Detect new addition of npm or bun dependency#20
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Triggers only if `npm` or `bun` dependency is newly added, but not on existing dependencies. This has been the attack vector for 2026 June AUR malware attacks. The list of the packages may be expanded, to include other such unmoderated installation channels to camouflage code execution such as `pip`.
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This check flags the introduction of package-manager dependencies associated with external language ecosystems (currently
npm/bun). Such additions may warrant additional review because they can enable the retrieval of code outside the sources explicitly declared in the PKGBUILD.This provides a general mechanism for detecting one class of changes involved in the June 2026 malware campaign.
We can likely extend this to cover other newly introduced build dependencies, such as
yarn,cargo,python-pip, andruby. I can add support for those in a follow-up PR if this approach is approved.