From e072ffc91f92926691762accc25bbbcae3124d92 Mon Sep 17 00:00:00 2001
From: Hannes Rudolph <hrudolph@gmail.com>
Date: Sun, 21 Dec 2025 19:22:57 -0700
Subject: [PATCH] fix(read_file): empty files should not report hasMoreBefore:
 true in indentation mode

When totalLinesInFile is 0, there are no lines before the anchor point,
so hasMoreBefore must be false regardless of the offset/anchorLine value.
---
 .../misc/__tests__/read-file-content.spec.ts  | 27 ++++++++++++++++++-
 src/integrations/misc/read-file-content.ts    |  2 +-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/src/integrations/misc/__tests__/read-file-content.spec.ts b/src/integrations/misc/__tests__/read-file-content.spec.ts
index 2526908ff6..74b4256be7 100644
--- a/src/integrations/misc/__tests__/read-file-content.spec.ts
+++ b/src/integrations/misc/__tests__/read-file-content.spec.ts
@@ -214,7 +214,7 @@ describe("read-file-content", () => {
 			const codeWithComment = `# This is a comment header
 # describing the function
 def my_function():
-    return 42`
+		  return 42`
 			await withTempFile("indent-header-test.py", codeWithComment, async (filepath) => {
 				const result = await readIndentationBlock(filepath, 3, 100, {
 					anchorLine: 3,
@@ -224,6 +224,31 @@ def my_function():
 				expect(result.content).toContain("# This is a comment header")
 			})
 		})
+
+		it("should report hasMoreBefore as false for empty files", async () => {
+			await withTempFile("indent-empty-test.txt", "", async (filepath) => {
+				const result = await readIndentationBlock(filepath, 1, 100)
+				expect(result.content).toBe("")
+				expect(result.lineCount).toBe(0)
+				expect(result.totalLines).toBe(0)
+				expect(result.metadata.totalLinesInFile).toBe(0)
+				expect(result.metadata.hasMoreBefore).toBe(false)
+				expect(result.metadata.hasMoreAfter).toBe(false)
+			})
+		})
+
+		it("should report hasMoreBefore as false for empty files even with offset > 1", async () => {
+			await withTempFile("indent-empty-offset-test.txt", "", async (filepath) => {
+				const result = await readIndentationBlock(filepath, 5, 100)
+				expect(result.content).toBe("")
+				expect(result.lineCount).toBe(0)
+				expect(result.totalLines).toBe(0)
+				expect(result.metadata.totalLinesInFile).toBe(0)
+				// Even though offset > 1, there are no lines in an empty file
+				expect(result.metadata.hasMoreBefore).toBe(false)
+				expect(result.metadata.hasMoreAfter).toBe(false)
+			})
+		})
 	})
 
 	describe("readFileContent", () => {
diff --git a/src/integrations/misc/read-file-content.ts b/src/integrations/misc/read-file-content.ts
index 38301a83b5..91fc8e22b4 100644
--- a/src/integrations/misc/read-file-content.ts
+++ b/src/integrations/misc/read-file-content.ts
@@ -382,7 +382,7 @@ export async function readIndentationBlock(
 				linesReturned: 0,
 				startLine: anchorLine,
 				endLine: anchorLine,
-				hasMoreBefore: anchorLine > 1,
+				hasMoreBefore: false, // Empty file has no lines before
 				hasMoreAfter: false,
 				linesBeforeStart: 0,
 				linesAfterEnd: 0,