From 2e517eecdabd52360d0e49cbcd293902bff1ca26 Mon Sep 17 00:00:00 2001
From: axb <qindi@staff.weibo.com>
Date: Tue, 4 Mar 2025 22:22:33 +0800
Subject: [PATCH] only keep latest read_file result for each file

---
 src/core/Cline.ts | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/src/core/Cline.ts b/src/core/Cline.ts
index b9b243dbc1..df3ff0e283 100644
--- a/src/core/Cline.ts
+++ b/src/core/Cline.ts
@@ -980,6 +980,8 @@ export class Cline {
 			const previousRequest = this.clineMessages[previousApiReqIndex]?.text
 			if (!previousRequest) return
 
+			this.deduplicateReadFileHistory()
+
 			const {
 				tokensIn = 0,
 				tokensOut = 0,
@@ -1091,7 +1093,40 @@ export class Cline {
 		// this delegates to another generator or iterable object. In this case, it's saying "yield all remaining values from this iterator". This effectively passes along all subsequent chunks from the original stream.
 		yield* iterator
 	}
+	deduplicateReadFileHistory() {
+		for (let i = this.apiConversationHistory.length - 1; i >= 0; i--) {
+			const conversation = this.apiConversationHistory[i]
 
+			if (conversation.role !== "user") continue
+
+			const content = conversation.content
+			if (typeof content === "string") continue
+
+			const firstItem = content[0]
+			if (typeof firstItem === "string" || !("type" in firstItem) || firstItem.type !== "text") continue
+
+			const toolUseText = firstItem.text
+			if (!toolUseText || !toolUseText.startsWith("[read_file for ")) continue
+
+			for (let j = i - 1; j >= 0; j--) {
+				const prevConversation = this.apiConversationHistory[j]
+
+				if (prevConversation.role === "assistant") continue
+
+				const prevContent = prevConversation.content
+				if (typeof prevContent === "string") continue
+
+				const prevFirstItem = prevContent[0]
+				if (typeof prevFirstItem === "string" || !("type" in prevFirstItem) || prevFirstItem.type !== "text")
+					continue
+
+				if (prevFirstItem.text === toolUseText && prevContent.length === 3) {
+					prevContent.splice(1, 1)
+					break
+				}
+			}
+		}
+	}
 	async presentAssistantMessage() {
 		if (this.abort) {
 			throw new Error("Roo Code instance aborted")