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Copilot CLI's Checkpoint Restore Ran git clean -fd and Deleted 1GB of Data the Agent Never Touched

This story is from 2026-09-20. It is preserved in the archive; the latest stories are on the live feed.

A checkpoint/undo feature is supposed to be the safe button. In this case, hitting it wiped out a gigabyte of data the agent had nothing to do with. What the source says GitHub issue #1675 , filed against github/copilot-cli : a user pressed Escape mid-run and chose to restore to an earlier checkpoi…

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  1. 2026-09-20 09:18 · DEV Community — AI
    Copilot CLI's Checkpoint Restore Ran git clean -fd and Deleted 1GB of Data the Agent Never Touched

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