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feat: add efficiency warning for single SEARCH/REPLACE blocks in apply_diff #6055

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9 changes: 8 additions & 1 deletion src/core/tools/applyDiffTool.ts
Original file line number Diff line number Diff line change
Expand Up @@ -188,10 +188,17 @@ export async function applyDiffToolLegacy(
// Get the formatted response message
const message = await cline.diffViewProvider.pushToolWriteResult(cline, cline.cwd, !fileExists)

// Check for single SEARCH/REPLACE block warning
const searchBlocks = (diffContent.match(/<<<<<<< SEARCH/g) || []).length
const singleBlockWarning =
searchBlocks === 1
? "Making multiple related changes in a single apply_diff is more efficient for the LLM. If other changes are needed in this file, please include them as additional SEARCH/REPLACE blocks.\n\n"
: ""

if (partFailHint) {
pushToolResult(partFailHint + message)
} else {
pushToolResult(message)
pushToolResult(singleBlockWarning + message)
}

await cline.diffViewProvider.reset()
Expand Down