From 5e87c798d2398ce033e43c7e616001612f025824 Mon Sep 17 00:00:00 2001
From: Vinicius <vtmsugimoto@gmail.com>
Date: Sun, 25 Jul 2021 02:14:37 -0300
Subject: [PATCH] TextDocument: Fix indentation duplicating spaces

Auto indentation will consider only leading spaces before the cursor.
Fixes #8973.
---
 Userland/Libraries/LibGUI/TextDocument.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Userland/Libraries/LibGUI/TextDocument.cpp b/Userland/Libraries/LibGUI/TextDocument.cpp
index 9d7b6a0bdb..5c7a1d92ac 100644
--- a/Userland/Libraries/LibGUI/TextDocument.cpp
+++ b/Userland/Libraries/LibGUI/TextDocument.cpp
@@ -786,6 +786,10 @@ void InsertTextCommand::perform_formatting(const TextDocument::Client& client)
 
     for (auto input_char : m_text) {
         if (input_char == '\n') {
+            size_t spaces_at_end = 0;
+            if (column < line_indentation)
+                spaces_at_end = line_indentation - column;
+            line_indentation -= spaces_at_end;
             builder.append('\n');
             column = 0;
             if (should_auto_indent) {