How Git's --author Flag Was Used to Block AI Bot Spam on a GitHub Repository

·2026.05.19 09:50

Key point

This covers how the Git --author flag can be used to block spam comments and PRs from AI bots on a GitHub repository.

Details

The Archestra repository has been struggling with a surge in AI-driven contributions, as meaningless comments and PRs pile up, burying real discussions among developers and increasing the maintenance burden.

In particular, on a $900 bounty issue, comments generated by AI bots ballooned to 253, polluting the discussion space, and the situation grew serious enough that some bots even showed aggressive behavior.

To address this AI bot spam problem, this piece presents a technical solution using Git's --author flag to identify and block the spam.

open-source github git developer-workflow ai-spam

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