Method handleAddFile

src/core/tools/ApplyPatchTool.ts:141–231

(
		change: ApplyPatchFileChange,
		absolutePath: string,
		relPath: string,
		task: Task,
		callbacks: ToolCallbacks,
		isWriteProtected: boolean,
	)

	}

	private async handleAddFile(
		change: ApplyPatchFileChange,
		absolutePath: string,
		relPath: string,
		task: Task,
		callbacks: ToolCallbacks,
		isWriteProtected: boolean,
	): Promise<void> {
		const { askApproval, pushToolResult } = callbacks

		// Check if file already exists
		const fileExists = await fileExistsAtPath(absolutePath)
		if (fileExists) {
			task.consecutiveMistakeCount++
			task.recordToolError("apply_patch")
			const errorMessage = `File already exists: ${relPath}. Use Update File instead.`
			await task.say("error", errorMessage)
			pushToolResult(formatResponse.toolError(errorMessage))
			return
		}

		const newContent = change.newContent || ""
		const isOutsideWorkspace = isPathOutsideWorkspace(absolutePath)

		// Initialize diff view for new file
		task.diffViewProvider.editType = "create"
		task.diffViewProvider.originalContent = undefined

		const diff = formatResponse.createPrettyPatch(relPath, "", newContent)

		// Check experiment settings
		const provider = task.providerRef.deref()
		const state = await provider?.getState()
		const diagnosticsEnabled = state?.diagnosticsEnabled ?? true
		const writeDelayMs = state?.writeDelayMs ?? DEFAULT_WRITE_DELAY_MS
		const isPreventFocusDisruptionEnabled = experiments.isEnabled(
			state?.experiments ?? {},
			EXPERIMENT_IDS.PREVENT_FOCUS_DISRUPTION,
		)

		const sanitizedDiff = sanitizeUnifiedDiff(diff || "")
		const diffStats = computeDiffStats(sanitizedDiff) || undefined

		const sharedMessageProps: ClineSayTool = {
			tool: "appliedDiff",
			path: getReadablePath(task.cwd, relPath),
			diff: sanitizedDiff,
			isOutsideWorkspace,
		}

		const completeMessage = JSON.stringify({
			...sharedMessageProps,
			content: sanitizedDiff,
			isProtected: isWriteProtected,
			diffStats,
		} satisfies ClineSayTool)

		// Show diff view if focus disruption prevention is disabled