keep the existing shared runner limited to owner-triggered, same-repo code.
    if: ${{ gitea.actor == 'gamertan' && (gitea.event_name != 'pull_request' || gitea.event.pull_request.head.repo.full_name == gitea.repository) }}
    runs-on: himesan-node24
    timeout-minutes: 20
    container:
      image: sha256:271ca1d26057c95a6fd30df7ccc0c053ab394c0e81cd1e4efa182b5b0b60ee97
      options: >-
        --user 65532:65532
        --tmpfs /tmp/sized-mount-test:rw,nosuid,nodev,noexec,size=16m,uid=65532,gid=65532,mode=0700
        --tmpfs /tmp/sized-mount-test/foreign:rw,nosuid,nodev,noexec,size=16m,uid=65532,gid=65532,mode=0700
    env:
      CARGO_HOME: /tmp/sized-cargo
      CARGO_BUILD_JOBS: '2'
      SIZED_TEST_SOURCE: ${{ gitea.workspace }}
      SIZED_TEST_MOUNT_ROOT: /tmp/sized-mount-test
    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
        with:
          persist-credentials: false
      - name: Unprivileged Linux tests, real mount boundary, Clippy and release smoke
        run: ./scripts/check-linux-container.sh
      - name: Require an unchanged checkout
        run: test -z "$(git status --porcelain=v1 --untracked-files=all)"
@@ -5,6 +5,39 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 ## [2.0.0] - 2026-10-10
 ### Changed
 - Use the exact shared core revision also pinned by SizeQueen, with a public
  source snapshot and offline build inputs; the upstream forge stays private.
 - Public Rust API and incomplete-scan exit-status changes are documented in
  `docs/UPGRADING-2.md`. No private Git dependency is required.
 - Distribute full dependency notices and matching vendored source alongside
  platform-labelled packages. Mac delivery uses a signed, notarized disk image.
 ### Fixed
 - Include the executable before creating release archives. Use explicit host
  targets, build provenance and checksums; refuse existing outputs and symlinks.
 - Replace stale installation links and unavailable package-manager claims with
  verified Gitea availability and explicit source-build instructions.
 - Count hard-link allocation once in a deterministic traversal order while
  retaining apparent sizes per pathname. Filtered comparison has independent
  allocation ownership, including when the first link is ignored.
 - Report filesystem errors and incomplete ancestor totals instead of silently
  dropping errors or treating vanished entries as accessible empty directories.
 - Inherit ignore rules when scanning nested directories; accept dangling
  symlinks as scan targets and distinguish special files from directories.
 ### Added
 - Host archive extraction/executable checks on macOS and in Linux CI, plus
  the Sized project page and its connection to SizeQueen's scanning core.
 - A scanner module with structured reports, file identities, progress counters,
  cooperative cancellation, and per-scan thread pools.
 - Optional `-x` / `--one-file-system` boundary handling. Partial CLI reports
  return a nonzero exit status and include `complete` in JSON output.
 - Repeatable Linux ARM64/AMD64 Docker checks with unprivileged permission
  tests, a real mounted-filesystem boundary and an optimized-binary smoke test.
 ## [1.0.0] - 2026-01-22
 This stable release marks the official launch of `sized` under the GNU General Public License v3.0.
@@ -0,0 +1,15 @@
 {
  "repository": "https://gitea.speelman.ca/gamertan/sized-core",
  "revision": "fb63e96266dcb8ffbca53b73c6c0f738ac3e827d",
  "files": {
    "Cargo.toml": "c89c209b3a6cf08dd72eb9f80fabcd1f5686fecb457eecfc010db56f681bf645",
    "LICENSE": "3972dc9744f6499f0f9b2dbf76696f2ae7ad8af9b23dde66d6af86c9dfb36986",
    "README.md": "367d86ac8e21b7730d144d99fbf0e9f23c1050c40643e8be6e4cb5e59edf0b64",
    "PROVENANCE.md": "0e640275d75ad33cadc2302245843fdfce6be17116110892a135089ea061ba15",
    "examples/scan.rs": "33fb0c6ba090a0430c997229174482f261ffef64908f285f165307191a2b0a16",
    "src/lib.rs": "b9cb7d71fb74f1005b61cf2e8dca0c3e9c97bc725ddb9d2c85b8b4dc912ed6c6",
    "src/scan.rs": "a134f8f40bd0994f6ea332325e2b43ff47d558c42106135a951f2f8aa46be4ce",
    "tests/linux_mount.rs": "e22bcc99a0b3bfe93ea9ab200e6312eb33390735e3b3b413aa904f45e6f8268a",
    "tests/scanning.rs": "5fdb6ff3197aa24ceb2699f5787298b00ede69a87af07d7ca4fbdb911125a292"
  }
 }
@@ -1182,7 +1182,7 @@ checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
 [[package]]
 name = "sized"
-version = "1.0.0"
+version = "2.0.0"
 dependencies = [
 "assert_cmd",
 "byte-unit",
@@ -1193,16 +1193,24 @@ dependencies = [
 "comfy-table",
 "criterion",
 "csv",
 "ignore",
 "predicates",
 "rayon",
 "serde",
 "serde_json",
 "sized-core",
 "strum",
 "tempfile",
 "time",
 ]
 [[package]]
 name = "sized-core"
 version = "0.0.0"
 dependencies = [
 "ignore",
 "rayon",
 "serde",
 "tempfile",
 ]
 [[package]]
 name = "smallvec"
 version = "1.15.1"
@@ -1,10 +1,12 @@
 [package]
 name = "sized"
-version = "1.0.0"
+version = "2.0.0"
 edition = "2021"
 rust-version = "1.88"
 description = "A modern, fast, and concurrent disk usage analyzer"
 license = "GPL-3.0-only"
-repository = "https://gitlab.speelman.ca/gamertan/sized"
+repository = "https://gitea.speelman.ca/gamertan/sized"
 homepage = "https://gamertan.com/projects/sized/"
 readme = "README.md"
 categories = ["command-line-utilities", "filesystem"]
@@ -30,13 +32,11 @@ assets = [
 [dependencies]
 clap = { version = "4.4", features = ["derive"] }
-rayon = "1.8"
+scanner-core = { package = "sized-core", path = "crates/sized-core", version = "=0.0.0" }
 colored = "2.0"
 comfy-table = "7.0"
 byte-unit = "5.0"
 strum = { version = "0.25", features = ["derive"] }
 ignore = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 csv = "1.3"
 time = { version = "0.3", features = ["macros", "formatting"] }
@@ -53,3 +53,6 @@ criterion = "0.5"
 name = "benchmark"
 harness = false
 [workspace]
 members = ["crates/sized-core"]
 resolver = "2"
@@ -16,16 +16,22 @@
 ## Installation
-### From Binaries (Recommended)
+See the [README](README.md#installation) for signed Apple silicon Mac downloads,
-Download the latest pre-compiled binaries from the [Releases](https://gitlab.speelman.ca/gamertan/sized/releases) page.
+Linux archives, checksums and source builds. The offline source archive includes
 the exact shared core and registry dependencies, with no private forge login.
-### From Source
+Rust 1.88 or newer and a C linker/toolchain are required for source builds:
-```bash
+
-git clone https://gitlab.speelman.ca/gamertan/sized.git
+```sh
 git clone --branch v2.0.0 https://gitea.speelman.ca/gamertan/sized.git
 cd sized
-make install # Installs binary and man page
+cargo install --locked --path .
 ```
 Cargo installs into `~/.cargo/bin`. To install the binary and man page together,
 use `make install PREFIX="$HOME/.local"`. See [2.0 migration notes](docs/UPGRADING-2.md)
 for changed exit statuses, accounting and public Rust APIs.
 ## Basic Usage
 By default, `sized` analyzes the current directory recursively and displays a table of the immediate children.
@@ -35,9 +41,24 @@ sized [path]
 ```
 ### Key Concepts
- **Disk Usage** (Default): The actual physical space consumed on disk (Blocks * 512 bytes). This is the "true" footprint and the metric `sized` prioritizes.
+- **Disk Usage** (Default): Filesystem-reported allocation (Blocks * 512 bytes), with hard links counted once per scan. Shared extents and snapshots can make this differ from the space recovered by deletion.
 - **Apparent Size**: The logical size of the entry (file length). Available via the `-a` or `--apparent` flag.
- **Blocks**: The actual filesystem blocks allocated.
+- **Blocks**: Filesystem-reported 512-byte units of allocation. Directory metadata is included.
 Symlinks are scanned as leaves, including dangling links; their targets are not
 followed. Missing targets or unreadable entries are reported on stderr. Partial
 scans return a nonzero exit status and JSON includes `complete: false`; inspect
 that status before relying on a total.
 ### Filesystem Boundary (`-x` / `--one-file-system`)
 Skip entries whose device differs from the scan root, useful when a directory
 contains mounted filesystems. Boundary entries contribute no size, and JSON
 marks them with `skipped_mount`.
 ```bash
 sized -x /path/to/volume
 ```
 ### Path Display
 - **Relative Path** (Default): `sized` shows paths relative to the current directory.
@@ -53,7 +74,7 @@ sized -d 1
 ```
 > [!NOTE]
-> Regardless of the display depth, `sized` always calculates the *total* size of all subdirectories accurately by traversing the entire tree.
+> Display depth limits output, not scanning. The tree is traversed unless filtered or excluded by a filesystem boundary; scan errors mark totals incomplete.
 ## Filtering and Sorting
@@ -7,7 +7,7 @@ MANDIR = $(PREFIX)/share/man/man1
 all: build
 build:
-	cargo build --release
+	cargo build --locked --release
 install: build
 	install -d $(BINDIR)
@@ -1,11 +1,20 @@
 # Sized
-A fast, concurrent, and feature-rich command-line tool for visualizing disk usage, written in Rust.
+**Know what’s taking up space. Without leaving your terminal.**
 Sized is a Rust command-line disk usage tool for macOS and Linux. Inspect large
 folders, filter the noise, and export reports for your own scripts.
 [Project page](https://gamertan.com/projects/sized/) ·
 [Prefer a visual map? Meet SizeQueen](https://gamertan.com/projects/sizequeen/).
 **Version 2.0.0** shares the pinned Sized core used by SizeQueen. Hard links,
 partial scans and filesystem boundaries have explicit accounting and status.
 See [upgrading from 1.0](docs/UPGRADING-2.md) for CLI and Rust API changes.
 ## Features
- **Physical by Default**: Prioritizes **Disk Usage** (actual blocks consumed) as the default metric, essential for accurately seeing how much storage is actually gone.
+- **Allocation by Default**: Prioritizes filesystem-reported allocated blocks; sparse files retain their separate apparent size, and hard-link allocation is counted once per scan. Reported allocation is not a promise of bytes freed by deletion on filesystems with shared extents or snapshots.
- **Fast & Concurrent**: Uses `rayon` to process directories in parallel, making it extremely fast on modern multi-core systems.
+- **Fast & Concurrent**: Processes directories in parallel with `rayon`; scan time depends on the filesystem and workload.
 - **Rich Output**: Beautifully formatted tables with colors, distinguishing files and directories.
 - **Apparent Size**: Toggle logical file length with `-a` or `--apparent`.
 - **Unit Selection**: Switch between Binary (IEC) and Decimal (SI) unit systems via `--units`.
@@ -18,55 +27,48 @@ A fast, concurrent, and feature-rich command-line tool for visualizing disk usag
 ## Installation
-### 🚀 Direct Download (macOS & Linux)
+### Official downloads
 Download the latest archive for your architecture from the [Releases](https://gitlab.speelman.ca/gamertan/sized/releases) page.
-1.  **Extract the archive**:
+Use the [Sized project page](https://gamertan.com/projects/sized/) or
-    ```bash
+[v2.0.0 release](https://gitea.speelman.ca/gamertan/sized/releases/tag/v2.0.0).
-    tar -xzf sized-v1.0.0-Darwin-arm64.tar.gz
+Choose the archive for your CPU and OS. The Apple silicon download is a signed,
-    ```
+notarized DMG; Linux archives target glibc 2.36 or newer. Matching offline source,
 full dependency notices and SHA-256 checksums accompany the downloads.
-2.  **Install Binary & Man Page**:
+Open the Mac disk image, or extract the Linux archive. From its directory, install
-    ```bash
+without administrator privileges:
    # Move binary to path
    sudo mv sized /usr/local/bin/
-    # Install man page
+```sh
-    sudo mkdir -p /usr/local/share/man/man1
+mkdir -p "$HOME/.local/bin" "$HOME/.local/share/man/man1"
-    sudo cp sized.1 /usr/local/share/man/man1/
+install -m 755 sized "$HOME/.local/bin/sized"
-    ```
+install -m 644 sized.1 "$HOME/.local/share/man/man1/sized.1"
-
+"$HOME/.local/bin/sized" --version
 3.  **macOS Security (Gatekeeper)**:
    Since the binary isn't code-signed for the App Store, macOS may block it. To allow it:
    ```bash
    sudo xattr -d com.apple.quarantine /usr/local/bin/sized
    ```
    *Alternatively, run `sized` once, let it fail, then go to **System Settings > Privacy & Security** and click **"Allow Anyway"**.*
 ### 🍺 Homebrew (macOS & Linux)
 If you have a homebrew tap:
 ```bash
 brew install gamertan/tap/sized
 ```
-### 📦 Debian / Ubuntu (.deb)
+Include `~/.local/bin` in your `PATH`. On a Mac, the mounted directory is
-1.  Download the `.deb` package from the [Releases](https://gitlab.speelman.ca/gamertan/sized/releases) page.
+`/Volumes/Sized 2.0.0`; this is a Terminal tool rather than an application icon.
-2.  Install using `dpkg`:
+The archive also includes Bash, Zsh and Fish completions. No Homebrew tap or
-    ```bash
+Debian package is currently published. Intel Mac and Windows binaries are not
-    sudo dpkg -i sized_1.0.0_amd64.deb
+part of this release.
    ```
-### 🦀 From Source (Rust toolchain required)
+### Build from source
-```bash
+
-git clone https://gitlab.speelman.ca/gamertan/sized.git
+With Rust 1.88 or newer and a C linker/toolchain installed:
 ```sh
 git clone --branch v2.0.0 https://gitea.speelman.ca/gamertan/sized.git
 cd sized
-make install # Installs binary and man page
+cargo install --locked --path .
 sized --help
 ```
-Alternatively, via Cargo:
+The public checkout includes the exact core snapshot; no private credentials are
-```bash
+needed. The matching source archive additionally includes registry dependencies:
-cargo install --path .
+from its root, `cargo build --locked --offline --release` works without Cargo
-```
+network access. Source builds are unsigned unless you sign them yourself.
 `make install PREFIX="$HOME/.local"` installs the binary and man page together.
 Historical [v1.0.0 files](https://gitea.speelman.ca/gamertan/sized/releases/tag/v1.0.0)
 remain available unchanged.
 ## Documentation
 - **[Manual](MANUAL.md)**: Detailed explanations of all flags and features.
@@ -98,6 +100,7 @@ sized /path/to/directory
 | `-f`, `--path-full` | Force absolute paths in headers | `sized -f` |
 | `-i`, `--ignore` | Respect .gitignore files | `sized -i` |
 | `-j`, `--threads` | Set number of threads | `sized -j 4` |
 | `-x`, `--one-file-system` | Skip entries on other filesystems | `sized -x /` |
 | `--format` | Output format (text, csv, json) | `sized --format json` |
 | `--save` | Save output to file | `sized --save` |
 | `-c`, `--compare` | Compare total vs. non-ignored files | `sized -i -c` |
@@ -137,17 +140,65 @@ autoload -Uz compinit && compinit
 sized --completions fish > ~/.config/fish/completions/sized.fish
 ```
 ## Scan status and library API
 Scans report missing or unreadable entries on stderr and return a nonzero status
 when incomplete. JSON reports include `complete` so automation can distinguish
 a partial report from a fully scanned tree. Symlinks are not followed.
 Library users can call `scan_tree` with `ScanOptions` and a fresh `ScanControl`
 for each request. Clones of the control expose progress and cancellation;
 cancellation is cooperative between filesystem calls. `build_tree` remains as
 a convenience helper, while `scan_tree` retains structured diagnostics.
 ## Development checks
 Run `cargo test --locked --workspace` locally as an unprivileged user. For Linux build,
 permission, filesystem-boundary and release smoke checks with Docker:
 ```bash
 ./scripts/check-linux.sh linux/arm64
 ./scripts/check-linux.sh linux/amd64
 ```
 The script pins the official Rust 1.88.0 Bookworm image by digest, adds rustfmt
 and Clippy, then runs as UID 65532 with dropped capabilities. Source is mounted
 read-only and copied into the temporary container. Fixtures live on Linux
 filesystems, including two distinct tmpfs mounts; no privileged container or
 host directory scan is required. AMD64 on an ARM64 host requires emulation.
 Logs are saved in `target/linux-checks/`; containers and their build output are
 removed on exit. Docker retains the reusable check images/build cache.
 `SIZED_LINUX_JOBS` changes the default two build workers; `SIZED_LINUX_IMAGE`
 can select a different toolchain image for an explicit compatibility check.
 These are backend checks; desktop X11/Wayland acceptance belongs to SizeQueen.
 Gitea's `Sized Linux checks` workflow runs the same checks natively on cliff-mads
 for main/review-branch source changes and owner-triggered, same-repository PRs.
 It uses a pinned Rust job image, UID 65532 and real tmpfs boundaries without
 Docker access inside the job. Fork contributions can run the local script;
 maintainers can bring reviewed changes onto a repository branch for CI.
 See SHIPMENT for runner-image setup. Documentation-only pushes skip builds.
 Run `./scripts/check-release.sh` to verify the actual archive, checksum and
 extracted executable on the host. Linux CI also runs this packaging check.
 See [source review and release process](SHIPMENT.md) and the [live queue](TODO.md).
 ## Sized, SizeQueen and the shared scanner
 Sized began as terminal tooling. Its filesystem scanner was extracted into
 `sized-core`, which SizeQueen now uses directly beneath its native Mac interface.
 SizeQueen adds the treemap and desktop interactions; it does not run the CLI.
 Sized 2.0 uses the same pinned core revision through the exact public snapshot
 in `crates/sized-core`. `CORE-SNAPSHOT.json` records its provenance and hashes.
 The upstream core repository remains private; public Sized and both products'
 matching source downloads build without access to it.
 ## License
-This project is licensed under the **GNU General Public License v3.0 (GPL-3.0)**.
+**GPL-3.0-only.** See [LICENSE](LICENSE) for the complete terms. All Sized features
-
+are free; optional [support for Gamertan](https://gamertan.com/store/) does not
-### Why GPL-3.0? (The "Insulin" Philosophy)
+unlock features.
 We believe that core diagnostic tools like `sized` should remain a public good. Inspired by the philosophy behind open-access medicine like insulin, this license ensures that:
 - The tool remains **free and open** for everyone to use.
 - Any improvements or forks made by others **must also be shared** with the community.
 - It prevents proprietary "vampire" versions from taking private credit for public efforts.
 For more details, see the [LICENSE](LICENSE) file.
 ## Contributing
@@ -2,6 +2,67 @@
 This document defines the process for versioning and distributing the `sized` project independently of the Git hosting provider (GitHub, GitLab, Gitea).
 ## Source review before a release
 Use a named branch from `main` and keep a pull request focused on one outcome.
 The `sizequeen-scan-hardening` branch corrects accounting/error handling and
 adds the scan controls needed by SizeQueen; the scanner has also been
 extracted into private `sized-core` for SizeQueen. Sized 2.0 includes its exact
 pinned source snapshot as a path dependency. Verify `CORE-SNAPSHOT.json` before
 packaging; no private Git fetch is part of a public build.
 1. Run local locked tests and strict Clippy as an unprivileged user. Run
   `./scripts/check-linux.sh linux/arm64` and
   `./scripts/check-linux.sh linux/amd64` for the repeatable Linux checks,
   including actual mount boundaries and an optimized-binary smoke test.
 2. Push the review branch. Open a PR against `main` when its scope is ready,
   explaining changed behaviour, test evidence and remaining limits. For this
   branch, call out nonzero status on partial scans, added JSON status fields,
   and library API changes. Record current work and evidence in `TODO.md`.
 3. Review and merge independently of distribution. A branch push or PR merge
   does not publish a package, change repository visibility or create a tag.
 4. Choose the release version after reviewing library/API compatibility, then
   use the release steps below when explicitly authorized. Verify the exact archive
   contents, target and installation instructions before announcing a release.
 ### Gitea Linux CI
 `.gitea/workflows/linux.yml` uses the existing `himesan-node24` label on
 cliff-mads, overriding the job image with the pinned Sized Rust runtime.
 The runner itself launches the two tmpfs mounts. Jobs have no Docker socket
 and run `scripts/check-linux-container.sh` as UID 65532, using the checked-out
 workspace as `SIZED_TEST_SOURCE`. Its tests, strict Clippy, formatting and
 optimized-binary smoke test and extracted release-archive verification are the
 same as the local Docker workflow.
 The runtime contains Rust 1.88.0, rustfmt/Clippy and Node for the pinned checkout
 action. On cliff-mads, rebuild it explicitly with:
 ```bash
 ssh cliff-mads 'docker build --platform linux/amd64 --tag local/gamertan-ci:sized-rust188 -' < scripts/gitea-linux.Dockerfile
 ssh cliff-mads 'docker image inspect local/gamertan-ci:sized-rust188 --format "{{.Id}}"'
 ```
 Review and update the workflow's image ID after an intentional rebuild; images
 stay local to the runner host. The image pre-owns `/workspace/gamertan/sized`
 for UID 65532 so the runner's workspace setup permits unprivileged checkout.
 No runner labels, global isolation settings or
 publishing credentials are required. Repository Actions must be enabled.
 Only owner-triggered, same-repository code runs on this shared homelab runner.
 Source changes on main/the review branch and PRs to main trigger checks;
 documentation-only pushes skip builds. Manual dispatch is also available.
 This workflow does not publish or tag releases.
 The first complete native AMD64 push check is
 [Gitea run 1048 (number 2)](https://gitea.speelman.ca/gamertan/sized/actions/runs/1048),
 at `74b30bbf750417121f3b0c26017d2f011a2a8286`. All 23 tests, formatting, strict
 Clippy, release smoke and unchanged-checkout verification passed as UID 65532
 on `cliff-himesan-linux-amd64`. The packaging source checkpoint `77b11a8`
 subsequently passed [push run 1065](https://gitea.speelman.ca/gamertan/sized/actions/runs/1065)
 and [PR run 1066](https://gitea.speelman.ca/gamertan/sized/actions/runs/1066),
 including executable/archive checks and output/symlink refusal. Manual dispatch
 is configured but not independently exercised. See `TODO.md` for current work.
 ## 1. Versioning and Tagging
 The project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). 
@@ -10,43 +71,86 @@ The project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html
 2.  Update `CHANGELOG.md` with the release notes.
 3.  Commit and create a git tag:
    ```bash
-    git tag -a v1.0.0 -m "Release v1.0.0"
+    git tag -a v2.0.0 -m "Release Sized 2.0.0"
    ```
-## 2. Asset Generation
+## 2. Asset generation and verification
 The `scripts/release.sh` script is the authoritative way to generate release assets locally or in any CI environment. 
 ```bash
 ./scripts/check-release.sh
 ./scripts/release.sh
 ```
-This script generates:
+`release.sh` uses the locked dependencies and the Rust toolchain's host target.
-   **Optimized Binary**: The production-ready `sized` executable.
+It packages the executable **before** creating the archive, together with the
-   **Documentation**: The `sized.1` man page.
+man page, Bash/Zsh/Fish completions, licence, README, manual and build metadata.
-   **Shell Completions**: Scripts for Bash, Zsh, and Fish.
+Outputs are `dist/sized-v<VERSION>-<RUST-TARGET>-<REVISION>/`, a sibling `.tar.gz`
-   **System Installers**: A `.deb` package for Debian-based Linux distributions.
+and `.tar.gz.sha256`, including complete dependency notices. Existing outputs are never replaced. Use
 `--output-dir /absolute/new/path` for an explicitly named local candidate.
 `CARGO_TARGET_DIR` is respected. The script does not sign, upload, tag or publish.
-All assets are gathered in the `dist/v<VERSION>/` directory.
+`check-release.sh` creates temporary outputs, extracts the archive, checks all
 required files and the checksum, then runs the packaged executable against an
 owned fixture. It also checks the refusal to overwrite. Gitea's Linux check
 runs this same test; a successful compile alone is insufficient.
-## 3. Distribution Channels
+Only build from a clean, reviewed commit for distribution. `BUILD-INFO.txt`
 records the commit, target, toolchain and whether tracked inputs were modified.
 Exported source can provide `SIZED_SOURCE_REVISION`; verify that provenance
 against the original checkout. Retain matching source and complete dependency
 licences with any public binary distribution. A host build is unsigned; do not
 advertise it as notarized or as a Mac App Store application.
-### crates.io
+### Matching source and Mac delivery
-To update the project on the central Rust registry:
+
-```bash
+From a clean committed source checkpoint, run:
-cargo publish
+
 ```sh
 scripts/package-source.sh /absolute/new/release-directory
 ```
-### System Package Managers
+This exports tracked source, includes all locked registry dependencies, verifies
-For Homebrew, GitLab, or Gitea-based distribution:
+an empty-cache offline build, and retains the exact source archive. Build the
-1.  Push the git tag to your SCM.
+binaries from that exported `sized-source` directory with
-2.  Run the release script to generate assets.
+`CARGO_NET_OFFLINE=true` and `SIZED_SOURCE_REVISION` set to `SOURCE-REVISION.txt`.
-3.  Attach the contents of the `dist/` folder to your SCM's "Release" or "Tag" entry.
+Linux release checks can retain an archive when `SIZED_RELEASE_DIR` names a
-4.  Update downstream formulas (like `homebrew-tap`) with the new source URL and SHA256 of the generated tarball.
+writable output mount. Run on the architecture being released; keep both tmpfs
 boundary mounts and UID 65532. This does not publish files.
-## 4. Automation & Hooks
+For Mac, use `scripts/notarize-macos.sh PACKAGE_DIRECTORY NEW_DMG_PATH` with an
 explicit `SIZED_SIGN_IDENTITY`. It signs the CLI and disk image, submits through
 `SIZED_NOTARY_PROFILE` (default `sizequeen-notary`), staples and validates the
 DMG. The notarization receipt stays with private build evidence. Distribute the
 DMG; a raw command-line executable cannot carry a stapled ticket. Compute final
 checksums only after signing/stapling, then exercise the mounted signed CLI and
 verify the downloaded files. See Apple's
 [custom workflow guidance](https://developer.apple.com/documentation/security/customizing-the-notarization-workflow).
-To automate asset generation locally, you can use a git `post-checkout` or a wrapper script. Since gitea and gitlab use different CI formats, it is recommended to simply call `./scripts/release.sh` within your preferred CI runner (e.g., `gitlab-ci.yml` or `gitea-actions`).
+Publish versioned files on the Gitea release and link them from the existing
 Gamertan CMS project. Keep forge privacy settings unchanged. Retain the exact
 matching source and never overwrite a published asset with different bytes.
 ## 3. Distribution channels
 The existing public Gitea v1.0.0 release contains a macOS arm64 executable,
 man page and completions, plus generated source archives. It predates the
 scanner hardening branch. No architecture-labelled binary archive, `.deb` or
 verified Homebrew tap is currently offered.
 Future public releases need their own reviewed version, source, target-specific
 archives, checksums and installation acceptance. Do not replace historical
 v1.0.0 assets with newly built bytes. Add a new version only after review.
 Debian/Alpine packaging is separate from the portable host archive. Do not
 implicitly invoke `cargo deb` or `abuild` just because they are installed: a Mac
 binary is not a Debian package. Validate each installer on its target OS before
 publishing it. Registry and Homebrew publication are separate decisions too.
 ## 4. Automation
 CI tests and packages temporary candidates without publishing credentials.
 Do not run release generation automatically from Git hooks. Publication remains
 an intentional operation after the checks above.
 ## 5. Manual Installation
 For system-wide installation from source, use the `Makefile`:
@@ -0,0 +1,169 @@
 # Live queue
 ## Current scope
 Harden Sized for reuse by the native SpaceMonger-inspired SizeQueen project.
 The user authorized fixes and updates discovered during that investigation.
 Keep the existing CLI useful and preserve the GPL-3.0-only license.
 - [x] Correct allocated-size totals for hard links; retain apparent per-path
  sizes and define deterministic ownership within each scan.
 - [x] Preserve scan errors and expose incomplete results instead of silently
  treating missing paths as accessible empty directories.
 - [x] Expose cancellable scans, progress counters, per-scan worker selection,
  and an optional filesystem boundary for the native UI.
 - [x] Add accounting and control regressions; run the existing CLI tests and
  compare bounded release-build scan measurements.
 - [x] Run reproducible Linux ARM64 and AMD64 Docker checks as an unprivileged
  user, including actual mount boundaries, strict Clippy and a release smoke test.
 - [x] Commit the scanner hardening and Linux check tooling; push the existing
  `sizequeen-scan-hardening` review branch. Remote equality is verified.
  PR #2 is open; release/tag/package publication remains separate.
 - [x] Enable repository Actions and run the same Linux checks on the existing
  cliff-mads runner. Keep its container isolation and other jobs unchanged;
  verify a real workflow result before treating CI as proven.
 ## Approved project page and release cleanup
 The owner approved a Sized project page in the shared Gamertan CMS, truthful
 installation/release guidance, packaging repairs, and a Built on Sized section
 on SizeQueen. Website delivery is tracked in that repository's existing queue.
 - [x] Inspect the public v1.0.0 assets; the unlabelled executable is macOS arm64,
  ad hoc signed, SHA-256 `50fde4d8215babbb64f4a4f55e030dd5c941a97ed1bedfa80392e4301c52d2bf`.
  There are no attached Linux binaries, labelled archives or Debian packages.
 - [x] Replace stale GitLab/unsupported package-manager installation claims with
  explicit review-branch source builds; explain the published release boundary.
 - [x] Package the executable before the archive; include licence/docs/build
  provenance, target-labelled names and checksums. Reject output replacement.
  Remove incidental installer generation; host binaries must not become `.deb`s.
 - [x] Verify archive contents/checksum, run the extracted CLI and test overwrite
  refusal on macOS arm64. Add the same verification to Linux CI.
 - [x] Verify the updated cliff-mads workflow, push the review checkpoint and
  record the public CMS delivery. PR #2 is open; no new version, release assets
  or merge. Historical v1.0.0 notes are corrected and asset bytes preserved.
 ## Approved Sized 2.0.0 release
 The owner authorizes pinned core adoption, the public source snapshot while
 keeping the core forge private, and merge/push/publication after checks pass.
 - [ ] Replace the local scanner with the exact SizeQueen core pin, verify snapshot
  hashes and review the CLI/API migration and 2.0 compatibility notes.
 - [ ] Verify Mac arm64 and Linux binaries, source rebuilds without forge access,
  dependency notices, package contents and installation. Sign/notarize the Mac DMG.
 - [ ] Merge PR #2, tag 2.0.0, publish immutable binary/source assets and update the
  shared CMS project. Verify downloaded bytes and record release evidence.
 Windows, additional features and package-manager registries remain deferred.
 ## Resume note
 Current: preparing the approved 2.0.0 migration and release above. No 2.0.0
 assets or tag have been published yet. Previous delivery evidence follows.
 The approved Sized project page and release cleanup are delivered. Source
 checkpoint `77b11a8c29b5ca3435fdd962717f8e8285abe972` is pushed on
 `sizequeen-scan-hardening`; [PR #2](https://gitea.speelman.ca/gamertan/sized/pulls/2)
 is open against unchanged `main`. Repository visibility remains public.
 Final cliff-mads checks passed for both events:
 [push run 1065](https://gitea.speelman.ca/gamertan/sized/actions/runs/1065)
 (4m 57s) and
 [PR run 1066](https://gitea.speelman.ca/gamertan/sized/actions/runs/1066)
 (5m 0s). Rust 1.88.0 / Linux AMD64 / UID 65532 passed all 23 tests, formatting,
 strict Clippy, optimized smoke, archive extraction/checksum/executable and
 existing-output/dangling-symlink guards, plus unchanged-checkout verification.
 Mac arm64 passed the same package checks and documented Cargo/Make installs into
 temporary prefixes. Ignored local evidence is in `target/release-audit/`,
 including `gitea-run-1065.txt`, `package-macos.log` and `install-macos.log`.
 [Sized](https://gamertan.com/projects/sized/) is published through the shared
 Gamertan project template (CMS revision 6), with a compact status sidebar,
 verified synthetic CLI example, source instructions and accurate release limits.
 It appears on the homepage, project index and sitemap. SizeQueen's
 [Built on Sized section](https://gamertan.com/projects/sizequeen/) is published
 in revision 14; all prior sections and app downloads are preserved. Desktop
 and 320px mobile checks passed. Website evidence and recovery are recorded in
 `../gamertancom-web-foundations/docs/PRODUCTION_SANDBOX_2026-09-04.md` under
 “Sized project and Built on Sized — 10 October 2026”.
 Historical v1.0.0 release notes now identify the attached executable as macOS
 arm64 and distinguish the newer review branch. Asset IDs, lengths and executable
 SHA-256 above remain unchanged. No new binary release, tag, merge or private-core
 source publication occurred. Next: review PR #2's CLI exit status, JSON and
 library API changes, then choose a release version and complete corresponding
 source/dependency notices before authorizing new binary publication.
 ### Earlier verification history
 The records below describe previous checkpoints; current delivery and next
 actions are above.
 Previous CI checkpoint: repository Actions is enabled and a real native AMD64
 push run passed on cliff-mads. [Gitea run 1048 (number 2)](https://gitea.speelman.ca/gamertan/sized/actions/runs/1048)
 tested `74b30bbf750417121f3b0c26017d2f011a2a8286` on
 `cliff-himesan-linux-amd64` (`gitea-runner v3.1.0`): all 23 tests, formatting,
 strict Clippy, optimized-binary smoke and unchanged-checkout verification passed
 as UID 65532 with Rust 1.88.0. It finished in 3m 30s. Filtered local evidence is
 in ignored `target/linux-checks/gitea-run-1048.log`; full logs remain in Gitea.
 The initial checkout failed because the repository directory was root-owned;
 the corrected runtime pre-owns it for the job user. The workflow reuses the
 existing `himesan-node24` label and a local, pinned Rust/Node image. Runner
 configuration, other jobs and repository visibility are unchanged. Temporary
 setup credentials were revoked and their files removed. Push execution is
 proven; PR execution was subsequently proven in run 1066; manual dispatch remains
 configured but not independently exercised.
 Linux validation and the requested remote review branch are complete.
 Scanner hardening is `8b177e2`; repeatable Linux checks and equivalent format
 interpolations are `988aad9`. Both implementation commits are pushed to
 `origin/sizequeen-scan-hardening`, followed by CI setup `67fe175` and the
 unprivileged checkout fix `74b30bb`. The source checkpoint is verified remotely
 at `74b30bbf750417121f3b0c26017d2f011a2a8286`; later documentation-only
 checkpoint commits do not rerun the source checks. Gitea main remains `9c8d1d4`.
 The repository was already public (`private: false`); visibility is unchanged.
 At that checkpoint, no PR, merge, tag, package publication or release occurred.
 `scripts/check-linux.sh` owns the container workflow. Linux ARM64 (native in
 Docker's VM) and AMD64 (emulated on this Mac) each passed 23 tests as UID 65532:
 5 library, 6 CLI, 11 scan integrations and one explicitly enabled real-mount
 integration. `tests/linux_mount.rs` checks two distinct tmpfs devices through
 the library and CLI, with boundaries enabled and disabled. Formatting, strict
 all-target Clippy and an optimized-binary fixture smoke test passed on both.
 Mac passed its 22 applicable tests, formatting and strict Clippy. Commands are
 documented in README/SHIPMENT; full local logs are in ignored
 `target/linux-checks/{arm64,amd64}.log`. Cargo.lock and unrelated `.DS_Store`
 hashes are unchanged; only source inputs and owned fixtures enter the checks.
 Rust 1.88 Clippy identified format-string style warnings; equivalent
 interpolations fix those without suppressions. SizeQueen's included scanner
 still matches `8b177e2` exactly; the follow-up changes only one scanner Display
 format string, not scan behaviour. SizeQueen itself was unchanged in this pass.
 The planned PR and packaging repairs are now complete; review and version
 selection remain next. These checks do not prove desktop X11/Wayland interaction,
 Windows allocation or performance on very large/cold/remote trees.
 Previous local checkpoint: baseline `9c8d1d4` matched Gitea main;
 branch `sizequeen-scan-hardening`.
 All six baseline tests passed. SizeQueen's independent probe reproduced
 hard-link overcount and missing-path misclassification, and confirmed sparse
 allocation, symlink leaf handling, and hidden-file inclusion. Source inspection
 found discarded walker errors and no scan control API. These scoped corrections
 are implemented locally, with no push, tag, or release. `cargo test --locked`
 passed 22 tests (5 library, 6 CLI, 11 scan integrations); strict all-target
 Clippy passed. The independent SizeQueen probe passed 6 accounting tests.
 Man page was regenerated. Cargo.lock is unchanged and unrelated `.DS_Store`
 was preserved.
 Release probes on the Mac took 49–56ms for 20,000 files; sorting, identity
 tracking, diagnostics and control cost more than the baseline (29–39ms for
 the grouped tree). Inline Node size grew from 88 to 136 bytes; whole-process
 peak RSS was about 8.2MiB grouped / 16.7MiB wide. These are bounded warm-metadata
 fixtures, not evidence for million-entry, cold-disk, or remote-filesystem speed.
 Cancellation is cooperative between filesystem calls. Allocation is reported
 blocks, not guaranteed bytes recoverable from shared extents or snapshots.
 Detailed audit and bounded probes are maintained in the sibling SizeQueen
 project at `../sizequeen/research/SIZED-AUDIT.md`; that project's product queue
 remains separate from this backend's fix queue.
@@ -10,12 +10,12 @@ fn setup_test_dir() -> TempDir {
    // Create a moderately deep structure
    for i in 0..10 {
-        let dir_path = base_path.join(format!("dir_{}", i));
+        let dir_path = base_path.join(format!("dir_{i}"));
        fs::create_dir(&dir_path).unwrap();
        for j in 0..10 {
-            let file_path = dir_path.join(format!("file_{}.txt", j));
+            let file_path = dir_path.join(format!("file_{j}.txt"));
            let mut file = File::create(file_path).unwrap();
-            writeln!(file, "Some content for file {}-{}", i, j).unwrap();
+            writeln!(file, "Some content for file {i}-{j}").unwrap();
        }
    }
    temp_dir
@@ -0,0 +1,22 @@
 [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"
@@ -0,0 +1,674 @@
                    GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007
 Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
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 Also add information on how to contact you by electronic and paper mail.
  If the program does terminal interaction, make it output a short
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 The hypothetical commands `show w' and `show c' should show the appropriate
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  You should also get your employer (if you work as a programmer) or school,
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 For more information on this, and how to apply and follow the GNU GPL, see
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  The GNU General Public License does not permit incorporating your program
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 <https://www.gnu.org/licenses/why-not-lgpl.html>.
@@ -0,0 +1,30 @@
 # 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`.
@@ -0,0 +1,75 @@
 # 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).
@@ -0,0 +1,25 @@
 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(())
 }
@@ -0,0 +1,20 @@
 //! 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))
 }
@@ -0,0 +1,417 @@
 //! 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);
    }
 }
@@ -0,0 +1,69 @@
 #![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()
            );
        }
    }
 }
@@ -0,0 +1,254 @@
 #![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);
 }
@@ -0,0 +1,38 @@
 # Sized 2.0 source and dependency notices
 Sized and the exact public core snapshot retain GPL-3.0-only. The owner confirmed
 that the first-party code was developed by Cole Speelman with Codex assistance.
 The core forge remains private; `crates/sized-core` includes the required source
 at `fb63e96266dcb8ffbca53b73c6c0f738ac3e827d`. `CORE-SNAPSHOT.json` records the
 upstream revision and exact file hashes; `scripts/check-core.py` checks them.
 The snapshot preserves upstream README/provenance as historical source records.
 Each binary download is accompanied by its exact source archive, including
 Cargo.lock, all registry dependencies, core source, build scripts and original
 notices. Recipients need no forge credentials. The archive is checked with an
 empty Cargo cache and offline mode. Preserve it as long as the binaries remain
 available. Source-only development dependencies retain their original bundled
 notices and package licence metadata in the vendor directory.
 `scripts/package-notices.py` uses Cargo's normal/build tree for the target and
 locked metadata to produce `DEPENDENCIES.json` and complete `LICENCES.txt`.
 Development-only and inactive optional dependencies are excluded from the binary
 inventory. Missing notices and new licence expressions stop packaging. Where a
 choice is offered, this distribution uses MIT, or Apache-2.0 when MIT is absent;
 all bundled alternative licence texts and copyright notices are preserved.
 Unicode-3.0 notices are retained along with MIT/Apache notices where required.
 No third-party licence is replaced by the first-party licence.
 The existing `colored` 2.2.0 dependency is MPL-2.0. Its sources and notices are
 unmodified; inspection found no Exhibit B declaration in its source files or
 README. The generic Exhibit B in the MPL licence text itself is not an applied
 declaration. Under MPL section 3.3, colored is additionally distributed under
 GPL-3.0-only as part of this Larger Work. Its original MPL rights and notices
 remain available to recipients. This notice accompanies both binary and source.
 See Mozilla's [MPL/GPL guidance](https://www.mozilla.org/en-US/MPL/2.0/combining-mpl-and-gpl/)
 and [MPL FAQ](https://www.mozilla.org/en-US/MPL/2.0/FAQ/#q14-may-i-combine-mpl-licensed-code-and-lgpl-licensed-code-in-the-same-executable-program).
 The Mac CLI links Apple's system libraries; Linux dynamically links system
 libraries including glibc. Each target's requirements and linked libraries are
 recorded with its release verification. A new dependency, target or licence
 expression requires reviewing the affected notices before distribution.
@@ -0,0 +1,31 @@
 # Moving from Sized 1.0 to 2.0
 The existing flags and table/CSV/NDJSON workflows remain. Update automation to
 handle incomplete scans: exit 0 means a complete result; exit 1 means a missing
 root, an incomplete scan or another operation failure. CLI argument errors use
 Clap's exit 2. An incomplete scan may still produce useful output. Diagnostics
 go to stderr, and each JSON report includes `complete`.
 Hard-linked files now contribute allocated blocks once, owned by the first path
 in deterministic traversal order. Apparent sizes remain per pathname. Totals
 may be lower than 1.0 for this reason. Ignore rules inherit through directories;
 `--one-file-system` explicitly skips other mounted filesystems. Allocation is
 filesystem-reported blocks, not guaranteed recoverable space.
 ## Rust consumers
 The CLI package is version 2.0.0. Its scanner is the exact `sized-core` revision
 recorded in `CORE-SNAPSHOT.json`, also used by SizeQueen. The core snapshot's
 internal package version remains 0.0.0; the full Git revision and file hashes
 identify it. It is an included path dependency, so no private forge access or
 separate core installation is required.
 Public scanner types and `sized::scan` are re-exported from that dependency.
 `EntryType` adds `Special` and `Unknown`; update exhaustive matches. `Node` has
 additional accounting/status fields and internal state; obtain nodes through
 `scan_tree` instead of struct literals. `Args` adds `one_file_system`, and
 `run` returns scan completeness as a boolean. `build_tree` remains a compatibility
 helper, but use `scan_tree` to retain structured errors and diagnostics.
 Use a fresh `ScanControl` per scan. Cancellation is cooperative between
 filesystem calls. SizeQueen does not launch the CLI; both use the core in process.
@@ -0,0 +1,14 @@
 #!/usr/bin/env python3
 """Verify the exact public core snapshot without contacting its private forge."""
 import hashlib
 import json
 from pathlib import Path
 root = Path(__file__).resolve().parent.parent
 pin = json.loads((root / 'CORE-SNAPSHOT.json').read_text())
 snapshot = root / 'crates/sized-core'
 actual = {str(p.relative_to(snapshot)): hashlib.sha256(p.read_bytes()).hexdigest()
          for p in snapshot.rglob('*') if p.is_file()}
 if actual != pin['files']:
    raise SystemExit('Core snapshot differs from CORE-SNAPSHOT.json; review the upstream pin and every changed file.')
 print(f"Core snapshot verified: {pin['revision']} ({len(actual)} files)")
@@ -0,0 +1,41 @@
 #!/usr/bin/env bash
 set -euo pipefail
 test "$(uname -s)" = Linux
 test "$(id -u)" != 0
 printf 'Linux checks: uid=%s architecture=%s\n' "$(id -u)" "$(uname -m)"
 rustc --version
 cargo --version
 # Only source inputs are copied. Cargo output and all fixtures disappear with
 # the container; the host checkout is read-only and no personal tree is scanned.
 check_root=$(mktemp -d /tmp/sized-check.XXXXXX)
 source_root=${SIZED_TEST_SOURCE:-/source}
 cp "$source_root/Cargo.toml" "$source_root/Cargo.lock" "$check_root/"
 cp -R "$source_root/src" "$source_root/tests" "$source_root/benches" "$source_root/crates" "$source_root/docs" "$check_root/"
 cp "$source_root/CORE-SNAPSHOT.json" "$check_root/"
 if [[ -d "$source_root/vendor" ]]; then
    cp -R "$source_root/vendor" "$source_root/.cargo" "$check_root/"
    export CARGO_NET_OFFLINE=true
 fi
 cp "$source_root/LICENSE" "$source_root/README.md" "$source_root/MANUAL.md" "$check_root/"
 mkdir "$check_root/scripts"
 cp "$source_root"/scripts/{release.sh,check-release.sh,check-core.py,package-notices.py} "$check_root/scripts/"
 export SIZED_SOURCE_REVISION="${SIZED_SOURCE_REVISION:-$(git -C "$source_root" rev-parse HEAD 2>/dev/null || printf unknown)}"
 cd "$check_root"
 python3 scripts/check-core.py
 cargo fmt --all -- --check
 cargo test --locked --workspace
 cargo test --locked --workspace --test linux_mount -- --ignored
 cargo clippy --locked --workspace --all-targets -- -D warnings
 cargo build --locked --release
 fixture_root=$(mktemp -d /tmp/sized-release.XXXXXX)
 printf 'Linux release smoke test\n' > "$fixture_root/payload"
 ./target/release/sized --version
 ./target/release/sized "$fixture_root" --threads 2 --one-file-system --apparent --format json
 ./scripts/check-release.sh
 if [[ -n ${SIZED_RELEASE_DIR:-} ]]; then
    ./scripts/release.sh --output-dir "$SIZED_RELEASE_DIR/sized-v2.0.0-$(rustc -vV | sed -n 's/^host: //p')"
 fi
 printf 'Linux checks passed.\n'
@@ -0,0 +1,27 @@
 #!/usr/bin/env bash
 set -euo pipefail
 # Pin the multi-platform official image, not a moving tag. Tests run on Linux
 # filesystems rather than the source bind mount, whose permission semantics vary.
 repo_root=$(cd "$(dirname "$0")/.." && pwd)
 platform=${1:-linux/$(docker version --format '{{.Server.Arch}}')}
 case "$platform" in
    linux/arm64|linux/amd64) ;;
    *) printf 'Usage: %s [linux/arm64|linux/amd64]\n' "$0" >&2; exit 2 ;;
 esac
 image=${SIZED_LINUX_IMAGE:-rust:1.88.0-bookworm@sha256:af306cfa71d987911a781c37b59d7d67d934f49684058f96cf72079c3626bfe0}
 check_image="sized-linux-check:${platform#linux/}"
 mkdir -p "$repo_root/target/linux-checks"
 log_file="$repo_root/target/linux-checks/${platform#linux/}.log"
 docker build --platform "$platform" --build-arg "BASE_IMAGE=$image" \
    --tag "$check_image" - < "$repo_root/scripts/linux-check.Dockerfile"
 docker run --rm --platform "$platform" \
    --user 65532:65532 --cap-drop ALL --security-opt no-new-privileges \
    --mount "type=bind,src=$repo_root,dst=/source,readonly" \
    --tmpfs /tmp/sized-mount-test:rw,nosuid,nodev,noexec,size=16m,uid=65532,gid=65532,mode=0700 \
    --tmpfs /tmp/sized-mount-test/foreign:rw,nosuid,nodev,noexec,size=16m,uid=65532,gid=65532,mode=0700 \
    --env CARGO_HOME=/tmp/sized-cargo \
    --env CARGO_BUILD_JOBS="${SIZED_LINUX_JOBS:-2}" \
    --env SIZED_TEST_MOUNT_ROOT=/tmp/sized-mount-test \
    "$check_image" bash /source/scripts/check-linux-container.sh 2>&1 | tee "$log_file"
@@ -0,0 +1,39 @@
 #!/usr/bin/env bash
 set -euo pipefail
 repo_root=$(cd "$(dirname "$0")/.." && pwd)
 check_root=$(mktemp -d "${TMPDIR:-/tmp}/sized-package.XXXXXX")
 trap 'rm -rf "$check_root"' EXIT
 "$repo_root/scripts/release.sh" --output-dir "$check_root/bundle"
 mkdir "$check_root/extracted" "$check_root/fixture"
 tar -xzf "$check_root/bundle.tar.gz" -C "$check_root/extracted"
 for required in sized sized.1 sized.bash _sized sized.fish LICENSE README.md MANUAL.md BUILD-INFO.txt LICENCES.txt DEPENDENCIES.json CORE-SNAPSHOT.json docs/UPGRADING-2.md docs/RELEASE-LICENSING.md; do
    test -s "$check_root/extracted/$required"
 done
 test -x "$check_root/extracted/sized"
 (
    cd "$check_root"
    if command -v sha256sum >/dev/null 2>&1; then
        sha256sum -c bundle.tar.gz.sha256
    else
        shasum -a 256 -c bundle.tar.gz.sha256
    fi
 )
 printf 'owned package fixture\n' > "$check_root/fixture/payload"
 "$check_root/extracted/sized" --version
 "$check_root/extracted/sized" "$check_root/fixture" --apparent --format json > "$check_root/result.json"
 grep -q 'payload' "$check_root/result.json"
 grep -q '"complete":true' "$check_root/result.json"
 if "$repo_root/scripts/release.sh" --output-dir "$check_root/bundle" > "$check_root/repeat.log" 2>&1; then
    printf 'Packaging unexpectedly replaced an existing output.\n' >&2
    exit 1
 fi
 grep -q 'Refusing to replace' "$check_root/repeat.log"
 ln -s "$check_root/untouched" "$check_root/linked.tar.gz"
 if "$repo_root/scripts/release.sh" --output-dir "$check_root/linked" > "$check_root/linked.log" 2>&1; then
    printf 'Packaging unexpectedly followed an existing archive symlink.\n' >&2
    exit 1
 fi
 grep -q 'Refusing to replace' "$check_root/linked.log"
 test ! -e "$check_root/untouched"
 printf 'Archive contents, checksum, extracted CLI and overwrite guard passed.\n'
@@ -0,0 +1,10 @@
 # Node supports the pinned checkout action; application code remains Rust.
 FROM node:24-bookworm@sha256:934240a162082fd8b8a2f90cd5114446443f1eba1c5378f6687167ca405e6584 AS node-runtime
 FROM rust:1.88.0-bookworm@sha256:af306cfa71d987911a781c37b59d7d67d934f49684058f96cf72079c3626bfe0
 RUN rustup component add rustfmt clippy
 COPY --from=node-runtime /usr/local/bin/node /usr/local/bin/node
 # A new runner workspace volume inherits this ownership. No setuid step or
 # Docker socket is needed in jobs, even with all capabilities dropped.
 RUN mkdir -p /workspace/gamertan/sized && chown -R 65532:65532 /workspace
 USER 65532:65532
 WORKDIR /workspace
@@ -0,0 +1,3 @@
 ARG BASE_IMAGE=rust:1.88.0-bookworm@sha256:af306cfa71d987911a781c37b59d7d67d934f49684058f96cf72079c3626bfe0
 FROM ${BASE_IMAGE}
 RUN rustup component add rustfmt clippy
@@ -0,0 +1,18 @@
 #!/usr/bin/env bash
 set -euo pipefail
 [[ $# == 2 ]] || { echo 'Usage: scripts/notarize-macos.sh PACKAGE_DIRECTORY NEW_DMG_PATH' >&2; exit 2; }
 : "${SIZED_SIGN_IDENTITY:?Set a Developer ID Application identity.}"
 package=$1
 dmg=$2
 [[ ! -e $dmg && ! -L $dmg ]] || { echo 'Refusing existing DMG.' >&2; exit 1; }
 codesign --force --sign "$SIZED_SIGN_IDENTITY" --identifier com.gamertan.sized --options runtime --timestamp "$package/sized"
 codesign --verify --strict --verbose=2 "$package/sized"
 printf '\nMac distribution: Developer ID signed; see the notarized, stapled DMG.\n' >> "$package/BUILD-INFO.txt"
 hdiutil create -quiet -volname 'Sized 2.0.0' -srcfolder "$package" -format UDZO "$dmg"
 codesign --sign "$SIZED_SIGN_IDENTITY" --timestamp "$dmg"
 xcrun notarytool submit "$dmg" --keychain-profile "${SIZED_NOTARY_PROFILE:-sizequeen-notary}" --wait --output-format json > "$dmg.notarization.json"
 test "$(plutil -extract status raw "$dmg.notarization.json")" = Accepted
 xcrun stapler staple "$dmg"
 xcrun stapler validate "$dmg"
 spctl --assess --type open --context context:primary-signature --verbose=2 "$dmg"
 echo 'Signed, notarized and stapled disk image verified.'
@@ -0,0 +1,60 @@
 #!/usr/bin/env python3
 """Preserve complete notices for the actual locked runtime/build crate graph."""
 import argparse
 import hashlib
 import json
 from pathlib import Path
 import re
 import subprocess
 REVIEWED = {'GPL-3.0-only', 'MIT', 'MIT OR Apache-2.0', 'Apache-2.0 OR MIT',
            'MIT/Apache-2.0', 'Unlicense OR MIT', 'Unlicense/MIT', 'MPL-2.0',
            'Apache-2.0', 'Apache-2.0 OR BSL-1.0',
            'Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT',
            'BSD-2-Clause OR Apache-2.0 OR MIT',
            'Zlib OR Apache-2.0 OR MIT', 'MIT OR Apache-2.0 OR Zlib',
            '(MIT OR Apache-2.0) AND Unicode-3.0'}
 NOTICE_NAME = re.compile(r'^(licen[cs]e|copying|notice|unlicense|copyright)([-.]|$)', re.I)
 p = argparse.ArgumentParser(description=__doc__)
 p.add_argument('destination', type=Path)
 p.add_argument('--revision', required=True)
 a = p.parse_args()
 root = Path(__file__).resolve().parent.parent
 host = next(x[6:] for x in subprocess.check_output(['rustc', '-vV'], text=True).splitlines() if x.startswith('host: '))
 metadata = json.loads(subprocess.check_output(['cargo', 'metadata', '--locked', '--format-version', '1', '--filter-platform', host], cwd=root, text=True))
 # Cargo metadata includes dev-unified/optional edges; use Cargo's actual normal
 # and build tree to select the shipped graph instead of guessing feature edges.
 tree = subprocess.check_output(['cargo', 'tree', '--locked', '-p', 'sized', '--target', host, '--edges', 'normal,build', '--prefix', 'none', '--format', '{p}'], cwd=root, text=True)
 selected = {tuple(re.match(r'^(\S+) v(\S+)', line).groups()) for line in tree.splitlines()}
 packages = sorted([x for x in metadata['packages'] if (x['name'], x['version']) in selected], key=lambda x: (x['name'], x['version']))
 assert len(packages) == len(selected), 'Ambiguous or missing package identity'
 texts, inventory = {}, []
 for package in packages:
    if package['license'] not in REVIEWED:
        raise ValueError(f"Unreviewed licence: {package['name']} {package['license']}")
    directory = Path(package['manifest_path']).parent
    files = sorted(f for f in directory.iterdir() if f.is_file() and NOTICE_NAME.match(f.name))
    if not files:
        raise ValueError(f"Missing licence text: {package['name']}")
    notices = []
    for f in files:
        data = f.read_bytes(); text = data.decode('utf-8'); assert text.strip()
        digest = hashlib.sha256(data).hexdigest()
        texts.setdefault(digest, {'labels': [], 'text': text})['labels'].append(f"{package['name']} {package['version']} / {f.name}")
        notices.append({'file': f.name, 'sha256': digest})
    inventory.append({'name': package['name'], 'version': package['version'], 'license': package['license'], 'notices': notices})
 header = ['Sized - Licences and credits', '', f'Source revision: {a.revision}',
          f'Target: {host}', '', 'Sized and its core are GPL-3.0-only, without warranty.',
          'Matching source, including the pinned core and dependency sources, is available at:',
          'https://gamertan.com/projects/sized/ and the matching Gitea release.',
          'The colored 2.2.0 source remains under MPL-2.0 and is additionally distributed',
          'under GPL-3.0-only as part of this Larger Work under MPL section 3.3.',
          'All original notices are preserved. See docs/RELEASE-LICENSING.md in the source.', '',
          'Runtime and build dependencies (development-only dependencies are excluded):']
 header += [f"  {x['name']} {x['version']} - {x['license']}" for x in inventory]
 for x in texts.values():
    header += ['', '='*72, '\n'.join(x['labels']), '='*72, x['text']]
 a.destination.mkdir(parents=True, exist_ok=True)
 (a.destination/'LICENCES.txt').write_text('\n'.join(header)+'\n')
 (a.destination/'DEPENDENCIES.json').write_text(json.dumps({'revision': a.revision, 'target': host, 'packages': inventory}, indent=2)+'\n')
 print(f'Packaged complete notices for {len(inventory)} runtime/build crates ({host}).')
@@ -0,0 +1,42 @@
 #!/usr/bin/env bash
 set -euo pipefail
 repo_root=$(cd "$(dirname "$0")/.." && pwd)
 cd "$repo_root"
 [[ $# == 1 && $1 == /* ]] || { echo 'Usage: scripts/package-source.sh ABSOLUTE_NEW_DIRECTORY' >&2; exit 2; }
 destination=$1
 [[ ! -e $destination && ! -L $destination ]] || { echo 'Refusing existing source output.' >&2; exit 1; }
 git diff --quiet HEAD -- || { echo 'Commit tracked changes before packaging.' >&2; exit 1; }
 revision=$(git rev-parse HEAD)
 mkdir -p "$destination"
 source_dir="$destination/sized-source"
 mkdir "$source_dir"
 git archive "$revision" | tar -x -C "$source_dir"
 mkdir -p "$source_dir/.cargo"
 cargo vendor --locked --versioned-dirs --manifest-path "$source_dir/Cargo.toml" "$source_dir/vendor" > "$destination/vendor-config"
 sed 's|directory = ".*"|directory = "vendor"|' "$destination/vendor-config" > "$source_dir/.cargo/config.toml"
 printf '%s\n' "$revision" > "$source_dir/SOURCE-REVISION.txt"
 cat > "$source_dir/BUILD-OFFLINE.txt" <<BUILD
 Sized 2.0.0 source checkpoint: $revision
 Requires Rust 1.88 or newer and the target platform's C linker/toolchain.
 From this directory: cargo build --locked --offline --release
 Test: cargo test --locked --offline --workspace (run as an ordinary user)
 Verify included core: python3 scripts/check-core.py
 Make an unsigned host archive: SIZED_SOURCE_REVISION=$revision scripts/release.sh
 Developer ID signing/notarization requires your own identity and is separate.
 BUILD
 (cd "$source_dir" && CARGO_HOME="$destination/empty-cargo-home" CARGO_TARGET_DIR="$destination/check-target" cargo check --locked --offline --workspace --all-targets)
 (cd "$source_dir" && python3 scripts/check-core.py)
 COPYFILE_DISABLE=1 tar --no-xattrs -czf "$destination/sized-v2.0.0-source.tar.gz" -C "$destination" sized-source
 # Reject platform metadata sidecars before any publication or Linux rebuild.
 python3 - "$destination/sized-v2.0.0-source.tar.gz" <<'PY_CHECK'
 import sys, tarfile
 from pathlib import PurePosixPath
 with tarfile.open(sys.argv[1]) as archive:
    for entry in archive:
        if any(part.startswith('._') for part in PurePosixPath(entry.name).parts):
            raise SystemExit(f'Unexpected AppleDouble metadata: {entry.name}')
        if any('xattr' in key.lower() for key in entry.pax_headers):
            raise SystemExit(f'Unexpected extended attributes: {entry.name}')
 PY_CHECK
 printf '%s\n' "$revision" > "$destination/SOURCE-REVISION.txt"
 echo "Verified offline source: $destination/sized-v2.0.0-source.tar.gz"
@@ -1,53 +1,59 @@
-#!/bin/bash
+#!/usr/bin/env bash
-set -e
+set -euo pipefail
-VERSION=$(grep '^version =' Cargo.toml | cut -d '"' -f 2)
+# Build a host-target archive only. No tags, uploads, installers or signing.
-DIST_DIR="dist/v$VERSION"
+repo_root=$(cd "$(dirname "$0")/.." && pwd)
-
+cd "$repo_root"
-echo "Building release assets for sized v$VERSION..."
+version=$(sed -n 's/^version = "\([^"]*\)"/\1/p' Cargo.toml)
-
+target=$(rustc -vV | sed -n 's/^host: //p')
-# 1. Clean and Prepare
+revision=${SIZED_SOURCE_REVISION:-$(git rev-parse HEAD 2>/dev/null || printf unknown)}
-rm -rf "$DIST_DIR"
+destination="$repo_root/dist/sized-v$version-$target-${revision:0:12}"
-mkdir -p "$DIST_DIR"
+if [[ $# == 2 && $1 == --output-dir ]]; then
-
+    destination=$2
-# 2. Build Release Binary
+elif [[ $# != 0 ]]; then
-cargo build --release
+    printf 'Usage: %s [--output-dir ABSOLUTE_PATH]\n' "$0" >&2
-
+    exit 2
 # 3. Generate Man Page
 cargo run --release -- --generate-man-page "$DIST_DIR"
 # 4. Generate Completions
 cargo run --release -- --completions bash > "$DIST_DIR/sized.bash"
 cargo run --release -- --completions zsh > "$DIST_DIR/_sized"
 cargo run --release -- --completions fish > "$DIST_DIR/sized.fish"
 # 5. Build Debian Package (if cargo-deb is installed)
 if command -v cargo-deb &> /dev/null; then
    echo "Building Debian package..."
    # On macOS, we use --no-strip to avoid 'unrecognized option: --strip-unneeded'
    # and --no-build because we already built the release binary.
    cargo deb --no-build --no-strip
    cp target/debian/*.deb "$DIST_DIR/"
    echo "Note: .deb package contains the binary for $(uname -s)-$(uname -m)"
 else
    echo "Warning: cargo-deb not found. Skipping .deb packaging."
 fi
 [[ $destination == /* ]] || { printf 'Output directory must be absolute.\n' >&2; exit 2; }
 for output in "$destination" "$destination.tar.gz" "$destination.tar.gz.sha256"; do
    [[ ! -e $output && ! -L $output ]] || { printf 'Refusing to replace %s\n' "$output" >&2; exit 1; }
 done
-# 6. Build Alpine Package (Placeholder/Hook)
+target_dir=${CARGO_TARGET_DIR:-"$repo_root/target"}
-# Note: For real .apk building, one usually uses a docker container or abuild.
+[[ $target_dir == /* ]] || target_dir="$repo_root/$target_dir"
-# This serves as a reminder for Alpine users.
+python3 scripts/check-core.py
-if [ -f "APKBUILD" ] && command -v abuild &> /dev/null; then
+cargo build --locked --release --target "$target" --target-dir "$target_dir"
-    echo "Building Alpine package..."
+binary="$target_dir/$target/release/sized"
-    abuild -r
+mkdir -p "$destination"
-fi
+install -m 755 "$binary" "$destination/sized"
 "$binary" --generate-man-page "$destination"
 "$binary" --completions bash > "$destination/sized.bash"
 "$binary" --completions zsh > "$destination/_sized"
 "$binary" --completions fish > "$destination/sized.fish"
 cp LICENSE README.md MANUAL.md CORE-SNAPSHOT.json "$destination/"
 cp -R docs "$destination/"
 python3 scripts/package-notices.py "$destination" --revision "$revision"
 {
    printf 'Version: %s\nTarget: %s\nSource revision: %s\n' "$version" "$target" "$revision"
    printf 'Source worktree: '
    if [[ $(git rev-parse --show-toplevel 2>/dev/null || true) == "$repo_root" ]]; then
        if git diff --quiet HEAD --; then printf 'clean tracked files\n'; else printf 'modified tracked files\n'; fi
    else
        printf 'exported source; verify against supplied revision\n'
    fi
    rustc --version
    cargo --version
    printf 'Unsigned host build; not a notarized Mac application.\n'
 } > "$destination/BUILD-INFO.txt"
-# 7. Create General Release Tarball
+COPYFILE_DISABLE=1 tar --no-xattrs -czf "$destination.tar.gz" -C "$destination" .
-echo "Creating release tarball..."
+(
-tar -czf "dist/sized-v$VERSION-$(uname -s)-$(uname -m).tar.gz" -C "$DIST_DIR" .
+    cd "$(dirname "$destination")"
-
+    archive="$(basename "$destination").tar.gz"
-# 8. Copy Binary
+    if command -v sha256sum >/dev/null 2>&1; then
-cp target/release/sized "$DIST_DIR/"
+        sha256sum "$archive" > "$archive.sha256"
-
+    else
-echo "Success! Assets are ready in $DIST_DIR"
+        shasum -a 256 "$archive" > "$archive.sha256"
-ls -F "$DIST_DIR"
+    fi
-echo "Tarball: dist/sized-v$VERSION-$(uname -s)-$(uname -m).tar.gz"
+)
 printf 'Archive: %s.tar.gz\nChecksum: %s.tar.gz.sha256\n' "$destination" "$destination"
@@ -1,10 +1,10 @@
 .ie \n(.g .ds Aq \(aq
 .el .ds Aq '
-.TH sized 1  "sized 1.0.0" 
+.TH sized 1  "sized 2.0.0"
 .SH NAME
 sized \- A modern, fast, and concurrent disk usage analyzer
 .SH SYNOPSIS
-\fBsized\fR [\fB\-v\fR|\fB\-\-version\fR] [\fB\-m\fR|\fB\-\-min\-size\fR] [\fB\-n\fR|\fB\-\-number\fR] [\fB\-\-sort\fR] [\fB\-a\fR|\fB\-\-apparent\fR] [\fB\-d\fR|\fB\-\-depth\fR] [\fB\-f\fR|\fB\-\-path\-full\fR] [\fB\-\-path\-relative\fR] [\fB\-j\fR|\fB\-\-threads\fR] [\fB\-\-completions\fR] [\fB\-i\fR|\fB\-\-ignore\fR] [\fB\-\-format\fR] [\fB\-\-save\fR] [\fB\-\-precision\fR] [\fB\-\-units\fR] [\fB\-c\fR|\fB\-\-compare\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fIPATH\fR] 
+\fBsized\fR [\fB\-v\fR|\fB\-\-version\fR] [\fB\-m\fR|\fB\-\-min\-size\fR] [\fB\-n\fR|\fB\-\-number\fR] [\fB\-\-sort\fR] [\fB\-a\fR|\fB\-\-apparent\fR] [\fB\-d\fR|\fB\-\-depth\fR] [\fB\-f\fR|\fB\-\-path\-full\fR] [\fB\-\-path\-relative\fR] [\fB\-j\fR|\fB\-\-threads\fR] [\fB\-x\fR|\fB\-\-one\-file\-system\fR] [\fB\-\-completions\fR] [\fB\-i\fR|\fB\-\-ignore\fR] [\fB\-\-format\fR] [\fB\-\-save\fR] [\fB\-\-precision\fR] [\fB\-\-units\fR] [\fB\-c\fR|\fB\-\-compare\fR] [\fB\-h\fR|\fB\-\-help\fR] [\fIPATH\fR]
 .SH DESCRIPTION
 A modern, fast, and concurrent disk usage analyzer
 .SH OPTIONS
@@ -36,6 +36,9 @@ Display paths relative to current directory (default)
 \fB\-j\fR, \fB\-\-threads\fR \fI<THREADS>\fR
 Number of threads to use (defaults to available logical CPUs)
 .TP
 \fB\-x\fR, \fB\-\-one\-file\-system\fR
 Stay on the target\*(Aqs filesystem instead of descending into other mounts
 .TP
 \fB\-\-completions\fR \fI<COMPLETIONS>\fR
 Generate shell completions
 .br
@@ -75,7 +78,4 @@ Print help
 [\fIPATH\fR] [default: .]
 Directory to analyze
 .SH VERSION
-v1.0.0
+v2.0.0
 .SH COPYRIGHT
 sized is licensed under the GNU General Public License v3.0 (GPL-3.0).
@@ -6,15 +6,17 @@ use colored::*;
 use comfy_table::presets::UTF8_FULL;
 use comfy_table::{Attribute, Cell, CellAlignment, Color, ContentArrangement, Table};
 use csv::WriterBuilder;
 use ignore::WalkBuilder;
 use rayon::prelude::*;
 use serde::Serialize;
 use std::cmp::Ordering;
 use std::io::Write;
-use std::os::unix::fs::MetadataExt;
+use std::path::PathBuf;
 use std::path::{Path, PathBuf};
 use std::str::FromStr;
 pub use scanner_core::{build_tree, scan};
 pub use scanner_core::{
    scan_tree, EntryType, FileIdentity, Node, ScanControl, ScanError, ScanIssue, ScanOptions,
    ScanReport,
 };
 #[derive(Parser, Debug, Clone)]
 #[command(author, version, about, long_about = None)]
 #[command(disable_version_flag = true)]
@@ -61,6 +63,10 @@ pub struct Args {
    #[arg(short = 'j', long = "threads")]
    pub threads: Option<usize>,
    /// Stay on the target's filesystem instead of descending into other mounts
    #[arg(short = 'x', long)]
    pub one_file_system: bool,
    /// Generate shell completions
    #[arg(long, value_enum)]
    pub completions: Option<Shell>,
@@ -125,7 +131,7 @@ impl FromStr for SortColumn {
            "size" | "s" | "disk" | "d" => Ok(SortColumn::Disk),
            "apparent" | "a" => Ok(SortColumn::Apparent),
            "blocks" | "b" => Ok(SortColumn::Blocks),
-            _ => Err(format!("Unknown column: {}", s)),
+            _ => Err(format!("Unknown column: {s}")),
        }
    }
 }
@@ -142,45 +148,19 @@ impl FromStr for SortDirection {
        match s.to_lowercase().as_str() {
            "asc" | "a" => Ok(SortDirection::Asc),
            "dsc" | "d" | "desc" => Ok(SortDirection::Dsc),
-            _ => Err(format!("Unknown direction: {}", s)),
+            _ => Err(format!("Unknown direction: {s}")),
        }
    }
 }
-#[derive(Clone, Serialize, Debug)]
+/// Returns whether the scan completed without missing entries. The caller
-pub struct Node {
+/// chooses the exit status; partial reports remain available to the user.
-    pub path: PathBuf,
+pub fn run(args: Args, mut writer: &mut dyn Write) -> bool {
    pub size_bytes: u64,
    pub blocks: u64,
    pub size_bytes_filtered: u64,
    pub blocks_filtered: u64,
    pub entry_type: EntryType,
    pub accessible: bool,
    #[serde(skip)]
    pub children: Vec<Node>,
 }
 #[derive(Clone, Serialize, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub enum EntryType {
    File,
    Dir,
 }
 impl std::fmt::Display for EntryType {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            EntryType::File => write!(f, "File"),
            EntryType::Dir => write!(f, "Dir"),
        }
    }
 }
 pub fn run(args: Args, mut writer: &mut dyn Write) {
    if let Some(shell) = args.completions {
        let mut cmd = Args::command();
        let name = cmd.get_name().to_string();
        generate(shell, &mut cmd, name, &mut std::io::stdout());
-        return;
+        return true;
    }
    if let Some(out_dir) = args.generate_man_page {
@@ -193,28 +173,16 @@ pub fn run(args: Args, mut writer: &mut dyn Write) {
        let file_path = out_dir.join("sized.1");
        std::fs::write(&file_path, buffer).expect("Failed to write man page");
        println!("Man page generated at {}", file_path.display());
-        return;
+        return true;
    }
    if let Some(threads) = args.threads {
        rayon::ThreadPoolBuilder::new()
            .num_threads(threads)
            .build_global()
            .ok(); // Ignore error if initialized called multiple times (e.g. in tests)
    }
    let target_path = args.path.clone();
    if !target_path.exists() {
        eprintln!("Error: Path '{}' does not exist.", target_path.display());
        std::process::exit(1);
    }
    let min_bytes = if let Some(size_str) = &args.min_size {
        match Byte::parse_str(size_str, true) {
            Ok(byte) => byte.as_u64(),
            Err(e) => {
-                eprintln!("Error parsing size '{}': {}", size_str, e);
+                eprintln!("Error parsing size '{size_str}': {e}");
                std::process::exit(1);
            }
        }
@@ -234,134 +202,40 @@ pub fn run(args: Args, mut writer: &mut dyn Write) {
        }
    }
-    let root_node = build_tree(&target_path, args.ignore, args.compare);
+    let report = match scan_tree(
        &target_path,
        &ScanOptions {
            respect_ignore: args.ignore,
            compare_ignore: args.compare,
            stay_on_filesystem: args.one_file_system,
            threads: args.threads,
        },
        &ScanControl::default(),
    ) {
        Ok(report) => report,
        Err(e) => {
            eprintln!("Error: {e}");
            return false;
        }
    };
    for issue in &report.issues {
        eprintln!(
            "Warning: incomplete scan at '{}': {}",
            issue.path.display(),
            issue.message
        );
    }
    let root_node = report.root;
    if root_node.size_bytes < min_bytes {
        if args.format == OutputFormat::Text {
            writeln!(writer, "Root directory is smaller than minimum size.").ok();
        }
-        return;
+        return root_node.complete;
    }
    process_node_recursive(&mut writer, &root_node, 0, &args, min_bytes, &sort_criteria);
-}
+    root_node.complete
 pub fn build_tree(path: &Path, ignore: bool, compare: bool) -> Node {
    let metadata = path.symlink_metadata();
    if let Ok(meta) = metadata {
        // Treat symlinks as files (nodes) but do not recurse
        if meta.is_file() || meta.is_symlink() {
            return Node {
                path: path.to_path_buf(),
                size_bytes: meta.len(),
                blocks: meta.blocks(),
                size_bytes_filtered: meta.len(), // Single file is its own filtered size for now
                blocks_filtered: meta.blocks(),
                entry_type: EntryType::File,
                accessible: true,
                children: vec![],
            };
        }
    }
    // Check if we can read the directory (handle permissions)
    if let Err(e) = std::fs::read_dir(path) {
        if e.kind() == std::io::ErrorKind::PermissionDenied {
            // Return an "empty" directory node marked as inaccessible
            let meta = path.symlink_metadata().ok();
            let size = meta.as_ref().map(|m| m.len()).unwrap_or(0);
            let blocks = meta.as_ref().map(|m| m.blocks()).unwrap_or(0);
            return Node {
                path: path.to_path_buf(),
                size_bytes: size,
                blocks,
                size_bytes_filtered: size,
                blocks_filtered: blocks,
                entry_type: EntryType::Dir,
                accessible: false,
                children: vec![],
            };
        }
    }
    // Total walker (always everything if compare is true, else respects 'ignore' arg)
    let total_ignore = if compare { false } else { ignore };
    let walker_total = WalkBuilder::new(path)
        .standard_filters(false)
        .hidden(false)
        .git_ignore(total_ignore)
        .ignore(total_ignore)
        .max_depth(Some(1))
        .build();
    let child_paths_total: Vec<PathBuf> = walker_total
        .into_iter()
        .filter_map(|e| e.ok())
        .filter(|e| e.path() != path)
        .map(|e| e.path().to_path_buf())
        .collect();
    // Filtered set (only if compare is true)
    let non_ignored_set: std::collections::HashSet<PathBuf> = if compare {
        let walker_filtered = WalkBuilder::new(path)
            .standard_filters(false)
            .hidden(false)
            .git_ignore(true)
            .ignore(true)
            .max_depth(Some(1))
            .build();
        walker_filtered
            .into_iter()
            .filter_map(|e| e.ok())
            .filter(|e| e.path() != path)
            .map(|e| e.path().to_path_buf())
            .collect()
    } else {
        std::collections::HashSet::new()
    };
    let children: Vec<Node> = child_paths_total
        .par_iter()
        .map(|p| build_tree(p, ignore, compare))
        .collect();
    let mut size_bytes = 0;
    let mut blocks = 0;
    let mut size_bytes_filtered = 0;
    let mut blocks_filtered = 0;
    for child in &children {
        size_bytes += child.size_bytes;
        blocks += child.blocks;
        if compare {
            if non_ignored_set.contains(&child.path) {
                size_bytes_filtered += child.size_bytes_filtered;
                blocks_filtered += child.blocks_filtered;
            }
        } else {
            size_bytes_filtered += child.size_bytes_filtered;
            blocks_filtered += child.blocks_filtered;
        }
    }
    let (self_size, self_blocks) = path
        .symlink_metadata()
        .map(|m| (m.len(), m.blocks()))
        .unwrap_or((0, 0));
    Node {
        path: path.to_path_buf(),
        size_bytes: size_bytes + self_size,
        blocks: blocks + self_blocks,
        size_bytes_filtered: size_bytes_filtered + self_size, // self is always part of self
        blocks_filtered: blocks_filtered + self_blocks,
        entry_type: EntryType::Dir,
        accessible: true,
        children,
    }
 }
 fn process_node_recursive(
@@ -372,8 +246,6 @@ fn process_node_recursive(
    min_bytes: u64,
    sort_criteria: &[(SortColumn, SortDirection)],
 ) {
    if node.children.is_empty() && node.entry_type == EntryType::Dir {}
    let mut display_children: Vec<&Node> = node
        .children
        .iter()
@@ -406,7 +278,7 @@ fn process_node_recursive(
    print_output(
        writer,
-        &node,
+        node,
        &display_children,
        args,
        &relative_path,
@@ -591,7 +463,7 @@ fn print_text(
            }
        }
-        writeln!(writer, "{}", summary).ok();
+        writeln!(writer, "{summary}").ok();
    } else {
        writeln!(writer, "Total size: {}", "Access Denied".bold().red()).ok();
    }
@@ -735,7 +607,7 @@ fn print_text(
                Cell::new("N/A")
                    .fg(Color::Red)
                    .set_alignment(CellAlignment::Right),
-                Cell::new("Access Denied")
+                Cell::new("Unavailable")
                    .fg(Color::Red)
                    .set_alignment(CellAlignment::Right),
            ];
@@ -762,7 +634,7 @@ fn print_text(
            table.add_row(row);
        }
    }
-    writeln!(writer, "{}", table).ok();
+    writeln!(writer, "{table}").ok();
 }
 fn print_csv(writer: &mut dyn Write, children: &[&Node], args: &Args) {
@@ -794,6 +666,9 @@ fn print_json(writer: &mut dyn Write, parent_node: &Node, children: &[&Node], ar
                "path": &c.path,
                "entry_type": c.entry_type.to_string(),
                "accessible": c.accessible,
                "complete": c.complete,
                "hard_link_duplicate": c.hard_link_duplicate,
                "skipped_mount": c.skipped_mount,
                "disk_usage": c.blocks * 512,
                "blocks": c.blocks,
            });
@@ -831,6 +706,7 @@ fn print_json(writer: &mut dyn Write, parent_node: &Node, children: &[&Node], ar
        "total_blocks": parent_node.blocks,
        "entries": entries_view,
        "accessible": parent_node.accessible,
        "complete": parent_node.complete,
    });
    if args.apparent {
@@ -18,7 +18,7 @@ fn main() {
                OutputFormat::Json => "json",
                _ => "txt",
            };
-            PathBuf::from(format!("{}_{}.{}", timestamp, dir_name, ext))
+            PathBuf::from(format!("{timestamp}_{dir_name}.{ext}"))
        } else {
            path_arg.clone()
        };
@@ -29,5 +29,7 @@ fn main() {
        Box::new(std::io::stdout())
    };
-    run(args, &mut writer);
+    if !run(args, &mut writer) {
        std::process::exit(1);
    }
 }
@@ -11,7 +11,7 @@ fn test_basic_cli_run() {
    cmd.arg("--version")
        .assert()
        .success()
-        .stdout(predicate::str::contains("sized 1.0.0"));
+        .stdout(predicate::str::contains("sized 2.0.0"));
 }
 #[test]
@@ -45,3 +45,55 @@ fn test_json_output() {
        .stdout(predicate::str::contains("\"entry_type\":\"File\""))
        .stdout(predicate::str::contains("\"path\":"));
 }
 #[test]
 fn missing_path_fails_without_a_success_report() {
    let dir = TempDir::new().unwrap();
    Command::new(env!("CARGO_BIN_EXE_sized"))
        .arg(dir.path().join("missing"))
        .args(["--format", "json"])
        .assert()
        .failure()
        .stdout(predicate::str::is_empty())
        .stderr(predicate::str::contains("cannot scan"));
 }
 #[cfg(unix)]
 #[test]
 fn partial_scan_has_nonzero_status_and_explicit_json_flag() {
    use std::{fs, os::unix::fs::PermissionsExt};
    let dir = TempDir::new().unwrap();
    let blocked = dir.path().join("blocked");
    fs::create_dir(&blocked).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"
        );
        Command::new(env!("CARGO_BIN_EXE_sized"))
            .arg(dir.path())
            .args(["--format", "json"])
            .assert()
            .failure()
            .stdout(predicate::str::contains("\"complete\":false"))
            .stderr(predicate::str::contains("incomplete scan"));
    });
    fs::set_permissions(blocked, fs::Permissions::from_mode(0o700)).unwrap();
    result.unwrap();
 }
 #[cfg(unix)]
 #[test]
 fn dangling_symlink_is_a_valid_scan_target() {
    use std::os::unix::fs::symlink;
    let dir = TempDir::new().unwrap();
    let path = dir.path().join("dangling");
    symlink(dir.path().join("missing"), &path).unwrap();
    Command::new(env!("CARGO_BIN_EXE_sized"))
        .arg(path)
        .args(["--format", "json"])
        .assert()
        .success()
        .stdout(predicate::str::contains("\"complete\":true"));
 }
@@ -0,0 +1,96 @@
 #![cfg(target_os = "linux")]
 use sized::{scan_tree, ScanControl, ScanOptions};
 use std::{fs, io::Write, os::unix::fs::MetadataExt, path::PathBuf, process::Command};
 use tempfile::NamedTempFile;
 #[test]
 #[ignore = "requires the two owned tmpfs mounts from scripts/check-linux.sh"]
 fn real_mount_boundary_is_respected_by_scanner_and_cli() {
    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()
            );
        }
        let mut command = Command::new(env!("CARGO_BIN_EXE_sized"));
        command
            .arg(&root)
            .args(["--format", "json", "--apparent", "--threads", "2"]);
        if bounded {
            command.arg("--one-file-system");
        }
        let output = command.output().unwrap();
        assert!(
            output.status.success(),
            "{}",
            String::from_utf8_lossy(&output.stderr)
        );
        assert!(output.stderr.is_empty());
        let json: serde_json::Value = serde_json::from_slice(&output.stdout).unwrap();
        assert_eq!(json["complete"], true);
        assert_eq!(json["total_blocks"], report.root.blocks);
        let mount_json = json["entries"]
            .as_array()
            .unwrap()
            .iter()
            .find(|entry| entry["path"] == foreign.to_str().unwrap())
            .unwrap();
        assert_eq!(mount_json["skipped_mount"], bounded);
        assert_eq!(mount_json["blocks"], mount.blocks);
        assert_eq!(mount_json["apparent_size"], mount.size_bytes);
    }
 }
@@ -0,0 +1,254 @@
 #![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);
 }