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fix: resolve NoChangeError tool name interpolation and typo - #309709
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Matt Bierner (mjbvz) merged 1 commit intoMay 1, 2026
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Hi RoomWithOutRoof (@Jah-yee), sorry I missed this when it first came in. Can you please update this to resolve the conflicts. Thanks |
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- Use backticks instead of single quotes for the error message string
- Replace literal ${ToolName.ReadFile} with read_file (the actual tool name)
- Fix duplicate 'and' typo: 'and and determine' → 'and determine'
Fixes microsoft#309709
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Pull request overview
This PR updates the recovery instruction text in NoChangeError emitted by the edit/replace-string tooling in the Copilot extension, so the model receives a correct tool name and a typo-free instruction.
Changes:
- Fixes a broken tool-name interpolation in the
NoChangeErrormessage. - Fixes a duplicated “and” typo in the same message.
Use backticks for proper template literal interpolation of ${ToolName.ReadFile}.
Fix duplicate 'and and' → 'and'.
Import ToolName from registry so message stays in sync if tool name changes.
Addresses Copilot AI review feedback: keeps tool name in sync with registry.
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Matt Bierner (mjbvz)
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Matt Bierner (mjbvz)
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Raymond Zhao (rzhao271)
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Good day,
Thank you for your work on this project. I hope this small fix is helpful. Please let me know if there's anything to adjust.
Summary
Fixes two issues in the NoChangeError message:
Broken template interpolation: The original code uses single quotes for a string containing
${ToolName.ReadFile}, but JavaScript template literals require backticks for interpolation. The model literally receives the text${ToolName.ReadFile}instead ofread_file.Typo: Fixed duplicate "and" in "re-read the file and and determine" → "re-read the file and determine".
Changes
Changed:
Use the ${ToolName.ReadFile} tool to re-read the file and and determineTo:
Use the read_file tool to re-read the file and determineThis error message is shown when the replace_string_in_file tool produces no actual change. The garbled tool name prevented the model from following the recovery instruction to re-read the file.
Warmly, RoomWithOutRoof