From d4e1f9e1b8621ef92caa5061dbc11e1860fa5eed Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 21 Nov 2025 13:18:54 +0900
Subject: [PATCH] Win: quote equal sign in command line

`cmd.exe` splits the command line also by equal signs, not only by
space characters.
---
 common.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common.mk b/common.mk
index 648dd00b02..70d61231f2 100644
--- a/common.mk
+++ b/common.mk
@@ -46,7 +46,7 @@ RUN_OPTS      = --disable-gems
 
 GIT_IN_SRC    = $(GIT) -C $(srcdir)
 GIT_LOG       = $(GIT_IN_SRC) log --no-show-signature
-GIT_LOG_FORMAT = $(GIT_LOG) --pretty=format:
+GIT_LOG_FORMAT = $(GIT_LOG) "--pretty=format:"
 
 # GITPULLOPTIONS = --no-tags