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Finding fixed Git object ID assumptions before SHA-256 exposes them

This story is from 2026-10-03. It is preserved in the archive; the latest stories are on the live feed.

I built git-sha-ready after noticing that a Git integration can appear healthy while it assumes every object ID is 40 characters long. That assumption works for a SHA-1 repository. A SHA-256 repository uses 64 hexadecimal characters, so a validator can reject a real commit and a fixed slice can dis…

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  1. 2026-10-03 11:07 · DEV Community — AI
    Finding fixed Git object ID assumptions before SHA-256 exposes them

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