chore(deps): update rust crate divan to v5.0.1

chore(deps): update actions/cache action to v6
chore(deps): update rust crate divan to v5
2026-06-28 22:58:30 -04:00 · 2026-06-27 11:15:35 +02:00 · 2026-06-24 09:11:15 +02:00 · 2026-06-24 07:53:41 +02:00 · 2026-06-10 15:12:36 +02:00 · 2026-06-10 10:21:25 +02:00
35 changed files with 1208 additions and 638 deletions
@@ -0,0 +1,100 @@
 name: GnuComment
 on:
  workflow_run:
    workflows: ["GnuTests"]
    types:
      - completed
 permissions: {}
 jobs:
  post-comment:
    permissions:
      actions: read  #  to list workflow runs artifacts
      pull-requests: write  #  to comment on pr
    runs-on: ubuntu-latest
    if: >
      github.event.workflow_run.event == 'pull_request'
    steps:
      - name: 'Download artifact'
        uses: actions/github-script@v9
        with:
          script: |
            // List all artifacts from GnuTests
            var artifacts = await github.rest.actions.listWorkflowRunArtifacts({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: ${{ github.event.workflow_run.id }},
            });
            // Download the "comment" artifact, which contains a PR number (NR) and result.txt
            var matchArtifact = artifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "comment"
            })[0];
            if (!matchArtifact) {
              console.log('No comment artifact found');
              return;
            }
            var download = await github.rest.actions.downloadArtifact({
              owner: context.repo.owner,
              repo: context.repo.repo,
              artifact_id: matchArtifact.id,
              archive_format: 'zip',
            });
            var fs = require('fs');
            fs.writeFileSync('${{ github.workspace }}/comment.zip', Buffer.from(download.data));
      - run: unzip comment.zip || echo "Failed to unzip comment artifact"
      - name: 'Comment on PR'
        uses: actions/github-script@v9
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            var fs = require('fs');
            // Check if files exist
            if (!fs.existsSync('./NR')) {
              console.log('No NR file found, skipping comment');
              return;
            }
            if (!fs.existsSync('./result.txt')) {
              console.log('No result.txt file found, skipping comment');
              return;
            }
            var issue_number = Number(fs.readFileSync('./NR'));
            var content = fs.readFileSync('./result.txt');
            if (content.toString().trim().length > 7) { // 7 because we have backquote + \n
              // Update existing comment if present, otherwise create a new one
              var marker = '<!-- gnu-tests-bot -->';
              var body = marker + '\nGNU diffutils testsuite comparison:\n```\n' + content + '```';
              var comments = await github.rest.issues.listComments({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issue_number,
              });
              var existing = comments.data.filter(c => c.body.includes(marker))[0];
              if (existing) {
                await github.rest.issues.updateComment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  comment_id: existing.id,
                  body: body,
                });
              } else {
                await github.rest.issues.createComment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: issue_number,
                  body: body,
                });
              }
            } else {
              console.log('Comment content too short, skipping');
            }
@@ -0,0 +1,231 @@
 name: GnuTests
 # Run GNU diffutils testsuite against the Rust diffutils implementation
 # and compare results against the main branch to catch regressions
 on:
  pull_request:
  push:
    branches:
      - '*'
 permissions:
  contents: write # Publish diffutils instead of discarding
 # End the current execution if there is a new changeset in the PR
 concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 env:
  DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
  TEST_FULL_SUMMARY_FILE: 'diffutils-gnu-full-result.json'
 jobs:
  native:
    name: Run GNU diffutils testsuite
    runs-on: ubuntu-24.04
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          persist-credentials: false
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
      - uses: Swatinem/rust-cache@v2
      ### Build
      - name: Build Rust diffutils binary
        shell: bash
        run: |
          ## Build Rust diffutils binary
          cargo build --config=profile.release.strip=true --profile=release
          zstd -19 target/release/diffutils -o diffutils-x86_64-unknown-linux-gnu.zst
      - name: Publish latest commit
        uses: softprops/action-gh-release@v3
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        with:
          tag_name: latest-commit
          body: |
            commit: ${{ github.sha }}
          draft: false
          prerelease: true
          files: |
            diffutils-x86_64-unknown-linux-gnu.zst
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      ### Run tests
      - name: Run GNU diffutils testsuite
        shell: bash
        run: |
          ## Run GNU diffutils testsuite
          ./tests/run-upstream-testsuite.sh release || true
        env:
          TERM: xterm
      - name: Upload full json results
        uses: actions/upload-artifact@v4
        with:
          name: diffutils-gnu-full-result
          path: tests/test-results.json
          if-no-files-found: warn
  aggregate:
    needs: [native]
    permissions:
      actions: read
      contents: read
      pull-requests: read
    name: Aggregate GNU test results
    runs-on: ubuntu-24.04
    steps:
      - name: Initialize workflow variables
        id: vars
        shell: bash
        run: |
          ## VARs setup
          outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
          TEST_SUMMARY_FILE='diffutils-gnu-result.json'
          outputs TEST_SUMMARY_FILE
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          persist-credentials: false
      - name: Retrieve reference artifacts
        uses: dawidd6/action-download-artifact@v21
        continue-on-error: true
        with:
          workflow: GnuTests.yml
          branch: "${{ env.DEFAULT_BRANCH }}"
          workflow_conclusion: completed
          path: "reference"
          if_no_artifact_found: warn
      - name: Download full json results
        uses: actions/download-artifact@v4
        with:
          name: diffutils-gnu-full-result
          path: results
      - name: Extract/summarize testing info
        id: summary
        shell: bash
        run: |
          ## Extract/summarize testing info
          outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
          RESULT_FILE="results/test-results.json"
          if [[ ! -f "$RESULT_FILE" ]]; then
            echo "::error ::Missing test results at $RESULT_FILE"
            exit 1
          fi
          TOTAL=$(jq '[.tests[]] | length' "$RESULT_FILE")
          PASS=$(jq '[.tests[] | select(.result=="PASS")] | length' "$RESULT_FILE")
          FAIL=$(jq '[.tests[] | select(.result=="FAIL")] | length' "$RESULT_FILE")
          SKIP=$(jq '[.tests[] | select(.result=="SKIP")] | length' "$RESULT_FILE")
          ERROR=0
          output="GNU diffutils tests summary = TOTAL: $TOTAL / PASS: $PASS / FAIL: $FAIL / SKIP: $SKIP"
          echo "${output}"
          if [[ "$FAIL" -gt 0 ]]; then
            echo "::warning ::${output}"
          fi
          jq -n \
            --arg date "$(date --rfc-email)" \
            --arg sha "$GITHUB_SHA" \
            --arg total "$TOTAL" \
            --arg pass "$PASS" \
            --arg skip "$SKIP" \
            --arg fail "$FAIL" \
            --arg error "$ERROR" \
            '{($date): { sha: $sha, total: $total, pass: $pass, skip: $skip, fail: $fail, error: $error }}' > '${{ steps.vars.outputs.TEST_SUMMARY_FILE }}'
          HASH=$(sha1sum '${{ steps.vars.outputs.TEST_SUMMARY_FILE }}' | cut --delim=" " -f 1)
          outputs HASH TOTAL PASS FAIL SKIP
      - name: Upload SHA1/ID of 'test-summary'
        uses: actions/upload-artifact@v4
        with:
          name: "${{ steps.summary.outputs.HASH }}"
          path: "${{ steps.vars.outputs.TEST_SUMMARY_FILE }}"
      - name: Upload test results summary
        uses: actions/upload-artifact@v4
        with:
          name: test-summary
          path: "${{ steps.vars.outputs.TEST_SUMMARY_FILE }}"
      - name: Compare test failures VS reference
        shell: bash
        run: |
          ## Compare test failures VS reference
          REF_SUMMARY_FILE='reference/diffutils-gnu-full-result/test-results.json'
          CURRENT_SUMMARY_FILE="results/test-results.json"
          IGNORE_INTERMITTENT=".github/workflows/ignore-intermittent.txt"
          COMMENT_DIR="reference/comment"
          mkdir -p ${COMMENT_DIR}
          echo ${{ github.event.number }} > ${COMMENT_DIR}/NR
          COMMENT_LOG="${COMMENT_DIR}/result.txt"
          COMPARISON_RESULT=0
          if test -f "${CURRENT_SUMMARY_FILE}"; then
            if test -f "${REF_SUMMARY_FILE}"; then
              echo "Reference summary SHA1/ID: $(sha1sum -- "${REF_SUMMARY_FILE}")"
              echo "Current summary SHA1/ID: $(sha1sum -- "${CURRENT_SUMMARY_FILE}")"
              python3 util/compare_test_results.py \
                --ignore-file "${IGNORE_INTERMITTENT}" \
                --output "${COMMENT_LOG}" \
                "${CURRENT_SUMMARY_FILE}" "${REF_SUMMARY_FILE}"
              COMPARISON_RESULT=$?
            else
              echo "::warning ::Skipping test comparison; no prior reference summary is available at '${REF_SUMMARY_FILE}'."
            fi
          else
            echo "::error ::Failed to find summary of test results (missing '${CURRENT_SUMMARY_FILE}'); failing early"
            exit 1
          fi
          if [ ${COMPARISON_RESULT} -eq 1 ]; then
            echo "::error ::Found new non-intermittent test failures"
            exit 1
          else
            echo "::notice ::No new test failures detected"
          fi
      - name: Upload comparison log (for GnuComment workflow)
        if: success() || failure()
        uses: actions/upload-artifact@v4
        with:
          name: comment
          path: reference/comment/
      - name: Report test results
        if: success() || failure()
        shell: bash
        run: |
          ## Report final results
          echo "::notice ::GNU diffutils testsuite results:"
          echo "::notice ::  Total tests: ${{ steps.summary.outputs.TOTAL }}"
          echo "::notice ::  Passed: ${{ steps.summary.outputs.PASS }}"
          echo "::notice ::  Failed: ${{ steps.summary.outputs.FAIL }}"
          echo "::notice ::  Skipped: ${{ steps.summary.outputs.SKIP }}"
          if [[ "${{ steps.summary.outputs.FAIL }}" -gt 0 ]]; then
            PASS_RATE=$(( ${{ steps.summary.outputs.PASS }} * 100 / (${{ steps.summary.outputs.PASS }} + ${{ steps.summary.outputs.FAIL }}) ))
            echo "::notice ::  Pass rate: ${PASS_RATE}%"
          fi
@@ -0,0 +1,15 @@
 name: Security audit
 on:
  schedule:
    - cron: "0 0 * * *"
 jobs:
  audit:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          persist-credentials: false
      - uses: rustsec/audit-check@v2
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
@@ -31,7 +31,6 @@ jobs:
        if: runner.os == 'macOS'
        run: |
          brew install gpatch
          echo "/opt/homebrew/opt/gpatch/libexec/gnubin" >> "$GITHUB_PATH"
      - name: set up PATH on Windows
        # Needed to use GNU's patch.exe instead of Strawberry Perl patch
        if: runner.os == 'Windows'
@@ -56,39 +55,10 @@ jobs:
      - uses: actions/checkout@v4
      - run: cargo clippy -- -D warnings
  gnu-testsuite:
    permissions:
      contents: write # Publish diffutils instead of discarding
    name: GNU test suite
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: |
          cargo build --config=profile.release.strip=true --profile=release #-fast
          zstd -19 target/release/diffutils -o diffutils-x86_64-unknown-linux-gnu.zst
      # do not fail, the report is merely informative (at least until all tests pass reliably)
      - run: ./tests/run-upstream-testsuite.sh release || true
        env:
          TERM: xterm
      - uses: actions/upload-artifact@v4
        with:
          name: test-results.json
          path: tests/test-results.json
      - run: ./tests/print-test-results.sh tests/test-results.json
      - name: Publish latest commit
        uses: softprops/action-gh-release@v2
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        with:
          tag_name: latest-commit
          draft: false
          prerelease: true
          files: |
            diffutils-x86_64-unknown-linux-gnu.zst
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  coverage:
    name: Code Coverage
    env:
      RUSTC_BOOTSTRAP: 1
    runs-on: ${{ matrix.job.os }}
    strategy:
      fail-fast: false
@@ -100,9 +70,6 @@ jobs:
    steps:
    - uses: actions/checkout@v4
    - name: Initialize workflow variables
      env:
        # Use -Z
        RUSTC_BOOTSTRAP: 1
      id: vars
      shell: bash
      run: |
@@ -117,7 +84,6 @@ jobs:
      if: runner.os == 'macOS'
      run: |
        brew install gpatch
        echo "/opt/homebrew/opt/gpatch/libexec/gnubin" >> "$GITHUB_PATH"
    - name: set up PATH on Windows
      # Needed to use GNU's patch.exe instead of Strawberry Perl patch
      if: runner.os == 'Windows'
@@ -125,17 +91,11 @@ jobs:
    - name: Test
      run: cargo test --all-features --no-fail-fast
      env:
        CARGO_INCREMENTAL: "0"
        RUSTC_WRAPPER: ""
        RUSTFLAGS: "-Cinstrument-coverage -Zcoverage-options=branch -Ccodegen-units=1 -Copt-level=0 -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort"
        RUSTDOCFLAGS: "-Cpanic=abort"
        LLVM_PROFILE_FILE: "diffutils-%p-%m.profraw"
        # Use -Z
        RUSTC_BOOTSTRAP: 1
    - name: "`grcov` ~ install"
      env:
        # Use -Z
        RUSTC_BOOTSTRAP: 1
      id: build_grcov
      shell: bash
      run: |
@@ -167,7 +127,7 @@ jobs:
        grcov . --output-type lcov --output-path "${COVERAGE_REPORT_FILE}" --binary-path "${COVERAGE_REPORT_DIR}" --branch
        echo "report=${COVERAGE_REPORT_FILE}" >> $GITHUB_OUTPUT
    - name: Upload coverage results (to Codecov.io)
-      uses: codecov/codecov-action@v5
+      uses: codecov/codecov-action@v7
      with:
        token: ${{ secrets.CODECOV_TOKEN }}
        files: ${{ steps.coverage.outputs.report }}
@@ -175,4 +135,3 @@ jobs:
        flags: ${{ steps.vars.outputs.CODECOV_FLAGS }}
        name: codecov-umbrella
        fail_ci_if_error: false
@@ -21,7 +21,7 @@ jobs:
      - uses: actions/checkout@v4
      - name: Setup rust toolchain, cache and cargo-codspeed binary
-        uses: moonrepo/setup-rust@v0
+        uses: moonrepo/setup-rust@v1
        with:
          channel: stable
          cache-target: release
@@ -2,6 +2,10 @@ name: Fuzzing
 # spell-checker:ignore fuzzer
 env:
  CARGO_INCREMENTAL: 0
  RUSTC_BOOTSTRAP: 1
 on:
  pull_request:
  push:
@@ -23,8 +27,6 @@ jobs:
      - uses: actions/checkout@v4
      - name: Install `cargo-fuzz`
        run: |
          echo "RUSTC_BOOTSTRAP=1" >> "${GITHUB_ENV}"
          echo "CARGO_INCREMENTAL=0" >> "${GITHUB_ENV}"
          cargo install cargo-fuzz --locked
      - uses: Swatinem/rust-cache@v2
        with:
@@ -53,26 +55,24 @@ jobs:
      - uses: actions/checkout@v4
      - name: Install `cargo-fuzz`
        run: |
          echo "RUSTC_BOOTSTRAP=1" >> "${GITHUB_ENV}"
          echo "CARGO_INCREMENTAL=0" >> "${GITHUB_ENV}"
          cargo install cargo-fuzz --locked
      - uses: Swatinem/rust-cache@v2
        with:
          shared-key: "cargo-fuzz-cache-key"
          cache-directories: "fuzz/target"
      - name: Restore Cached Corpus
-        uses: actions/cache/restore@v5
+        uses: actions/cache/restore@v6
        with:
          key: corpus-cache-${{ matrix.test-target.name }}
          path: |
            fuzz/corpus/${{ matrix.test-target.name }}
      - name: Run ${{ matrix.test-target.name }} for XX seconds
        shell: bash
-        continue-on-error: ${{ !matrix.test-target.name.should_pass }}
+        continue-on-error: ${{ !matrix.test-target.should_pass }}
        run: |
          cargo fuzz run ${{ matrix.test-target.name }} -- -max_total_time=${{ env.RUN_FOR }} -detect_leaks=0
      - name: Save Corpus Cache
-        uses: actions/cache/save@v5
+        uses: actions/cache/save@v6
        with:
          key: corpus-cache-${{ matrix.test-target.name }}
          path: |
@@ -0,0 +1,28 @@
 # spell-checker:ignore wasip
 name: WASI
 on:
  pull_request:
  push:
    branches:
      - main
 permissions:
  contents: read
 # End the current execution if there is a new changeset in the PR.
 concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 jobs:
  test_wasi:
    name: Tests
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v6
    - uses: dtolnay/rust-toolchain@stable
      with:
        targets: wasm32-wasip1
    - name: check
      run: cargo check --target wasm32-wasip1
@@ -0,0 +1,48 @@
 # See https://pre-commit.com for more information
 # See https://pre-commit.com/hooks.html for more hooks
 exclude: ^tests/fixtures/
 repos:
  - repo: https://github.com/pre-commit/pre-commit-hooks
    rev: v6.0.0
    hooks:
      - id: check-added-large-files
      - id: check-executables-have-shebangs
      - id: check-json
        exclude: '\.vscode/(cSpell|extensions)\.json' # cSpell.json and extensions.json use comments
      - id: check-shebang-scripts-are-executable
        exclude: '.+\.rs' # would be triggered by #![some_attribute]
      - id: check-symlinks
      - id: check-toml
      - id: check-yaml
        args: [ --allow-multiple-documents ]
      - id: destroyed-symlinks
      - id: end-of-file-fixer
      - id: mixed-line-ending
        args: [ --fix=lf ]
      - id: trailing-whitespace
  - repo: local
    hooks:
      - id: rust-linting
        name: Rust linting
        description: Run cargo fmt on files included in the commit.
        entry: cargo +stable fmt --
        pass_filenames: true
        types: [file, rust]
        language: system
      - id: rust-clippy
        name: Rust clippy
        description: Run cargo clippy on files included in the commit.
        entry: cargo +stable clippy --workspace --all-targets --all-features -- -D warnings
        pass_filenames: false
        types: [file, rust]
        language: system
      - id: cspell
        name: Code spell checker (cspell)
        description: Run cspell to check for spelling errors (if available).
        entry: bash -c 'if command -v cspell >/dev/null 2>&1; then cspell --no-must-find-files -- "$@"; else echo "cspell not found, skipping spell check"; exit 0; fi' --
        pass_filenames: true
        language: system
 ci:
  skip: [rust-linting, rust-clippy, cspell]
@@ -0,0 +1,32 @@
 # Contributing to diffutils
 Hi! Welcome to uutils/diffutils, and thanks for wanting to contribute!
 This project follows the shared conventions of the [uutils](https://github.com/uutils)
 organization. Before opening a pull request, please read:
 - Our **[Review Guidelines](https://uutils.github.io/reviews/)** — what we expect
  from a pull request and how reviews are carried out.
 - Our community's [CODE_OF_CONDUCT.md](./CODE_OF_CONDUCT.md), if present.
 Finally, feel free to join our [Discord](https://discord.gg/wQVJbvJ)!
 > [!WARNING]
 > uutils is original code and cannot contain any code from GNU or other
 > strongly-licensed (GPL/LGPL) implementations. We **cannot** accept changes
 > based on the GNU source code, and you **must not link** to it either. You may
 > look at permissively-licensed implementations (MIT/BSD) and read the GNU
 > *manuals* — never the GNU *source*.
 ## In short
 - Discuss non-trivial changes in an issue **before** writing the code.
 - Keep pull requests **small, self-contained, and descriptively titled**
  (e.g. `diffutils: fix ...`).
 - Make sure CI passes: tests are green, `rustfmt` is satisfied, and there are
  no `clippy` warnings.
 - Add tests for new behavior; don't let coverage regress.
 - Write small, atomic commits annotated with the component you touched.
 See the [Review Guidelines](https://uutils.github.io/reviews/) for the full
 details.
@@ -0,0 +1,8 @@
 Copyright (c) Michael Howell
 Copyright (c) uutils developers
 Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
 option. All files in the project carrying such notice may not be
 copied, modified, or distributed except according to those terms.
@@ -4,9 +4,9 @@ version = 4
 [[package]]
 name = "aho-corasick"
-version = "1.1.2"
+version = "1.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
 dependencies = [
 "memchr",
 ]
@@ -22,9 +22,9 @@ dependencies = [
 [[package]]
 name = "anstyle"
-version = "1.0.6"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8901269c6307e8d93993578286ac0edf7f195079ffff5ebdeea6a59ffb7e36bc"
+checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"
 [[package]]
 name = "anyhow"
@@ -43,9 +43,9 @@ dependencies = [
 [[package]]
 name = "assert_cmd"
-version = "2.1.2"
+version = "2.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c5bcfa8749ac45dd12cb11055aeeb6b27a3895560d60d71e3c23bf979e60514"
+checksum = "2aa3a22042e45de04255c7bf3626e239f450200fd0493c1e382263544b20aea6"
 dependencies = [
 "anstyle",
 "bstr",
@@ -58,21 +58,21 @@ dependencies = [
 [[package]]
 name = "autocfg"
-version = "1.1.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 [[package]]
 name = "bitflags"
-version = "2.4.2"
+version = "2.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed570934406eb16438a4e976b1b4500774099c13b8cb96eec99f620f05090ddf"
+checksum = "843867be96c8daad0d758b57df9392b6d8d271134fce549de6ce169ff98a92af"
 [[package]]
 name = "bstr"
-version = "1.9.0"
+version = "1.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c48f0051a4b4c5e0b6d365cd04af53aeaa209e3cc15ec2cdb69e73cc87fbd0dc"
+checksum = "63044e1ae8e69f3b5a92c736ca6269b8d12fa7efe39bf34ddb06d102cf0e2cab"
 dependencies = [
 "memchr",
 "regex-automata",
@@ -81,21 +81,25 @@ dependencies = [
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+ "getrandom",
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 "libc",
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+ "windows-sys",
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+ "windows-sys",
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+ "getrandom",
 "rand_core",
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+ "rustix",
- "windows-sys 0.48.0",
+ "windows-sys",
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 dependencies = [
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@@ -812,18 +799,18 @@ dependencies = [
 [[package]]
 name = "toml_parser"
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+version = "1.1.2+spec-1.1.0"
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 [[package]]
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 [[package]]
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@@ -839,19 +826,13 @@ checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 [[package]]
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 version = "1.0.2+wasi-0.2.9"
@@ -872,34 +853,22 @@ dependencies = [
 [[package]]
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 dependencies = [
 "bumpalo",
 "log",
 "once_cell",
- "proc-macro2",
+ "rustversion",
- "quote",
+ "wasm-bindgen-macro",
 "syn",
 "wasm-bindgen-shared",
 ]
 [[package]]
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 dependencies = [
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 "wasm-bindgen-macro-support",
@@ -907,22 +876,25 @@ dependencies = [
 [[package]]
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+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
 "bumpalo",
 "proc-macro2",
 "quote",
 "syn",
 "wasm-bindgen-backend",
 "wasm-bindgen-shared",
 ]
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.92"
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+checksum = "39129a682a6d2d841b6c429d0c51e5cb0ed1a03829d8b3d1e69a011e62cb3d3b"
 dependencies = [
 "unicode-ident",
 ]
 [[package]]
 name = "wasm-encoder"
@@ -958,196 +930,88 @@ dependencies = [
 "semver",
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 [[package]]
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+checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
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+ "windows-sys",
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 dependencies = [
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+ "windows-implement",
 "windows-interface",
 "windows-link",
 "windows-result",
 "windows-strings",
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 [[package]]
 name = "winnow"
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+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a5364e9d77fcdeeaa6062ced926ee3381faa2ee02d3eb83a5c27a8825540829"
+checksum = "09dac053f1cd375980747450bfc7250c264eaae0583872e845c0c7cd578872b5"
 dependencies = [
 "memchr",
 ]
@@ -24,7 +24,7 @@ unicode-width = "0.2.0"
 [dev-dependencies]
 assert_cmd = "2.0.14"
-divan = { version = "4.3.0", package = "codspeed-divan-compat" }
+divan = { version = "5.0.0", package = "codspeed-divan-compat" }
 pretty_assertions = "1.4.0"
 predicates = "3.1.0"
 rand = "0.10.0"
@@ -33,15 +33,11 @@ tempfile = "3.26.0"
 [profile.release]
 lto = "thin"
 codegen-units = 1
 [profile.release-fast]
 inherits = "release"
 panic = "abort"
-# The profile that 'dist' will build with
+# alias profile for 'dist'
 [profile.dist]
 inherits = "release"
 lto = "thin"
 [[bench]]
 name = "bench_diffutils"
@@ -1,6 +1,3 @@
 Copyright (c) Michael Howell
 Copyright (c) uutils developers
                              Apache License
                        Version 2.0, January 2004
                     http://www.apache.org/licenses/
@@ -1,6 +1,3 @@
 Copyright (c) Michael Howell
 Copyright (c) uutils developers
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
 documentation files (the "Software"), to deal in the
@@ -54,4 +54,8 @@ $ cargo run -- -u fruits_old.txt fruits_new.txt
 ## License
-diffutils is licensed under the MIT and Apache Licenses - see the `LICENSE-MIT` or `LICENSE-APACHE` files for details
+This project is distributed under the terms of both the MIT license and the
 Apache License (Version 2.0).
 See [LICENSE-APACHE](LICENSE-APACHE), [LICENSE-MIT](LICENSE-MIT), and
 [COPYRIGHT](COPYRIGHT) for details.
@@ -0,0 +1,44 @@
 # Security Policy
 ## Supported Versions
 We provide security updates only for the latest released version of `uutils/diffutils`.
 Older versions may not receive patches.
 If you are using a version packaged by your Linux distribution, please check with your distribution maintainers for their update policy.
 ---
 ## Reporting a Vulnerability
 **Do not open public GitHub issues for security vulnerabilities.**
 This prevents accidental disclosure before a fix is available.
 Instead, please use the following method:
 - **Email:** [sylvestre@debian.org](mailto:Sylvestre@debian.org)
 - **Encryption (optional):** You may encrypt your report using our PGP key:
 Fingerprint: B60D B599 4D39 BEC4 D1A9 5CCF 7E65 28DA 752F 1BE1
 ---
 ### What to Include in Your Report
 To help us investigate and resolve the issue quickly, please include as much detail as possible:
 - **Type of issue:** e.g. privilege escalation, information disclosure.
 - **Location in the source:** file path, commit hash, branch, or tag.
 - **Steps to reproduce:** exact commands, test cases, or scripts.
 - **Special configuration:** any flags, environment variables, or system setup required.
 - **Affected systems:** OS/distribution and version(s) where the issue occurs.
 - **Impact:** your assessment of the potential severity (DoS, RCE, data leak, etc.).
 ---
 ## Disclosure Policy
 We follow a **Coordinated Vulnerability Disclosure (CVD)** process:
 1. We will acknowledge receipt of your report within **10 days**.
 2. We will investigate, reproduce, and assess the issue.
 3. We will provide a timeline for developing and releasing a fix.
 4. Once a fix is available, we will publish a GitHub Security Advisory.
 5. You will be credited in the advisory unless you request anonymity.
@@ -34,15 +34,15 @@ checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 [[package]]
 name = "bumpalo"
-version = "3.19.1"
+version = "3.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
+checksum = "5d20789868f4b01b2f2caec9f5c4e0213b41e3e5702a50157d699ae31ced2fcb"
 [[package]]
 name = "cc"
-version = "1.2.51"
+version = "1.2.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a0aeaff4ff1a90589618835a598e545176939b97874f7abc7851caa0618f203"
+checksum = "43c5703da9466b66a946814e1adf53ea2c90f10063b86290cc9eb67ce3478a20"
 dependencies = [
 "find-msvc-tools",
 "jobserver",
@@ -58,9 +58,9 @@ checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 [[package]]
 name = "chrono"
-version = "0.4.42"
+version = "0.4.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "145052bdd345b87320e369255277e3fb5152762ad123a901ef5c262dd38fe8d2"
+checksum = "c673075a2e0e5f4a1dde27ce9dee1ea4558c7ffe648f576438a20ca1d2acc4b0"
 dependencies = [
 "iana-time-zone",
 "js-sys",
@@ -69,26 +69,6 @@ dependencies = [
 "windows-link",
 ]
 [[package]]
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 version = "0.2.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7faa7469a93a566e9ccc1c73fe783b4a65c274c5ace346038dca9c39fe0030ad"
 dependencies = [
 "const_format_proc_macros",
 ]
 [[package]]
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 checksum = "1d57c2eccfb16dbac1f4e61e206105db5820c9d26c3c472bc17c774259ef7744"
 dependencies = [
 "proc-macro2",
 "quote",
 "unicode-xid",
 ]
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -106,7 +86,6 @@ name = "diffutils"
 version = "0.5.0"
 dependencies = [
 "chrono",
 "const_format",
 "diff",
 "itoa",
 "regex",
@@ -116,9 +95,9 @@ dependencies = [
 [[package]]
 name = "find-msvc-tools"
-version = "0.1.6"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "645cbb3a84e60b7531617d5ae4e57f7e27308f6445f5abf653209ea76dec8dff"
+checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582"
 [[package]]
 name = "getrandom"
@@ -134,9 +113,9 @@ dependencies = [
 [[package]]
 name = "iana-time-zone"
-version = "0.1.64"
+version = "0.1.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33e57f83510bb73707521ebaffa789ec8caf86f9657cad665b092b581d40e9fb"
+checksum = "e31bc9ad994ba00e440a8aa5c9ef0ec67d5cb5e5cb0cc7f8b744a35b389cc470"
 dependencies = [
 "android_system_properties",
 "core-foundation-sys",
@@ -158,9 +137,9 @@ dependencies = [
 [[package]]
 name = "itoa"
-version = "1.0.17"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
+checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
 [[package]]
 name = "jobserver"
@@ -174,9 +153,9 @@ dependencies = [
 [[package]]
 name = "js-sys"
-version = "0.3.83"
+version = "0.3.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "464a3709c7f55f1f721e5389aa6ea4e3bc6aba669353300af094b29ffbdde1d8"
+checksum = "2e04e2ef80ce82e13552136fabeef8a5ed1f985a96805761cbb9a2c34e7664d9"
 dependencies = [
 "once_cell",
 "wasm-bindgen",
@@ -184,15 +163,15 @@ dependencies = [
 [[package]]
 name = "libc"
-version = "0.2.178"
+version = "0.2.184"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37c93d8daa9d8a012fd8ab92f088405fb202ea0b6ab73ee2482ae66af4f42091"
+checksum = "48f5d2a454e16a5ea0f4ced81bd44e4cfc7bd3a507b61887c99fd3538b28e4af"
 [[package]]
 name = "libfuzzer-sys"
-version = "0.4.12"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f12a681b7dd8ce12bff52488013ba614b869148d54dd79836ab85aafdd53f08d"
+checksum = "a9fd2f41a1cba099f79a0b6b6c35656cf7c03351a7bae8ff0f28f25270f929d2"
 dependencies = [
 "arbitrary",
 "cc",
@@ -206,9 +185,9 @@ checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 [[package]]
 name = "memchr"
-version = "2.7.6"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
+checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 [[package]]
 name = "num-traits"
@@ -221,24 +200,24 @@ dependencies = [
 [[package]]
 name = "once_cell"
-version = "1.21.3"
+version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 [[package]]
 name = "proc-macro2"
-version = "1.0.104"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9695f8df41bb4f3d222c95a67532365f569318332d03d5f3f67f37b20e6ebdf0"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 dependencies = [
 "unicode-ident",
 ]
 [[package]]
 name = "quote"
-version = "1.0.42"
+version = "1.0.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a338cc41d27e6cc6dce6cefc13a0729dfbb81c262b1f519331575dd80ef3067f"
+checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
 dependencies = [
 "proc-macro2",
 ]
@@ -251,9 +230,9 @@ checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 [[package]]
 name = "regex"
-version = "1.12.2"
+version = "1.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "843bc0191f75f3e22651ae5f1e72939ab2f72a4bc30fa80a066bd66edefc24d4"
+checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
 dependencies = [
 "aho-corasick",
 "memchr",
@@ -263,9 +242,9 @@ dependencies = [
 [[package]]
 name = "regex-automata"
-version = "0.4.13"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5276caf25ac86c8d810222b3dbb938e512c55c6831a10f3e6ed1c93b84041f1c"
+checksum = "6e1dd4122fc1595e8162618945476892eefca7b88c52820e74af6262213cae8f"
 dependencies = [
 "aho-corasick",
 "memchr",
@@ -274,9 +253,9 @@ dependencies = [
 [[package]]
 name = "regex-syntax"
-version = "0.8.8"
+version = "0.8.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
+checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 [[package]]
 name = "rustversion"
@@ -301,9 +280,9 @@ checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 [[package]]
 name = "syn"
-version = "2.0.112"
+version = "2.0.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21f182278bf2d2bcb3c88b1b08a37df029d71ce3d3ae26168e3c653b213b99d4"
+checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -312,9 +291,9 @@ dependencies = [
 [[package]]
 name = "unicode-ident"
-version = "1.0.22"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
+checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
 [[package]]
 name = "unicode-width"
@@ -322,12 +301,6 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4ac048d71ede7ee76d585517add45da530660ef4390e49b098733c6e897f254"
 [[package]]
 name = "unicode-xid"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 [[package]]
 name = "unified-diff-fuzz"
 version = "0.0.0"
@@ -338,18 +311,18 @@ dependencies = [
 [[package]]
 name = "wasip2"
-version = "1.0.1+wasi-0.2.4"
+version = "1.0.2+wasi-0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
+checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
 dependencies = [
 "wit-bindgen",
 ]
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.106"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d759f433fa64a2d763d1340820e46e111a7a5ab75f993d1852d70b03dbb80fd"
+checksum = "0551fc1bb415591e3372d0bc4780db7e587d84e2a7e79da121051c5c4b89d0b0"
 dependencies = [
 "cfg-if",
 "once_cell",
@@ -360,9 +333,9 @@ dependencies = [
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.106"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48cb0d2638f8baedbc542ed444afc0644a29166f1595371af4fecf8ce1e7eeb3"
+checksum = "7fbdf9a35adf44786aecd5ff89b4563a90325f9da0923236f6104e603c7e86be"
 dependencies = [
 "quote",
 "wasm-bindgen-macro-support",
@@ -370,9 +343,9 @@ dependencies = [
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.106"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cefb59d5cd5f92d9dcf80e4683949f15ca4b511f4ac0a6e14d4e1ac60c6ecd40"
+checksum = "dca9693ef2bab6d4e6707234500350d8dad079eb508dca05530c85dc3a529ff2"
 dependencies = [
 "bumpalo",
 "proc-macro2",
@@ -383,9 +356,9 @@ dependencies = [
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.106"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbc538057e648b67f72a982e708d485b2efa771e1ac05fec311f9f63e5800db4"
+checksum = "39129a682a6d2d841b6c429d0c51e5cb0ed1a03829d8b3d1e69a011e62cb3d3b"
 dependencies = [
 "unicode-ident",
 ]
@@ -469,6 +442,6 @@ dependencies = [
 [[package]]
 name = "wit-bindgen"
-version = "0.46.0"
+version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
@@ -51,4 +51,4 @@ doc = false
 name = "fuzz_side"
 path = "fuzz_targets/fuzz_side.rs"
 test = false
-doc = false
+doc = false
@@ -4,7 +4,7 @@ extern crate libfuzzer_sys;
 use diffutilslib::cmp::{self, Cmp};
 use std::ffi::OsString;
-use std::fs::File;
+use std::fs::{self, File};
 use std::io::Write;
 fn os(s: &str) -> OsString {
@@ -18,7 +18,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>)| {
        .peekable();
    let (from, to) = x;
-
+    fs::create_dir_all("target").unwrap();
    File::create("target/fuzz.cmp.a")
        .unwrap()
        .write_all(&from)
@@ -11,6 +11,9 @@ fn os(s: &str) -> OsString {
 }
 fuzz_target!(|x: Vec<OsString>| -> Corpus {
    if x.iter().any(|a| a == "--help") {
        return Corpus::Reject;
    }
    if x.len() > 6 {
        // Make sure we try to parse an option when we get longer args. x[0] will be
        // the executable name.
@@ -38,6 +38,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>)| {
    } else {
        return;
    }
    fs::create_dir_all("target").unwrap();
    let diff = diff_w(&from, &to, "target/fuzz.file").unwrap();
    File::create("target/fuzz.file.original")
        .unwrap()
@@ -23,6 +23,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>)| {
        return
    }*/
    let diff = normal_diff::diff(&from, &to, &Params::default());
    fs::create_dir_all("target").unwrap();
    File::create("target/fuzz.file.original")
        .unwrap()
        .write_all(&from)
@@ -21,15 +21,17 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>, u8)| {
    } else {
        return
    }*/
    fs::create_dir_all("target").unwrap();
    let patched = "target/fuzz.file";
    let diff = unified_diff::diff(
        &from,
        &to,
        &Params {
-            from: "a/fuzz.file".into(),
+            from: patched.into(),
-            to: "target/fuzz.file".into(),
+            to: patched.into(),
            context_count: context as usize,
            ..Default::default()
-        }
+        },
    );
    File::create("target/fuzz.file.original")
        .unwrap()
@@ -4,9 +4,9 @@ extern crate libfuzzer_sys;
 use diffutilslib::side_diff;
 use std::fs::File;
 use std::io::Write;
 use diffutilslib::params::Params;
 use std::fs::{self, File};
 use std::io::Write;
 fuzz_target!(|x: (Vec<u8>, Vec<u8>, /* usize, usize */ bool)| {
    let (original, new, /* width, tabsize, */ expand) = x;
@@ -21,6 +21,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>, /* usize, usize */ bool)| {
        expand_tabs: expand,
        ..Default::default()
    };
    fs::create_dir_all("target").unwrap();
    let mut output_buf = vec![];
    side_diff::diff(&original, &new, &mut output_buf, &params);
    File::create("target/fuzz.file.original")
@@ -39,4 +40,4 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>, /* usize, usize */ bool)| {
        .unwrap()
        .write_all(&output_buf)
        .unwrap();
-});
+});
@@ -11,24 +11,29 @@ use std::iter::Peekable;
 use std::process::ExitCode;
 use std::{cmp, fs, io};
-#[cfg(not(target_os = "windows"))]
+#[cfg(unix)]
 use std::os::fd::{AsRawFd, FromRawFd};
-#[cfg(not(target_os = "windows"))]
+#[cfg(unix)]
 use std::os::unix::fs::MetadataExt;
 #[cfg(target_os = "windows")]
 use std::os::windows::fs::MetadataExt;
 /// for --bytes, so really large number limits can be expressed, like 1Y.
 pub type BytesLimitU64 = u64;
 // ignore initial is currently limited to u64, as take(skip) is used.
 pub type SkipU64 = u64;
 #[derive(Clone, Debug, Default, Eq, PartialEq)]
 pub struct Params {
    executable: OsString,
    from: OsString,
    to: OsString,
    print_bytes: bool,
-    skip_a: Option<usize>,
+    skip_a: Option<SkipU64>,
-    skip_b: Option<usize>,
+    skip_b: Option<SkipU64>,
-    max_bytes: Option<usize>,
+    max_bytes: Option<BytesLimitU64>,
    verbose: bool,
    quiet: bool,
 }
@@ -38,7 +43,7 @@ fn usage_string(executable: &str) -> String {
    format!("Usage: {executable} <from> <to>")
 }
-#[cfg(not(target_os = "windows"))]
+#[cfg(unix)]
 fn is_stdout_dev_null() -> bool {
    let Ok(dev_null) = fs::metadata("/dev/null") else {
        return false;
@@ -60,19 +65,22 @@ fn is_stdout_dev_null() -> bool {
    is_dev_null
 }
 #[cfg(not(any(unix, target_os = "windows")))]
 fn is_stdout_dev_null() -> bool {
    false
 }
 pub fn parse_params<I: Iterator<Item = OsString>>(mut opts: Peekable<I>) -> Result<Params, String> {
-    let Some(executable) = opts.next() else {
+    let executable = opts.next().ok_or("Usage: <exe> <from> <to>".to_string())?;
        return Err("Usage: <exe> <from> <to>".to_string());
    };
    let executable_str = executable.to_string_lossy().to_string();
-    let parse_skip = |param: &str, skip_desc: &str| -> Result<usize, String> {
+    let parse_skip = |param: &str, skip_desc: &str| -> Result<SkipU64, String> {
        let suffix_start = param
            .find(|b: char| !b.is_ascii_digit())
            .unwrap_or(param.len());
-        let mut num = match param[..suffix_start].parse::<usize>() {
+        let mut num = match param[..suffix_start].parse::<SkipU64>() {
            Ok(num) => num,
-            Err(e) if *e.kind() == std::num::IntErrorKind::PosOverflow => usize::MAX,
+            Err(e) if *e.kind() == std::num::IntErrorKind::PosOverflow => SkipU64::MAX,
            Err(_) => {
                return Err(format!(
                    "{executable_str}: invalid --ignore-initial value '{skip_desc}'"
@@ -83,33 +91,24 @@ pub fn parse_params<I: Iterator<Item = OsString>>(mut opts: Peekable<I>) -> Resu
        if suffix_start != param.len() {
            // Note that GNU cmp advertises supporting up to Y, but fails if you try
            // to actually use anything beyond E.
-            let multiplier: usize = match &param[suffix_start..] {
+            let multiplier: SkipU64 = match &param[suffix_start..] {
                "kB" => 1_000,
                "K" => 1_024,
                "MB" => 1_000_000,
                "M" => 1_048_576,
                "GB" => 1_000_000_000,
                "G" => 1_073_741_824,
-                // This only generates a warning when compiling for target_pointer_width < 64
+                "TB" => 1_000_000_000_000,
-                #[allow(unused_variables)]
+                "T" => 1_099_511_627_776,
-                suffix @ ("TB" | "T" | "PB" | "P" | "EB" | "E") => {
+                "PB" => 1_000_000_000_000_000,
-                    #[cfg(target_pointer_width = "64")]
+                "P" => 1_125_899_906_842_624,
-                    match suffix {
+                "EB" => 1_000_000_000_000_000_000,
-                        "TB" => 1_000_000_000_000,
+                "E" => 1_152_921_504_606_846_976,
-                        "T" => 1_099_511_627_776,
+                // TODO setting usize:MAX does not mimic GNU cmp behavior, it should be an error.
-                        "PB" => 1_000_000_000_000_000,
+                "ZB" => SkipU64::MAX, // 1_000_000_000_000_000_000_000,
-                        "P" => 1_125_899_906_842_624,
+                "Z" => SkipU64::MAX,  // 1_180_591_620_717_411_303_424,
-                        "EB" => 1_000_000_000_000_000_000,
+                "YB" => SkipU64::MAX, // 1_000_000_000_000_000_000_000_000,
-                        "E" => 1_152_921_504_606_846_976,
+                "Y" => SkipU64::MAX,  // 1_208_925_819_614_629_174_706_176,
                        _ => unreachable!(),
                    }
                    #[cfg(not(target_pointer_width = "64"))]
                    usize::MAX
                }
                "ZB" => usize::MAX, // 1_000_000_000_000_000_000_000,
                "Z" => usize::MAX,  // 1_180_591_620_717_411_303_424,
                "YB" => usize::MAX, // 1_000_000_000_000_000_000_000_000,
                "Y" => usize::MAX,  // 1_208_925_819_614_629_174_706_176,
                _ => {
                    return Err(format!(
                        "{executable_str}: invalid --ignore-initial value '{skip_desc}'"
@@ -119,7 +118,7 @@ pub fn parse_params<I: Iterator<Item = OsString>>(mut opts: Peekable<I>) -> Resu
            num = match num.overflowing_mul(multiplier) {
                (n, false) => n,
-                _ => usize::MAX,
+                _ => SkipU64::MAX,
            }
        }
@@ -173,9 +172,10 @@ pub fn parse_params<I: Iterator<Item = OsString>>(mut opts: Peekable<I>) -> Resu
                let (_, arg) = param_str.split_once('=').unwrap();
                arg.to_string()
            };
-            let max_bytes = match max_bytes.parse::<usize>() {
+            let max_bytes = match max_bytes.parse::<BytesLimitU64>() {
                Ok(num) => num,
-                Err(e) if *e.kind() == std::num::IntErrorKind::PosOverflow => usize::MAX,
+                // TODO limit to MAX is dangerous, this should become an error like in GNU cmp.
                Err(e) if *e.kind() == std::num::IntErrorKind::PosOverflow => BytesLimitU64::MAX,
                Err(_) => {
                    return Err(format!(
                        "{executable_str}: invalid --bytes value '{max_bytes}'"
@@ -217,7 +217,7 @@ pub fn parse_params<I: Iterator<Item = OsString>>(mut opts: Peekable<I>) -> Resu
            std::process::exit(0);
        }
        if param_str.starts_with('-') {
-            return Err(format!("unrecognized option: {param:?}"));
+            return Err(format!("unrecognized option '{}'", param.to_string_lossy()));
        }
        if from.is_none() {
            from = Some(param);
@@ -233,7 +233,7 @@ pub fn parse_params<I: Iterator<Item = OsString>>(mut opts: Peekable<I>) -> Resu
    }
    // Do as GNU cmp, and completely disable printing if we are
-    // outputing to /dev/null.
+    // outputting to /dev/null.
    #[cfg(not(target_os = "windows"))]
    if is_stdout_dev_null() {
        params.quiet = true;
@@ -285,32 +285,21 @@ pub fn parse_params<I: Iterator<Item = OsString>>(mut opts: Peekable<I>) -> Resu
 fn prepare_reader(
    path: &OsString,
-    skip: &Option<usize>,
+    skip: &Option<SkipU64>,
    params: &Params,
 ) -> Result<Box<dyn BufRead>, String> {
    let mut reader: Box<dyn BufRead> = if path == "-" {
        Box::new(BufReader::new(io::stdin()))
    } else {
-        match fs::File::open(path) {
+        let file = fs::File::open(path)
-            Ok(file) => Box::new(BufReader::new(file)),
+            .map_err(|e| format_failure_to_read_input_file(&params.executable, path, &e))?;
-            Err(e) => {
+        Box::new(BufReader::new(file))
                return Err(format_failure_to_read_input_file(
                    &params.executable,
                    path,
                    &e,
                ));
            }
        }
    };
    if let Some(skip) = skip {
-        if let Err(e) = io::copy(&mut reader.by_ref().take(*skip as u64), &mut io::sink()) {
+        // cast as u64 must remain, because value of IgnInit data type could be changed.
-            return Err(format_failure_to_read_input_file(
+        io::copy(&mut reader.by_ref().take(*skip), &mut io::sink())
-                &params.executable,
+            .map_err(|e| format_failure_to_read_input_file(&params.executable, path, &e))?;
                path,
                &e,
            ));
        }
    }
    Ok(reader)
@@ -326,11 +315,11 @@ pub fn cmp(params: &Params) -> Result<Cmp, String> {
    let mut from = prepare_reader(&params.from, &params.skip_a, params)?;
    let mut to = prepare_reader(&params.to, &params.skip_b, params)?;
-    let mut offset_width = params.max_bytes.unwrap_or(usize::MAX);
+    let mut offset_width = params.max_bytes.unwrap_or(BytesLimitU64::MAX);
    if let (Ok(a_meta), Ok(b_meta)) = (fs::metadata(&params.from), fs::metadata(&params.to)) {
        #[cfg(not(target_os = "windows"))]
-        let (a_size, b_size) = (a_meta.size(), b_meta.size());
+        let (a_size, b_size) = (a_meta.len(), b_meta.len());
        #[cfg(target_os = "windows")]
        let (a_size, b_size) = (a_meta.file_size(), b_meta.file_size());
@@ -341,7 +330,7 @@ pub fn cmp(params: &Params) -> Result<Cmp, String> {
            return Ok(Cmp::Different);
        }
-        let smaller = cmp::min(a_size, b_size) as usize;
+        let smaller = cmp::min(a_size, b_size) as BytesLimitU64;
        offset_width = cmp::min(smaller, offset_width);
    }
@@ -350,34 +339,20 @@ pub fn cmp(params: &Params) -> Result<Cmp, String> {
    // Capacity calc: at_byte width + 2 x 3-byte octal numbers + 2 x 4-byte value + 4 spaces
    let mut output = Vec::<u8>::with_capacity(offset_width + 3 * 2 + 4 * 2 + 4);
-    let mut at_byte = 1;
+    let mut at_byte: BytesLimitU64 = 1;
-    let mut at_line = 1;
+    let mut at_line: u64 = 1;
    let mut start_of_line = true;
    let mut stdout = BufWriter::new(io::stdout().lock());
    let mut compare = Cmp::Equal;
    loop {
        // Fill up our buffers.
-        let from_buf = match from.fill_buf() {
+        let from_buf = from
-            Ok(buf) => buf,
+            .fill_buf()
-            Err(e) => {
+            .map_err(|e| format_failure_to_read_input_file(&params.executable, &params.from, &e))?;
                return Err(format_failure_to_read_input_file(
                    &params.executable,
                    &params.from,
                    &e,
                ));
            }
        };
-        let to_buf = match to.fill_buf() {
+        let to_buf = to
-            Ok(buf) => buf,
+            .fill_buf()
-            Err(e) => {
+            .map_err(|e| format_failure_to_read_input_file(&params.executable, &params.to, &e))?;
                return Err(format_failure_to_read_input_file(
                    &params.executable,
                    &params.to,
                    &e,
                ));
            }
        };
        // Check for EOF conditions.
        if from_buf.is_empty() && to_buf.is_empty() {
@@ -401,8 +376,8 @@ pub fn cmp(params: &Params) -> Result<Cmp, String> {
        if from_buf[..consumed] == to_buf[..consumed] {
            let last = from_buf[..consumed].last().unwrap();
-            at_byte += consumed;
+            at_byte += consumed as BytesLimitU64;
-            at_line += from_buf[..consumed].iter().filter(|&c| *c == b'\n').count();
+            at_line += (from_buf[..consumed].iter().filter(|&c| *c == b'\n').count()) as u64;
            start_of_line = *last == b'\n';
@@ -590,7 +565,7 @@ fn format_visible_byte(byte: u8) -> String {
 fn format_verbose_difference(
    from_byte: u8,
    to_byte: u8,
-    at_byte: usize,
+    at_byte: BytesLimitU64,
    offset_width: usize,
    output: &mut Vec<u8>,
    params: &Params,
@@ -655,7 +630,13 @@ fn format_verbose_difference(
 }
 #[inline]
-fn report_eof(at_byte: usize, at_line: usize, start_of_line: bool, eof_on: &str, params: &Params) {
+fn report_eof(
    at_byte: BytesLimitU64,
    at_line: u64,
    start_of_line: bool,
    eof_on: &str,
    params: &Params,
 ) {
    if params.quiet {
        return;
    }
@@ -707,7 +688,13 @@ fn is_posix_locale() -> bool {
 }
 #[inline]
-fn report_difference(from_byte: u8, to_byte: u8, at_byte: usize, at_line: usize, params: &Params) {
+fn report_difference(
    from_byte: u8,
    to_byte: u8,
    at_byte: BytesLimitU64,
    at_line: u64,
    params: &Params,
 ) {
    if params.quiet {
        return;
    }
@@ -804,7 +791,7 @@ mod tests {
                from: os("foo"),
                to: os("bar"),
                skip_a: Some(1),
-                skip_b: Some(usize::MAX),
+                skip_b: Some(SkipU64::MAX),
                ..Default::default()
            }),
            parse_params(
@@ -982,7 +969,7 @@ mod tests {
                executable: os("cmp"),
                from: os("foo"),
                to: os("bar"),
-                max_bytes: Some(usize::MAX),
+                max_bytes: Some(BytesLimitU64::MAX),
                ..Default::default()
            }),
            parse_params(
@@ -999,6 +986,7 @@ mod tests {
        );
        // Failure case
        // TODO This is actually fine in GNU cmp. --bytes does not have a unit parser yet.
        assert_eq!(
            Err("cmp: invalid --bytes value '1K'".to_string()),
            parse_params(
@@ -1044,8 +1032,8 @@ mod tests {
                executable: os("cmp"),
                from: os("foo"),
                to: os("bar"),
-                skip_a: Some(usize::MAX),
+                skip_a: Some(SkipU64::MAX),
-                skip_b: Some(usize::MAX),
+                skip_b: Some(SkipU64::MAX),
                ..Default::default()
            }),
            parse_params(
@@ -1119,8 +1107,12 @@ mod tests {
        .enumerate()
        {
            let values = [
-                1_000usize.checked_pow((i + 1) as u32).unwrap_or(usize::MAX),
+                (1_000 as SkipU64)
-                1024usize.checked_pow((i + 1) as u32).unwrap_or(usize::MAX),
+                    .checked_pow((i + 1) as u32)
                    .unwrap_or(SkipU64::MAX),
                (1024 as SkipU64)
                    .checked_pow((i + 1) as u32)
                    .unwrap_or(SkipU64::MAX),
            ];
            for (j, v) in values.iter().enumerate() {
                assert_eq!(
@@ -381,6 +381,9 @@ pub fn diff(expected: &[u8], actual: &[u8], params: &Params) -> Vec<u8> {
 mod tests {
    use super::*;
    use pretty_assertions::assert_eq;
    use crate::utils::testcmds::PATCH_CMD;
    #[test]
    fn test_permutations() {
        // test all possible six-line files.
@@ -394,7 +397,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"a\n" } else { b"b\n" })
@@ -429,12 +431,13 @@ mod tests {
                                }
                                // This test diff is intentionally reversed.
                                // We want it to turn the alef into bet.
                                let patched = &format!("{target}/alef");
                                let diff = diff(
                                    &alef,
                                    &bet,
                                    &Params {
-                                        from: "a/alef".into(),
+                                        from: patched.into(),
-                                        to: (&format!("{target}/alef")).into(),
+                                        to: patched.into(),
                                        context_count: 2,
                                        ..Default::default()
                                    },
@@ -449,7 +452,8 @@ mod tests {
                                fb.write_all(&bet[..]).unwrap();
                                let _ = fa;
                                let _ = fb;
-                                let output = Command::new("patch")
+                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .arg("--context")
                                    .stdin(File::open(format!("{target}/ab.diff")).unwrap())
@@ -481,7 +485,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"\n" } else { b"b\n" }).unwrap();
@@ -510,12 +513,13 @@ mod tests {
                                }
                                // This test diff is intentionally reversed.
                                // We want it to turn the alef into bet.
                                let patched = &format!("{target}/alef_");
                                let diff = diff(
                                    &alef,
                                    &bet,
                                    &Params {
-                                        from: "a/alef_".into(),
+                                        from: patched.into(),
-                                        to: (&format!("{target}/alef_")).into(),
+                                        to: patched.into(),
                                        context_count: 2,
                                        ..Default::default()
                                    },
@@ -530,7 +534,8 @@ mod tests {
                                fb.write_all(&bet[..]).unwrap();
                                let _ = fa;
                                let _ = fb;
-                                let output = Command::new("patch")
+                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .arg("--context")
                                    .stdin(File::open(format!("{target}/ab_.diff")).unwrap())
@@ -562,7 +567,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"a\n" } else { b"" }).unwrap();
@@ -594,12 +598,13 @@ mod tests {
                                };
                                // This test diff is intentionally reversed.
                                // We want it to turn the alef into bet.
                                let patched = &format!("{target}/alefx");
                                let diff = diff(
                                    &alef,
                                    &bet,
                                    &Params {
-                                        from: "a/alefx".into(),
+                                        from: patched.into(),
-                                        to: (&format!("{target}/alefx")).into(),
+                                        to: patched.into(),
                                        context_count: 2,
                                        ..Default::default()
                                    },
@@ -614,7 +619,8 @@ mod tests {
                                fb.write_all(&bet[..]).unwrap();
                                let _ = fa;
                                let _ = fb;
-                                let output = Command::new("patch")
+                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .arg("--context")
                                    .stdin(File::open(format!("{target}/abx.diff")).unwrap())
@@ -646,7 +652,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"a\n" } else { b"f\n" })
@@ -681,12 +686,13 @@ mod tests {
                                }
                                // This test diff is intentionally reversed.
                                // We want it to turn the alef into bet.
                                let alefr_path = &format!("{target}/alefr");
                                let diff = diff(
                                    &alef,
                                    &bet,
                                    &Params {
-                                        from: "a/alefr".into(),
+                                        from: alefr_path.into(),
-                                        to: (&format!("{target}/alefr")).into(),
+                                        to: alefr_path.into(),
                                        context_count: 2,
                                        ..Default::default()
                                    },
@@ -701,7 +707,8 @@ mod tests {
                                fb.write_all(&bet[..]).unwrap();
                                let _ = fa;
                                let _ = fb;
-                                let output = Command::new("patch")
+                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .arg("--context")
                                    .stdin(File::open(format!("{target}/abr.diff")).unwrap())
@@ -162,6 +162,9 @@ pub fn diff(expected: &[u8], actual: &[u8], params: &Params) -> Result<Vec<u8>,
 mod tests {
    use super::*;
    use pretty_assertions::assert_eq;
    use crate::utils::testcmds::ED_CMD;
    pub fn diff_w(expected: &[u8], actual: &[u8], filename: &str) -> Result<Vec<u8>, DiffError> {
        let mut output = diff(expected, actual, &Params::default())?;
        writeln!(&mut output, "w {filename}").unwrap();
@@ -237,8 +240,8 @@ mod tests {
                                let _ = fb;
                                #[cfg(not(windows))] // there's no ed on windows
                                {
-                                    use std::process::Command;
+                                    let output = ED_CMD
-                                    let output = Command::new("ed")
+                                        .new()
                                        .arg(format!("{target}/alef"))
                                        .stdin(File::open(format!("{target}/ab.ed")).unwrap())
                                        .output()
@@ -311,8 +314,8 @@ mod tests {
                                let _ = fb;
                                #[cfg(not(windows))] // there's no ed on windows
                                {
-                                    use std::process::Command;
+                                    let output = ED_CMD
-                                    let output = Command::new("ed")
+                                        .new()
                                        .arg(format!("{target}/alef_"))
                                        .stdin(File::open(format!("{target}/ab_.ed")).unwrap())
                                        .output()
@@ -391,8 +394,8 @@ mod tests {
                                let _ = fb;
                                #[cfg(not(windows))] // there's no ed on windows
                                {
-                                    use std::process::Command;
+                                    let output = ED_CMD
-                                    let output = Command::new("ed")
+                                        .new()
                                        .arg(format!("{target}/alefr"))
                                        .stdin(File::open(format!("{target}/abr.ed")).unwrap())
                                        .output()
@@ -58,7 +58,7 @@ fn main() -> ExitCode {
    let exe_path = binary_path(&mut args);
    let exe_name = name(&exe_path);
-    let util_name = if exe_name == "diffutils" {
+    let util_name = if exe_name.as_encoded_bytes().ends_with(b"diffutils") {
        // Discard the item we peeked.
        let _ = args.next();
@@ -69,13 +69,17 @@ fn main() -> ExitCode {
        OsString::from(exe_name)
    };
-    match util_name.to_str() {
+    match util_name.as_encoded_bytes() {
-        Some("diff") => diff::main(args),
+        name if name.ends_with(b"diff") => diff::main(args),
-        Some("cmp") => cmp::main(args),
+        name if name.ends_with(b"cmp") => cmp::main(args),
-        Some(name) => {
+        name => {
-            eprintln!("{name}: utility not supported");
+            use std::io::{stderr, Write as _};
            let _ = writeln!(
                stderr(),
                "{}: utility not supported",
                String::from_utf8_lossy(name)
            );
            ExitCode::from(2)
        }
        None => second_arg_error(exe_name),
    }
 }
@@ -215,6 +215,8 @@ mod tests {
    use super::*;
    use pretty_assertions::assert_eq;
    use crate::utils::testcmds::PATCH_CMD;
    #[test]
    fn test_basic() {
        let mut a = Vec::new();
@@ -239,7 +241,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"a\n" } else { b"b\n" })
@@ -285,7 +286,8 @@ mod tests {
                                fb.write_all(&bet[..]).unwrap();
                                let _ = fa;
                                let _ = fb;
-                                let output = Command::new("patch")
+                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .arg(format!("{target}/alef"))
                                    .stdin(File::open(format!("{target}/ab.diff")).unwrap())
@@ -318,7 +320,6 @@ mod tests {
                                for &g in &[0, 1, 2] {
                                    use std::fs::{self, File};
                                    use std::io::Write;
                                    use std::process::Command;
                                    let mut alef = Vec::new();
                                    let mut bet = Vec::new();
                                    alef.write_all(if a == 0 { b"a\n" } else { b"b\n" })
@@ -377,7 +378,8 @@ mod tests {
                                    fb.write_all(&bet[..]).unwrap();
                                    let _ = fa;
                                    let _ = fb;
-                                    let output = Command::new("patch")
+                                    let output = PATCH_CMD
                                        .new()
                                        .arg("-p0")
                                        .arg("--normal")
                                        .arg(format!("{target}/alefn"))
@@ -411,7 +413,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"\n" } else { b"b\n" }).unwrap();
@@ -451,7 +452,8 @@ mod tests {
                                fb.write_all(&bet[..]).unwrap();
                                let _ = fa;
                                let _ = fb;
-                                let output = Command::new("patch")
+                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .arg(format!("{target}/alef_"))
                                    .stdin(File::open(format!("{target}/ab_.diff")).unwrap())
@@ -483,7 +485,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"a\n" } else { b"f\n" })
@@ -529,7 +530,8 @@ mod tests {
                                fb.write_all(&bet[..]).unwrap();
                                let _ = fa;
                                let _ = fb;
-                                let output = Command::new("patch")
+                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .arg(format!("{target}/alefr"))
                                    .stdin(File::open(format!("{target}/abr.diff")).unwrap())
@@ -195,7 +195,7 @@ pub fn parse_params<I: Iterator<Item = OsString>>(mut opts: Peekable<I>) -> Resu
            Err(error) => return Err(error),
        }
        if param.to_string_lossy().starts_with('-') {
-            return Err(format!("unrecognized option: {param:?}"));
+            return Err(format!("unrecognized option '{}'", param.to_string_lossy()));
        }
        if from.is_none() {
            from = Some(param);
@@ -408,6 +408,8 @@ mod tests {
    use super::*;
    use pretty_assertions::assert_eq;
    use crate::utils::testcmds::PATCH_CMD;
    #[test]
    fn test_permutations() {
        let target = "target/unified-diff/";
@@ -421,7 +423,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"a\n" } else { b"b\n" })
@@ -456,12 +457,13 @@ mod tests {
                                }
                                // This test diff is intentionally reversed.
                                // We want it to turn the alef into bet.
                                let patched = &format!("{target}/alef");
                                let diff = diff(
                                    &alef,
                                    &bet,
                                    &Params {
-                                        from: "a/alef".into(),
+                                        from: patched.into(),
-                                        to: (&format!("{target}/alef")).into(),
+                                        to: patched.into(),
                                        context_count: 2,
                                        ..Default::default()
                                    },
@@ -492,7 +494,10 @@ mod tests {
                                        .unwrap_or_else(|_| String::from("[Invalid UTF-8]"))
                                );
-                                let output = Command::new("patch")
+                                use crate::utils::testcmds::PATCH_CMD;
                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .stdin(File::open(format!("{target}/ab.diff")).unwrap())
                                    .output()
@@ -524,7 +529,6 @@ mod tests {
                                for &g in &[0, 1, 2] {
                                    use std::fs::{self, File};
                                    use std::io::Write;
                                    use std::process::Command;
                                    let mut alef = Vec::new();
                                    let mut bet = Vec::new();
                                    alef.write_all(if a == 0 { b"a\n" } else { b"b\n" })
@@ -572,12 +576,13 @@ mod tests {
                                    }
                                    // This test diff is intentionally reversed.
                                    // We want it to turn the alef into bet.
                                    let patched = &format!("{target}/alefn");
                                    let diff = diff(
                                        &alef,
                                        &bet,
                                        &Params {
-                                            from: "a/alefn".into(),
+                                            from: patched.into(),
-                                            to: (&format!("{target}/alefn")).into(),
+                                            to: patched.into(),
                                            context_count: 2,
                                            ..Default::default()
                                        },
@@ -592,7 +597,8 @@ mod tests {
                                    fb.write_all(&bet[..]).unwrap();
                                    let _ = fa;
                                    let _ = fb;
-                                    let output = Command::new("patch")
+                                    let output = PATCH_CMD
                                        .new()
                                        .arg("-p0")
                                        .stdin(File::open(format!("{target}/abn.diff")).unwrap())
                                        .output()
@@ -625,7 +631,6 @@ mod tests {
                                for &g in &[0, 1, 2, 3] {
                                    use std::fs::{self, File};
                                    use std::io::Write;
                                    use std::process::Command;
                                    let mut alef = Vec::new();
                                    let mut bet = Vec::new();
                                    alef.write_all(if a == 0 { b"\n" } else { b"b\n" }).unwrap();
@@ -668,12 +673,13 @@ mod tests {
                                    }
                                    // This test diff is intentionally reversed.
                                    // We want it to turn the alef into bet.
                                    let patched = &format!("{target}/alef_");
                                    let diff = diff(
                                        &alef,
                                        &bet,
                                        &Params {
-                                            from: "a/alef_".into(),
+                                            from: patched.into(),
-                                            to: (&format!("{target}/alef_")).into(),
+                                            to: patched.into(),
                                            context_count: 2,
                                            ..Default::default()
                                        },
@@ -688,7 +694,8 @@ mod tests {
                                    fb.write_all(&bet[..]).unwrap();
                                    let _ = fa;
                                    let _ = fb;
-                                    let output = Command::new("patch")
+                                    let output = PATCH_CMD
                                        .new()
                                        .arg("-p0")
                                        .stdin(File::open(format!("{target}/ab_.diff")).unwrap())
                                        .output()
@@ -720,7 +727,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"a\n" } else { b"" }).unwrap();
@@ -749,12 +755,13 @@ mod tests {
                                }
                                // This test diff is intentionally reversed.
                                // We want it to turn the alef into bet.
                                let patched = &format!("{target}/alefx");
                                let diff = diff(
                                    &alef,
                                    &bet,
                                    &Params {
-                                        from: "a/alefx".into(),
+                                        from: patched.into(),
-                                        to: (&format!("{target}/alefx")).into(),
+                                        to: patched.into(),
                                        context_count: 2,
                                        ..Default::default()
                                    },
@@ -769,7 +776,8 @@ mod tests {
                                fb.write_all(&bet[..]).unwrap();
                                let _ = fa;
                                let _ = fb;
-                                let output = Command::new("patch")
+                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .stdin(File::open(format!("{target}/abx.diff")).unwrap())
                                    .output()
@@ -800,7 +808,6 @@ mod tests {
                            for &f in &[0, 1, 2] {
                                use std::fs::{self, File};
                                use std::io::Write;
                                use std::process::Command;
                                let mut alef = Vec::new();
                                let mut bet = Vec::new();
                                alef.write_all(if a == 0 { b"a\n" } else { b"f\n" })
@@ -835,12 +842,13 @@ mod tests {
                                }
                                // This test diff is intentionally reversed.
                                // We want it to turn the alef into bet.
                                let patched = &format!("{target}/alefr");
                                let diff = diff(
                                    &alef,
                                    &bet,
                                    &Params {
-                                        from: "a/alefr".into(),
+                                        from: patched.into(),
-                                        to: (&format!("{target}/alefr")).into(),
+                                        to: patched.into(),
                                        context_count: 2,
                                        ..Default::default()
                                    },
@@ -855,7 +863,8 @@ mod tests {
                                fb.write_all(&bet[..]).unwrap();
                                let _ = fa;
                                let _ = fb;
-                                let output = Command::new("patch")
+                                let output = PATCH_CMD
                                    .new()
                                    .arg("-p0")
                                    .stdin(File::open(format!("{target}/abr.diff")).unwrap())
                                    .output()
@@ -98,6 +98,99 @@ pub fn report_failure_to_read_input_file(
    );
 }
 #[cfg(test)]
 pub mod testcmds {
    // Command construction wrapper that provides some validation and non-obscure, "fail fast"
    // feedback and error messages.
    use std::any::Any;
    use std::io::Write;
    use std::panic::catch_unwind;
    use std::process::{Command, Stdio};
    use std::sync::LazyLock;
    pub struct CmdFactory {
        cmd: &'static str,
        validated_once: LazyLock<Result<(), String>>,
        validate: fn(&CmdFactory) -> (),
    }
    impl CmdFactory {
        pub fn new(&self) -> Command {
            match &*self.validated_once {
                Ok(()) => Command::new(self.cmd),
                Err(errmsg) => panic!(
                    "'{}' validation failed in earlier thread/test: {}",
                    self.cmd, errmsg
                ),
            }
        }
        // "self" is not compatible with static initialization
        fn try_catch_validate(cmd: &CmdFactory) -> Result<(), String> {
            // Note catch_unwind() does _not_ hide error messages, stack traces, etc.
            catch_unwind(|| {
                let _ = (cmd.validate)(cmd);
            })
            .map_err(find_panic_message)
        }
    }
    fn find_panic_message(payload: Box<dyn Any + Send>) -> String {
        // https://github.com/rust-lang/rust/blob/1.95.0/library/std/src/panicking.rs#L771
        if let Some(&s) = payload.downcast_ref::<&'static str>() {
            String::from(s)
        } else if let Some(s) = payload.downcast_ref::<String>() {
            s.clone()
        } else {
            format!(
                "Unusual panic payload type {:?}, look for the first thread/test that failed",
                payload.type_id(),
            )
        }
    }
    pub static PATCH_CMD: CmdFactory = CmdFactory {
        cmd: if cfg!(target_os = "macos") {
            "gpatch" // brew install gpatch
        } else {
            "patch"
        },
        validated_once: LazyLock::new(|| CmdFactory::try_catch_validate(&PATCH_CMD)),
        validate: (|myself| {
            let output = Command::new(myself.cmd)
                .arg("--version")
                .output()
                .expect(format!("`{} --version` failed", myself.cmd).as_str());
            // Non-GNU versions have subtle differences. When some newlines are missing in some test
            // patches, the macOS version can even stall the whole test run.
            assert!(output.stdout.starts_with(b"GNU patch"));
            assert!(output.status.success());
        }),
    };
    pub static ED_CMD: CmdFactory = CmdFactory {
        cmd: "ed",
        validated_once: LazyLock::new(|| CmdFactory::try_catch_validate(&ED_CMD)),
        validate: (|myself| {
            let mut child = Command::new(myself.cmd)
                .arg("!echo hello_ed")
                .stdin(Stdio::piped())
                .stdout(Stdio::piped())
                .spawn()
                .expect("Failed to start 'ed' command");
            let mut stdin = child.stdin.take().unwrap();
            writeln!(stdin, "1p\nq").expect("Failed to send command to 'ed'");
            let output = child
                .wait_with_output()
                .expect("Failed to read 'ed' stdout");
            assert_eq!(String::from_utf8_lossy(&output.stdout), "9\nhello_ed\n");
        }),
    };
 }
 #[cfg(test)]
 mod tests {
    use super::*;
@@ -32,16 +32,14 @@ mod common {
                "Expected utility name as second argument, got nothing.\n",
            ));
-        for subcmd in ["diff", "cmp"] {
+        for subcmd in ["diff", "cmp", "uu-diff", "uucmp"] {
            let mut cmd = cargo_bin_cmd!("diffutils");
            cmd.arg(subcmd);
            cmd.arg("--foobar");
            cmd.assert()
                .code(predicate::eq(2))
                .failure()
-                .stderr(predicate::str::starts_with(
+                .stderr(predicate::str::contains("unrecognized option '--foobar'"));
                    "unrecognized option: \"--foobar\"",
                ));
        }
        Ok(())
    }
@@ -62,7 +62,7 @@ cd ../tests
 # Fetch tests/init.sh from the gnulib repository (needed since
 # https://git.savannah.gnu.org/cgit/diffutils.git/commit/tests?id=1d2456f539)
-curl -s "$gitserver/gitweb/?p=gnulib.git;a=blob_plain;f=tests/init.sh;hb=HEAD" -o init.sh
+curl -sL "$gitserver/gitweb/?p=gnulib.git;a=blob_plain;f=tests/init.sh;hb=HEAD" -o init.sh
 if [[ -n "$TESTS" ]]
 then
@@ -0,0 +1,158 @@
 #!/usr/bin/env python3
 """
 Compare the current GNU test results to the last results gathered from the main branch to
 highlight if a PR is making the results better/worse.
 Don't exit with error code if all failing tests are in the ignore-intermittent.txt list.
 """
 import json
 import sys
 import argparse
 from pathlib import Path
 def load_ignore_list(ignore_file):
    """Load list of intermittent test names to ignore from file."""
    ignore_set = set()
    if ignore_file and Path(ignore_file).exists():
        with open(ignore_file, "r") as f:
            for line in f:
                line = line.strip()
                if line and not line.startswith("#"):
                    ignore_set.add(line)
    return ignore_set
 def extract_test_results(json_data):
    """Extract test results from a diffutils test-results.json.
    Note: unlike sed, diffutils JSON has no 'summary' object — results are
    computed from the 'tests' array using the 'result' and 'test' fields.
    """
    tests = json_data.get("tests", [])
    passed  = sum(1 for t in tests if t.get("result") == "PASS")
    failed  = sum(1 for t in tests if t.get("result") == "FAIL")
    skipped = sum(1 for t in tests if t.get("result") == "SKIP")
    summary = {"total": len(tests), "passed": passed, "failed": failed, "skipped": skipped}
    failed_tests = [t["test"] for t in tests if t.get("result") == "FAIL"]
    return summary, failed_tests
 def compare_results(current_file, reference_file, ignore_file=None, output_file=None):
    """Compare current results with reference results."""
    ignore_set = load_ignore_list(ignore_file)
    try:
        with open(current_file, "r") as f:
            current_data = json.load(f)
        current_summary, current_failed = extract_test_results(current_data)
    except Exception as e:
        print(f"Error loading current results: {e}")
        return 1
    try:
        with open(reference_file, "r") as f:
            reference_data = json.load(f)
        reference_summary, reference_failed = extract_test_results(reference_data)
    except Exception as e:
        print(f"Error loading reference results: {e}")
        return 1
    # Calculate differences
    pass_diff  = int(current_summary.get("passed",  0)) - int(reference_summary.get("passed",  0))
    fail_diff  = int(current_summary.get("failed",  0)) - int(reference_summary.get("failed",  0))
    total_diff = int(current_summary.get("total",   0)) - int(reference_summary.get("total",   0))
    # Find new failures and improvements
    current_failed_set   = set(current_failed)
    reference_failed_set = set(reference_failed)
    new_failures  = current_failed_set   - reference_failed_set
    improvements  = reference_failed_set - current_failed_set
    # Filter out intermittent failures
    non_intermittent_new_failures = new_failures - ignore_set
    # Check if results are identical (no changes)
    no_changes = (
        pass_diff == 0
        and fail_diff == 0
        and total_diff == 0
        and not new_failures
        and not improvements
    )
    # If no changes, write empty output to prevent comment posting
    if no_changes:
        if output_file:
            with open(output_file, "w") as f:
                f.write("")
        return 0
    # Prepare output message
    output_lines = []
    output_lines.append("Test results comparison:")
    output_lines.append(
        f"  Current:   TOTAL: {current_summary.get('total', 0)} / PASSED: {current_summary.get('passed', 0)} / FAILED: {current_summary.get('failed', 0)} / SKIPPED: {current_summary.get('skipped', 0)}"
    )
    output_lines.append(
        f"  Reference: TOTAL: {reference_summary.get('total', 0)} / PASSED: {reference_summary.get('passed', 0)} / FAILED: {reference_summary.get('failed', 0)} / SKIPPED: {reference_summary.get('skipped', 0)}"
    )
    output_lines.append("")
    if pass_diff != 0 or fail_diff != 0 or total_diff != 0:
        output_lines.append("Changes from main branch:")
        output_lines.append(f"  TOTAL: {total_diff:+d}")
        output_lines.append(f"  PASSED: {pass_diff:+d}")
        output_lines.append(f"  FAILED: {fail_diff:+d}")
        output_lines.append("")
    if new_failures:
        output_lines.append(f"New test failures ({len(new_failures)}):")
        for test in sorted(new_failures):
            if test in ignore_set:
                output_lines.append(f"  - {test} (intermittent)")
            else:
                output_lines.append(f"  - {test}")
        output_lines.append("")
    if improvements:
        output_lines.append(f"Test improvements ({len(improvements)}):")
        for test in sorted(improvements):
            output_lines.append(f"  + {test}")
        output_lines.append("")
    output_text = "\n".join(output_lines)
    if output_file:
        with open(output_file, "w") as f:
            f.write(output_text)
    else:
        print(output_text)
    if non_intermittent_new_failures:
        print(
            f"ERROR: Found {len(non_intermittent_new_failures)} new non-intermittent test failures"
        )
        return 1
    return 0
 def main():
    parser = argparse.ArgumentParser(description="Compare GNU diffutils test results")
    parser.add_argument("current",   help="Current test results JSON file")
    parser.add_argument("reference", help="Reference test results JSON file")
    parser.add_argument(
        "--ignore-file", help="File containing intermittent test names to ignore"
    )
    parser.add_argument("--output",  help="Output file for comparison results")
    args = parser.parse_args()
    return compare_results(args.current, args.reference, args.ignore_file, args.output)
 if __name__ == "__main__":
    sys.exit(main())
Author	SHA1	Message	Date
renovate[bot]	e4462b038e	chore(deps): update rust crate divan to v5.0.1	2026-06-27 11:15:35 +02:00
renovate[bot]	30bbc169ac	chore(deps): update actions/cache action to v6	2026-06-24 09:11:15 +02:00
renovate[bot]	ff6b8d46a7	chore(deps): update rust crate divan to v5	2026-06-24 07:53:41 +02:00
oech3	dc9ca179f3	cmp: use .map_err	2026-06-10 15:12:36 +02:00
oech3	f29e96cdba	cmp.rs: simplify by .ok_or	2026-06-10 10:21:25 +02:00
renovate[bot]	a46dae68b1	chore(deps): update rust crate regex to v1.12.4	2026-06-10 07:20:17 +02:00
renovate[bot]	1a8d7f96a6	chore(deps): update codecov/codecov-action action to v7 (#240 ) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>	2026-06-07 09:08:29 +02:00
renovate[bot]	53599ccd40	chore(deps): update rust crate libfuzzer-sys to v0.4.13	2026-06-05 07:24:05 +02:00
renovate[bot]	9bc64f03ed	chore(deps): update rust crate chrono to v0.4.45	2026-06-05 07:17:21 +02:00
Marc Herbert	d266f9b90e	CI: remove echo "/opt/homebrew/opt/gpatch/libexec/gnubin" >> "$GITHUB_PATH" (#234 ) This is not needed now that tests automatically look for `gpatch` on mac since commit `1254f146f8` ("tests: validate "patch" and "ed" commands once, print meaningful messages (#226)") The fewer PATH changes, the better. Signed-off-by: Marc Herbert <Marc.Herbert@gmail.com>	2026-06-03 14:13:10 +02:00
Marc Herbert	ec3428b48f	tests: fix "gpatch --version" error message on mac (#235 ) When we fail to find `gpatch`, don't say that we failed to find `patch`. Cosmetic fix to commit `1254f146f8` ("tests: validate "patch" and "ed" commands once, print meaningful messages (#226)") This is an extremely minor fix because the error message already printed "gpatch validation failed, no such file or directory" even before this commit. Signed-off-by: Marc Herbert <Marc.Herbert@gmail.com>	2026-06-03 14:11:51 +02:00
oech3	58da229c09	support prefixed names (#231 )	2026-06-03 14:11:29 +02:00
Sylvestre Ledru	250f935efe	Add CONTRIBUTING.md pointing to the review guidelines	2026-05-30 10:07:54 +02:00
Marc Herbert	1254f146f8	tests: validate "patch" and "ed" commands once, print meaningful messages (#226 ) macOS' /usr/bin/patch and GNU patch have very subtle incompatibilities that cause only some "more advanced" tests to fail in obscure and very time-consuming ways - while other tests pass. In some cases (depending on test threads racing), the lack of newlines in some test data even causes the whole test suite to stall. This fix runs `patch -version` (only once), makes sure the output starts with "GNU patch" and shows a meaningful assert message when not. It also looks for `gpatch` instead of `patch` on macOS and shows a meaningful assert message if either is missing. Fixes: #225 This also provides faster and better feedback when `ed` is missing (see #39) and implements a portable and basic check. Last but not least, this new code is generic enough to support the validation of any other test dependency in the future.	2026-05-24 17:08:52 +02:00
renovate[bot]	c1943c5abb	chore(deps): update rust crate divan to v4.7.0	2026-05-23 07:09:07 +02:00
Gunter Schmidt	d33aca1fff	cmp Feat: change data type for 'bytes' limit and 'ignore initial' to u64 (#183 ) * feat: u64 for --bytes and --ignore-initial fix: bumped up tempfile to "3.26.0" The variables for --bytes, --ignore-initial and line count where size 'usize', thus limiting the readable bytes on 32-bit systems. GNU cmp is compiled with LFS (Large File Support) and allows i64 values. This is now all u64, which works also on 32-bit systems with Rust. There is no reason to implement a 32-bit barrier for 32 bit machines. Additionally the --bytes limit can be set to 'u128' using the feature "cmp_bytes_limit_128_bit". The performance impact would be negligible, as there only few calculations each time a full block is read from the file. --------- Co-authored-by: Gunter Schmidt <gsgit@beadsoft.de> Co-authored-by: Sylvestre Ledru <sylvestre@debian.org>	2026-05-14 23:13:02 +02:00
renovate[bot]	649179069c	chore(deps): update dawidd6/action-download-artifact action to v21	2026-05-14 10:29:01 +02:00
Daniel Hofstetter	9fe96ed5e9	Make compare_test_results.py executable	2026-05-14 10:25:48 +02:00
pocopepe	2c47ea9f04	feat: add gnu testsuite tracking workflows	2026-05-14 09:42:26 +02:00
Daniel Hofstetter	9a7a727da4	Fix end of some files	2026-05-14 09:41:36 +02:00
Daniel Hofstetter	a24b0c391e	ci: add .pre-commit-config.yaml	2026-05-14 09:41:36 +02:00
xtqqczze	3f2c8678da	actions: add security audit workflow	2026-05-14 09:41:25 +02:00
Marc Herbert	d73fa831b0	tests: fix "old" names in generated patch files Fixes #223. Very simple reproduction ``` cd diffutils mkdir a touch a/alef a/alefn a/alef_ a/alefx a/alefr a/fuzz.file cargo test ``` => fail https://www.gnu.org/software/diffutils/manual/html_node/Multiple-Patches.html states that the "old" file name has precedence over the "new" filename. I hit this problem because some other (and unfortunately: unknown for now) test issue left bogus `a/alef*` file(s) behind in my workspace. I didn't bother cleaning them up because I assumed some test would keep recreating them and that cost me a lot of time. This issue seems to have existed since the very first commit. Interestingly, there as a previous attempt in 2024 to fix this in commit `a3a372ff36` ! So I was apparently not the only affected. BUT that fix was immediately reverted by commit `ba7cb0aef9` in the same PR. Admittedly, that fix seemed somewhat off-topic in https://github.com/uutils/diffutils/pull/33. So here it is again.	2026-05-13 14:02:35 +02:00
renovate[bot]	be90f75e68	chore(deps): update rust crate assert_cmd to v2.2.2	2026-05-12 09:13:23 +02:00
oech3	259e51d0d4	*.yml: dedup env:	2026-05-09 16:56:20 +02:00
xtqqczze	da98437b08	chore: add COPYRIGHT file and update license references - move copyright information from LICENSE-* files to COPYRIGHT - use some improved wording used by the Rust project	2026-05-09 16:48:09 +02:00
xtqqczze	54db7b0b3e	Add SECURITY.md Copied from https://github.com/uutils/coreutils/blob/5e974797bd8050c2d425a706670254ad0323404d/SECURITY.md Co-authored-by: Sylvestre Ledru <sylvestre@debian.org> Co-authored-by: Daniel Hofstetter <daniel.hofstetter@42dh.com>	2026-05-09 16:44:14 +02:00
renovate[bot]	c811142a6c	chore(deps): update rust crate divan to v4.6.0	2026-04-28 16:05:06 +02:00
pocopepe	4043bb1928	skip --help args in fuzz_cmp_args since it causes process exit	2026-04-21 10:25:34 +02:00
pocopepe	d11f672d29	fix: fuzz targets missing target dir and silent CI failures	2026-04-21 10:25:34 +02:00
oech3	37abce4eab	Add CI for wasm32 (#218 ) Co-authored-by: oech3 <>	2026-04-19 11:05:03 +02:00
viju	a340afb6d1	fix build failure on wasm32-wasip1 target (#215 ) Co-authored-by: viju <pocopepe@vijus-MacBook-Air.local>	2026-04-18 19:32:32 +02:00
renovate[bot]	18c5533b82	chore(deps): update rust crate assert_cmd to v2.2.1	2026-04-17 16:42:59 +02:00
renovate[bot]	34f3935b71	chore(deps): update rust crate divan to v4.5.0	2026-04-17 13:34:41 +02:00
renovate[bot]	904efda150	chore(deps): update softprops/action-gh-release action to v3	2026-04-12 10:20:51 +02:00
renovate[bot]	af3e010b26	chore(deps): update rust crate rand to v0.10.1	2026-04-11 15:27:05 +02:00
xtqqczze	0001b2036e	chore(deps): update rust crates	2026-04-11 08:06:26 +02:00
renovate[bot]	8aa2a2cb7c	chore(deps): update codecov/codecov-action action to v6	2026-03-27 07:25:18 +01:00
Kevin Burke	23890b6c94	fix: follow redirects when fetching gnulib init.sh in upstream test suite (#202 ) The gnulib gitweb server returns a 302 redirect, but curl was called without -L so it saved the HTML redirect page instead of init.sh. This caused all 33 GNU upstream tests to fail in CI since the init.sh fetch was introduced in `c1b66e4`. Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>	2026-03-20 07:51:26 +01:00
renovate[bot]	5fc37c7c73	chore(deps): update rust crate itoa to v1.0.18	2026-03-20 06:05:18 +01:00
renovate[bot]	f4895861db	chore(deps): update rust crate divan to v4.4.1	2026-03-12 14:01:06 +01:00
renovate[bot]	25cad28b99	chore(deps): update rust crate divan to v4.4.0	2026-03-12 11:21:24 +01:00
renovate[bot]	454f5436ce	chore(deps): update rust crate tempfile to v3.27.0	2026-03-11 06:13:15 +01:00
renovate[bot]	2efd4e17fa	chore(deps): update rust crate assert_cmd to v2.2.0	2026-03-11 06:10:01 +01:00
Ryuji Yasukochi	9dcca24fb0	fix: match GNU error format for unrecognized options (#180 ) * fix: match GNU error format for unrecognized options Use single quotes and remove colon to match GNU diff/cmp output: `unrecognized option '--foobar'` instead of `unrecognized option: "--foobar"` Also use `contains` instead of `starts_with` in the integration test to handle the command prefix (e.g. `cmp: unrecognized option ...`). Follow-up to #178 / #179. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * style: apply cargo fmt formatting Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>	2026-03-10 11:48:58 +01:00
oech3	5660d0eafb	Cargo.toml: Simplify profiles	2026-03-08 21:53:27 +01:00
renovate[bot]	c624dc489d	chore(deps): update moonrepo/setup-rust action to v1	2026-03-08 14:03:47 +01:00