From c10b93cd5f04e1ae2fa34dd1bc3dc9e4de37a115 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 4 Feb 2026 08:10:42 +0900
Subject: tool: Support `$NO_COLOR` in `ifchange`

---
 tool/ifchange | 1 +
 1 file changed, 1 insertion(+)

(limited to 'tool')

diff --git a/tool/ifchange b/tool/ifchange
index 9e4a89533c..b20ae4461a 100755
--- a/tool/ifchange
+++ b/tool/ifchange
@@ -20,6 +20,7 @@ timestamp=
 keepsuffix=
 srcavail=f
 color=auto
+[ "x${NO_COLOR-}" = x ] || color=never
 until [ $# -eq 0 ]; do
     case "$1" in
 	--)
-- 
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