Dev Tools · 14h ago
Fixing Unbounded Shell Output in Gemini CLI: A Lesson in Unicode Truncation
A developer fixed issue #28090 in Google's open-source Gemini CLI, which forwarded entire shell command output to the model without a cap. The naive truncation using JavaScript's .slice() could corrupt multi-byte Unicode characters like emoji. The final fix uses a Unicode-aware truncation method to avoid splitting surrogate pairs.
Meridian48 take
This bug report is a sharp reminder that seemingly simple string operations can break in multilingual, real-world environments, and that AI-assisted code still needs careful edge-case testing.
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I Fixed Unbounded Shell Output in an Open Source Agent. My First Draft Would Have Corrupted Text. →
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