Add NuGet Package Updater For plain PackageReference Fixes - #874
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Supports single-project .csproj fixes for plain PackageReference (Include or Update attribute, version as attribute or child element), with optional packages.lock.json regeneration via 'dotnet restore --force-evaluate --no-dependencies' when a lock file is present and tracked in git. Central Package Management (Directory.Packages.props) and packages.config are explicitly out of scope for now - a CPM-governed reference is detected and reported distinctly via CentralPackageManagementFixNotSupported rather than silently failing or being misdiagnosed as "not found".
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📝 WalkthroughWalkthroughNuGet remediation is now supported. The updater changes inline versions in ChangesNuGet remediation
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant NugetPackageUpdater
participant MSBuildProject
participant DotnetRestore
participant PackagesLockFile
NugetPackageUpdater->>MSBuildProject: update PackageReference version
NugetPackageUpdater->>DotnetRestore: run restore with --force-evaluate and --no-dependencies
DotnetRestore->>PackagesLockFile: regenerate tracked packages.lock.json
NugetPackageUpdater->>MSBuildProject: keep changes or roll back on failure
Merge Risk: 🟡 Moderate · up to Some multi-condition NuGet projects can be reported as remediated while a vulnerable reference remains unchanged. This should be corrected before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 4.17% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 24 functions across 6 files. (11 skipped: 11 unsupported.) ✨ Finishing Touches 💡 1⚔️ Resolve merge conflicts 💡
🧪 Generate unit tests (beta)
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The write-path #nosec suppressions only listed G306 (file permissions), missing G703 (path traversal via taint analysis) - the rule actually firing for os.WriteFile calls whose path parameter flows directly from descriptor discovery, without any indirection breaking the taint chain. Matches the existing #nosec G703 G306 convention already used for the same pattern in mavenpackageupdater.go and commonpackageupdater.go.
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High: dotnet restore no longer dirties the tree beyond the descriptor and lock file. Snapshots whether obj/ existed before restore and removes it afterward only if this fix created it; a 15-minute timeout (same budget as npm/yarn) now bounds the restore call via context.WithTimeout. Medium: a PackageReference with no inline version is no longer reported as specifically "Central Package Management" - it could just as well be sourced from Directory.Build.props, a VersionOverride, or be an SDK-implicit reference. Renamed to NoInlineVersionFixNotSupported with a message that doesn't overclaim which one applies. Medium: UpdateDependency no longer surfaces an error when at least one descriptor was actually fixed - a caller treating any non-nil error as "nothing happened" would otherwise discard an already-applied, successful sibling fix. Failures are still logged. Medium: project file matching is now case-insensitive and covers .fsproj/ .vbproj in addition to .csproj (also added to techutils' Nuget descriptor list, since evidence for those suffixes wouldn't reach this code otherwise). Lock-file regeneration/rollback tests now run on Windows too (previously skipped) via a portable fake dotnet script that also captures invoked args - added a test asserting --force-evaluate/--no-dependencies are always passed, doubling as a marker for the known limitation that --no-dependencies can leave a stale lock file in a referenced project. Low: documented (not changed) that a property-valued Version="$(X)" gets rewritten to a literal pin, unlike Maven's property-definition-aware handling - a deliberate simplification, not an oversight.
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Confirms the existing evidence loop already fixes the same vulnerable package correctly across several unrelated .csproj files - each patched from its own original content and starting version, with no interaction between them - without needing any production code changes.
Every prior lock-file test used exactly one project with one lock file, so nothing exercised the combination step 3 is actually about: multiple independent projects each regenerating their own lock file, and - more importantly - restore failing for one project while succeeding for another in the same call. Confirms there's no shared state leaking across loop iterations: a failing sibling rolls back on its own, and does not affect an already-applied, successful fix elsewhere.
A project with a vulnerable PackageReference alongside a ProjectReference to a sibling requires no new fix logic - evidence stays scoped to the declaring project, matching real scanner behavior already verified this session. Proves the fix stays that way in practice: the ProjectReference element itself is left untouched, and the referenced project's own descriptor and lock file are byte-identical afterward - the fix never reaches into it at either level.
Feature/nuget multi project support
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Inline comments:
In `@remediation/sca/packageupdaters/nugetpackageupdater.go`:
- Around line 253-254: Update updatePackageReferenceVersion so it checks
foundWithoutVersion before returning on fixedAny, rejecting mixed matching
PackageReference entries with and without inline versions. Preserve the
successful return only when all matching references are supported inline
references, and keep the caller’s unsupported-result handling intact.
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📒 Files selected for processing (17)
remediation/sca/packageupdaters/commonpackageupdater.goremediation/sca/packageupdaters/commonpackageupdater_test.goremediation/sca/packageupdaters/nugetpackageupdater.goremediation/sca/packageupdaters/nugetpackageupdater_test.goremediation/sca/packageupdaters/types.gotests/testdata/projects/package-managers/nuget/remediation-packageupdaters/CpmSibling/CpmSibling.csprojtests/testdata/projects/package-managers/nuget/remediation-packageupdaters/FailProjectLockFile/FailProjectLockFile.csprojtests/testdata/projects/package-managers/nuget/remediation-packageupdaters/FailProjectLockFile/packages.lock.jsontests/testdata/projects/package-managers/nuget/remediation-packageupdaters/IndependentSibling/IndependentSibling.csprojtests/testdata/projects/package-managers/nuget/remediation-packageupdaters/Project.csprojtests/testdata/projects/package-managers/nuget/remediation-packageupdaters/ReferencedProject/ReferencedProject.csprojtests/testdata/projects/package-managers/nuget/remediation-packageupdaters/ReferencedProject/packages.lock.jsontests/testdata/projects/package-managers/nuget/remediation-packageupdaters/WithLockFile/WithLockFile.csprojtests/testdata/projects/package-managers/nuget/remediation-packageupdaters/WithLockFile/packages.lock.jsontests/testdata/projects/package-managers/nuget/remediation-packageupdaters/WithProjectReference/WithProjectReference.csprojtests/testdata/projects/package-managers/nuget/remediation-packageupdaters/WithProjectReference/packages.lock.jsonutils/techutils/techutils.go
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Nice Job, check out my comments
…updater # Conflicts: # remediation/sca/packageupdaters/commonpackageupdater.go # remediation/sca/packageupdaters/commonpackageupdater_test.go # remediation/sca/packageupdaters/types.go
…ck, case-insensitive element match - Align partial-descriptor-failure handling with Maven/npm: always return the joined error instead of swallowing it to nil when at least one sibling succeeded. - Resolve the lock file path to an absolute path before the git-tracked check, fixing a filepath.Rel fail-open for relative evidence paths; add a real-git test that verifies restore is skipped for a genuinely untracked lock file. - Match <PackageReference> case-insensitively, since MSBuild element names are not case-sensitive. - Add a real 'dotnet restore' integration test case (--test.remediation) to confirm --force-evaluate --no-dependencies against an actual CLI, and generalize a Python-only lowercase-name assertion in the shared test helper. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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devbranch.go vet ./....go fmt ./....Adds a NugetPackageUpdater (remediation/sca/packageupdaters/nugetpackageupdater.go) implementing the PackageUpdater interface for NuGet/.NET fix PRs.
Covers two use cases:
--no-dependencies flag keeps a fix scoped to the touched project's own lock file rather than also restoring (and diffing) every project it references via ProjectReference.
A. Deliberately out of scope:
B. Detection-side blind spots (not fixable by the updater alone):
C. Syntax the regex-based approach can't resolve:
Summary by CodeRabbit
New Features
Bug Fixes