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Differential govulncheck analysis that scans the current branch and compares against the base branch, failing only on newly introduced vulnerabilities. Pre-existing vulns are reported but don't block. - Auto-detects base SHA on pull_request and merge_group events - Installs govulncheck once, scans both branches, diffs the results - Writes a GitHub job summary with markdown tables linking to pkg.go.dev - Exposes new-count and has-new-vulns outputs for downstream steps - Best-effort base scan with EXIT trap to guarantee HEAD restoration Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
jackdawm
approved these changes
Apr 22, 2026
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This PR introduces a differential
govulncheckanalysis that scans the current branch and compares against the base branch, failing only on newly introduced vulnerabilities. Pre-existing vulns are reported, but don't block.pull_requestandmerge_groupevents.govulncheckonce, scans both branches, diffs the results.pkg.go.dev.new-countandhas-new-vulnsoutputs for downstream steps.EXITtrapto guaranteeHEADrestoration.