deps: remove fanal framework, call Trivy parsers directly by kotakanbe · Pull Request #2476 · future-architect/vuls

kotakanbe · 2026-03-17T23:22:07Z

Summary

Remove the Trivy fanal analyzer framework and call dependency parsers directly
Eliminates IaC/misconf package tree that was pulled in transitively via fanal/analyzer -> misconf -> all IaC scanners
Scanner-only binary: 106.6 MB → 34.1 MB (-68%)
Full binary: 139.1 MB → 136.0 MB (-2%)

What changed

Rewrite AnalyzeLibrary() to use detectParserType() + direct parser calls
Remove all fanal blank imports (25+ analyzer registrations)
Simplify JAR parser to standalone function, removing fanal PostAnalyzer interface
Remove DummyFileInfo (no longer needed)
Add detectParserType() with table-driven tests covering all edge cases
Add composer-vendor (installed.json) support to detectParserType — fanal registered this analyzer but the old dispatch table missed it
Error handling: parse errors collected in l.errs (appear in ScanResult.Errors), remaining lockfiles continue scanning

Metrics

Build flags: goreleaser equivalent (CGO_ENABLED=0 GOEXPERIMENT=jsonv2 go build -a -trimpath -ldflags "-s -w")

Metric	Before (master)	After	Change
Full binary size	139.1 MB	136.0 MB	-2%
Scanner-only binary size	106.6 MB	34.1 MB	-68%
Scanner-only build time (cached)	7.8s	3.2s	-59%
Trivy package deps	352	144	-59%
misconf packages	1	0	-100%

Why the full binary size reduction is only -2%

The full binary (go build ./cmd/vuls/) still imports the Trivy vulnerability detection layer through two paths, both outside the scope of this PR:

subcmds/report.go imports trivy/pkg/cache — this transitively pulls in 254 IaC packages (terraform parser, cloudformation parser, trivy-checks, etc.)
detector/library.go imports trivy/pkg/db — this transitively pulls in 90 IaC packages

These imports exist because Trivy's internal package structure couples its DB/cache layer with IaC scanning types. Even though Vuls never uses IaC scanning, the Go linker must include these packages.

The scanner-only binary (go build -tags scanner ./cmd/scanner/) excludes both detector/ and subcmds/report.go via the !scanner build tag, which is why it benefits dramatically (-68%).

Fully decoupling the full binary from IaC packages would require either upstream changes to Trivy's package structure or replacing the trivy/pkg/cache and trivy/pkg/db imports — a separate, larger effort. (The trivy/pkg/cache removal is addressed in #2478.)

What is NOT changed

detector/library.go (vulnerability detection) -- unchanged, !scanner build tag
detector/javadb/ (Java DB download and SHA1 lookup) -- unchanged, !scanner build tag. Java DB is only used in the detect phase (vuls report), not in the scan phase where this PR's changes apply.
go.mod -- trivy dependency remains (used by detector in full build)
Parser output -- identical to before for 16/17 ecosystems (see regression testing section)

New files and directories

`scanner/testdata/` — Golden test fixtures

35 lockfile fixtures and their expected JSON outputs for all supported ecosystems. Each fixture is a real-world lockfile (npm, yarn, pnpm, pip, pipenv, poetry, uv, bundler, cargo, composer, go.mod, pom.xml, gradle, nuget, dotnet-deps, conan, pub, mix, cocoapods, swift, jar, war, gobinary, rustbinary).

scanner/testdata/fixtures/ — Input lockfiles/binaries
scanner/testdata/golden/ — Expected JSON output (*.golden.json)

These are used by scanner/analyze_golden_test.go to verify that AnalyzeLibrary() produces exactly the expected output. Run go test ./scanner/ -update to regenerate golden files after intentional changes.

`scripts/` — A/B regression comparison tool

scripts/compare-lockfile.go — Downloads real-world lockfiles from popular OSS projects (GitHub, Maven Central), creates a git worktree for the base ref, and runs AnalyzeLibrary() on both refs to diff the JSON output. This catches regressions that golden tests might miss (e.g., behavior differences with large real-world files).
scripts/lockfile-fixtures.json — 129 fixture definitions (10 per ecosystem, pinned tags for reproducibility).
scripts/README.md — Usage documentation.

`GNUmakefile` — New `compare-lockfile` target

make compare-lockfile              # fetch fixtures and compare against master
make compare-lockfile BASE=v0.27.0 # compare against specific ref
make compare-lockfile FETCH=0      # skip download, reuse cached fixtures

No regression in both build modes

AnalyzeLibrary() is the shared code path used by both the full binary and the scanner-only binary. This PR rewrites that function, and both golden tests and make compare-lockfile exercise it directly. Since AnalyzeLibrary() is common to both builds, verifying it once covers both:

Full build (go build ./cmd/vuls/): compiles and all tests pass. The additional code in this build is detector/library.go (vulnerability detection via Trivy DB), which is excluded from this PR's changes by the !scanner build tag.
Scanner-only build (go build -tags scanner ./cmd/scanner/): compiles and all tests pass. This is where the binary size reduction is most significant (-68%).

Regression testing

Golden tests (`go test ./scanner/...`)

35 lockfile fixtures with exact JSON output comparison. Covers all parser types including the newly added composer-vendor (installed.json).

pom.xml online mode (`TestAnalyzeLibrary_PomOnline`)

pom.xml is the only parser that behaves differently in online vs offline mode — online mode resolves transitive dependencies from Maven Central. A dedicated test verifies this:

Calls AnalyzeLibrary() with isOffline=false and compares output against pom.xml.online.golden.json
Verifies online mode returns more dependencies than offline (offline: 2 libs, online: 3 libs — transitive log4j-api is resolved)
Manually verified to produce identical results to master (both online and offline)
Skipped with go test -short since it requires network access

Note: JAR/WAR parsing does not use the online/offline flag — it only reads META-INF/MANIFEST.MF and pom.properties from inside the archive. Java DB (trivy-java-db) is used only in the detect phase (detector/javadb/), not in the scan phase.

Real-world comparison (`make compare-lockfile`)

scripts/compare-lockfile.go runs AnalyzeLibrary() on both the current branch and the base ref (master) using real-world lockfiles fetched from popular OSS projects, then diffs the JSON output.

129 fixtures tested across 13 ecosystems (10 projects each + jar/gobinary/rustbinary):

Ecosystem	Fixtures	Result
npm	10	10 IDENTICAL
yarn	10	10 IDENTICAL
pnpm	10	7 IDENTICAL, 3 DIFFERENT (dev flag only, see below)
pip	10	10 IDENTICAL
pipenv	10	10 IDENTICAL
poetry	10	10 IDENTICAL
bundler	10	10 IDENTICAL
cargo	10	10 IDENTICAL
composer	10	10 IDENTICAL
gomod	10	10 IDENTICAL
pom	10	10 IDENTICAL
mix	10	10 IDENTICAL
swift	10	10 IDENTICAL
jar	2	2 IDENTICAL
gobinary	1	1 IDENTICAL
rustbinary	1	1 IDENTICAL
Total	129	126 IDENTICAL, 3 DIFFERENT

pnpm difference explained

The 3 pnpm differences (vitejs/vite, withastro/astro, pnpm/pnpm) all show the same pattern: "dev": true flags being added or corrected. This is a pre-existing bug in master, not a regression introduced by this PR.

Root cause: In master, the fanal analyzer framework wraps the pnpm parser in a way that loses the dev flag information. By calling the Trivy pnpm parser directly in this PR, the parser's correct behavior is now exposed — dev dependencies are properly marked with "dev": true.

All library names, versions, and PURLs are identical across all 129 fixtures. The only differences are dev flag corrections in pnpm.

Test plan

Golden tests: 35 lockfile fixtures, output matches exactly (go test ./scanner/...)
Dispatch tests: all file-to-parser mappings verified (table-driven, dispatch_test.go)
pom.xml online mode: transitive dependency resolution via Maven Central verified, identical to master (TestAnalyzeLibrary_PomOnline)
make compare-lockfile: 129 real-world fixtures across 13 ecosystems — 126/129 identical with master (3 diffs are pre-existing pnpm dev-flag bug, not a regression)
go build ./cmd/vuls/ (full build OK)
go build -tags scanner ./cmd/scanner/ (scanner-only build OK)
go test ./... all packages PASS
GOEXPERIMENT=jsonv2 golangci-lint run ./... PASS

🤖 Generated with Claude Code

Copilot

Pull request overview

This PR refactors the scanner’s library analysis to bypass Trivy’s fanal analyzer framework and instead dispatch directly to Trivy dependency parsers, primarily to reduce transitive dependencies (notably IaC/misconf) and shrink the scanner-only binary.

Changes:

Replaced AnalyzeLibrary()’s fanal-based analysis with detectParserType() + direct Trivy parser calls.
Extracted JAR/WAR/EAR/PAR parsing into a standalone ParseJAR function (removing fanal post-analyzer wiring).
Added dispatch + golden-style tests and a set of golden JSON fixtures for many lockfile/artifact types.

Reviewed changes

Copilot reviewed 36 out of 39 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
scanner/base.go	Replaces fanal analyzer group usage with direct parser dispatch and helper parse wrappers.
scanner/dispatch.go	Adds file path/filemode → parser-type detection logic.
scanner/dispatch_test.go	Table-driven tests for parser dispatch mapping (including exclusions and exec-bit detection).
scanner/trivy/jar/jar.go	Reworks JAR parsing into a direct `ParseJAR` entrypoint.
scanner/analyze_golden_test.go	Adds golden tests comparing `AnalyzeLibrary()` output against committed golden JSON outputs.
scanner/testdata/golden/Cargo.lock.golden.json	Golden fixture for Cargo.lock parsing output.
scanner/testdata/golden/Directory.Packages.props.golden.json	Golden fixture for NuGet central package management props parsing output.
scanner/testdata/golden/Gemfile.lock.golden.json	Golden fixture for Bundler parsing output.
scanner/testdata/golden/Package.resolved.golden.json	Golden fixture for Swift Package Manager parsing output.
scanner/testdata/golden/Pipfile.lock.golden.json	Golden fixture for Pipenv parsing output.
scanner/testdata/golden/Podfile.lock.golden.json	Golden fixture for CocoaPods parsing output.
scanner/testdata/golden/bun.lock.golden.json	Golden fixture for Bun lock parsing output.
scanner/testdata/golden/composer.lock.golden.json	Golden fixture for Composer parsing output.
scanner/testdata/golden/conan-v1_conan.lock.golden.json	Golden fixture for Conan v1 lock parsing output.
scanner/testdata/golden/conan-v2_conan.lock.golden.json	Golden fixture for Conan v2 lock parsing output.
scanner/testdata/golden/datacollector.deps.json.golden.json	Golden fixture for .NET deps.json parsing output.
scanner/testdata/golden/go.mod.golden.json	Golden fixture for Go module parsing output.
scanner/testdata/golden/go.sum.golden.json	Golden fixture verifying go.sum alone yields no output.
scanner/testdata/golden/gobinary.golden.json	Golden fixture for Go binary dependency extraction output.
scanner/testdata/golden/gradle.lockfile.golden.json	Golden fixture for Gradle lockfile parsing output.
scanner/testdata/golden/hello-rust.golden.json	Golden fixture for Rust binary dependency extraction output.
scanner/testdata/golden/juddiv3-war-3.3.5.war.golden.json	Golden fixture for WAR/JAR family parsing output with embedded libs.
scanner/testdata/golden/log4j-core-2.13.0.jar.golden.json	Golden fixture for JAR parsing output.
scanner/testdata/golden/mix.lock.golden.json	Golden fixture for Elixir mix.lock parsing output.
scanner/testdata/golden/npm-v1_package-lock.json.golden.json	Golden fixture for npm v1 package-lock parsing output.
scanner/testdata/golden/npm-v2_package-lock.json.golden.json	Golden fixture for npm v2 package-lock parsing output.
scanner/testdata/golden/npm-v3_package-lock.json.golden.json	Golden fixture for npm v3 package-lock parsing output.
scanner/testdata/golden/packages.config.golden.json	Golden fixture for NuGet packages.config parsing output.
scanner/testdata/golden/packages.lock.json.golden.json	Golden fixture for NuGet packages.lock.json parsing output.
scanner/testdata/golden/pnpm-v9_pnpm-lock.yaml.golden.json	Golden fixture for pnpm v9 lock parsing output.
scanner/testdata/golden/pnpm_pnpm-lock.yaml.golden.json	Golden fixture verifying pnpm lock can yield empty output for fixture.
scanner/testdata/golden/poetry-v1_poetry.lock.golden.json	Golden fixture for Poetry v1 lock parsing output.
scanner/testdata/golden/poetry-v2_poetry.lock.golden.json	Golden fixture for Poetry v2 lock parsing output.
scanner/testdata/golden/pom.xml.golden.json	Golden fixture for Maven pom.xml parsing output.
scanner/testdata/golden/pubspec.lock.golden.json	Golden fixture for Dart pubspec.lock parsing output.
scanner/testdata/golden/requirements.txt.golden.json	Golden fixture for requirements.txt parsing output.
scanner/testdata/golden/uv.lock.golden.json	Golden fixture for uv.lock parsing output.
scanner/testdata/golden/wrong-name-log4j-core.jar.golden.json	Golden fixture for JAR name edge case parsing output.
scanner/testdata/golden/yarn.lock.golden.json	Golden fixture for yarn.lock parsing output.

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scanner/base.go

scanner/trivy/jar/jar.go

scanner/analyze_golden_test.go

kotakanbe · 2026-03-17T23:49:50Z

End-to-end comparison: master vs this PR

Methodology

Ran AnalyzeLibrary() against all 34 lockfile fixtures on both master (fanal framework) and this PR branch (direct parser calls), then compared the JSON output byte-for-byte.

Steps

1. Create a master worktree

git worktree add /tmp/vuls-master master

2. Write a comparison harness

Created a Go program that calls scanner.AnalyzeLibrary() on every lockfile in integration/data/lockfile/, normalizes the output (sort by name+version to eliminate ordering differences), and writes one JSON file per lockfile.

On master, AnalyzeLibrary() goes through the fanal analyzer framework with blank imports. On this PR branch, it calls Trivy dependency parsers directly. The comparison proves both paths produce identical output.

Target files (34 total):

npm (v1,v2,v3), yarn, pnpm (v8,v9), bun,
pip, pipenv, poetry (v1,v2), uv,
bundler, cargo, rust-binary,
composer, go.mod, go.sum, go-binary,
pom.xml, gradle, JAR (log4j, wrong-name, WAR),
nuget-lock, nuget-config, deps.json, packages.props,
conan (v1,v2), pubspec, mix, cocoapods, swift

3. Run on master

cd /tmp/vuls-master
go run run_analyze.go integration/data/lockfile /tmp/result-master

Output:

OK npm-v1/package-lock.json (242 libs)
OK npm-v2/package-lock.json (324 libs)
OK npm-v3/package-lock.json (1327 libs)
OK yarn.lock (836 libs)
OK pnpm/pnpm-lock.yaml (0 libs)
OK pnpm-v9/pnpm-lock.yaml (536 libs)
OK bun.lock (6 libs)
OK requirements.txt (1 libs)
OK Pipfile.lock (19 libs)
OK poetry-v1/poetry.lock (62 libs)
OK poetry-v2/poetry.lock (15 libs)
OK uv.lock (105 libs)
OK Gemfile.lock (111 libs)
OK Cargo.lock (399 libs)
OK hello-rust (6 libs)
OK composer.lock (107 libs)
OK go.mod (19 libs)
OK go.sum (0 libs)
OK gobinary (3 libs)
OK pom.xml (2 libs)
OK gradle.lockfile (1 libs)
OK log4j-core-2.13.0.jar (1 libs)
OK wrong-name-log4j-core.jar (2 libs)
OK juddiv3-war-3.3.5.war (79 libs)
OK packages.lock.json (1 libs)
OK packages.config (1 libs)
OK datacollector.deps.json (2 libs)
OK Directory.Packages.props (2 libs)
OK conan-v1/conan.lock (7 libs)
OK conan-v2/conan.lock (2 libs)
OK pubspec.lock (50 libs)
OK mix.lock (4 libs)
OK Podfile.lock (6 libs)
OK Package.resolved (4 libs)

4. Run on this PR branch

cd /home/kota/go/src/github.com/future-architect/vuls  # diet-trivy-dispatch branch
go run run_analyze.go integration/data/lockfile /tmp/result-new

Output is identical to master (same library counts for every file).

5. Diff JSON output

diff_count=0
total=0
for f in /tmp/result-master/*.json; do
  name=$(basename "$f")
  total=$((total + 1))
  if ! diff -q "$f" "/tmp/result-new/$name" > /dev/null 2>&1; then
    echo "DIFF: $name"
    diff "$f" "/tmp/result-new/$name"
    diff_count=$((diff_count + 1))
  fi
done
echo "Total: $total files compared"
echo "Identical: $((total - diff_count))"
echo "Different: $diff_count"

Result

Total: 34 files compared
Identical: 34
Different: 0

All 34 lockfile outputs are byte-for-byte identical between master and this PR. A total of 4,883 library detections match exactly between the fanal-based implementation (master) and the direct parser calls (this PR).

kotakanbe · 2026-03-18T00:00:40Z

Test fixture strategy: CI compatibility

Problem

The golden tests originally read lockfile fixtures from integration/data/lockfile/, which is a git submodule (vulsio/integration). CI uses actions/checkout without submodules: true, so the integration directory is not available in CI. This means the golden tests would be silently skipped in CI, defeating the purpose of regression protection.

Options considered

Option	Pros	Cons
A. Copy text fixtures to `scanner/testdata/fixtures/`	Self-contained, works in CI without config changes	File duplication (~2.3 MB)
B. Add `submodules: true` to CI workflow	Full coverage (34/34)	+81 MB clone per PR run; submodule updates can break golden tests; CI workflow change is out of scope for this PR
C. Keep as skip-in-CI	No extra files	CI provides zero regression protection

Decision: Option A

Copied 29 text-based lockfile fixtures (2.3 MB) to scanner/testdata/fixtures/. Binary fixtures (JAR, WAR, Go/Rust binaries — 35 MB total) remain in the integration submodule only.

CI behavior

Verified by temporarily hiding the integration submodule (mv integration integration.bak) and running tests:

29 PASS  — text fixtures from testdata/fixtures/ (always available)
 5 SKIP  — binary fixtures: hello-rust, gobinary, log4j-core-2.13.0.jar,
           wrong-name-log4j-core.jar, juddiv3-war-3.3.5.war
           (requires: git submodule update --init)

Local behavior (with submodule)

34 PASS  — all fixtures available
 0 SKIP

Test code changes

Text fixtures: read from testdata/fixtures/ (committed, always available)
Binary fixtures: read from ../integration/data/lockfile/ (submodule, t.Skip if missing)
t.Fatalf for missing text fixtures (these should never be missing in CI)
t.Skipf for missing binary fixtures (with instructions to init submodule)

- Return parse errors from AnalyzeLibrary instead of silently swallowing them. Caller (scanLibraries) logs warning and continues to next file. - Use io.SeekEnd/io.SeekStart instead of magic numbers in JAR parser. - Golden test treats parse errors as empty result (matches production behavior where scanLibraries warns and continues). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Copilot

Pull request overview

This PR refactors the scanner-side dependency analysis to bypass Trivy’s fanal analyzer framework and invoke Trivy dependency parsers directly, primarily to reduce transitive dependencies (notably IaC/misconf) and dramatically shrink the scanner-only binary.

Changes:

Rewrites AnalyzeLibrary() to dispatch by filename/mode and call Trivy parsers directly (plus a dedicated JAR parsing entrypoint).
Adds parser dispatch unit tests and broad golden tests with many new fixtures/golden outputs.
Updates module dependencies to reflect removed direct usage (golang.org/x/sync becomes indirect).

Reviewed changes

Copilot reviewed 46 out of 69 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
scanner/base.go	Replaces fanal-based analysis with direct parser dispatch; changes error handling to warn-and-continue on per-file failures.
scanner/dispatch.go	Adds `detectParserType()` dispatch logic for lockfiles/artifacts and executable detection.
scanner/dispatch_test.go	Adds table-driven tests validating dispatch decisions and exclusions.
scanner/trivy/jar/jar.go	Converts JAR analyzer into a standalone `ParseJAR` function callable directly.
scanner/analyze_golden_test.go	Adds golden test harness covering many ecosystems and artifact types (with optional integration-submodule fixtures).
go.mod	Removes direct `golang.org/x/sync` requirement and retains it indirectly.
scanner/testdata/fixtures/requirements.txt	Adds pip requirements fixture for golden tests.
scanner/testdata/fixtures/pubspec.lock	Adds Dart pub lock fixture.
scanner/testdata/fixtures/pom.xml	Adds Maven POM fixture.
scanner/testdata/fixtures/poetry-v2/poetry.lock	Adds Poetry v2 fixture.
scanner/testdata/fixtures/packages.lock.json	Adds NuGet lock fixture.
scanner/testdata/fixtures/packages.config	Adds NuGet packages.config fixture.
scanner/testdata/fixtures/mix.lock	Adds Elixir mix lock fixture.
scanner/testdata/fixtures/gradle.lockfile	Adds Gradle lockfile fixture.
scanner/testdata/fixtures/go.mod	Adds Go module fixture.
scanner/testdata/fixtures/datacollector.deps.json	Adds .NET deps.json fixture.
scanner/testdata/fixtures/conan-v2/conan.lock	Adds Conan v2 lock fixture.
scanner/testdata/fixtures/conan-v1/conan.lock	Adds Conan v1 lock fixture.
scanner/testdata/fixtures/bun.lock	Adds Bun lock fixture.
scanner/testdata/fixtures/Podfile.lock	Adds CocoaPods lock fixture.
scanner/testdata/fixtures/Package.resolved	Adds Swift Package.resolved fixture.
scanner/testdata/fixtures/Gemfile.lock	Adds Bundler lock fixture.
scanner/testdata/fixtures/Directory.Packages.props	Adds NuGet Directory.Packages.props fixture.
scanner/testdata/golden/wrong-name-log4j-core.jar.golden.json	Golden output for JAR parsing scenario.
scanner/testdata/golden/uv.lock.golden.json	Golden output for uv.lock parsing.
scanner/testdata/golden/requirements.txt.golden.json	Golden output for requirements.txt parsing.
scanner/testdata/golden/pubspec.lock.golden.json	Golden output for pubspec.lock parsing.
scanner/testdata/golden/pom.xml.golden.json	Golden output for pom.xml parsing.
scanner/testdata/golden/poetry-v2_poetry.lock.golden.json	Golden output for Poetry v2 parsing.
scanner/testdata/golden/poetry-v1_poetry.lock.golden.json	Golden output for Poetry v1 parsing.
scanner/testdata/golden/pnpm_pnpm-lock.yaml.golden.json	Golden output for pnpm lock parsing (empty case).
scanner/testdata/golden/packages.lock.json.golden.json	Golden output for NuGet packages.lock.json parsing.
scanner/testdata/golden/packages.config.golden.json	Golden output for NuGet packages.config parsing.
scanner/testdata/golden/mix.lock.golden.json	Golden output for mix.lock parsing.
scanner/testdata/golden/log4j-core-2.13.0.jar.golden.json	Golden output for JAR parsing scenario.
scanner/testdata/golden/juddiv3-war-3.3.5.war.golden.json	Golden output for WAR parsing scenario.
scanner/testdata/golden/hello-rust.golden.json	Golden output for executable (Rust) parsing path.
scanner/testdata/golden/gradle.lockfile.golden.json	Golden output for Gradle lockfile parsing.
scanner/testdata/golden/gobinary.golden.json	Golden output for executable (Go) parsing path.
scanner/testdata/golden/go.sum.golden.json	Golden output for go.sum-only behavior (empty case).
scanner/testdata/golden/go.mod.golden.json	Golden output for go.mod parsing.
scanner/testdata/golden/datacollector.deps.json.golden.json	Golden output for .NET deps.json parsing.
scanner/testdata/golden/conan-v2_conan.lock.golden.json	Golden output for Conan v2 parsing.
scanner/testdata/golden/conan-v1_conan.lock.golden.json	Golden output for Conan v1 parsing.
scanner/testdata/golden/composer.lock.golden.json	Golden output for composer.lock parsing.
scanner/testdata/golden/bun.lock.golden.json	Golden output for bun.lock parsing.
scanner/testdata/golden/Podfile.lock.golden.json	Golden output for Podfile.lock parsing.
scanner/testdata/golden/Pipfile.lock.golden.json	Golden output for Pipfile.lock parsing.
scanner/testdata/golden/Package.resolved.golden.json	Golden output for Package.resolved parsing.
scanner/testdata/golden/Gemfile.lock.golden.json	Golden output for Gemfile.lock parsing.
scanner/testdata/golden/Directory.Packages.props.golden.json	Golden output for Directory.Packages.props parsing.

Files not reviewed (1)

scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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scanner/dispatch.go

scanner/base.go

scanner/analyze_golden_test.go

- Remove unused parserRustBinary constant (dispatch returns parserGoBinary for all executables, language determined at parse time) - Make suffix-based dispatch case-insensitive (.deps.json, gradle.lockfile) for cross-platform compatibility - Aggregate parse errors into l.warns so they surface in scan results - Remove unused fanal blank imports from golden test file Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Copilot

Pull request overview

This PR refactors the scanner-side dependency analysis to bypass Trivy’s fanal analyzer framework and invoke Trivy dependency parsers directly, primarily to reduce transitive dependencies (notably misconf/IaC scanners) and shrink the scanner-only binary.

Changes:

Reworks AnalyzeLibrary() to dispatch by filename/mode (detectParserType) and call Trivy parsers directly (including a standalone JAR parser entrypoint).
Adds dispatch tests and extensive golden fixtures/tests for lockfile parsing output stability.
Updates/expands scanner test fixtures and golden outputs for multiple ecosystems (Node, Python, Java, .NET, etc).

Reviewed changes

Copilot reviewed 46 out of 69 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
scanner/trivy/jar/jar.go	Replaces fanal post-analyzer registration with a standalone `ParseJAR` function.
scanner/dispatch.go	Adds `parserType` and `detectParserType()` dispatch logic (including exclusions and filemode executable detection).
scanner/dispatch_test.go	Adds table-driven tests validating file-to-parser dispatch behavior.
scanner/base.go	Rewrites `AnalyzeLibrary()` to call Trivy parsers directly; adjusts lockfile scan error handling to warn-and-continue.
scanner/analyze_golden_test.go	Adds golden tests that run `AnalyzeLibrary()` across a suite of fixtures and compare normalized JSON outputs.
scanner/testdata/fixtures/requirements.txt	Adds pip requirements fixture for golden testing.
scanner/testdata/fixtures/pubspec.lock	Adds Dart/pub fixture for golden testing.
scanner/testdata/fixtures/pom.xml	Adds Maven pom fixture for golden testing.
scanner/testdata/fixtures/poetry-v2/poetry.lock	Adds Poetry v2 fixture for golden testing.
scanner/testdata/fixtures/packages.lock.json	Adds NuGet lock fixture for golden testing.
scanner/testdata/fixtures/packages.config	Adds NuGet packages.config fixture for golden testing.
scanner/testdata/fixtures/mix.lock	Adds Elixir mix.lock fixture for golden testing.
scanner/testdata/fixtures/gradle.lockfile	Adds Gradle lockfile fixture for golden testing.
scanner/testdata/fixtures/go.mod	Adds Go module fixture for golden testing.
scanner/testdata/fixtures/datacollector.deps.json	Adds .NET deps.json fixture for golden testing.
scanner/testdata/fixtures/conan-v2/conan.lock	Adds Conan v2 fixture for golden testing.
scanner/testdata/fixtures/conan-v1/conan.lock	Adds Conan v1 fixture for golden testing.
scanner/testdata/fixtures/bun.lock	Adds Bun lock fixture for golden testing.
scanner/testdata/fixtures/Podfile.lock	Adds CocoaPods fixture for golden testing.
scanner/testdata/fixtures/Package.resolved	Adds Swift Package.resolved fixture for golden testing.
scanner/testdata/fixtures/Gemfile.lock	Adds Bundler fixture for golden testing.
scanner/testdata/fixtures/Directory.Packages.props	Adds .NET central packages props fixture for golden testing.
scanner/testdata/golden/wrong-name-log4j-core.jar.golden.json	Adds golden output for a JAR edge-case fixture.
scanner/testdata/golden/uv.lock.golden.json	Adds golden output for uv.lock parsing.
scanner/testdata/golden/requirements.txt.golden.json	Adds golden output for requirements.txt parsing.
scanner/testdata/golden/pubspec.lock.golden.json	Adds golden output for pubspec.lock parsing.
scanner/testdata/golden/pom.xml.golden.json	Adds golden output for pom.xml parsing.
scanner/testdata/golden/poetry-v2_poetry.lock.golden.json	Adds golden output for Poetry v2 lock parsing.
scanner/testdata/golden/poetry-v1_poetry.lock.golden.json	Adds golden output for Poetry v1 lock parsing.
scanner/testdata/golden/pnpm_pnpm-lock.yaml.golden.json	Adds golden output for pnpm-lock.yaml parsing.
scanner/testdata/golden/packages.lock.json.golden.json	Adds golden output for packages.lock.json parsing.
scanner/testdata/golden/packages.config.golden.json	Adds golden output for packages.config parsing.
scanner/testdata/golden/mix.lock.golden.json	Adds golden output for mix.lock parsing.
scanner/testdata/golden/log4j-core-2.13.0.jar.golden.json	Adds golden output for JAR parsing.
scanner/testdata/golden/juddiv3-war-3.3.5.war.golden.json	Adds golden output for WAR parsing.
scanner/testdata/golden/hello-rust.golden.json	Adds golden output for executable (rust) parsing.
scanner/testdata/golden/gradle.lockfile.golden.json	Adds golden output for gradle.lockfile parsing.
scanner/testdata/golden/gobinary.golden.json	Adds golden output for Go binary parsing.
scanner/testdata/golden/go.sum.golden.json	Adds golden output for go.sum (empty) behavior.
scanner/testdata/golden/go.mod.golden.json	Adds golden output for go.mod parsing.
scanner/testdata/golden/datacollector.deps.json.golden.json	Adds golden output for .deps.json parsing.
scanner/testdata/golden/conan-v2_conan.lock.golden.json	Adds golden output for Conan v2 parsing.
scanner/testdata/golden/conan-v1_conan.lock.golden.json	Adds golden output for Conan v1 parsing.
scanner/testdata/golden/composer.lock.golden.json	Adds golden output for composer.lock parsing.
scanner/testdata/golden/bun.lock.golden.json	Adds golden output for bun.lock parsing.
scanner/testdata/golden/Podfile.lock.golden.json	Adds golden output for Podfile.lock parsing.
scanner/testdata/golden/Pipfile.lock.golden.json	Adds golden output for Pipfile.lock parsing.
scanner/testdata/golden/Package.resolved.golden.json	Adds golden output for Package.resolved parsing.
scanner/testdata/golden/Gemfile.lock.golden.json	Adds golden output for Gemfile.lock parsing.
scanner/testdata/golden/Directory.Packages.props.golden.json	Adds golden output for Directory.Packages.props parsing.
go.mod	Updates dependency graph (moves `golang.org/x/sync` to indirect).

Files not reviewed (1)

scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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scanner/dispatch.go

scanner/analyze_golden_test.go

scanner/base.go

Copilot

Pull request overview

This PR refactors the scanner-side library analysis to bypass Trivy’s fanal analyzer framework and invoke Trivy dependency parsers directly, significantly reducing transitive dependencies (notably IaC/misconf) and shrinking the scanner-only binary.

Changes:

Rewires AnalyzeLibrary() to dispatch via detectParserType() and call Trivy parsers directly (including a standalone JAR parser).
Adds dispatch + golden tests and new fixtures/golden outputs to validate parser mapping and output stability.
Adds a make diff-lockfile helper and scripts to compare AnalyzeLibrary() outputs across Git refs using real-world fixtures.

Reviewed changes

Copilot reviewed 50 out of 74 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
scripts/lockfile-fixtures.json	Adds a pinned list of real-world lockfile/binary fixtures for comparison runs.
scripts/compare-lockfile.go	New dev script to fetch fixtures and compare `AnalyzeLibrary()` outputs between current ref and a base ref.
scripts/README.md	Documents the new lockfile diff/regression workflow and fixtures list.
scanner/trivy/jar/jar.go	Replaces fanal post-analyzer registration with a direct `ParseJAR` helper.
scanner/testdata/golden/wrong-name-log4j-core.jar.golden.json	Adds/updates golden output for a JAR parsing case.
scanner/testdata/golden/uv.lock.golden.json	Adds golden output for `uv.lock` parsing.
scanner/testdata/golden/requirements.txt.golden.json	Adds golden output for `requirements.txt` parsing.
scanner/testdata/golden/pubspec.lock.golden.json	Adds golden output for Dart `pubspec.lock` parsing.
scanner/testdata/golden/pom.xml.golden.json	Adds golden output for Maven `pom.xml` parsing.
scanner/testdata/golden/poetry-v2_poetry.lock.golden.json	Adds golden output for Poetry v2 lock parsing.
scanner/testdata/golden/poetry-v1_poetry.lock.golden.json	Adds golden output for Poetry v1 lock parsing.
scanner/testdata/golden/pnpm_pnpm-lock.yaml.golden.json	Adds golden output for pnpm (including an expected-empty/error case).
scanner/testdata/golden/packages.lock.json.golden.json	Adds golden output for NuGet `packages.lock.json`.
scanner/testdata/golden/packages.config.golden.json	Adds golden output for NuGet `packages.config`.
scanner/testdata/golden/mix.lock.golden.json	Adds golden output for Elixir `mix.lock`.
scanner/testdata/golden/log4j-core-2.13.0.jar.golden.json	Adds golden output for JAR parsing.
scanner/testdata/golden/hello-rust.golden.json	Adds golden output for Rust binary parsing.
scanner/testdata/golden/gradle.lockfile.golden.json	Adds golden output for Gradle lockfile parsing.
scanner/testdata/golden/gobinary.golden.json	Adds golden output for Go binary parsing.
scanner/testdata/golden/go.sum.golden.json	Adds golden output for standalone `go.sum` behavior (empty).
scanner/testdata/golden/go.mod.golden.json	Adds golden output for `go.mod` parsing.
scanner/testdata/golden/datacollector.deps.json.golden.json	Adds golden output for `.deps.json` parsing.
scanner/testdata/golden/conan-v2_conan.lock.golden.json	Adds golden output for Conan v2 lock parsing.
scanner/testdata/golden/conan-v1_conan.lock.golden.json	Adds golden output for Conan v1 lock parsing.
scanner/testdata/golden/composer.lock.golden.json	Adds golden output for Composer lock parsing.
scanner/testdata/golden/bun.lock.golden.json	Adds golden output for Bun lock parsing.
scanner/testdata/golden/Podfile.lock.golden.json	Adds golden output for CocoaPods lock parsing.
scanner/testdata/golden/Pipfile.lock.golden.json	Adds golden output for Pipenv lock parsing.
scanner/testdata/golden/Package.resolved.golden.json	Adds golden output for Swift `Package.resolved` parsing.
scanner/testdata/golden/Gemfile.lock.golden.json	Adds golden output for Bundler lock parsing.
scanner/testdata/golden/Directory.Packages.props.golden.json	Adds golden output for `Directory.Packages.props` parsing.
scanner/testdata/fixtures/requirements.txt	Adds a minimal pip requirements fixture.
scanner/testdata/fixtures/pubspec.lock	Adds a Dart pub lock fixture.
scanner/testdata/fixtures/pom.xml	Adds a minimal Maven POM fixture.
scanner/testdata/fixtures/poetry-v2/poetry.lock	Adds a Poetry v2 lock fixture.
scanner/testdata/fixtures/packages.lock.json	Adds a NuGet lock fixture.
scanner/testdata/fixtures/packages.config	Adds a NuGet config fixture.
scanner/testdata/fixtures/mix.lock	Adds an Elixir lock fixture.
scanner/testdata/fixtures/gradle.lockfile	Adds a Gradle lockfile fixture.
scanner/testdata/fixtures/go.mod	Adds a Go module fixture.
scanner/testdata/fixtures/datacollector.deps.json	Adds a .NET deps fixture.
scanner/testdata/fixtures/conan-v2/conan.lock	Adds a Conan v2 fixture.
scanner/testdata/fixtures/conan-v1/conan.lock	Adds a Conan v1 fixture.
scanner/testdata/fixtures/bun.lock	Adds a Bun lock fixture.
scanner/testdata/fixtures/Podfile.lock	Adds a CocoaPods fixture.
scanner/testdata/fixtures/Package.resolved	Adds a Swift resolved fixture.
scanner/testdata/fixtures/Gemfile.lock	Adds a Bundler lock fixture.
scanner/testdata/fixtures/Directory.Packages.props	Adds a `Directory.Packages.props` fixture.
scanner/dispatch_test.go	Adds table-driven tests for parser dispatch behavior (paths, exclusions, case-insensitivity, executable mode).
scanner/dispatch.go	Introduces `detectParserType()` and helpers to map files to parsers without fanal registrations.
scanner/base.go	Rewrites `AnalyzeLibrary()` to call Trivy parsers directly; adjusts error handling in `scanLibraries()`.
scanner/analyze_golden_test.go	Adds golden tests covering many lockfile types and behavior parity checks.
go.mod	Moves `golang.org/x/sync` from direct to indirect requirement due to removed usage.
GNUmakefile	Adds `diff-lockfile` target to run the new comparison script.
.gitignore	Ignores a potential `scripts/compare-lockfile` artifact/binary.

Files not reviewed (1)

scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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scripts/compare-lockfile.go

scanner/base.go

scanner/base.go: - Add Rust binary error types (ErrUnrecognizedExe, ErrNonRustBinary) to parseBinary suppression list - Wrap parse errors with file path context in l.errs scripts/compare-lockfile.go: - Fix file header (compare-analyze.go -> compare-lockfile.go) - Add HTTP client timeout (5 min) - Remove dead code in base runner safe variable Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Copilot

Pull request overview

This PR refactors the scanner’s library analysis flow to bypass Trivy’s fanal analyzer framework and instead dispatch directly to Trivy dependency parsers, reducing transitive dependencies (notably misconf/IaC) and shrinking the scanner-only binary. It also adds regression tooling and golden/dispatch tests to ensure parser output remains unchanged.

Changes:

Replaced fanal-based AnalyzeLibrary() with direct parser dispatch via detectParserType() and parser-specific helpers.
Simplified the JAR analyzer into a standalone ParseJAR() function and updated scanning loops to collect parse errors and continue.
Added regression tooling (make diff-lockfile) plus dispatch and golden tests with new fixtures/golden outputs.

Reviewed changes

Copilot reviewed 52 out of 76 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
scripts/lockfile-fixtures.json	Defines real-world fixtures used by the A/B comparison tool.
scripts/compare-lockfile.go	Adds a Git-ref comparison tool for `AnalyzeLibrary()` output across fixtures.
scripts/README.md	Documents `diff-lockfile` usage and fixture maintenance.
scanner/windows.go	Changes library scan behavior to collect parse errors and continue.
scanner/trivy/jar/jar.go	Replaces fanal post-analyzer integration with standalone `ParseJAR()`.
scanner/pseudo.go	Changes library scan behavior to collect parse errors and continue.
scanner/dispatch_test.go	Adds table-driven tests for file-to-parser dispatch logic.
scanner/dispatch.go	Introduces `parserType` and `detectParserType()` dispatch logic.
scanner/base.go	Rewrites `AnalyzeLibrary()` to call Trivy parsers directly; updates error handling to continue scanning.
scanner/analyze_golden_test.go	Adds golden tests for `AnalyzeLibrary()` output across many lockfile types/artifacts.
scanner/testdata/golden/wrong-name-log4j-core.jar.golden.json	Golden output for JAR parsing edge case.
scanner/testdata/golden/uv.lock.golden.json	Golden output for uv lock parsing.
scanner/testdata/golden/requirements.txt.golden.json	Golden output for pip requirements parsing.
scanner/testdata/golden/pubspec.lock.golden.json	Golden output for Dart pub lock parsing.
scanner/testdata/golden/pom.xml.golden.json	Golden output for Maven pom parsing.
scanner/testdata/golden/poetry-v2_poetry.lock.golden.json	Golden output for Poetry v2 lock parsing.
scanner/testdata/golden/poetry-v1_poetry.lock.golden.json	Golden output for Poetry v1 lock parsing.
scanner/testdata/golden/pnpm_pnpm-lock.yaml.golden.json	Golden output for pnpm fixture (empty on parse error).
scanner/testdata/golden/packages.lock.json.golden.json	Golden output for NuGet packages.lock.json parsing.
scanner/testdata/golden/packages.config.golden.json	Golden output for NuGet packages.config parsing.
scanner/testdata/golden/mix.lock.golden.json	Golden output for Elixir mix.lock parsing.
scanner/testdata/golden/log4j-core-2.13.0.jar.golden.json	Golden output for JAR parsing.
scanner/testdata/golden/hello-rust.golden.json	Golden output for Rust binary parsing.
scanner/testdata/golden/gradle.lockfile.golden.json	Golden output for Gradle lockfile parsing.
scanner/testdata/golden/gobinary.golden.json	Golden output for Go binary parsing.
scanner/testdata/golden/go.sum.golden.json	Golden output for go.sum (expected empty).
scanner/testdata/golden/go.mod.golden.json	Golden output for go.mod parsing.
scanner/testdata/golden/datacollector.deps.json.golden.json	Golden output for .NET deps.json parsing.
scanner/testdata/golden/conan-v2_conan.lock.golden.json	Golden output for Conan v2 lock parsing.
scanner/testdata/golden/conan-v1_conan.lock.golden.json	Golden output for Conan v1 lock parsing.
scanner/testdata/golden/composer.lock.golden.json	Golden output for Composer lock parsing.
scanner/testdata/golden/bun.lock.golden.json	Golden output for Bun lock parsing.
scanner/testdata/golden/Podfile.lock.golden.json	Golden output for CocoaPods lock parsing.
scanner/testdata/golden/Pipfile.lock.golden.json	Golden output for Pipenv lock parsing.
scanner/testdata/golden/Package.resolved.golden.json	Golden output for Swift Package.resolved parsing.
scanner/testdata/golden/Gemfile.lock.golden.json	Golden output for Bundler lock parsing.
scanner/testdata/golden/Directory.Packages.props.golden.json	Golden output for .NET Directory.Packages.props parsing.
scanner/testdata/fixtures/requirements.txt	Adds pip requirements fixture for golden tests.
scanner/testdata/fixtures/pubspec.lock	Adds Dart pubspec.lock fixture for golden tests.
scanner/testdata/fixtures/pom.xml	Adds Maven pom.xml fixture for golden tests.
scanner/testdata/fixtures/poetry-v2/poetry.lock	Adds Poetry v2 fixture for golden tests.
scanner/testdata/fixtures/packages.lock.json	Adds NuGet packages.lock.json fixture for golden tests.
scanner/testdata/fixtures/packages.config	Adds NuGet packages.config fixture for golden tests.
scanner/testdata/fixtures/mix.lock	Adds mix.lock fixture for golden tests.
scanner/testdata/fixtures/gradle.lockfile	Adds Gradle lockfile fixture for golden tests.
scanner/testdata/fixtures/go.mod	Adds go.mod fixture for golden tests.
scanner/testdata/fixtures/datacollector.deps.json	Adds .NET deps.json fixture for golden tests.
scanner/testdata/fixtures/conan-v2/conan.lock	Adds Conan v2 fixture for golden tests.
scanner/testdata/fixtures/conan-v1/conan.lock	Adds Conan v1 fixture for golden tests.
scanner/testdata/fixtures/bun.lock	Adds Bun lock fixture for golden tests.
scanner/testdata/fixtures/Podfile.lock	Adds CocoaPods lock fixture for golden tests.
scanner/testdata/fixtures/Package.resolved	Adds Swift Package.resolved fixture for golden tests.
scanner/testdata/fixtures/Gemfile.lock	Adds Bundler lock fixture for golden tests.
scanner/testdata/fixtures/Directory.Packages.props	Adds Directory.Packages.props fixture for golden tests.
go.mod	Updates module requirements to reflect removal of fanal/errgroup usage.
GNUmakefile	Adds `diff-lockfile` target to run the comparison tool.
.gitignore	Ignores the optional built comparison binary output under scripts/.

Files not reviewed (1)

scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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scripts/compare-lockfile.go

scanner/analyze_golden_test.go

Copilot

Pull request overview

This PR refactors the scanner’s library analysis to bypass Trivy’s fanal analyzer framework and invoke Trivy dependency parsers directly, primarily to reduce transitive dependencies (notably IaC/misconf) and shrink the scanner-only binary.

Changes:

Rewires AnalyzeLibrary() to dispatch via detectParserType() and call Trivy parsers directly (including a standalone JAR parser).
Adds dispatch and golden tests to validate parser selection and output stability across many lockfile formats.
Introduces a diff-lockfile developer workflow (fixtures + compare script + README) to A/B compare results between Git refs using real-world lockfiles.

Reviewed changes

Copilot reviewed 52 out of 76 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
`scanner/base.go`	Replaces fanal-based analysis with direct Trivy parser calls and continues scanning on per-lockfile parse errors.
`scanner/dispatch.go`	Adds file-to-parser dispatch logic (`detectParserType`) used by the new direct parsing flow.
`scanner/dispatch_test.go`	Adds table-driven tests for dispatch behavior and exclusion rules.
`scanner/trivy/jar/jar.go`	Converts JAR parsing into a standalone function callable without fanal post-analyzers.
`scanner/analyze_golden_test.go`	Adds golden tests covering many lockfile formats (skipping binary fixtures if the integration submodule isn’t present).
`scanner/{windows.go,pseudo.go}`	Changes library scan behavior to collect parse errors and continue scanning remaining lockfiles.
`scanner/testdata/**`	Adds/updates fixtures and golden outputs for the new parsing path.
`scripts/compare-lockfile.go`	Adds a comparison utility to diff `AnalyzeLibrary()` output between current ref and a base ref using fetched fixtures.
`scripts/lockfile-fixtures.json`	Defines the real-world fixture list (URLs, filemodes, archive paths).
`scripts/README.md`	Documents `diff-lockfile` usage and fixture format.
`GNUmakefile`	Adds `make diff-lockfile` target.
`go.mod`	Updates dependency classification after removing fanal/errgroup usage.
`.gitignore`	Ignores a local `scripts/compare-lockfile` artifact.

Files not reviewed (1)

scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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scripts/compare-lockfile.go

scanner/base.go

Copilot

Pull request overview

This PR removes reliance on Trivy’s fanal analyzer framework for library/lockfile analysis and instead dispatches directly to Trivy dependency parsers, primarily to reduce transitive dependencies (notably misconf/IaC scanners) and shrink the scanner-only binary.

Changes:

Reworked AnalyzeLibrary() to use a new detectParserType() dispatcher and call Trivy parsers directly (including a standalone JAR parser entrypoint).
Changed library scanning to collect parse errors and continue scanning remaining lockfiles, surfacing errors via ScanResult.Errors.
Added regression tooling and fixtures (make diff-lockfile, comparison script, fixture list) plus extensive golden/dispatch tests and fixture updates.

Reviewed changes

Copilot reviewed 52 out of 76 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
scripts/lockfile-fixtures.json	Defines real-world fixtures for A/B comparison runs.
scripts/compare-lockfile.go	Adds a Git-ref comparison tool for `AnalyzeLibrary()` output.
scripts/README.md	Documents `diff-lockfile` workflow and fixture management.
scanner/windows.go	Continues scanning on lockfile parse errors and records errors.
scanner/trivy/jar/jar.go	Replaces fanal post-analyzer registration with a standalone `ParseJAR` function.
scanner/testdata/golden/wrong-name-log4j-core.jar.golden.json	Golden output for JAR edge case fixture.
scanner/testdata/golden/uv.lock.golden.json	Golden output for uv lockfile fixture.
scanner/testdata/golden/requirements.txt.golden.json	Golden output for pip requirements fixture.
scanner/testdata/golden/pubspec.lock.golden.json	Golden output for Dart pubspec lock fixture.
scanner/testdata/golden/pom.xml.golden.json	Golden output for Maven pom fixture.
scanner/testdata/golden/poetry-v2_poetry.lock.golden.json	Golden output for Poetry v2 fixture.
scanner/testdata/golden/poetry-v1_poetry.lock.golden.json	Golden output for Poetry v1 fixture.
scanner/testdata/golden/pnpm_pnpm-lock.yaml.golden.json	Golden output for pnpm fixture (expected empty/parse-error behavior).
scanner/testdata/golden/packages.lock.json.golden.json	Golden output for NuGet lock fixture.
scanner/testdata/golden/packages.config.golden.json	Golden output for NuGet packages.config fixture.
scanner/testdata/golden/mix.lock.golden.json	Golden output for Elixir mix.lock fixture.
scanner/testdata/golden/log4j-core-2.13.0.jar.golden.json	Golden output for log4j-core JAR fixture.
scanner/testdata/golden/hello-rust.golden.json	Golden output for Rust binary fixture.
scanner/testdata/golden/gradle.lockfile.golden.json	Golden output for Gradle lockfile fixture.
scanner/testdata/golden/gobinary.golden.json	Golden output for Go binary fixture.
scanner/testdata/golden/go.sum.golden.json	Golden output for go.sum fixture (expected empty behavior).
scanner/testdata/golden/go.mod.golden.json	Golden output for go.mod fixture.
scanner/testdata/golden/datacollector.deps.json.golden.json	Golden output for .deps.json fixture.
scanner/testdata/golden/conan-v2_conan.lock.golden.json	Golden output for Conan v2 fixture.
scanner/testdata/golden/conan-v1_conan.lock.golden.json	Golden output for Conan v1 fixture.
scanner/testdata/golden/composer.lock.golden.json	Golden output for composer.lock fixture.
scanner/testdata/golden/bun.lock.golden.json	Golden output for bun.lock fixture.
scanner/testdata/golden/Podfile.lock.golden.json	Golden output for CocoaPods lock fixture.
scanner/testdata/golden/Pipfile.lock.golden.json	Golden output for Pipenv fixture.
scanner/testdata/golden/Package.resolved.golden.json	Golden output for Swift resolved fixture.
scanner/testdata/golden/Gemfile.lock.golden.json	Golden output for Bundler fixture.
scanner/testdata/golden/Directory.Packages.props.golden.json	Golden output for Directory.Packages.props fixture.
scanner/testdata/fixtures/requirements.txt	Adds minimal pip requirements fixture.
scanner/testdata/fixtures/pubspec.lock	Adds Dart pubspec.lock fixture.
scanner/testdata/fixtures/pom.xml	Adds minimal Maven pom fixture.
scanner/testdata/fixtures/poetry-v2/poetry.lock	Adds Poetry v2 fixture.
scanner/testdata/fixtures/packages.lock.json	Adds NuGet lock fixture.
scanner/testdata/fixtures/packages.config	Adds NuGet packages.config fixture.
scanner/testdata/fixtures/mix.lock	Adds Elixir mix.lock fixture.
scanner/testdata/fixtures/gradle.lockfile	Adds Gradle lockfile fixture.
scanner/testdata/fixtures/go.mod	Adds Go module fixture.
scanner/testdata/fixtures/datacollector.deps.json	Adds .NET deps.json fixture.
scanner/testdata/fixtures/conan-v2/conan.lock	Adds Conan v2 lock fixture.
scanner/testdata/fixtures/conan-v1/conan.lock	Adds Conan v1 lock fixture.
scanner/testdata/fixtures/bun.lock	Adds Bun lock fixture.
scanner/testdata/fixtures/Podfile.lock	Adds CocoaPods lock fixture.
scanner/testdata/fixtures/Package.resolved	Adds Swift Package.resolved fixture.
scanner/testdata/fixtures/Gemfile.lock	Adds Bundler lock fixture.
scanner/testdata/fixtures/Directory.Packages.props	Adds Directory.Packages.props fixture.
scanner/pseudo.go	Continues scanning on lockfile parse errors and records errors (pseudo mode).
scanner/dispatch_test.go	Adds table-driven tests for file→parser dispatch logic.
scanner/dispatch.go	Introduces `detectParserType()` dispatch logic for direct parser calls.
scanner/base.go	Core refactor: direct Trivy parser calls, new dispatch/parse helpers, error-collection behavior.
scanner/analyze_golden_test.go	Adds golden tests covering many parser types and edge cases (skipping integration submodule binaries when absent).
go.mod	Adjusts dependency graph after removing fanal usage (x/sync becomes indirect).
GNUmakefile	Adds `diff-lockfile` make target for regression comparisons.
.gitignore	Ignores an optional built `scripts/compare-lockfile` binary.

Files not reviewed (1)

scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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scripts/compare-lockfile.go

Copilot

Pull request overview

This PR removes the Trivy fanal analyzer framework from the scanner path and switches AnalyzeLibrary() to dispatch directly to Trivy dependency parsers, aiming to reduce transitive dependencies (notably IaC/misconf) and shrink the scanner-only binary size.

Changes:

Rewires AnalyzeLibrary() to use detectParserType() + direct Trivy parser calls (including a standalone JAR parser).
Updates library-scanning flows to collect per-lockfile parse errors while continuing to scan remaining files.
Adds regression tooling: table-driven dispatch tests, AnalyzeLibrary golden tests + fixtures, and a make diff-lockfile comparison script with real-world fixtures.

Reviewed changes

Copilot reviewed 52 out of 76 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
scripts/lockfile-fixtures.json	Defines real-world fixtures (URLs + metadata) for lockfile comparison runs.
scripts/compare-lockfile.go	Adds a dev-only tool to compare `AnalyzeLibrary()` output across Git refs using downloaded fixtures.
scripts/README.md	Documents the `diff-lockfile` workflow and how to add fixtures.
scanner/windows.go	Changes lockfile parse failures to be collected and scanning to continue.
scanner/trivy/jar/jar.go	Refactors JAR parsing into a standalone `ParseJAR` function (no fanal registration).
scanner/pseudo.go	Changes lockfile parse failures to be collected and scanning to continue (pseudo mode).
scanner/dispatch_test.go	Adds table-driven tests for file-to-parser dispatch behavior.
scanner/dispatch.go	Introduces `detectParserType()` and helper logic for dispatching files to parsers.
scanner/base.go	Replaces fanal-based library analysis with direct Trivy parser calls; adds helper parsing functions.
scanner/analyze_golden_test.go	Adds golden tests to ensure parser output remains stable across supported lockfile types.
go.mod	Removes direct dependency on `golang.org/x/sync` (now indirect) due to fanal removal.
GNUmakefile	Adds `diff-lockfile` make target to run the comparison tool.
.gitignore	Ignores a locally built `scripts/compare-lockfile` binary.
scanner/testdata/golden/wrong-name-log4j-core.jar.golden.json	Golden output for “wrong-name-log4j-core.jar”.
scanner/testdata/golden/uv.lock.golden.json	Golden output for `uv.lock`.
scanner/testdata/golden/requirements.txt.golden.json	Golden output for `requirements.txt`.
scanner/testdata/golden/pubspec.lock.golden.json	Golden output for `pubspec.lock`.
scanner/testdata/golden/pom.xml.golden.json	Golden output for `pom.xml`.
scanner/testdata/golden/poetry-v2_poetry.lock.golden.json	Golden output for `poetry-v2/poetry.lock`.
scanner/testdata/golden/poetry-v1_poetry.lock.golden.json	Golden output for `poetry-v1/poetry.lock`.
scanner/testdata/golden/pnpm_pnpm-lock.yaml.golden.json	Golden output for pnpm v8 fixture (expected empty due to known parse error).
scanner/testdata/golden/packages.lock.json.golden.json	Golden output for `packages.lock.json`.
scanner/testdata/golden/packages.config.golden.json	Golden output for `packages.config`.
scanner/testdata/golden/mix.lock.golden.json	Golden output for `mix.lock`.
scanner/testdata/golden/log4j-core-2.13.0.jar.golden.json	Golden output for `log4j-core-2.13.0.jar`.
scanner/testdata/golden/hello-rust.golden.json	Golden output for `hello-rust` binary fixture.
scanner/testdata/golden/gradle.lockfile.golden.json	Golden output for `gradle.lockfile`.
scanner/testdata/golden/gobinary.golden.json	Golden output for Go binary fixture.
scanner/testdata/golden/go.sum.golden.json	Golden output for standalone `go.sum` behavior (empty).
scanner/testdata/golden/go.mod.golden.json	Golden output for `go.mod`.
scanner/testdata/golden/datacollector.deps.json.golden.json	Golden output for `.deps.json` fixture.
scanner/testdata/golden/conan-v2_conan.lock.golden.json	Golden output for Conan v2 lock fixture.
scanner/testdata/golden/conan-v1_conan.lock.golden.json	Golden output for Conan v1 lock fixture.
scanner/testdata/golden/composer.lock.golden.json	Golden output for `composer.lock`.
scanner/testdata/golden/bun.lock.golden.json	Golden output for `bun.lock`.
scanner/testdata/golden/Podfile.lock.golden.json	Golden output for `Podfile.lock`.
scanner/testdata/golden/Pipfile.lock.golden.json	Golden output for `Pipfile.lock`.
scanner/testdata/golden/Package.resolved.golden.json	Golden output for `Package.resolved`.
scanner/testdata/golden/Gemfile.lock.golden.json	Golden output for `Gemfile.lock`.
scanner/testdata/golden/Directory.Packages.props.golden.json	Golden output for `Directory.Packages.props`.
scanner/testdata/fixtures/requirements.txt	Adds committed fixture for pip requirements parsing.
scanner/testdata/fixtures/pubspec.lock	Adds committed fixture for Dart pub lock parsing.
scanner/testdata/fixtures/pom.xml	Adds committed fixture for Maven POM parsing.
scanner/testdata/fixtures/poetry-v2/poetry.lock	Adds committed fixture for Poetry v2 parsing.
scanner/testdata/fixtures/packages.lock.json	Adds committed fixture for NuGet lock parsing.
scanner/testdata/fixtures/packages.config	Adds committed fixture for NuGet packages.config parsing.
scanner/testdata/fixtures/mix.lock	Adds committed fixture for Elixir mix.lock parsing.
scanner/testdata/fixtures/gradle.lockfile	Adds committed fixture for Gradle lockfile parsing.
scanner/testdata/fixtures/go.mod	Adds committed fixture for Go module parsing.
scanner/testdata/fixtures/datacollector.deps.json	Adds committed fixture for .NET deps parsing.
scanner/testdata/fixtures/conan-v2/conan.lock	Adds committed fixture for Conan v2 parsing.
scanner/testdata/fixtures/conan-v1/conan.lock	Adds committed fixture for Conan v1 parsing.
scanner/testdata/fixtures/bun.lock	Adds committed fixture for Bun lock parsing.
scanner/testdata/fixtures/Podfile.lock	Adds committed fixture for CocoaPods lock parsing.
scanner/testdata/fixtures/Package.resolved	Adds committed fixture for SwiftPM resolved parsing.
scanner/testdata/fixtures/Gemfile.lock	Adds committed fixture for Bundler lock parsing.
scanner/testdata/fixtures/Directory.Packages.props	Adds committed fixture for .NET packages props parsing.

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scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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scripts/compare-lockfile.go

Copilot

Pull request overview

This PR removes the Trivy fanal analyzer framework from the scanner-only path and instead dispatches directly to Trivy’s dependency parsers, significantly reducing the scanner binary size and transitive dependency footprint (notably eliminating IaC/misconf-related packages).

Changes:

Rewrites AnalyzeLibrary() to use detectParserType() + direct Trivy parser calls (including a standalone JAR parser entrypoint).
Changes library scanning to collect per-lockfile parse errors and continue scanning remaining lockfiles (errors surfaced via ScanResult.Errors).
Adds regression tooling and tests: dispatch unit tests, extensive golden fixtures, and a make diff-lockfile A/B comparison script.

Reviewed changes

Copilot reviewed 52 out of 76 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
scripts/lockfile-fixtures.json	Defines real-world lockfile/binary fixtures used for cross-ref comparisons.
scripts/compare-lockfile.go	Adds an A/B comparison tool to diff `AnalyzeLibrary()` output between Git refs.
scripts/README.md	Documents the new `diff-lockfile` workflow and fixture format.
scanner/base.go	Replaces fanal-based analysis with direct Trivy parser calls; adds parse dispatch helpers.
scanner/dispatch.go	Introduces `detectParserType()` to map files to parsers (mirrors fanal Required logic).
scanner/dispatch_test.go	Adds table-driven tests covering file-to-parser dispatch edge cases.
scanner/trivy/jar/jar.go	Refactors JAR parsing into a standalone `ParseJAR()` function callable directly.
scanner/windows.go	Changes lockfile scan flow to continue on parse errors and record them in `errs`.
scanner/pseudo.go	Changes lockfile scan flow to continue on parse errors and record them in `errs`.
scanner/analyze_golden_test.go	Adds golden tests for `AnalyzeLibrary()` across many lockfile types and binaries (with submodule-aware skips).
scanner/testdata/golden/wrong-name-log4j-core.jar.golden.json	Adds golden output for a JAR edge case fixture.
scanner/testdata/golden/uv.lock.golden.json	Adds golden output for `uv.lock` parsing.
scanner/testdata/golden/requirements.txt.golden.json	Adds golden output for pip requirements parsing.
scanner/testdata/golden/pubspec.lock.golden.json	Adds golden output for Dart pub lock parsing.
scanner/testdata/golden/pom.xml.golden.json	Adds golden output for Maven POM parsing.
scanner/testdata/golden/poetry-v2_poetry.lock.golden.json	Adds golden output for Poetry v2 lock parsing.
scanner/testdata/golden/poetry-v1_poetry.lock.golden.json	Adds golden output for Poetry v1 lock parsing.
scanner/testdata/golden/pnpm_pnpm-lock.yaml.golden.json	Adds golden output for pnpm fixture (notably empty for known parse-error case).
scanner/testdata/golden/packages.lock.json.golden.json	Adds golden output for NuGet packages.lock.json parsing.
scanner/testdata/golden/packages.config.golden.json	Adds golden output for NuGet packages.config parsing.
scanner/testdata/golden/mix.lock.golden.json	Adds golden output for Elixir mix lock parsing.
scanner/testdata/golden/log4j-core-2.13.0.jar.golden.json	Adds golden output for log4j-core JAR parsing.
scanner/testdata/golden/hello-rust.golden.json	Adds golden output for Rust binary fixture parsing.
scanner/testdata/golden/gradle.lockfile.golden.json	Adds golden output for Gradle lockfile parsing.
scanner/testdata/golden/gobinary.golden.json	Adds golden output for Go binary fixture parsing.
scanner/testdata/golden/go.sum.golden.json	Adds golden output for go.sum behavior (empty when standalone).
scanner/testdata/golden/go.mod.golden.json	Adds golden output for go.mod parsing.
scanner/testdata/golden/datacollector.deps.json.golden.json	Adds golden output for .NET deps.json parsing.
scanner/testdata/golden/conan-v2_conan.lock.golden.json	Adds golden output for Conan v2 lock parsing.
scanner/testdata/golden/conan-v1_conan.lock.golden.json	Adds golden output for Conan v1 lock parsing.
scanner/testdata/golden/composer.lock.golden.json	Adds golden output for Composer lock parsing.
scanner/testdata/golden/bun.lock.golden.json	Adds golden output for Bun lock parsing.
scanner/testdata/golden/Directory.Packages.props.golden.json	Adds golden output for NuGet Directory.Packages.props parsing.
scanner/testdata/fixtures/requirements.txt	Adds a pip requirements fixture.
scanner/testdata/fixtures/pubspec.lock	Adds a Dart pubspec.lock fixture.
scanner/testdata/fixtures/pom.xml	Adds a Maven POM fixture.
scanner/testdata/fixtures/poetry-v2/poetry.lock	Adds a Poetry v2 lock fixture.
scanner/testdata/fixtures/packages.lock.json	Adds a NuGet packages.lock.json fixture.
scanner/testdata/fixtures/packages.config	Adds a NuGet packages.config fixture.
scanner/testdata/fixtures/mix.lock	Adds an Elixir mix.lock fixture.
scanner/testdata/fixtures/gradle.lockfile	Adds a Gradle lockfile fixture.
scanner/testdata/fixtures/go.mod	Adds a Go module fixture.
scanner/testdata/fixtures/datacollector.deps.json	Adds a .NET deps.json fixture.
scanner/testdata/fixtures/conan-v2/conan.lock	Adds a Conan v2 lock fixture.
scanner/testdata/fixtures/conan-v1/conan.lock	Adds a Conan v1 lock fixture.
scanner/testdata/fixtures/bun.lock	Adds a Bun lock fixture.
scanner/testdata/fixtures/Podfile.lock	Adds a CocoaPods lock fixture.
scanner/testdata/fixtures/Package.resolved	Adds a Swift Package.resolved fixture.
scanner/testdata/fixtures/Gemfile.lock	Adds a Bundler Gemfile.lock fixture.
scanner/testdata/fixtures/Directory.Packages.props	Adds a Directory.Packages.props fixture.
GNUmakefile	Adds a `diff-lockfile` make target to run the comparison tool.
.gitignore	Ignores a potential built `scripts/compare-lockfile` artifact.
go.mod	Adjusts module requirements after removing direct fanal usage (moves x/sync to indirect).

Files not reviewed (1)

scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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scanner/pseudo.go

scanner/windows.go

Copilot

Pull request overview

This PR refactors the scanner’s language/library analysis to bypass Trivy’s fanal analyzer framework and call Trivy dependency parsers directly, significantly reducing transitive dependencies and scanner-only binary size. It also adds regression tooling and expanded golden/dispatch tests to ensure parser behavior remains consistent.

Changes:

Rewrite AnalyzeLibrary() to dispatch via detectParserType() and call Trivy parsers directly (including a standalone JAR parser).
Change library scanning to collect parse errors and continue scanning remaining lockfiles, surfacing errors in ScanResult.Errors.
Add make diff-lockfile tooling plus fixtures and expanded golden tests for parser regression coverage.

Reviewed changes

Copilot reviewed 52 out of 76 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
scripts/lockfile-fixtures.json	Defines real-world fixtures for A/B regression comparisons.
scripts/compare-lockfile.go	Adds a git-ref comparison tool to validate `AnalyzeLibrary()` output across refs.
scripts/README.md	Documents the `diff-lockfile` workflow and fixture management.
scanner/windows.go	Continues scanning on lockfile parse errors; collects errors into scan result.
scanner/trivy/jar/jar.go	Replaces fanal post-analyzer with direct `ParseJAR` function.
scanner/pseudo.go	Continues scanning on lockfile parse errors; collects errors into scan result.
scanner/dispatch_test.go	Adds table-driven tests for file-to-parser dispatch behavior.
scanner/dispatch.go	Introduces `parserType` + `detectParserType()` dispatch logic.
scanner/base.go	Refactors `AnalyzeLibrary()` to call Trivy parsers directly and removes fanal wiring/registrations.
scanner/analyze_golden_test.go	Adds/updates golden tests for `AnalyzeLibrary()` across many fixture types (skips binary fixtures if submodule absent).
go.mod	Adjusts module requirements after removing direct fanal usage.
GNUmakefile	Adds `diff-lockfile` target for regression comparisons.
.gitignore	Ignores the `scripts/compare-lockfile` output artifact.
scanner/testdata/golden/wrong-name-log4j-core.jar.golden.json	Golden output for JAR “wrong name” edge case.
scanner/testdata/golden/uv.lock.golden.json	Golden output for `uv.lock`.
scanner/testdata/golden/requirements.txt.golden.json	Golden output for `requirements.txt`.
scanner/testdata/golden/pubspec.lock.golden.json	Golden output for `pubspec.lock`.
scanner/testdata/golden/pom.xml.golden.json	Golden output for `pom.xml`.
scanner/testdata/golden/poetry-v2_poetry.lock.golden.json	Golden output for Poetry v2 lockfile fixture.
scanner/testdata/golden/poetry-v1_poetry.lock.golden.json	Golden output for Poetry v1 lockfile fixture.
scanner/testdata/golden/pnpm_pnpm-lock.yaml.golden.json	Golden output covering known pnpm parse-error behavior (empty result).
scanner/testdata/golden/packages.lock.json.golden.json	Golden output for NuGet `packages.lock.json`.
scanner/testdata/golden/packages.config.golden.json	Golden output for NuGet `packages.config`.
scanner/testdata/golden/mix.lock.golden.json	Golden output for Elixir `mix.lock`.
scanner/testdata/golden/log4j-core-2.13.0.jar.golden.json	Golden output for JAR parsing.
scanner/testdata/golden/hello-rust.golden.json	Golden output for Rust binary parsing.
scanner/testdata/golden/gradle.lockfile.golden.json	Golden output for Gradle lockfile parsing.
scanner/testdata/golden/gobinary.golden.json	Golden output for Go binary parsing.
scanner/testdata/golden/go.sum.golden.json	Golden output for `go.sum` behavior (no results standalone).
scanner/testdata/golden/go.mod.golden.json	Golden output for Go module parsing.
scanner/testdata/golden/datacollector.deps.json.golden.json	Golden output for .NET deps JSON parsing.
scanner/testdata/golden/conan-v2_conan.lock.golden.json	Golden output for Conan v2 lockfile parsing.
scanner/testdata/golden/conan-v1_conan.lock.golden.json	Golden output for Conan v1 lockfile parsing.
scanner/testdata/golden/composer.lock.golden.json	Golden output for Composer lockfile parsing.
scanner/testdata/golden/bun.lock.golden.json	Golden output for Bun lockfile parsing.
scanner/testdata/golden/Podfile.lock.golden.json	Golden output for CocoaPods lockfile parsing.
scanner/testdata/golden/Pipfile.lock.golden.json	Golden output for Pipenv lockfile parsing.
scanner/testdata/golden/Package.resolved.golden.json	Golden output for Swift Package.resolved parsing.
scanner/testdata/golden/Gemfile.lock.golden.json	Golden output for Bundler Gemfile.lock parsing.
scanner/testdata/golden/Directory.Packages.props.golden.json	Golden output for NuGet Directory.Packages.props parsing.
scanner/testdata/fixtures/requirements.txt	Adds `requirements.txt` fixture.
scanner/testdata/fixtures/pubspec.lock	Adds `pubspec.lock` fixture.
scanner/testdata/fixtures/pom.xml	Adds `pom.xml` fixture.
scanner/testdata/fixtures/poetry-v2/poetry.lock	Adds Poetry v2 lockfile fixture.
scanner/testdata/fixtures/packages.lock.json	Adds NuGet lockfile fixture.
scanner/testdata/fixtures/packages.config	Adds NuGet config fixture.
scanner/testdata/fixtures/mix.lock	Adds Elixir lockfile fixture.
scanner/testdata/fixtures/gradle.lockfile	Adds Gradle lockfile fixture.
scanner/testdata/fixtures/go.mod	Adds Go module fixture.
scanner/testdata/fixtures/datacollector.deps.json	Adds .NET deps JSON fixture.
scanner/testdata/fixtures/conan-v2/conan.lock	Adds Conan v2 fixture.
scanner/testdata/fixtures/conan-v1/conan.lock	Adds Conan v1 fixture.
scanner/testdata/fixtures/bun.lock	Adds Bun lockfile fixture.
scanner/testdata/fixtures/Podfile.lock	Adds CocoaPods fixture.
scanner/testdata/fixtures/Package.resolved	Adds Swift Package.resolved fixture.
scanner/testdata/fixtures/Gemfile.lock	Adds Bundler fixture.
scanner/testdata/fixtures/Directory.Packages.props	Adds NuGet Directory.Packages.props fixture.

Files not reviewed (1)

scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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scripts/README.md

scripts/compare-lockfile.go

kotakanbe · 2026-03-23T20:56:30Z

Response to Copilot review (review-3994608680)

scanner/analyze_golden_test.go — unmarshal array into single struct
Already fixed in 3c8a234. The test now unmarshals into []goldenLibraryScanner and sums lib counts across elements.

scripts/README.md — fixture count mismatch (134 vs 129)
Updated the PR description to use the correct count (129). The original 134 was from an earlier iteration that included additional ecosystems (gradle, nuget, conan, pub, cocoapods) which were later consolidated. Thanks for catching the inconsistency.

Copilot

Pull request overview

Copilot reviewed 56 out of 80 changed files in this pull request and generated no new comments.

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scanner/testdata/fixtures/npm-v1/package-lock.json: Language not supported

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shino · 2026-03-24T09:45:22Z

make compare-lockfile shows two patterns for pnpm dev flags, one is added and another is removed. Is this known pattern?

% cat /tmp/diet-compare/comparison.log
[snip]
DIFFERENT  pnpm         withastro/astro
--- /tmp/diet-compare/result-base/withastro_astro__pnpm-lock.yaml.result.json   2026-03-24 18:28:22.515640602 +0900
+++ /tmp/diet-compare/result-current/withastro_astro__pnpm-lock.yaml.result.json        2026-03-24 18:28:11.119634294 +0900
@@ -1634,13 +1634,13 @@
       {
         "name": "@types/alpinejs",
         "version": "3.13.10",
-        "purl": "pkg:npm/%40types/alpinejs@3.13.10"
+        "purl": "pkg:npm/%40types/alpinejs@3.13.10",
+        "dev": true
       },
[snip]
DIFFERENT  pnpm         pnpm/pnpm
--- /tmp/diet-compare/result-base/pnpm_pnpm__pnpm-lock.yaml.result.json 2026-03-24 18:28:22.583640772 +0900
+++ /tmp/diet-compare/result-current/pnpm_pnpm__pnpm-lock.yaml.result.json      2026-03-24 18:28:11.179634268 +0900
@@ -1377,8 +1377,7 @@
       {
         "name": "@pnpm/fs.packlist",
         "version": "2.0.0",
-        "purl": "pkg:npm/%40pnpm/fs.packlist@2.0.0",
-        "dev": true
+        "purl": "pkg:npm/%40pnpm/fs.packlist@2.0.0"
       },
       {
         "name": "@pnpm/git-utils",
[snip]

shino

Aside one tiny nitpick comment, this PR is GREAT!! Can't thank you enough!

kotakanbe · 2026-03-24T21:28:12Z

@shino Good catch — the PR description's characterization ("dev: true being added or corrected, pre-existing bug in master") was inaccurate. The bidirectional changes you spotted (dev added in one package, removed in another) reveal a real issue.

Root cause: non-determinism in Trivy's pnpm v9 parser

This is caused by Go map iteration non-determinism in Trivy's parseV9().

In trivy/pkg/dependency/parser/nodejs/pnpm/parse.go L170:

for _, importer := range lockFile.Importers {   // map iteration = non-deterministic
    for n, v := range importer.DevDependencies {
        devDeps[n] = v.Version                   // last write wins
    }
    for n, v := range importer.Dependencies {
        deps[n] = v.Version                      // last write wins
    }
}

In monorepo lockfiles (like pnpm/pnpm), the same package can be referenced from multiple importers with different version specifiers. For example, @pnpm/fs.packlist in the pnpm/pnpm lockfile:

# fetching/git-fetcher — registry version
dependencies:
  '@pnpm/fs.packlist':
    version: 2.0.0

# fetching/directory-fetcher — workspace link
dependencies:
  '@pnpm/fs.packlist':
    version: link:../../fs/packlist

Whichever importer is iterated last overwrites deps["@pnpm/fs.packlist"]. Then when the parser checks:

if v, ok := deps[name]; ok && p.trimPeerDeps(v, lockVer) == ver {
    dev = false
}

If deps ends up as "2.0.0" → matches @pnpm/fs.packlist@2.0.0 → dev = false ✓
If deps ends up as "link:../../fs/packlist" → no match → dev stays true ✗

This is a Trivy upstream bug, not introduced by this PR. Both the fanal path (master) and direct parser call (this PR) use the same pnpm.NewParser(), but compare-lockfile runs two separate processes (one per git worktree), so each gets different map iteration order — producing the bidirectional diffs you observed. Running compare-lockfile multiple times would likely produce varying results.

This only affects monorepo-style lockfiles where the same package has both workspace links and registry versions across different importers.

scanner/analyze_golden_test.go

scanner/base.go

scanner/dispatch.go

scripts/compare-lockfile.go

Copilot

Pull request overview

Copilot reviewed 56 out of 80 changed files in this pull request and generated 1 comment.

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scripts/README.md

- Rename golden files: .golden.json → .json (redundant under testdata/golden/) - Use cmp.Or for sort comparators in normalizeResult - Switch on langType in parseBinary to isolate sentinel errors per language - Wrap parseExecutableBinary errors with language name, symmetrize structure - Simplify dispatch.go: inline filepath.Base in switch, use slices.Contains - Extract base-runner.go from compare-lockfile.go via //go:embed Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

shino

🏋️

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kotakanbe mentioned this pull request Mar 18, 2026

test: add golden tests for AnalyzeLibrary #2475

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kotakanbe requested a review from shino March 23, 2026 21:14

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Merge branch 'master' into diet-trivy-dispatch

ce2bcdf