Function editLineCount

tools/builtin.go:1486–1495

(content string)

func matchFailureSnippet(fileContent, oldString string) string {
	oldFirst := strings.TrimSpace(strings.Split(oldString, "\n")[0])
	if oldFirst == "" {
		return ""
	}
	lines := strings.Split(fileContent, "\n")
	bestIdx, bestScore := -1, 0.0
	for i, line := range lines {
		score := lineSimilarity(oldFirst, strings.TrimSpace(line))
		if score > bestScore {
			bestScore = score
			bestIdx = i
		}
	}