From 2a700cf8e551ac44aebe938640b673f99af1cf9f Mon Sep 17 00:00:00 2001
From: Hugo van Kemenade <hugovk@users.noreply.github.com>
Date: Sat, 12 Mar 2022 14:30:35 +0200
Subject: [PATCH] Enable FORCE_COLOR and NO_COLOR for terminal colouring

---
 sphinx/util/console.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sphinx/util/console.py b/sphinx/util/console.py
index 48b566283..f851ea9bb 100644
--- a/sphinx/util/console.py
+++ b/sphinx/util/console.py
@@ -57,9 +57,13 @@ def term_width_line(text: str) -> str:
 
 
 def color_terminal() -> bool:
+    if 'NO_COLOR' in os.environ:
+        return False
     if sys.platform == 'win32' and colorama is not None:
         colorama.init()
         return True
+    if 'FORCE_COLOR' in os.environ:
+        return True
     if not hasattr(sys.stdout, 'isatty'):
         return False
     if not sys.stdout.isatty():